㻌 ኱㜰኱Ꮫ᥋ྜ⛉Ꮫ◊✲ᡤ䛿䚸䠎䠌䠌䠕ᖺᗘ䛻ᩥ㒊⛉Ꮫ┬䛛䜙䛂᥋ྜ⛉Ꮫඹྠ฼⏝䞉ඹྠ◊✲ᣐ
Ⅼ䛃䛸䛧䛶ㄆᐃ䛥䜜䚸⁐᥋ᕤᏛ䞉᥋ྜ⛉Ꮫ䛻㛵䛩䜛ᡃ䛜ᅜ䛷၏୍䛾⥲ྜ◊✲ᡤ䛸䛧䛶䚸ᅜෆእ䛛䜙ᗈ䛟ඹྠ◊✲ဨ䜢ཷ䛡ධ䜜䛶䛔䜛䚹㻌 ᮏ◊✲ᡤ䛾ඹྠ◊✲ဨ䛻ಀ䜛බເㄢ㢟䛻䛿䚸䛂୍⯡බເ◊✲ㄢ㢟䛃䛸䛂ඛᑟⓗ㔜Ⅼㄢ㢟䛃䛾䠎✀㢮䛾༊ศ䜢タ䛡䛶䛔䜛䚹୍⯡බເ◊✲ㄢ㢟䛿䚸ᚑ๓䜎䛷䛾ྛ◊✲ศ㔝༢఩䛷䛾ඹྠ◊✲ㄢ㢟䛻㛵䛩䜛䜒䛾䛷䛒䜚䚸䠎䠌䠍䠌ᖺᗘ䜘䜚㛤ጞ䛧䛯ඛᑟⓗ㔜Ⅼㄢ㢟䛷䛿䚸ᙜ◊✲ᡤ䛸䛧䛶㔜Ⅼⓗ䛻ྲྀ䜚⤌䜐䜉䛝◊✲ㄢ㢟䜢㑅ᐃ䛧䚸」ᩘ䛾ඹྠ◊✲ဨ䛸◊✲ᡤᩍဨ䛜䝏䞊䝮䛸䛧䛶ཧຍ䛧䛶ᙜヱㄢ㢟䛻ྲྀ䜚⤌䜐䜒䛾䛷䛒䜛䚹㻌 ≉䛻䚸ᚋ⪅䛾ඛᑟⓗ㔜Ⅼㄢ㢟䛻䛚䛔䛶䛿䚸ᅜෆእ䛷䛾ከᵝ䛺Ꮫ⾡㡿ᇦ䛸䛾㐃ᦠ◊✲䜢㏻䛨䛶䚸᥋ྜ⛉Ꮫඹྠ฼⏝䞉ඹྠ◊✲ᣐⅬ䛾Ⓨᒎ䛻㈨䛩䜛䛣䛸䜢┠ⓗ䛸䛩䜛䚹䛥䜙䛻䚸䠎䠌䠍䠑ᖺᗘ䜘䜚ᅜ㝿ඹྠ◊✲ဨไᗘ䜢᪂䛯䛻タ䛡䚸⁐᥋䞉᥋ྜศ㔝䛾ୡ⏺ᣐⅬ䛸䛧䛶㈉⊩䛩䜛䛣䛸䜢┠ᣦ䛧䛶䛔䜛䚹㻌 䠎䠌䠍䠔ᖺᗘ䛻䛚䛔䛶䛿䚸௨ୗ䛻♧䛩ඛᑟⓗ㔜Ⅼㄢ㢟䜢㑅ᐃ䛧䚸㐙⾜䛧䛶䛝䛯䚹䞉㠀㔠ᒓ␗ᮦ᥋ྜ䛻ྥ䛡䛯ඛ㐍ᮦᩱ䝥䝻䝉䝇䛾㛤Ⓨ䠄⥅⥆䠋ᙺ๭ศᢸᆺ䠅㻌 㻌 䠄௦⾲⏦ㄳ⪅䠖ෆ⏣ ൤୍㑻 ෸ᩍᤵ䠅

䞉⁐⼥ຍᕤ䝥䝻䝉䝇䛷䛾ᴗᚋ๭䜜Ⓨ⏕⌧㇟䛾ゎ᫂䛸䛭䛾㜵Ṇᢏ⾡䛾ᵓ⠏䠄᪂つ䠋䠢䠯ᆺ䠅㻌 㻌 䠄௦⾲⏦ㄳ⪅䠖㛛஭ ᾈኴ ෸ᩍᤵ䠅䠎䠌䠍䠔ᖺᗘᐇ᪋䛾୍⯡බເ◊✲ㄢ㢟䛸ඛᑟⓗ㔜Ⅼㄢ㢟䜈䛾ཧຍேᩘ䛿ୗ⾲䛾㏻䜚䛷䛒䜛䚹୍⯡බເ◊✲ㄢ㢟ඛᑟⓗ㔜Ⅼㄢ㢟ᅜෆඹྠ◊✲ဨᅜ㝿ඹྠ◊✲ဨᅜෆඹྠ◊✲ဨᅜ㝿ඹྠ◊✲ဨ

䠎䠏䠕ே

䠍䠒ே

䠒ே*

䠌ே

㻌 㻌 㻌 㻌 㻌 㻌 㻌 㻌 㻌 㻌 㻌 㻌 㻌 㻌 㻌 㻌 㻌 㻌 㻌 㻌 㻌 㻌 㻌 㻌 㻌 *୍⯡බເ◊✲ㄢ㢟䛸䛾㔜」⏦ㄳㄢ㢟䜢ྵ䜐䚹㻌 䛺䛚䚸䠎䠌䠍䠕ᖺᗘ䛻ᐇ᪋䛩䜛ඛᑟⓗ㔜Ⅼㄢ㢟䛸䛧䛶䚸ḟ䛾䠏䝔䞊䝬䜢㑅ᐃ䛧䛶䛔䜛䚹䞉㠀㔠ᒓ␗ᮦ᥋ྜ䛻ྥ䛡䛯ඛ㐍ᮦᩱ䝥䝻䝉䝇䛾㛤Ⓨ䠄⥅⥆䠋ᙺ๭ศᢸᆺ䠅㻌 㻌 䠄௦⾲⏦ㄳ⪅䠖⠇ཎ ⿱୍ ᩍᤵ䠅䞉⁐⼥ຍᕤ䝥䝻䝉䝇䛷䛾จᅛ๭䜜Ⓨ⏕⌧㇟䛾ゎ᫂䛸䛭䛾㜵Ṇᢏ⾡䛾ᵓ⠏䠄⥅⥆䠋ᙺ๭ศᢸᆺ䠅㻌 㻌䠄௦⾲⏦ㄳ⪅䠖㛛஭㻌 ᾈኴ ෸ᩍᤵ䠅䞉⁐᥋䞉᥋ྜᢏ⾡䛻䛚䛡䜛䝕䝆䝍䝹䝒䜲䞁䛻㛵䛩䜛◊✲䠄᪂つ䠋䠢䠯ᆺ䠅㻌 㻌 䠄௦⾲⏦ㄳ⪅䠖㯞 ᑀ⥴ ᩍᤵ䠅ඹྠ◊✲ 㢟┠୍ぴ䠆䠆䠆䠆䠆䠆䠆䠆䠆䠆ඛᑟⓗ㔜Ⅼ ㄢ㢟䠆䠆䠆䠆䠆䠆䠆䠆䠆䠆㠀㔠ᒓ␗ᮦ᥋ྜ䛻ྥ䛡䛯ඛ㐍ᮦᩱ䝥䝻䝉䝇䛾㛤Ⓨ㻝䠊 ⢊య䝍䞊䝀䝑䝖䜢⏝䛔䛯䝇䝟䝑䝍ἲ䛻䜘䜛ከඖ⣲ⷧ⭷స〇బୡಖᕤᴗ㧗➼ᑓ ᩍᤵ
㛛Ꮫᰯ
෸ᩍᤵ

ᕝᓮ䚷ோᬕ
ᰗ⏕䚷⩏ே

䞉䞉䞉 㻝

⁐⼥ຍᕤ䝥䝻䝉䝇䛷䛾จᅛ๭䜜Ⓨ⏕⌧㇟䛾ゎ᫂䛸䛭䛾㜵Ṇᢏ⾡䛾ᵓ⠏㻝䠊 ⁐⼥ຍᕤ䝥䝻䝉䝇䛷䛾จᅛ๭䜜Ⓨ⏕⌧㇟䛾ゎ᫂䛸䛭䛾㜵Ṇᢏ⾡䛾ᵓ⠏ᮾி㒔❧⏘ᴗᢏ⾡ ◊✲ဨ◊✲䝉䞁䝍䞊

−i−

༓ⴥ䚷ᾈ⾜

䞉䞉䞉 㻟

䠆䠆䠆䠆䠆䠆䠆䠆䠆䠆୍⯡බເ◊✲ㄢ㢟䠆䠆䠆䠆䠆䠆䠆䠆䠆䠆䠆䛻䛴䛔䛶䛿䚸ඛᑟⓗ㔜Ⅼㄢ㢟䛻ᥖ㍕

᥋ྜ䝥䝻䝉䝇◊✲㒊㛛䛆䜶䝛䝹䜼䞊ไᚚᏛศ㔝䛇㻝䠊 䜰䞊䜽ὶᾮ┦๓㥑య⁐ᑕ䛻䜘䜛㓟໬≀༙ᑟయ⓶⭷䛾㧗㏿ᙧᡂ

㊊฼኱Ꮫ

ᩍᤵ

Ᏻ⸨䚷ᗣ㧗

䞉䞉䞉 㻣

㻞䠊 ධ⇕ᨵၿ䛻ྥ䛡䛯ᶓ☢⏺༳ຍ㼀㻵㻳⁐᥋䛾䠏ḟඖ㟁☢⇕ὶయ䝅䝭䝳䝺䞊䝅䝵䞁䛾㛤Ⓨᮾி㒔ᕷ኱Ꮫ

ᩍᤵ

ᒾᑿ䚷ᚭ

䞉䞉䞉 㻥

㻟䠊 ኱つᶍ䛺」㞧ὶື䛸ᵓ㐀య䛾㛫䛻⏕ 䛚Ⲕ䛾ỈዪᏊ኱Ꮫ ᩍᤵ኱Ꮫ㝔⏕䛨䜛┦஫స⏝ຊ䜢ィ⟬䛩䜛䛯䜑䛾ᡭ
኱Ꮫ㝔⏕
ἲ䛾㛤Ⓨ

䞉䞉䞉 㻝㻝
Ἑᮧ䚷ဴஓ㨣ᒾ䚷䛒䛛䜚
ᑎ⏫䚷ᖾᕼᏊ

㻠䠊 」㞧ᙧ≧䜢᭷䛩䜛ᵓ㐀≀䛻ാ䛟ὶయຊ䜢ồ䜑䜛䛯䜑䛾ᩘ್䝅䝭䝳䝺䞊䝅䝵䞁ᡭἲ䛾㛤Ⓨ䛚Ⲕ䛾ỈዪᏊ኱Ꮫ ᩍᤵ
኱Ꮫ㝔⏕
኱Ꮫ㝔⏕

䞉䞉䞉 㻝㻟
Ἑᮧ䚷ဴஓὠஂ஭䚷ᙬ⤮
ᖹ㈡䚷㑳Ꮚ㻡䠊 䝺䞊䝄䜰䝅䝇䝖㻭㼞㻙㻹㻵㻳㻌⁐᥋䛻䛚䛡䜛䝡䞊䝗ᙧ≧䛸䝺䞊䝄↷ᑕ᮲௳䛾㛵ಀ䛾᫂☜໬≀㉁䞉ᮦᩱ◊✲ᶵ
ᵓ

◊✲ဨ

໭㔝䚷ⴌ୍

㻢䠊 ⁐᥋䜰䞊䜽⌧㇟䠈⁐⼥ụ⌧㇟䛚䜘䜃⁐᥋㍺㏦⌧㇟ゎᯒ䜰䞊䜽⁐᥋䛻䛚䛡䜛⥅ᡭᙧᡂ⌧㇟䛾
ゎ᫂➼

ᐑᓮ኱Ꮫ

෸ᩍᤵ

ᮌஅୗ䚷ᗈᖾ 䞉䞉䞉 㻝㻣㻣䠊 䠏ḟඖ㟁☢⇕ὶయ䝅䝭䝳䝺䞊䝅䝵䞁䜢⏝䛔䛯஺ὶ☢⏺䛜ཬ䜌䛩ධ⇕㔞䛾ゎᯒᮾி㒔ᕷ኱Ꮫ

኱Ꮫ㝔⏕ᑠஂಖ䚷⩧ኴ 䞉䞉䞉 㻝㻥㻤䠊 䠏ḟඖ㟁☢⇕ὶయ䝅䝭䝳䝺䞊䝅䝵䞁䜢⏝䛔䛯䜰䞊䜽⁐᥋䛻䛚䛡䜛㔠ᒓ⵨Ẽ⃰ᗘศᕸ䛾ゎ᫂ᮾி㒔ᕷ኱Ꮫ

኱Ꮫ㝔⏕

㥖஭䚷ඃ἞

䞉䞉䞉 㻞㻝㻥䠊 䜰䞊䜽䝥䝷䝈䝬䛾Ⓨ⏕䛸ไᚚ䛚䜘䜃ᮦ Ἀ⦖┴ᕤᴗᢏ⾡䝉 ୺௵◊✲䞁䝍䞊ဨᩱ䝥䝻䝉䝇䜈䛾ᛂ⏝㕲➽ᅽ᥋䜈䛾⁐⼥ụ☢Ẽไᚚ䜰䞊䜽⁐᥋ἲ䛾㐺⏝䛻㛵䛩䜛◊✲Ჴཎ䚷㟹䞉䞉䞉 㻞㻟㻝㻜䠊 ᴟⷧᯈ䛾❧ྥୖ㐍⁐᥋䛻㛵䛩䜛
◊✲

⇃ᮏ኱Ꮫ

ᩍᤵ

ᑎᓮ䚷⚽⣖

䞉䞉䞉 㻞㻡㻝㻝䠊 㼀㻵㻳㻌䜰䞊䜽⁐᥋䛻䛚䛡䜛ᅇ㌿ᶓ☢⏺
༳ຍ䜢ᶍᨃ䛧䛯䠏ḟඖ㟁☢⇕ὶయ䝅䝭䝳䝺䞊䝅䝵䞁䛾㛤Ⓨᮾி㒔ᕷ኱Ꮫ

኱Ꮫ㝔⏕

す⃝䚷⩧ஓ

䞉䞉䞉 㻞㻣㻝㻞䠊 ⇕ⓗ㠀ᖹ⾮䜢⪃៖䛧䛯䝟䝹䝇㼀㻵㻳⁐᥋䛾ᩘ್ゎᯒ

ᮾி㒔ᕷ኱Ꮫ

኱Ꮫ㝔⏕

᰿ᮏ䚷㞝௓

䞉䞉䞉 㻞㻥

− ii −

䞉䞉䞉 㻝㻡

㻝㻟䠊 ⇕䝥䝷䝈䝬ὶ䛻䜘䜛䝘䝜ᮦᩱྜᡂ཯
ᛂ䛾᥈⣴䛸㍺㏦⌧㇟䛾ゎ᫂⏘ᴗᢏ⾡⥲ྜ◊✲ ◊✲ဨ
ᡤ

ᖹᒣ䚷ᝆ௓

䞉䞉䞉 㻟㻝㻝㻠䠊 ⁐᥋䜰䞊䜽⌧㇟䠈⁐⼥ụ⌧㇟䛚䜘䜃⁐᥋㍺㏦⌧㇟ゎᯒ⁐᥋䜰䞊䜽䛾䝅䞊䝹䝗䜺䝇⤌ᡂ䛸㝜ᴟⅬᣲື䛾ゎ᫂ཬ䜃ᣲືไᚚ䛾䛯䜑䛾ᇶ♏ⓗ◊✲

బୡಖᕤᴗ㧗➼ᑓ ᩍᤵ
㛛Ꮫᰯ

ᡣ㔝䚷ಇኵ

䞉䞉䞉 㻟㻟㻝㻡䠊 㼀㻵㻳⁐᥋䛻䛚䛡䜛ᶓ㢼྿䛝௜䛡᫬䛾
⁐⼥ụ㏆ഐ䛾❅⣲⃰ᗘศᕸ䛾ゎ᫂ᮾி㒔ᕷ኱Ꮫ

኱Ꮫ㝔⏕┿ᰤ⏣䚷⩏ྐ 䞉䞉䞉 㻟㻡㻝㻢䠊 ⁐᥋䜰䞊䜽⌧㇟䠈⁐⼥ụ⌧㇟䛚䜘䜃 ⌰⌫኱Ꮫ⁐᥋㍺㏦⌧㇟ゎᯒ⁐⼥ụ☢Ẽไᚚ⁐᥋ἲ䛻䜘䜛⁐䛡㎸䜏ไᚚ䛾◊✲෸ᩍᤵᯇ⏣䚷୍᪼㻝㻣䠊 ⁐᥋䜰䞊䜽⌧㇟䠈⁐⼥ụ⌧㇟䛚䜘䜃⁐᥋㍺㏦⌧㇟ゎᯒᢏ⾡ᑓ㛛⫋ဨᏳ஭䚷㈼ኴ㑻 䞉䞉䞉 㻟㻥෸ᩍᤵ‫‮‬ᆅ䚷ᩄྐ䞉䞉䞉 㻠㻝ຓᩍ஭ᡭ䚷ၨ௓䞉䞉䞉 㻠㻟

ᐑᓮ኱Ꮫ㻝㻤䠊 䝝䜲䝤䝸䝑䝗⁐᥋䛻䛚䛡䜛㉸ྜ㔠⁐᥋ ᐑᓮ኱Ꮫᢏ⾡䛾☜❧䞉䞉䞉 㻟㻣

䛆䜶䝛䝹䜼䞊ኚ᥮ᶵᵓᏛศ㔝䛇㻝䠊 䜰䝰䝹䝣䜯䝇㻵㼚㻙㻳㼍㻙㼆㼚㻙㻻䛾Ḟ㝗㉳※ ᮾிᕤᴗ኱Ꮫ
ゎ᫂䛸ప 䝥䝻䝉䝇䛾☜❧㻞䠊 䝥䝷䝈䝬䇷ᮦᩱ┦஫స⏝䛾ゎ᫂䛸ඛ㐍ⓗ䛺⾲⏺㠃ไᚚ䝥䝻䝉䝇䛾◊✲䇾ṍ䜏䇿䜢ᣢ䛴ᮦᩱ⾲㠃䛻䛚䛡䜛䝥䝷䝈䝬↷ᑕ᫬䛾཯ᛂᶵᵓ᳨ウ

ᮾ໭኱Ꮫ

ຓᩍ

ᒸ⏣䚷೺

䞉䞉䞉 㻠㻡㻟䠊 䝥䝷䝈䝬䝆䜵䝑䝖↷ᑕ䛜ㄏ㉳䛩䜛ᾮయὶ䛻㞺ᅖẼ䜺䝇䛜୚䛘䜛ᙳ㡪す᪥ᮏᕤᴗ኱Ꮫᩍᤵᕝᓮ䚷ᩄஅ䞉䞉䞉 㻠㻣㻠䠊 ⢊య䝍䞊䝀䝑䝖䜢⏝䛔䛯㻼㻸㻰䛻䜘䜛㻞ḟඖᶵ⬟ᛶⷧ⭷స〇బୡಖᕤᴗ㧗➼ᑓ ᩍᤵ
㛛Ꮫᰯ
෸ᩍᤵ

ᕝᓮ䚷ோᬕ
ᰗ⏕䚷⩏ே

䞉䞉䞉 㻠㻥㻡䠊 ኱Ẽᅽ䝥䝷䝈䝬ᨭ᥼ᆺ䝭䝇䝖㻯㼂㻰ᢏ⾡䛾㛤Ⓨ኱㜰ᕷ❧኱Ꮫ෸ᩍᤵ࿋䚷‽ᖍ䞉䞉䞉 㻡㻝ୖ⣭◊✲ဨ㰻⸨䚷⨾⣖Ꮚ 䞉䞉䞉 㻡㻟

෸ᩍᤵ

Ᏹ㔝䚷࿴⾜

䛆ຍᕤ䝥䝻䝉䝇Ꮫศ㔝䛇㻝䠊 㟁ᯒἲ䛸㑅ᢥ⁐ゎ᭸䛻䜘䜛䝘䝜䝫䞊䝷 ᪩✄⏣኱Ꮫ䝇ᵓ㐀ᙧᡂ䛸䛭䛾䝯䜹䝙䝈䝮ゎ᫂䛆䝺䞊䝄䝥䝻䝉䝇Ꮫศ㔝䛇㻝䠊 ㍈᪉ྥᨺ㟁ບ㉳㻯㻻㻞䝺䞊䝄䞊䛻䜘䜛䝫䝸䝬䞊ᶞ⬡䛾ษ๐≉ᛶᒣ᲍኱Ꮫ

− iii −

䞉䞉䞉 㻡㻡㻞䠊 䝺㻌䞊䝄ຍᕤ䛻䛚䛡䜛䝡䞊䝮䛸ᮦᩱ䛾┦஫స⏝䛺䜙䜃䛻䝺䞊䝄ຍᕤ⌧㇟䛾ゎ᫂ᮾிᕤᴗ኱Ꮫ

ㅮᖌ኱ஂಖ䚷཭㞞 䞉䞉䞉 㻡㻣㻟䠊 䜶䝛䝹䜼䞊䝡䞊䝮䛸≀㉁䛸䛾┦஫స⏝⌧㇟䛾ゎ᫂
㉸▷䝟䝹䝇䝺䞊䝄䞊䛻䜘䜛ຍᕤ䝥䝻䝉䝇䛻㛵䛩䜛◊✲

ᐑᓮ኱Ꮫ

෸ᩍᤵ

⏥⸨䚷ṇே

䞉䞉䞉 㻡㻥㻠䠊 ▷䝟䝹䝇䝺䞊䝄䞊䛻䜘䜛Ⰽ୰ᚰ⏕ᡂ䛻㛵䛩䜛䝰䝕䝹ᵓ⠏⏘ᴗᢏ⾡⥲ྜ◊✲ ୺௵◊✲
ᡤ
ဨ

ຍ⸨䚷㐍

䞉䞉䞉 㻢㻝㻡䠊 䝺䞊䝄ຍᕤ䛻䛚䛡䜛䝡䞊䝮䛸ᮦᩱ䛾┦஫స⏝䛺䜙䜃䛻䝺䞊䝄ຍᕤ⌧㇟䛾ゎ᫂䝺䞊䝄䞊䝥䝷䝈䝬ไᚚ䛻䜘䜛༙ᑟయ䛾ᚤ⣽ຍᕤ䛻㛵䛩䜛ᇶ♏◊✲኱㜰⏘ᴗ኱Ꮫ

ᩍᤵ
኱Ꮫ㝔⏕

ⲡሙ䚷ග༤
ඣᏊ䚷ྐᓫ

䞉䞉䞉 㻢㻞㻢䠊 䜶䝛䝹䜼䞊䝡䞊䝮䛻䜘䜛᪂⾲㠃ᨵ㉁ᶵ⬟䛾๰〇䝣䜵䝮䝖⛊䝺䞊䝄䞊↷ᑕ䛻䜘䜛㔠ᒓ䞉䝫䝸䝬䞊䛾⾲㠃ᨵ㉁䛸⏕య㐺ྜᛶ

ྡྂᒇ኱Ꮫ

෸ᩍᤵ

㯮⏣䚷೺௓

䞉䞉䞉 㻢㻠㻣䠊 䝅䞁䜾䝹䝅䝵䝑䝖䝣䜵䝮䝖⛊䝺䞊䝄䞊䜰 ⛅⏣኱Ꮫ䝤䝺䞊䝅䝵䞁䛻䜘䜚䜰䝹䝭䞁㓟䜿䜲㓟ሷ⤖ᬗ⾲㠃䛻ᙧᡂ䛥䜜䜛䝘䝜䝩䞊䝹䛾
ᙧែ

ᩍᤵ
኱Ꮫ㝔⏕

ᑠ⋢䚷ᒎᏹ
஭ୖ䚷ᣅဢ

䞉䞉䞉 㻢㻢㻤䠊 ㉸▷䝟䝹䝇䝺䞊䝄ㄏ㉳䝘䝜࿘ᮇᵓ㐀 ᒸᒣ኱Ꮫᙧᡂ䛻䜘䜛㧗ᗘ⏕యᮦᩱ๰ᡂ䛻㛵䛩
䜛◊✲

ຓᩍ

⠛Ọ䚷ᮾ࿃

䞉䞉䞉 㻢㻤℩▱䚷ၨஂ䞉䞉䞉 㻣㻜

㝞䚷㭉䞉䞉䞉 㻣㻞୰㔝䚷ேᚿす䚷㈗ဢ

䞉䞉䞉 㻣㻠㻥䠊 䝺䞊䝄䝤䝺䞊䝆䞁䜾䛻䜘䜛␗✀ᮦᩱ᥋ྜ䛻㛵䛩䜛◊✲㮵ඣᓥ┴ᕤᴗᢏ⾡ ◊✲ᑓ㛛䝉䞁䝍䞊ဨ㻝㻜䠊 䝣䜵䝮䝖⛊䝺䞊䝄䞊䜢⏝䛔䛶᪂⏕㦵䛾 ᮾி་⛉ṑ⛉኱Ꮫ ≉௵ຓᩍ෌⏕䜢ಁ㐍䛩䜛ᚤ⣽࿘ᮇᵓ㐀໬䝏䝍䞁㔠ᒓ⾲㠃䛾㛤Ⓨ㻝㻝䠊 䝣䜯䜲䝞䞊䝺䞊䝄䞊䜢⏝䛔䛯⢊ᮎ⁐⼥䛻䜘䜛⣧䝏䝍䞁䛾✚ᒙ㐀ᙧ䛻㛵䛩
䜛◊✲

㏆␥኱Ꮫ

㻝㻞䠊 ㉸▷䝟䝹䝇䝺䞊䝄䞊ຍᕤ䛻䛚䛡䜛⇕ᙳ㡪ホ౯⏘ᴗᢏ⾡⥲ྜ◊✲ ୺௵◊✲ᡤဨዉⰋᓮ䚷ឡᏊ 䞉䞉䞉 㻣㻡㻝㻟䠊 䜶䝛䝹䜼䞊䝡䞊䝮䛻䜘䜛᪂⾲㠃ᨵ㉁ᶵ⬟䛾๰〇㠀⇕䝺䞊䝄䞊ຍᕤ䛻䜘䜛㔠ᒓ⾲㠃䜈䛾᪂ᶵ⬟௜୚

ி㒔኱Ꮫ

෸ᩍᤵ
኱Ꮫ㝔⏕
኱Ꮫ㝔⏕

ᶫ⏣䚷ᫀᶞ
ྂᕝ䚷㞝つ
す㔝䚷ᑗః

䞉䞉䞉 㻣㻣㻝㻠䠊 䝺䞊䝄⢊య⫗┒ἲ䛻䜘䜛㖡ᇶᮦୖ䜈䛾㕲ᇶᮦᩱ䛾⓶⭷ᙧᡂ▼ᕝ┴ᕤᴗヨ㦂ሙ ୺௵◊✲
ဨ
ᑓ㛛◊✲
ဨ

⯚⏣䚷⩏๎
ᒣୗ䚷㡰ᗈ

䞉䞉䞉 㻣㻥

− iv −

ᩍᤵ኱Ꮫ㝔⏕㻝㻡䠊 ᅛయ䜲䜸䞁஺᥮ἲ䜢⏝䛔䛯䜺䝷䝇ෆ㒊䜈䛾㖡㓄⥺䛾ᙧᡂ

༓ⴥ኱Ꮫ

෸ᩍᤵ

ᯇᆏ䚷ኊኴ

䞉䞉䞉 㻤㻝㻝㻢䠊 䝣䜵䝮䝖⛊䝺䞊䝄䛷䝅䝸䝁䞁䛻ບ㉳䛧䛯⾲㠃䝥䝷䝈䝰䞁䛾ῶ⾶≉ᛶᮾி㎰ᕤ኱Ꮫ෸ᩍᤵᐑᆅ䚷ᝅ௦䞉䞉䞉 㻤㻟㻝㻣䠊 ᾮ୰䝟䝹䝇䝺䞊䝄䞊䜰䝤䝺䞊䝅䝵䞁⌧ ⚟ᒸᕤᴗ኱Ꮫ
㇟䛾ྍど໬

෸ᩍᤵ

ᒣᓊ䚷㔛ᯞ

䞉䞉䞉 㻤㻡ᩍᤵྜྷ⏣䚷ᐇ䞉䞉䞉 㻤㻣㻝㻤䠊 䝬䝹䝏䝺䞊䝄䞊䝁䞊䝔䜱䞁䜾ἲ䛻䜘䜛㔠ᒓᇶᯈୖ䜈䛾ᶵ⬟ᛶ௜୚䛻㛵䛩䜛ᇶ♏ⓗ◊✲㏆␥኱Ꮫ−v−᥋ྜᶵᵓ◊✲㒊㛛䛆⁐᥋ᶵᵓᏛศ㔝䛇㻝䠊 ␗ᮦ⏺㠃䛾ᚤ⣽ᵓ㐀䛾ほᐹ䚸ホ౯ཬ Ⱚᾆᕤᴗ኱Ꮫ
≀㉁䞉ᮦᩱ◊✲ᶵ䜃ไᚚᵓ㔠ᒓ㻛䝘䝜㓟໬⭷㻛༙ᑟయ䛾᥋ྜ⏺
㠃䛻䛚䛡䜛ᣑᩓ䚸཯ᛂཬ䜃ᵓ㐀ゎᯒ

ᩍᤵ
䜾䝹䞊䝥
䝸䞊䝎䞊
୺௵䜶䞁
䝆䝙䜰

䞉䞉䞉 㻤㻥኱▼䚷▱ྖ⏕⏣┠䚷ಇ⚽㻞䠊 ᶵᲔᏛ⩦䜢⏝䛔䛯⁐᥋⇕※ᙧ≧Ỵᐃ䝅䝇䝔䝮䛾ᵓ⠏

◊✲ဨ

໭㔝䚷ⴌ୍

䞉䞉䞉 㻥㻝ᩍᤵ㧗ᶫ䚷㞞ኈ䞉䞉䞉 㻥㻟

ᒾᡭ኱Ꮫ

෸ᩍᤵ
኱Ꮫ㝔⏕

すᕝ䚷⪽
἟಴䚷⍆㡢

䞉䞉䞉 㻥㻡㻝䠊 ᦶ᧿ᨩᢾ䝥䝻䝉䝇䛻䜘䜚ฎ⌮䛧䛯䜰䝹 㱟㇂኱Ꮫ䝭䝙䜴䝮ྜ㔠෇ᰕ䛾ᚤ⣽⤌⧊䛸ᶵᲔ
ⓗ≉ᛶ

኱Ꮫ㝔⏕

ῦ஭䚷཭ஓ

䞉䞉䞉 㻥㻣㻞䠊 㕲㗰ᮦᩱ⏝᥋ྜ䝒䞊䝹ᙧ≧䛾ྛ✀䝒䞊䝹ᮦᩱ䛻ᑐ䛩䜛㐺⏝ᛶ䛾᳨ウ

㏆␥኱Ꮫ

ᩍᤵ

⏕⏣䚷᫂ᙪ

䞉䞉䞉 㻥㻥㻟䠊 ኱Ⲵ㔜ᦶ᧿ᨩᢾ䝥䝻䝉䝇䛻䜘䜛䝬䜾䝛䝅䜴䝮ྜ㔠䛾⤖ᬗ⢏ᚤ⣽໬኱㜰⏘ᴗᢏ⾡◊✲ ◊✲ဨ
ᡤ

ᮌඖ䚷៞ஂ

䞉䞉䞉 㻝㻜㻝㻠䠊 㕲㗰ᮦᩱ䛾ᦶ᧿ᨩᢾ᥋ྜ㻔㻲㻿㼃㻕䛸⥅ᡭ䛾ᶵ⬟ホ౯
㻲㻿㼃㻌⥅ᡭ䛾⑂ປᙉᗘホ౯䛻ྥ䛡䛯
ᇶ♏ⓗ᳨ウ

㱟㇂኱Ꮫ

㄃⏣䚷Ⓩ

䞉䞉䞉 㻝㻜㻟㻡䠊 㕲㗰ᮦᩱ䛾ᦶ᧿ᨩᢾ᥋ྜ䠄㻲㻿㼃䠅䛸⥅ ᗈᓥ┴❧⥲ྜᢏ⾡ ๪㒊㛗୺௵◊✲ᡭ䛾ᶵ⬟ホ౯䠄⌫㠃䝒䞊䝹䜢⏝䛔䛯 ◊✲ᡤဨⅬ᥋ྜᢏ⾡䛾㛤Ⓨ䠅
୺௵◊✲
ဨ
◊✲ဨ

ᆏᮧ䚷຾
ᯇⴥ䚷ᮁ

䞉䞉䞉 㻝㻜㻡㻢䠊 㕲㗰ᮦᩱ䛾ᦶ᧿ᨩᢾ᥋ྜ䠄㻲㻿㼃䠅䛸⥅ ⚄ዉᕝ┴❧⏘ᴗᢏ ⥲ᣓ䜾⾡⥲ྜ◊✲ᡤ䝹䞊䝥ᡭ䛾ᶵ⬟ホ౯
䝸䞊䝎䞊ᦶ᧿ᨩᢾ䝥䝻䝉䝇䛻䜘䜛໬ྜ≀䛜ศᩓ䛧䛯䝺䞊䝄⫗┒ᒙ䛾≉ᛶྥୖ⸃⏣䚷ᑑ㝯䞉䞉䞉 㻝㻜㻣⠛⏣䚷㇏䞉䞉䞉 㻝㻜㻥

≀㉁䞉ᮦᩱ◊✲ᶵᵓ㻟䠊 㻵㼚㻣㻝㻤୕ḟඖ✚ᒙ㐀ᙧᮦ䛾ᚤどⓗ䛺 す᪥ᮏᕤᴗ኱Ꮫ
⤌⧊䛾≉ᚩ䛸ᙉᗘ≉ᛶ䠄➨䠎ሗ䠅䠉ᚤどⓗ䛺⤌⧊ホ౯䛛䜙⇕ฎ⌮ຠᯝ䛾᫂☜໬䠉㻠䠊 ᨵⰋ㻥㻯㼞㻙㻝㻹㼛㗰㻌⁐᥋㔠ᒓ䛾ᚤ⣽⤌
⧊ほᐹ

ụ⏣䚷┤ᶞ

䛆᥋ྜ⏺㠃ᶵᵓᏛศ㔝䛇㻣䠊 Ⅳ⣲㗰䚸䝇䝔䞁䝺䝇ཬ䜃㧗❅⣲㗰䛾ᦶ᧿ᨩᢾ᥋ྜ⏝䛾㧗⪏ஂᛶᕤල䛾㛤ⓎᩍᤵᏱ㒊ᕤᴗ㧗➼ᑓ㛛 ෸ᩍᤵᏛᰯ− vi −

ᒣᮏ䚷೺
኱⏣䚷⪔ᖹ

Ⳣ⏣䚷ᩔ

䞉䞉䞉 㻝㻝㻝

㔞Ꮚ⛉Ꮫᢏ⾡◊✲ 䜾䝹䞊䝥
㛤Ⓨᶵᵓ
䝸䞊䝎䞊

㇂ᕝ䚷༤ᗣ

䞉䞉䞉 㻝㻝㻟㻝㻜㻚 䜽䝻䝮䝆䝹䝁䝙䜴䝮㖡ྜ㔠䛾ᦶ᧿᧠ᢾ 㔞Ꮚ⛉Ꮫᢏ⾡◊✲ 䜾䝹䞊䝥ฎ⌮䛻䜘䜛ᨵ㉁
㛤Ⓨᶵᵓ
䝸䞊䝎䞊
୺ᖿ◊✲
ဨ

㇂ᕝ䚷༤ᗣ

䞉䞉䞉 㻝㻝㻡㻤㻚 ෭㛫ᅽᘏ㗰ᯈ㻿㻼㻯㻯㻌䜢ẕᮦ䛸䛩䜛ᦶ
᧿᧠ᢾⅬ᥋ྜ⥅ᡭ䛾⑂ປ≉ᛶ䛻ᑐ䛩䜛㈇Ⲵᙧᘧ䛾ᙳ㡪ᗈᓥ኱Ꮫ㻥㻚 䝍䞁䜾䝇䝔䞁⓶⭷䛾ᦶ᧿ᨩᢾฎ⌮䛻
䜘䜛ᙉ໬

ᩍᤵ

℈ཱྀ䚷኱
௰஭䚷ṇ᫛

䞉䞉䞉 㻝㻝㻣㻝㻞㻚 ᦶ᧿ᨩᢾస⏝䜢฼⏝䛧䛯䜰䝹䝭䝙䜴䝮 ኱㜰⏘ᴗᢏ⾡◊✲ ◊✲୺௵䛸㖡䛾✺ྜ䛫᥋ྜᡤ㛗ᒸ䚷஽䞉䞉䞉 㻝㻝㻥㻝㻟㻚 㻭㻞㻜㻞㻠㻙㻭㻡㻜㻡㻞ᦶ᧿䛛䛟䛿䜣᥋ྜᮦ䛾ᶵᲔⓗᙉᗘ≉ᛶホ౯㜿༡ᕤᴗ㧗➼ᑓ㛛 ᩍᤵ
Ꮫᰯ
෸ᩍᤵ

す㔝䚷⢭୍
すᮏ䚷ᾈྖ

䞉䞉䞉 㻝㻞㻝

㻝㻠㻚 ⓎἻ䜰䝹䝭䝙䜴䝮䛸㔠ᒓᖹᯈ䝃䞁䝗䜲䝑䝏ᵓ㐀య䛾ᙧ≧௜୚

⩌㤿኱Ꮫ

෸ᩍᤵ
኱Ꮫ㝔⏕

༙㇂䚷⚞ᙪ
኱ᵳ䚷᫭ᖹ

䞉䞉䞉 㻝㻞㻟㻝㻡㻚 ᦶ᧿ᅽ᥋䛻䜘䜛䜸䞊䝹ᗫᮦ䝫䞊䝷䝇㻭㼘㻛㻭㼘䝟䜲䝥」ྜ㒊ᮦ䛾స〇䛚䜘䜃ᅽ⦰≉ᛶホ౯

⩌㤿኱Ꮫ

෸ᩍᤵ
኱Ꮫ㝔⏕

༙㇂䚷⚞ᙪ
ᑠᯘ䚷㱟⪷

䞉䞉䞉 㻝㻞㻡㻝㻢㻚 䝎䜲䜹䝇䝖ᮦෆ㒊䛾䜺䝇䛾䜏䛷ⓎἻ䛥䛫䛯䝫䞊䝷䝇䜰䝹䝭䝙䜴䝮

⩌㤿኱Ꮫ

෸ᩍᤵ
኱Ꮫ㝔⏕

༙㇂䚷⚞ᙪ
㧘⏣䚷᱇భ

䞉䞉䞉 㻝㻞㻣㻝㻣㻚 㞴⇞ᛶ䝬䜾䝛䝅䜴䝮ྜ㔠㻲㻿㼃᥋ྜᮦ䛾ᙉᗘಙ㢗ᛶホ౯䛸ᙉᗘᨵၿἈ⦖ᕤᴗ㧗➼ᑓ㛛 ෸ᩍᤵ
Ꮫᰯ

ᨻᮌ䚷ΎᏕ

䞉䞉䞉 㻝㻞㻥㻝㻤㻚 㻺㼕㻙㻯㗰䛾ᦶ᧿ᨩᢾ᥋ྜ㒊ṧ␃䜸䞊䝇䝔䝘䜲䝖䛾ᘬᙇኚᙧᣲື䛻୚䛘䜛䝒䞊䝹ᅇ㌿㏿ᗘ䛾ᙳ㡪

⚟஭኱Ꮫ

ຓᩍ

୕ᾆ䚷ᣅஓ

䞉䞉䞉 㻝㻟㻝㻝㻥㻚 ᦶ᧿ᨩᢾ䝥䝻䝉䝇㻌㻔㻲㻿㻼㻕㻌䜢฼⏝䛧䛯ள㖄㟁ゎ〇㘐⏝䜰䝜䞊䝗䛾㛤Ⓨ

⛅⏣኱Ꮫ

෸ᩍᤵ
኱Ꮫ㝔⏕
኱Ꮫ㝔⏕

ᐑ㔝䚷Ὀᚁ
㠭Ꮚ䚷ౡ
㮖㇂䚷ὒᕼ

䞉䞉䞉 㻝㻟㻟㻞㻜㻚 ᑠᚄ䝒䞊䝹䛻䜘䜛ᦶ᧿ᨩᢾ䝥䝻䝉䝇
䛾ᇶ♏᳨ウ

㱟㇂኱Ꮫ

ㅮᖌ

᳃䚷ṇ࿴

䞉䞉䞉 㻝㻟㻡㻞㻝㻚 㧗㍤ᗘ㼄⥺䜢฼⏝䛧䛯䛭䛾ሙほᐹ䛻䜘䜛㧗 ๭䜜䛾ᙧᡂᶵᵓ䛾ゎ᫂

ி㒔኱Ꮫ

ᩍᤵ

Ᏻ⏣䚷⚽ᖾ

䞉䞉䞉 㻝㻟㻣㻝㻝㻚 㼀㼕㻙㻢㻭㼘㻙㻠㼂ྜ㔠䛾⥺ᙧᦶ᧿᥋ྜ䛻䛚䛡䜛༳ຍᅽຊ䛸᥋ྜ㒊䛾⤌⧊䛚䜘䜃
◳䛥

㏆␥኱Ꮫ

− vii −

෸ᩍᤵ䛆」ྜ໬ᶵᵓᏛศ㔝䛇䞉䞉䞉 㻝㻟㻥

኱Ꮫ㝔⏕

ᕝᓮ䚷ு
⳥ụ䚷ᆂᏊ
㻲㼍㼖㼍㼞㼕㼚
㻾㼕㼚㼐㼍㼚㼓ᓟᓊ䚷๛ኴ㻞䠊 㼀㼕㻙㼀㼕㻮」ྜᮦᩱ䛾స〇䛸ᘬᙇ◚ቯᣲ ᮾ໭኱Ꮫື䛾䛭䛾ሙほᐹຓᩍᰩ⏣䚷኱ᶞ䞉䞉䞉 㻝㻠㻜

ᐩᒣ኱Ꮫ

ᩍᤵ

◁⏣䚷⪽

䞉䞉䞉 㻝㻠㻞㻠䠊 ⢄Ẇ⏤᮶䝞䜲䜸䝅䝸䜹䛾⇞↝䛻䜘䜛㧗 ி㒔኱Ꮫ
⣧ᗘ໬

෸ᩍᤵ

ᯘ䚷₶

䞉䞉䞉 㻝㻠㻠㻡䠊 ከᒙ㻯㻺㼀䛾ᆒ୍ศᩓ䜢฼⏝䛧䛯㔠ᒓ ໭ᾏ㐨኱Ꮫᇶ」ྜᮦᩱ䛾స〇䛸ᦶ᧿ᦾືᛶ䛾ྥ
ୖ

≉௵ᩍᤵ

ྂ᭶䚷ᩥᚿ

䞉䞉䞉 㻝㻠㻢Ỉෆ䚷₩䞉䞉䞉 㻝㻠㻤㻝䠊 㻳㼞㼍㼜㼔㼑㼚㼑㻛㼀㼕㻻㻞⣔䝘䝜」ྜᮦᩱ䛾స〇䛸⇕㟁≉ᛶኚ᥮ホ౯㻟䠊 㻲㼑ྵ᭷㔞䛾␗䛺䜛⁐〇䝏䝍䞁ᮦ䜢ᇶ‽䛻䛧䛯䝦䝔䝻⤌⧊䛻㉳ᅉ䛩䜛ᚤ㔞㻲㼑⃰໬䝏䝍䞁↝⤖ᮦ䛾⭉㣗≉ᛶ

ᮾ໭኱Ꮫ

ᩍᤵ
ຓᩍ
኱Ꮫ㝔⏕

㻢䠊 㻿㻼㻿ᡂᙧ䛧䛯㖡㻛䝎䜲䝲䝰䞁䝗」ྜᮦ ኱㜰⏘ᴗᢏ⾡◊✲ ≀㉁䞉ᮦᩱ◊✲㒊ᩱ䛾⇕ఏᑟ⋡䛻ཬ䜌䛩䝪䝻䞁ῧຍ䛾 ᡤ㛗ᙳ㡪㻣䠊 䝞䜲䜸䝬䝔䝸䜰䝹䜢⏝䛔䛯⏕య⏺㠃䜈䛾䝘䝜䝇䜿䞊䝹ᨵ㉁䛸⏕≀Ꮫⓗ≉
ᛶホ౯

໭ᾏ㐨኱Ꮫ

− viii −

ㅮᖌ
་ဨ
኱Ꮫ㝔⏕

䞉䞉䞉 㻝㻡㻡ᐑ἞䚷⿱ྐす⏣䚷⤮฼㤶ⶔ䚷ెዉᏊ᥋ྜホ౯◊✲㒊㛛䛆᥋ྜᵓ㐀໬ゎᯒᏛศ㔝䛇኱㜰ᗓ❧኱Ꮫຓᩍ⏕ᓥ䚷୍ᶞ䞉䞉䞉 㻝㻡㻣㻞䠊 ᘓ㐀䛛䜙ရ㉁䞉Ᏻ඲ᛶ䞉ᑑ࿨䜎䛷ホ౯ ᮾி⌮⛉኱Ꮫྍ⬟䛺ᅄḟඖྍど໬㻯㻭㻱䝅䝇䝔䝮䛾
㛤Ⓨ

ᩍᤵ
ຓᩍ

ᒸ⏣䚷⿱
㐟బ䚷Ὀ⣖

䞉䞉䞉 㻝㻡㻥㻟䠊 䝺䞊䝄䞊⁐᥋䛻䜘䜛䝉䝷䝭䝑䜽䠉㔠ᒓᮦᩱ䛾᥋ྜ䛻㛵䛩䜛◊✲㛤Ⓨᐊ⹒ᕤᴗ኱Ꮫ

ᩍᤵ
෸ᩍᤵ
ຓᩍ

ᓊᮏ䚷ᘯ❧
ᮔ䚷ᓧ⚽
୰㔛䚷┤ྐ

䞉䞉䞉 㻝㻢㻞㻠䠊 䝺䞊䝄䞊ຍ⇕䜲䞁䝥䝸䞁䝖ຍᕤ䜢⏝䛔䛯㔠ᒓ䜺䝷䝇ᅇᢡ᱁Ꮚస〇䛻䛚䛡䜛䚸 ᗘศᕸ䛾䝅䝭䝳䝺䞊䝅䝵䞁ゎᯒ

ᮾ໭኱Ꮫ

኱Ꮫ㝔⏕

㐩ஂ䚷ᑗᡂ

䞉䞉䞉 㻝㻢㻠㻡䠊 㔠ᒓᮦᩱ䛻䛚䛡䜛䛝⿣Ⓨ⏕䛾ᩘ⌮䝰
䝕䝹

ᮾ໭኱Ꮫ

෸ᩍᤵ
኱Ꮫ㝔⏕

䞉䞉䞉 㻝㻢㻢㔝ୖ䚷ಟᖹΏ㑔䚷ᤩኴ㑻㻝䠊 ⁐᥋㧗 ๭䜜䛾ᩘ್ゎᯒ䛻㛵䛩䜛◊✲䛆᥋ྜᵓ㐀໬ホ౯Ꮫศ㔝䛇㻝䠊 䝣䜵䜲䝇䜺䞊䝗䞉䝬䜴䝇䜺䞊䝗⏝⇕ྍረᛶᶞ⬡䛾⾪ᧁᛂ⟅ホ౯ᮾி་⛉ṑ⛉኱Ꮫ ᩍᤵ
ຓᩍ

Ᏹᑿ䚷ᇶᘯ
࿴⏣䚷ᩗᗈ

䞉䞉䞉 㻝㻢㻤㻞䠊 ḟୡ௦㧗䜰䝺䝇䝖ᮦ㛤Ⓨ䛾䛯䜑䛾⬤ᛶட⿣ఏ᧛㝈⏺㏿ᗘ䛻ཬ䜌䛩ᮦᩱᅉᏊ䛾ᐃ㔞ⓗゎ᫂

ᮾி኱Ꮫ

෸ᩍᤵ

ᕝ⏿䚷཭ᘺ

䞉䞉䞉 㻝㻣㻜㻝䠊 㕲㗰ᮦᩱ䛾⤖ᬗෆ䜢ఏ᧛䛩䜛⑂ປட ឡ፾኱Ꮫ⿣䛾㻟ḟඖఏ᧛⤒㊰䛸ఏ᧛ᑑ࿨

෸ᩍᤵ

຾⏣䚷㡰୍

䞉䞉䞉 㻝㻣㻟䞉䞉䞉 㻝㻣㻣

䛆᥋ྜタィᏛศ㔝䛇㻞䠊 ␗᪉ᙎᛶయ୰䛾㻭㼘㻞㻻㻟䛚䜘䜃㻹㼚㻿⌫ᙧ௓ᅾ≀䛻䜘䜛ᛂຊ㞟୰䛸ᒁᡤ䛩䜉
䜚ಁ㐍ᣲື

❧࿨㤋኱Ꮫ

ୖᖍ◊✲
ဨ

㓇஭䚷㐩㞝

㻟䠊 ẕᮦᡴᧁ䝝䞁䝬䞊䝢䞊䝙䞁䜾䛾㧗ᙇຊ㗰䜈䛾㐺⏝㏆␥኱Ꮫ෸ᩍᤵᓮ㔝䚷Ⰻẚ࿅ 䞉䞉䞉 㻝㻣㻥

ຓᩍ
኱Ꮫ㝔⏕
኱Ꮫ㝔⏕
኱Ꮫ㝔⏕

᪂Ꮿ䚷ຬ୍
▼ᶫ䚷ዌ
㘽ᮧ䚷ᣅஓ
๪ᓥ䚷ඞဢ

㻠䠊 ⑂ປᦆയ䜢⪃៖䛧䛯⤖ྜຊ䝰䝕䝹䛻 ⟃Ἴ኱Ꮫᇶ䛵䛟㻌」ྜ◳໬ᙎረᛶᵓᡂ๎㻌䛻㛵䛩䜛◊✲− ix −

䞉䞉䞉 㻝㻤㻝㻡䠊 䝡䝹䝖㻴ᱱ䜢⏝䛔䛯⌧ሙ⁐᥋ᆺᰕᱱ⁐᥋᥋ྜ㒊䛾ኚᙧ⬟ຊ䛻㛵䛩䜛ᐇ
㦂ⓗ◊✲

ಙᕞ኱Ꮫ

ᩍᤵ
◊✲ဨ
኱Ꮫ㝔⏕
኱Ꮫ㝔⏕
኱Ꮫ㝔⏕
኱Ꮫ㝔⏕
኱Ꮫ㝔⏕

⏣Ᏺ䚷ఙ୍㑻 䞉䞉䞉 㻝㻤㻠
୰㎸䚷ᛅ⏨
᫓᪥䚷ᬛஓ
ᓊ䚷⪔ᕥ
⚟Ọ䚷‪኱
ᮧ⏣䚷ెඃ
‫⏣‮‬䚷ၨ௓㻢䠊 㧗ᙇຊ㗰ᯈ㔜䛽䛩䜏⫗⁐⥅ᡭ䛾⑂ປᙉᗘྥୖ䛻ᑐ䛩䜛䝩䝑䝖䝽䜲䝲䞉䝺䞊䝄⁐᥋᮲௳䛾ᙳ㡪

ᗈᓥ኱Ꮫ

෸ᩍᤵ
኱Ꮫ㝔⏕

ᒣᮏ䚷ඖ㐨
㮵䚷ᬛ㍤

䞉䞉䞉 㻝㻤㻢

ᗈᓥ኱Ꮫ

෸ᩍᤵ

᭖䚷⣫அ

䞉䞉䞉 㻝㻤㻤㻞䠊 㧗ᙇຊ㗰ᯈ䜢ẕᮦ䛸䛧䛯ᘬᙇ䛫䜣᩿ ᗈᓥ኱Ꮫᆺ䝺䞊䝄⁐᥋⥅ᡭ䛾㈇Ⲵᙧᘧ䛻䛚䛡䜛⑂ປ≉ᛶホ౯

኱Ꮫ㝔⏕

ᑠᕝ䚷⿱ᶞ

䞉䞉䞉 㻝㻥㻜㻟䠊 ⁐᥋᥋ྜ㒊䛾㔠ᒓ⤌⧊䛸ᚤ⏕≀⭉
㣗䛾㛵ಀ

෸ᩍᤵ

ᕝୖ䚷ὒྖ

䞉䞉䞉 㻝㻥㻞㻠䠊 ⢏⏺ᕤᏛ䜢⏝䛔䛯⁐᥋㒊⤌⧊ไᚚ䛸 ᮾ໭኱Ꮫ≉ᛶไᚚ䜸䞊䝇䝔䝘䜲䝖⣔䝇䝔䞁䝺䝇㗰䛾⾲㠃
⢏⏺ᕤᏛ

ᩍᤵ

బ⸨䚷⿱

䞉䞉䞉 㻝㻥㻠㻡䠊 ⁐᥋㧗 ๭䜜ឤཷᛶホ౯ἲ䛾㧗ᗘ໬䛸䛭䛾ᨭ㓄ᅉᏊ䛾ゎ᫂㧗ရ㉁⁐᥋㒊䜢ᐇ⌧䛩䜛⤌⧊ไᚚ
ᢏ⾡䛾㛤Ⓨ

⩌㤿኱Ꮫ

ຓᩍ

す⏣䚷㐍୍

䞉䞉䞉 㻝㻥㻢㻢䠊 㕲㗰ᮦᩱ⁐᥋㒊䛾⤌⧊ᙧᡂᶵᵓ䛸ᶵᲔⓗ≉ᛶ䛸䛾㛵ಀ䛾ゎ᫂

ᗈᓥ኱Ꮫ

ຓᩍ

℈ᓮ䚷ὒ

䞉䞉䞉 㻝㻥㻤

䛆ಙ㢗ᛶホ౯䞉ண䝅䝇䝔䝮Ꮫศ㔝䛇㻝䠊 㧗ᙇຊ㗰ᯈ䜢ẕᮦ䛸䛧䛯䝺䞊䝄⁐᥋⥅ᡭ䛾⑂ປᙉᗘホ౯኱㜰ᕷ❧኱Ꮫ

−x−䝇䝬䞊䝖䝥䝻䝉䝇◊✲䝉䞁䝍䞊䛆䝇䝬䞊䝖䝁䞊䝔䜱䞁䜾䝥䝻䝉䝇Ꮫศ㔝䛇㻝䠊 」ྜᮦᩱ䛾⇕≀ᛶホ౯⏘ᴗᢏ⾡⥲ྜ◊✲ ௻⏬୺ᖿᡤ㜿Ꮚᓥ䚷䜑䛠䜏䞉䞉䞉 㻞㻜㻜㻞䠊 ከᏍ㉁ᮦᩱ䛾⇕≀ᛶホ౯⏘ᴗᢏ⾡⥲ྜ◊✲ ୺௵◊✲
ᡤ
ဨ

㜿㒊䚷㝧㤶

䞉䞉䞉 㻞㻜㻞㻟䠊 ⺯ගయ⢏Ꮚ䛾ᚤ⣽ᵓ㐀Ᏻᐃ໬䛻㛵䛩䜛᳨ウᒣཱྀᮾி⌮⛉኱Ꮫ ᩍᤵ▼ᕝ䚷ᩄᘯ䞉䞉䞉 㻞㻜㻠㻠䠊 ㉸ప⇕ఏᑟᮦᩱ䛾⇕≀ᛶホ౯࿴ḷᒣᕤᴗ㧗➼ᑓ ෸ᩍᤵ㛛Ꮫᰯᘓᮦヨ㦂䝉䞁䝍䞊 ⥲ᣓ䝸䞊
䝎䞊௦⌮

኱ᮧ䚷㧗ᘯ

䞉䞉䞉 㻞㻜㻢⏣ᆏ䚷ኴ୍㻡䠊 ᾮ┦ྜᡂ䝏䝍䞁㓟䝸䝏䜴䝮⣔䝘䝜⢏Ꮚ ᮾ໭኱Ꮫ
䛾≉ᛶホ౯

෸ᩍᤵ

⽣Ụ䚷⃈ᚿ

䞉䞉䞉 㻞㻜㻤㻢䠊 ᾮ୰⢊○ᣲື䛾䝅䝭䝳䝺䞊䝅䝵䞁

ᮾ໭኱Ꮫ

ᩍᤵ
ຓᩍ
኱Ꮫ㝔⏕

ຍ⣡䚷⣧ஓ
▼ཎ䚷┿࿃
ஂᚿᮏ䚷⠏

䞉䞉䞉 㻞㻝㻜㻣䠊 ⢊○᧯స䛻䜘䜛䝫䝸䝬䞊ฎ⌮⢏Ꮚ䛾ᵓ㐀ไᚚ䛻㛵䛩䜛◊✲

ᒣᙧ኱Ꮫ

ᩍᤵ

ᮌಛ䚷ගṇ

䞉䞉䞉 㻞㻝㻞㻤䠊 䝸䝏䜴䝮䜲䜸䞁㟁ụ䛾㟁ᴟᵓ㐀タィ㛗ᒸᢏ⾡⛉Ꮫ኱Ꮫ ෸ᩍᤵ⏣୰䚷ㅍ䞉䞉䞉 㻞㻝㻠㻥䠊 ᮍ฼⏝㈨※฼ά⏝䛾䛯䜑䛾ᶵᲔⓗฎ⌮䛺䜙䜃䛻䛭䛾㧗ᗘᅛయศᯒ

᪩✄⏣኱Ꮫ

ຓᡭ

䞉䞉䞉 㻞㻝㻢
ᡤ䚷༓ᬕ䜾䝷䝘䝍䚷䝆䝳䝉䝑䝨ຍ⸨䚷㐩ஓ኱㜰ᗓ❧኱Ꮫ෸ᩍᤵ㔝ᮧ䚷ಇஅ㻝㻝䠊 ኳ↛↓ᶵ≀䛾ᚤ⢏Ꮚศᩓ䝥䝻䝉䝇䛜 ዪᏊ⨾⾡኱ᏛⰍᮦ≉ᛶ䚸㐀ᙧ⣲ᮦ䛻ཬ䜌䛩ᙳ㡪

๪Ꮫ㛗
ᩍᤵ
෸ᩍᤵ

䞉䞉䞉 㻞㻞㻜
ᶫᮏ䚷ಙᐑᓥ䚷ᘯ㐨✄⏣䚷ள⣖Ꮚ㻝㻞䠊 㻼㻭㻭จ㞟య䜢䝔䞁䝥䝺䞊䝖䛸䛧䛯䝘䝜䝅䝸䜹୰✵⢏Ꮚ䛾ྜᡂྡྂᒇᕤᴗ኱Ꮫᩍᤵ⸨䚷ṇ╩䞉䞉䞉 㻞㻞㻞㻝㻟䠊 䝆䜸䝫䝸䝬䞊䛾◳໬཯ᛂ䛻䛚䜘䜌䛩䝣䝷䜲䜰䝑䝅䝳⢏Ꮚ䜈䛾ᶵᲔⓗฎ⌮
䛾ᙳ㡪

㛵す኱Ꮫ

ᩍᤵ
ຓᩍ

ᮧᒣ䚷᠇ᘯ
ᯇᒸ䚷ග᫛

䞉䞉䞉 㻞㻞㻠㻝㻠䠊 ከᏍయ䛾୙ᆒ㉁ᵓ㐀ᙧᡂ䛸๛ᛶⓎ⌧䛻㛵䛩䜛◊✲

ᮾிᕤᴗ኱Ꮫ෸ᩍᤵᏳ⏣䚷බ୍䞉䞉䞉 㻞㻞㻢㻝㻡䠊 Ỉ⇕䝩䝑䝖䝥䝺䝇䜢฼⏝䛧䛯䝘䝜ከᏍయᮦᩱ〇㐀䝥䝻䝉䝇䛻㛵䛩䜛◊✲

㧗▱኱Ꮫ

ᩍᤵ

ᰗ⃝䚷࿴㐨

䞉䞉䞉 㻞㻞㻤

㻝㻜䠊 ぶỈᛶ䝏䝍䝙䜰䝘䝜⢏Ꮚ䜢⏝䛔䛯䝇䝔䞁䝺䝇ቨ㠃䜈䛾ᚤ⏕≀䛾௜╔ᢚไ− xi −ᩍᤵຓᩍ䞉䞉䞉 㻞㻝㻤

䛆䝘䝜䞉䝬䜲䜽䝻ᵓ㐀ไᚚ䝥䝻䝉䝇Ꮫศ㔝䛇㻝䠊 䝁䞊䝹䝗䝇䝥䝺䞊ἲ䜢⏝䛔䛯䝣䝑⣲⣔䝫䝸䝬䞊ᡂ⭷ᢏ⾡䛾㛤Ⓨᮾ໭኱Ꮫ㻞䠊 ᣺ືⓎ㟁䜢ᣦྥ䛧䛯䝉䝷䝭䝑䜽䜶䝺䜽䝖 ᮾி⌮⛉኱Ꮫ䝺䝑䝖䛾㛤Ⓨᩍᤵᑠᕝ䚷࿴ὒ䞉䞉䞉 㻞㻟㻜

෸ᩍᤵ

⏣୰䚷ඃᐇ

䞉䞉䞉 㻞㻟㻞

䛆䝷䜲䝣䜲䝜䝧䞊䝅䝵䞁ᮦᩱ䝥䝻䝉䝇Ꮫศ㔝䛇㻝䠊 㻸㻿㻯㻲㻛㻳㻰㻯䝘䝜䝁䞁䝫䝆䝑䝖䛻䛚䛡䜛ᵓ㐀㻙ᶵ⬟┦㛵䛾ゎ᫂

⩌㤿኱Ꮫ

෸ᩍᤵ
኱Ꮫ㝔⏕

బ⸨䚷࿴ዲ
᱓ཎ䚷㥴

䞉䞉䞉 㻞㻟㻠㻞䠊 ⮬ᕫ⤌⧊໬䛻ᇶ䛵䛟䝇䝬䞊䝖᥋ྜ䝥䝻䝉䝇䛾㛤Ⓨ䠖㻌᪂ወከᏍ㉁⌫≧⢏Ꮚ䛾䝷䜲䝣䜲䝜䝧䞊䝅䝵䞁㛵㐃ᮦᩱ䜈䛾
ᒎ㛤

⟃Ἴ኱Ꮫ

෸ᩍᤵ

㕥ᮌ䚷⩏࿴

䞉䞉䞉 㻞㻟㻢

୺ᖍ◊✲
ဨ

ྡ჆䚷⠇

䞉䞉䞉 㻞㻟㻤෸ᩍᤵᶫ᪂䚷๛䞉䞉䞉 㻞㻟㻥

≀㉁䞉ᮦᩱ◊✲ᶵ㻟䠊 ᭷ᶵ↓ᶵ䝝䜲䝤䝸䝑䝗᥋ྜ⣔䛾ᵓ㐀ᵓไᚚ䛸䛭䛾≉ᛶ㻌䇷᭷ᶵ↓ᶵపḟඖᵓ㐀䛾⤖ᬗᙧែ䛸≀⌮≉ᛶ䛾ホ౯䇷㻠䠊 ᅛẼ⏺㠃䛾䝘䝜ᵓ㐀ไᚚ䛸䜺䝇䝉䞁䝅䞁䜾ᶵ⬟ⅆᒣᛶ䜺䝇᳨▱⏝䜺䝇䝉䞁䝃䛾໬Ꮫ
ⓗᏳᐃᛶ

⇃ᮏ኱Ꮫ

− xii −

䠆䠆䠆䠆䠆䠆䠆䠆䠆䠆ᅜ㝿ඹྠ◊✲ㄢ㢟䠆䠆䠆䠆䠆䠆䠆䠆䠆䠆䠘୍⯡බເ◊✲ㄢ㢟䠚䛆䜶䝛䝹䜼䞊ไᚚᏛศ㔝䛇㻝䠊 㻱㼒㼒㼑㼏㼠㻌㼛㼒㻌㼍㼞㼏㻌㼜㼞㼑㼟㼟㼡㼞㼑㻌㼛㼚㻌㼠㼔㼑㻌㼐㼕㼓㼓㼕㼚㼓 㻮㼑㼕㼖㼕㼚㼓㻌㼁㼚㼕㼢㼑㼞㼟㼕㼠㼥㼛㼒㻌㼀㼑㼏㼔㼚㼛㼘㼛㼓㼥㼜㼞㼛㼏㼑㼟㼟㻌㼕㼚㻌㼢㼍㼞㼕㼍㼎㼘㼑㻌㼜㼛㼘㼍㼞㼕㼠㼥㻌㼜㼘㼍㼟㼙㼍㼍㼞㼏㻌㼣㼑㼘㼐㼕㼚㼓㻌㼛㼒㻌㻭㻡㻜㻡㻞㻼㻌㼍㼘㼡㼙㼕㼚㼡㼙㻌㼍㼘㼘㼛㼥㻭㼟㼟㼛㼏㼕㼍㼠㼑㻼㼞㼛㼒㼑㼟㼟㼛㼞㻲㼍㼚㻌㻶㼕㼍㼚㼓䞉䞉䞉 㻞㻠㻝

㻌㻼㼔㻚㻰㻚
㼟㼠㼡㼐㼑㼚㼠

㼄㼡㻌㻮㼕㼚䞉䞉䞉 㻞㻠㻟㻟䠊 㻿㼠㼡㼐㼥㻌㼛㼚㻌㼞㼛㼠㼍㼠㼕㼚㼓㻌㼠㼞㼍㼚㼟㼒㼑㼞㻌㼜㼔㼑㼚㼛㼙㼑㼚㼍 㻸㼍㼚㼦㼔㼛㼡㻌㼁㼚㼕㼢㼑㼞㼟㼕㼠㼥 㻌㻼㼔㻚㻰㻚㼛㼒㻌㼀㼑㼏㼔㼚㼛㼘㼛㼓㼥㼟㼠㼡㼐㼑㼚㼠
㼕㼚㻌㼔㼕㼓㼔㻙㼏㼡㼞㼞㼑㼚㼠㻌㻳㻹㻭㼃㻌㼡㼟㼕㼚㼓㻌㼍㼟㼕㼙㼜㼘㼕㼒㼕㼑㼐㻌㼚㼡㼙㼑㼞㼕㼏㼍㼘㻌㼍㼚㼍㼘㼥㼟㼕㼟㼙㼛㼐㼑㼘㼄㼕㼍㼛䚷㻸㼑㼕䞉䞉䞉 㻞㻠㻡㻠䠊 㻯㼔㼍㼞㼍㼏㼠㼑㼞㼕㼦㼍㼠㼕㼛㼚㻌㼛㼒㻌㻵㻹㻯㻌㻲㼛㼞㼙㼍㼠㼕㼛㼚㻌㼕㼚 㼁㼚㼕㼢㼑㼞㼟㼕㼠㼥㻌㻹㼍㼘㼍㼥㼟㼕㼍 㻿㼑㼚㼕㼛㼞㻷㼑㼘㼍㼚㼠㼍㼚
㻸㼑㼏㼠㼡㼞㼑㼞
㻭㼘㻛㻿㼠㼑㼑㼘㻌㻰㼕㼟㼟㼕㼙㼕㼘㼍㼞㻌㻶㼛㼕㼚㼕㼚㼓㻌㼎㼥㻌㼁㼟㼕㼚㼓㻼㼘㼍㼟㼙㼍㻌㻹㻵㻳㻌㼃㼑㼘㼐㼕㼚㼓㻌㻼㼞㼛㼏㼑㼟㼟㻹㼍㼙㼍㼠㻿㼍㼞㼕㼦㼍㼙㻌㻮㼕㼚䞉䞉䞉 㻞㻠㻣㻞䠊 㼀㼔㼑㻌㼑㼒㼒㼑㼏㼠㻌㼛㼒㻌㼑㼘㼑㼏㼠㼞㼛㼐㼑㻌㼑㼚㼑㼞㼓㼥㼎㼍㼘㼍㼚㼏㼑㻌㼛㼚㻌㼢㼍㼞㼕㼍㼎㼘㼑㻌㼜㼛㼘㼍㼞㼕㼠㼥㻌㼜㼘㼍㼟㼙㼍㼍㼞㼏㻌㼜㼞㼑㼟㼟㼡㼞㼑㻮㼑㼕㼖㼕㼚㼓㻌㼁㼚㼕㼢㼑㼞㼟㼕㼠㼥㼛㼒㻌㼀㼑㼏㼔㼚㼛㼘㼛㼓㼥䛆䝺䞊䝄䝥䝻䝉䝇Ꮫศ㔝䛇㻿㼍㼟㼕㼠㼛㼞㼚㻡䠊 㻿㼠㼞㼑㼚㼓㼠㼔㼑㼚㼕㼚㼓㻌㼑㼒㼒㼑㼏㼠㻌㼛㼒㻌㻟㻝㻢㻸㻌㼟㼠㼍㼕㼚㼘㼑㼟㼟 㻺㼍㼠㼕㼛㼚㼍㼘㻌㻹㼑㼠㼍㼘㻌㼍㼚㼐 㻿㼑㼚㼕㼛㼞㼞㼑㼟㼑㼍㼞㼏㼔㼑㼞 㻿㼞㼕㼟㼍㼣㼍㼐㼕㻹㼍㼠㼑㼞㼕㼍㼘㼟㼟㼠㼑㼑㼘㻌㼏㼛㼙㼜㼛㼟㼕㼠㼑㻌㼢㼕㼍㻌㻿㼑㼘㼑㼏㼠㼕㼢㼑㻌㻸㼍㼟㼑㼞㼀㼑㼏㼔㼚㼛㼘㼛㼓㼥㻌㻯㼑㼚㼠㼑㼞㻹㼑㼘㼠㼕㼚㼓㻌㻔㻿㻸㻹㻕䞉䞉䞉 㻞㻠㻥

䛆᥋ྜ⏺㠃ᶵᵓᏛศ㔝䛇㻢䠊 㼀㼔㼑㻌㻵㼚㼢㼑㼟㼠㼕㼓㼍㼠㼕㼛㼚㻌㼛㼚㻌㻹㼑㼏㼔㼍㼚㼕㼏㼍㼘㻼㼞㼛㼜㼑㼞㼠㼕㼑㼟㻌㼛㼒㻌㻲㼞㼕㼏㼠㼕㼛㼚㻌㻿㼠㼕㼞㻌㼃㼑㼘㼐㼑㼐㻭㻭㻡㻜㻡㻞㻌㼀㼔㼕㼚㻌㻼㼘㼍㼠㼑㻌㻮㼡㼠㼠㻌㻶㼛㼕㼚㼠㻚㻭㼦㼙㼍㼚㻌㻵㼟㼙㼍㼕㼘 䞉䞉䞉 㻞㻡㻞㼁㼚㼕㼢㼑㼞㼟㼕㼠㼥㻌㼛㼒㻌㻷㼡㼍㼘㼍 㻿㼑㼚㼕㼛㼞㻸㼡㼙㼜㼡㼞
㼞㼑㼟㼑㼍㼞㼏㼔㼑㼞㻣䠊 㻲㼞㼕㼏㼠㼕㼛㼚㻌㻿㼠㼕㼞㻌㼃㼑㼘㼐㼕㼚㼓㻌㼛㼒㻌㻭㻭㻢㻢㻜㻟㻌㻼㼕㼜㼑 㼁㼚㼕㼢㼑㼞㼟㼕㼠㼥㻌㼛㼒㻌㻷㼡㼍㼘㼍 㻿㼑㼚㼕㼛㼞㻲㼍㼡㼦㼕㼍㼔㻌㻭㼎㻶㼛㼕㼚㼠㻌㼁㼟㼕㼚㼓㻌㻹㼍㼠㼔㼑㼙㼍㼠㼕㼏㼍㼘㻸㼡㼙㼜㼡㼞
㼞㼑㼟㼑㼍㼞㼏㼔㼑㼞 㻾㼍㼔㼙㼍㼚䞉䞉䞉 㻞㻡㻟

䛆」ྜ໬ᶵᵓᏛศ㔝䛇㻤䠊 㻭㼏㼠㼕㼢㼍㼠㼕㼚㼓㻌㼠㼞㼍㼏㼑㻌㻲㼑㻌㼕㼙㼜㼡㼞㼕㼠㼥㻌㼍㼟㼏㼍㼠㼍㼘㼥㼟㼠㻌㼠㼛㻌㼜㼘㼍㼚㼠㻌㼏㼍㼞㼎㼛㼚㻌㼚㼍㼚㼛㼠㼡㼎㼑㼟㼣㼕㼠㼔㼕㼚㻌㼀㼕㻙㻢㻭㼘㻙㻠㼂㼜㼛㼣㼐㼑㼞㼟㻌㼒㼛㼞㻌㼔㼕㼓㼔㻙㼜㼑㼞㼒㼛㼞㼙㼍㼚㼏㼑㻌㼀㼕㻙㼙㼍㼠㼞㼕㼤㻌㼏㼛㼙㼜㼛㼟㼕㼠㼑㼟㻯㼔㼕㼚㼑㼟㼑㻌㻭㼏㼍㼐㼑㼙㼥㼛㼒㻌㻿㼏㼕㼑㼚㼏㼑㼟㻼㼞㼛㼒㼑㼟㼟㼛㼞㼅㼍㼚㼓䚷㼅㼍㼒㼑㼚㼓 䞉䞉䞉 㻞㻡㻠䛆䝇䝬䞊䝖䝁䞊䝔䜱䞁䜾䝥䝻䝉䝇Ꮫศ㔝䛇㻥䠊 㻲㼘㼍㼗㼑㻌㼐㼑㼟㼕㼓㼚㻙㼍㻌㼚㼑㼣㻌㼠㼑㼏㼔㼚㼕㼝㼡㼑㻌㼠㼛㼜㼞㼛㼐㼡㼏㼑㻌㼍㼐㼢㼍㼚㼏㼑㼐㻌㼚㼍㼚㼛㼏㼛㼙㼜㼛㼟㼕㼠㼑㼟㻿㼔㼍㼚㼓㼔㼍㼕㻌㻶㼕㼍㼛㻌㼀㼛㼚㼓 㻭㼟㼟㼕㼟㼠㼍㼚㼠 㻳㼑㼚㼘㼕㼍㼚㻌㻲㼍㼚㼁㼚㼕㼢㼑㼞㼟㼕㼠㼥㼞㼑㼟㼑㼍㼞㼏㼔㼑㼞䞉䞉䞉 㻞㻡㻤㻝㻜䠊 㻟㻰㻌㼜㼞㼕㼚㼠㼕㼚㼓㻌㼛㼒㻌㼏㼛㼙㼜㼛㼚㼑㼚㼠㼟㻌㼒㼛㼞㼍㼐㼢㼍㼚㼏㼑㼐㻌㻸㼕㻙㼕㼛㼚㻌㼎㼍㼠㼠㼑㼞㼕㼑㼟㻿㼔㼍㼚㼓㼔㼍㼕㻌㻶㼕㼍㼛㻌㼀㼛㼚㼓 㻾㼑㼟㼑㼍㼞㼏㼔㼑㼞 㼆㼔㼍㼚㼓㼁㼚㼕㼢㼑㼞㼟㼕㼠㼥㻶㼕㼚㼓㼤㼕㼍㼚䞉䞉䞉 㻞㻢㻜

− xiii −ඛᑟⓗ㔜Ⅼㄢ㢟䞉◊✲ሗ࿌᭩㻌䠄㠀㔠ᒓ␗ᮦ᥋ྜ䛻ྥ䛡䛯ඛ㐍ᮦᩱ䝥䝻䝉䝇䛾㛤Ⓨ䠅䛆◊✲┠ⓗ䛇
⮬ື㌴⏘ᴗ䜔⯟✵Ᏹᐂ⏘ᴗศ㔝䛻䛚䛔䛶䚸㍍㔞໬䛻኱䛝䛟㈉⊩䛷䛝䜛Ⅳ⣲⧄⥔ᙉ໬䝥䝷䝇䝏䝑䜽䠄䠟䠢䠮䠬䠅➼䛾㠀㔠ᒓ䛾฼⏝䛜ᗈ䛟᳨ウ䛥䜜䛶䛚䜚䚸䛭䜜䜙㠀㔠ᒓᮦᩱ䛾᥋ྜ䝯䜹䝙䝈䝮䛻㛵䛩䜛Ꮫ⾡ⓗᇶ♏◊✲䚸୪䜃䛻᪂つ᥋ྜ䝥䝻䝉䝇ᢏ⾡䛾㛤Ⓨ䛜ồ䜑䜙䜜䛶䛔䜛䚹ᮏ◊✲䛾┠ⓗ䛿䚸䝥䝷䝈䝬䚸䝷䝆䜹䝹※䚸㉸㡢Ἴ䚸䝺䞊䝄䞊ග➼䛾䝗䝷䜲䝥䝻䝉䝇䚸୪䜃䛻ᾮ┦䝥䝻䝉䝇䜢ໟྵ䛩䜛ከ✀ከᵝ䛺᥋ྜ䝥䝻䝉䝇䜢⏝䛔䛶䚸㠀㔠ᒓ䛾᥋ྜ≧ែ䜔᥋ྜᙉᗘ䛻ཬ䜌䛩㔜せᅉᏊ䜢ホ౯䛧䚸᭱⤊ⓗ䛻㠀㔠ᒓ␗ᮦ᥋ྜ
䛻㛵䛩䜛᪂つ䝥䝻䝉䝇ᢏ⾡䜢䝤䝺䞊䜽䝇䝹䞊䛩䜛䛣䛸䛻䛒䜛䚹ලయⓗ䛻䛿䝥䝷䝈䝬➼䛾䝗䝷䜲䝥䝻䝉䝇䠈୪䜃䛻ᾮ┦䝥䝻䝉䝇䜢⏝䛔䛯㠀㔠ᒓ␗ᮦ᥋ྜ䛻㛵䛩䜛ᇶ♏ⓗᐇ㦂䜢⾜䛔䠈᥋ྜ≧ែ䠈᥋ྜᙉᗘ➼䜢ヲ⣽䛻ホ౯䛩䜛䚹䛥䜙䛻䛭䛾ᇶ♏ᐇ㦂䛾▱ぢ䛻ᇶ䛵䛔䛶䠈㠀㔠ᒓ␗ᮦ᥋ྜ䛻㛵䛩䜛᪂つ䝥䝻䝉䝇ᢏ⾡䜢᳨ウ䛩䜛䚹䛆ᡂᯝᴫせ䛇
ᮏᖺᗘ䛿䚸㠀㔠ᒓ␗ᮦ᥋ྜ䛻䛴䛔䛶䛾᝟ሗ䜢཰㞟䛩䜛䛸䛸䜒䛻䚸᪂つ᥋ྜ䝥䝻䝉䝇䛻䛴䛔䛶䛾᳨ウ䜢⾜䛳䛯䚹ලయⓗ䛻䛿䚸⏦ㄳ௦⾲⪅䜙䛜㛤Ⓨ䛧䛯኱Ẽᅽ㧗࿘Ἴ䝥䝷䝈䝬䝆䜵䝑䝖䜢᥋ྜ䝥䝻䝉䝇䜈䛸ᛂ⏝ᒎ㛤䛧䛯䚹኱Ẽᅽ㧗࿘Ἴ䝥䝷䝈䝬䝆䜵䝑䝖䛿䚸໬Ꮫⓗ䛻άᛶ䛺ཎᏊ≧㓟⣲䛾ᐦᗘ䛜 㻝㻜㻝㻡㻌㼏㼙㻙㻟㻌 䛸ᚑ᮶䛾ప࿘Ἴ䝥䝷䝈䝬䝆䜵䝑䝖䛻ẚ䜉㻞 ᱆㧗䛟䚸▷᫬㛫䛷ᮦᩱ䛾⾲㠃ᨵ㉁䛜ྍ⬟䛷䛒䜛䛣䛸䚸䜎䛯䚸䝥䝷䝈䝬䝆䜵䝑䝖䛾䜺䝇ᗘ䛿 㻢㻜㻙㻠㻜㻜䉝䛷䛒䜚䠈ᮦᩱ䜢䛣䛾⠊ᅖ䛷ຍ⇕ྍ⬟䛷䛒䜛䛣䛸䛜≉ᚩ䛷䛒䜛䚹䝷䝆䜹䝹※䛸⇕※䛾୧ᶵ⬟䜢᭷䛧䛯኱Ẽᅽ㧗࿘Ἴ䝥䝷䝈䝬䝆䜵䝑䝖䛜䚸≉䛻ᶞ⬡䛾᥋ྜ䝥䝻䝉䝇䛻᭷ຠ䛷䛒䜛䛣䛸䛜᫂䜙䛛䛻䛺䛳䛯䚹௒ᅇ䚸ᶞ⬡䛸䛧䛶䚸䜶䞁䝆䝙䜰䝸䞁䜾䝥䝷䝇䝏䝑䜽䛾䝫䝸䜹䞊䝪䝛䞊䝖䛸䝫䝸䜰䝭䝗䚸ỗ⏝䝥䝷䝇䝏䝑䜽䛾䝫䝸䜶䝏䝺䞁䜢㑅ᐃ䛧䚸䜎䛯㔠ᒓ䛸䛧䛶䚸䝇䝔䞁䝺䝇䚸㖡䚸䜰䝹䝭䚸Ⅳ⣲㗰䜢㑅ᐃ䛧䚸ప䝥䝷䝈䝬᥋ྜ䛾ヨ㦂䜢⾜䛳䛯䚹ᶞ⬡䛸㔠ᒓ䛾୧ヨ㦂∦䛻኱Ẽᅽ㧗࿘Ἴ䝥䝷䝈䝬䝆䜵䝑䝖䜢↷ᑕ䛧䚸ᅽ᥋䛧䛯䛸䛣䜝䚸඲䛶䛾ヨ㦂∦䛻䛚䛔䛶ᚑ᮶䛾⇕ᅽ╔䛻ẚ䜉ᴟ䜑䛶㧗䛔ᘬ䛳ᙇ䜚䛫䜣᩿ᙉᗘ䛜ᚓ䜙䜜䛯䚹
䜎䛯䚸Ⅳ⣲⧄⥔ᙉ໬⇕ྍረᛶ䝥䝷䝇䝏䝑䜽䠄䠟䠢䠮䠰䠬䠅䛻䛚䛔䛶䜒䚸ᚑ᮶ἲ䛸ẚ䜉㧗䛔᥋ྜᙉᗘ䛜☜ㄆ䛷䛝䛯䚹௒ᚋ䛿䚸ලయⓗ䛺⏘ᴗᛂ⏝䛻䛴䛔䛶䛾᳨ウ䜢⾜䛖䛸䛸䜒䛻䚸᪂つ᥋ྜ䝥䝻䝉䝇䛾᥈⣴䜢ᘬ䛝⥆䛝⾜䛳䛶䛔䛟ணᐃ䛷䛒䜛䚹㻌

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᮰ᐦᗘ  P7 ༳ຍ᫬࡟ࡣ㸪࢔࣮ࢡࡀ೫ྥࡋ࡞࠿ࡗࡓࠋࡇࢀ࡟ᑐࡋ࡚㸪 F ࡢᶓ☢᮰ᐦᗘ  P7 ༳ຍ᫬࡟ࡣ㸪࢔࣮ࢡ ᗘࡀ୰ᚰ㒊࠿ࡽ㈇ࡢ < ᪉ྥ࡟⛣ືࡋ㸪࢔࣮ࢡࡀ೫ྥࡋࡓࠋᅗ  ࡟㸪ᶓ㢼྿ࡁ௜ࡅ᫬࡟࠾ࡅࡿᶓ☢᮰ᐦᗘቑຍ᫬ࡢẕᮦ࡬ࡢධ⇕㔞ࢆ♧ࡍࠋᶓ☢᮰ᐦᗘ P7 ༳ຍ᫬࡟ࡣ㸪⇕ఏᑟᡂศ࡟ࡼࡿධ⇕㔞ࡣࣆ࣮ࢡ࡟࡞ࡗࡓࠋࡇࢀࡣ㸪ᶓ☢᮰ᐦᗘ࡜࢔࣮ࢡෆࡢ㟁ὶᐦᗘ࠿ࡽ⏕ࡌࡿ㟁☢
ຊࡀ࢔࣮ࢡ࡟ാࡃࡇ࡜࡛࢔࣮ࢡࡀ೫ྥࡋ࡞࠸ࡓࡵ㸪ධ⇕࡟ᐤ୚ࡍࡿ࢔࣮ࢡࡢ㧗−9−㡿ᇦࡀ┤ୗ᪉ྥ࡟ᘏࡧࡿࡓᅗ  ᶓ㢼྿ࡁ௜ࡅ᫬࡟࠾ࡅࡿᶓ☢᮰ᐦᗘቑຍ᫬ࡢ࢔࣮ࢡ

ᗘศᕸࡵ࡛࠶ࡿࠋ᭦࡟㸪ᶓ☢᮰ᐦᗘࢆቑຍࡉࡏࡿ࡜㸪⇕ఏᑟᡂศ࡟ࡼࡿධ⇕㔞ࡣపୗࡋࡓࠋࡇࢀࡣ㸪ᶓ☢᮰ᐦᗘ࡜࢔࣮ࢡෆࡢ㟁ὶᐦᗘ࠿ࡽ⏕ࡌࡿ㟁☢ຊࡀቑຍࡍࡿࡇ࡜࡛㸪㏫᪉ྥ࡟࢔࣮ࢡࡀ೫ྥࡍࡿࡓࡵ࡛࠶ࡿࠋᶓ㢼ࢆ྿ࡁ௜ࡅ࡚࠸࡞࠸ሙྜ࡜ẚ㍑ࡋ࡚㸪࢔࣮ࢡ೫ྥࢆᢚไࡋࡓ࡜ࡁ࡟ࡣ㸪⇕ఏᑟᡂศࡢධ⇕㔞ࡣ㏆࡙࠸ࡓࠋࡇࡢࡓ
ࡵ㸪ᶓ㢼྿ࡁ௜ࡅ᫬࡟࠾࠸࡚㸪ᶓ☢⏺ࢆ༳ຍࡍࡿࡇ࡜࡛㸪ẕᮦ࡟୚࠼ࡿධ⇕ࢆᨵၿ࡛ࡁࡿࡇ࡜ࡀ᫂ࡽ࠿࡜࡞ࡗࡓࠋ㸲 ࡲ࡜ࡵ
ᮏ◊✲࡛ࡣ㸪ධ⇕ᨵၿ࡟ྥࡅࡓᶓ☢⏺༳ຍ 7,* ⁐᥋ࡢ㸱ḟඖ㟁☢⇕ὶయࢩ࣑࣮ࣗࣞࢩࣙࣥࡢ㛤Ⓨࢆ⾜ࡗࡓࠋ⤖ᯝ࡜ࡋ࡚㸪ᶓ☢᮰ᐦᗘ P7 ༳ຍ᫬࡟ࡣ㸪⇕ఏᑟᡂศ࡟ࡼࡿධ⇕㔞ࡣࣆ࣮ࢡ࡟࡞ࡗࡓࠋࡇࢀࡣ㸪ᶓ☢᮰ᐦᗘ࡜࢔࣮ࢡෆࡢ㟁ὶᐦᗘ࠿ࡽ⏕ࡌࡿ㟁☢ຊࡀ࢔࣮ࢡ࡟ാࡃࡇ࡜࡛࢔࣮ࢡࡀ೫ྥࡋ࡞࠸ࡓ
ࡵ㸪ධ⇕࡟ᐤ୚ࡍࡿ࢔࣮ࢡࡢ㧗㡿ᇦࡀ┤ୗ᪉ྥ࡟ᘏࡧࡿࡓ

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1. ⫼ᬒ࠾ࡼࡧ┠ⓗ*0$ ⁐᥋㒊ࡢ㓟໬ࢆ㜵ࡂࠊ㠌ᛶࡸᘏᛶࡢపୗࢆ㜵ࡄࡓࡵ࡟ࡣࠊ⣧ $U ࢞ࢫࢆࢩ࣮ࣝࢻ࢞ࢫ࡜ࡋ࡚⁐᥋ࡍࡿࡇ࡜ࡀ
᭷ຠ࡛࠶ࡿࠋࡋ࠿ࡋࠊ⣧ $U ࢩ࣮ࣝࢻ࢞ࢫࢆ⏝࠸ࡿ࡜ࠊ࣡
࢖ࣖඛ➃㒊࡟ᅗ  ࡟♧ࡍࡼ࠺࡟㛗ࡃఙࡧࡓ⁐⼥㔠ᒓᾮᰕࡀ⏕ࡌࠊ⁐᥋ࣉࣟࢭࢫࡀ୙Ᏻᐃ࡟࡞ࡿࠋࡑࡢࡓࡵࠊ⣧ $U ࢩ࣮ࣝࢻ࢞ࢫࢆ⏝࠸ࡓ *0$ ⁐᥋ࡣᐇ⏝໬ࡉࢀ࡚ࡇ࡞࠿ࡗ
ࡓࠋᮏሗ࿌࡛ࡣࠊ⁐᥋ࣉࣟࢭࢫ୙Ᏻᐃ໬ࡢཎᅉ࡜࡞ࡿ⁐⼥㔠ᒓᾮᰕࢆࠊ࣮ࣞࢨ࡟ࡼࡾษ᩿ࡍࡿࡇ࡜࡛ࠊᏳᐃࡋࡓࣅ࣮
ࢻ࠾ࡼࡧ⁐㎸ࡳᙧ≧ࡀᚓࡽࢀࡿ࣮ࣞࢨ࢔ࢩࢫࢺ Ar-MIG ⁐᥋ἲࡢ☜❧ࢆ┠ᣦࡋ࡚ࠊ࣮ࣞࢨ↷ᑕຠᯝࡢᐃ㔞ホ౯ࢆ┠ⓗᅗ  ⣧ $U ࢩ࣮ࣝࢻ࢞ࢫ࡛⏕ࡌࡿ࡟࣮ࣞࢨ↷ᑕ᫬ࡢ⁐᥋㟁ὶἼᙧࢆホ౯ࡋࠊࣅ࣮ࢻᴫほほᐹ⁐⼥㔠ᒓᾮᰕ
⤖ᯝ࡜ࡢ㛵㐃ࢆ᳨ウࡋࡓࠋ
2. ◊✲᪉ἲᮏ◊✲࡛⏝࠸ࡓ࣮ࣞࢨ࢔ࢩࢫࢺ Ar-MIG ⁐᥋ࢩࢫࢸ࣒ࡣᅗ 2 ࡟♧ࡍࡼ࠺࡟ࠊ⁐⼥㔠ᒓᾮᰕ-ᮍ⁐⼥⁐᥋࣡࢖ࣖቃ⏺㏆ഐ࡟࣮ࣞࢨࢆ↷ᑕࡍࡿࡇ࡜࡛ࠊ⁐⼥㔠ᒓᾮᰕࡢษ᩿ࢆ⾜࠺ࢩࢫࢸ࣒࡛࠶ࡿࠋ
SM490 㗰ᯈ(ᯈཌ 12mm)ࢆẕᮦ࡜ࡋ࡚౑⏝ࡋࠊẕᮦୖ࡟⣧ Ar ࢆࢩ࣮ࣝࢻ࢞ࢫ࡜ࡋࡓࣅ࣮ࢻ࢜ࣥࣉ࣮ࣞ
ࢺ⁐᥋ࢆ⾜ࡗࡓࠋ⁐᥋࣡࢖ࣖ࡜ࡋ࡚ࠊ550MPa ⣭㗰⏝⁐᥋࣡࢖ࣖ(࣡࢖ࣖᚄ: 1.2 mm)ࢆ⏝࠸ࡓࠋ⁐᥋㟁ὶࠊ⁐᥋㟁ᅽࠊ⁐᥋㏿ᗘࡣࡑࢀࡒࢀࠊ230 Aࠊ32 Vࠊ45
cm/min ୍࡛ᐃ࡜ࡋࡓࠋ↷ᑕ࣮ࣞࢨࡣࣃࣝࢫ࣮ࣞࢨ(ࣆ࣮ࢡฟຊ: 5000 W)࡜ࡋ࡚ࠊࣃࣝࢫ࣮ࣞࢨ↷ᑕ㛫㝸ࡣᅗ  ࣮ࣞࢨ࢔ࢩࢫࢺ
100 msࠊ1 ࣃࣝࢫᙜࡓࡾࡢ↷ᑕ᫬㛫ࡣ 10 ms ୍࡛ᐃ$U0,* ⁐᥋ࢩࢫࢸ࣒
࡜ࡋࡓࠋ࣮ࣞࢨ↷ᑕ఩⨨ࡣࠊᏳᐃࡋࡓᾮᰕษ᩿ࡀྍ
⬟࡞ẕᮦ⾲㠃࠿ࡽ 12 mm ࡜Ᏻᐃࡋࡓษ᩿ࡀ࡛ࡁ࡞࠸ẕᮦ⾲㠃࠿ࡽ 16 mm ࡢ 2 ✀㢮࡜ࡋࡓࠋ3. ⤖ᯝ
ᅗ 3 ࡟ẕᮦ⾲㠃-࣮ࣞࢨ↷ᑕ఩⨨㊥㞳ࡀ 12, 16 mm ࡢሙྜࡢ⁐᥋㟁ὶἼᙧࢆ♧ࡍࠋࡲࡓࠊᅗ 4 ࡟୧᮲௳࡟࠾ࡅࡿࣅ࣮ࢻᴫほࢆ♧ࡍࠋᅗ 3(a)࡟♧ࡍࡼ࠺࡟ẕᮦ⾲㠃-࣮ࣞࢨ↷ᑕ఩⨨㊥㞳ࡀ 12 mm ࡢሙྜ࡟ࡣࠊ࣮ࣞࢨ↷ᑕࡀ㛤ጞࡍࡿ࡜⁐᥋㟁ὶࡀపୗࡋ࡚࠸ࡿࠋࡇࢀࡣࠊ࣮ࣞࢨ↷ᑕ࡟ࡼࡾᾮᰕࡀษ᩿ࡉࢀࠊ
▐㛫ⓗ࡟࢔࣮ࢡ㛗ࡀ㛗ࡃ࡞ࡗࡓࡓࡵ࡛࠶ࡿࠋ࣮ࣞࢨ↷ᑕࡀ⤊஢ࡍࡿ࡜ࠊᚎࠎ࡟⁐᥋㟁ὶࡣቑຍࡋࠊ⣙ $ ࡛Ᏻᐃࡋࡓᚋ࡟ࠊḟࡢ࣮ࣞࢨ↷ᑕࡀ⾜ࢃࢀ࡚࠸ࡿࠋࡇࡢࡼ࠺࡞࿘ᮇⓗ࡞ᣲືࡢ⤖ᯝࠊᅗ  D ࡟♧ࡍ㏻ࡾࠊẕᮦ⾲㠃-࣮ࣞࢨ↷ᑕ఩⨨㊥㞳ࡀ 12 mm ࡢሙྜ࡟ࡣᏳᐃࡋࡓࣅ࣮ࢻᙧ≧ࡀᚓࡽࢀ࡚࠸ࡿࠋࡑࢀ࡟ᑐࡋ࡚ࠊᅗ 3(b)࡟♧ࡍࡼ࠺࡟ẕᮦ⾲㠃-࣮ࣞࢨ↷ᑕ఩⨨㊥㞳ࡀ 16 mm ࡢሙྜ࡟

− 15 −

(a) ẕᮦ⾲㠃-࣮ࣞࢨ↷ᑕ఩⨨㊥㞳: 12 mm(b) ẕᮦ⾲㠃-࣮ࣞࢨ↷ᑕ఩⨨㊥㞳: 16 mm

ᅗ 3 ⁐᥋㟁ὶἼᙧ(c) ẕᮦ⾲㠃-࣮ࣞࢨ↷ᑕ఩⨨㊥㞳: 12 mm(d) ẕᮦ⾲㠃-࣮ࣞࢨ↷ᑕ఩⨨㊥㞳: 16 mm

ᅗ 4 ẕᮦ⾲㠃-࣮ࣞࢨ↷ᑕ఩⨨㊥㞳࡜ࣅ࣮ࢻᴫほࡢ㛵ಀࡣࠊ࣮ࣞࢨ↷ᑕ࡟ࡼࡿ⁐᥋㟁ὶࡢ㢧ⴭ࡞ኚ໬ࡣࡳࡽࢀࡎࠊ㹼$ ࡢ㛫࡛୙つ๎࡟ኚ໬ࡋ࡚࠸
ࡿࠋࡇࢀࡣࠊ࣮ࣞࢨ↷ᑕ࡟ࡼࡿ㐺ษ࡞ᾮᰕษ᩿ࡀ⾜ࢃࢀࡎࠊ୙Ᏻᐃ࡞࢔࣮ࢡᨺ㟁≧ែ࡜࡞ࡗ࡚࠸ࡿ
ࡓࡵ࡛࠶ࡿࠋ⤖ᯝ࡜ࡋ࡚ᅗ  E ࡟♧ࡍ㏻ࡾࠊࣅ࣮ࢻᙧ≧ࡶ୙Ᏻᐃ࡜࡞ࡗ࡚࠸ࡿࠋ௨ୖࡢ㏻ࡾࠊ࣮ࣞࢨ↷ᑕ᮲௳ࡀ⁐᥋ࣉࣟࢭࢫᏳᐃ໬ࡢほⅬ࠿ࡽ㐺ษ࡛࠶ࡿ࠿࡝࠺࠿ࡣࠊ࣮ࣞࢨ↷ᑕ࡟ࡼࡿ⁐᥋㟁ὶࡢపୗࡢ᭷↓࡟ࡼࡾุ᩿࡛ࡁࡿྍ⬟ᛶࡀ࠶ࡿࠋ
4. ⤖ㄽ
ᮏ◊✲࡛ࡣࠊ⣧ $U ࢩ࣮ࣝࢻ࢞ࢫ⎔ቃ࡟࠾࠸࡚Ᏻᐃࡋࡓ⁐᥋ࢆྍ⬟࡟ࡍࡿࡓࡵ࡟ࠊ࣮ࣞࢨ࢔ࢩࢫ
ࢺ Ar-MIG ⁐᥋ἲࡢ☜❧ࢆ┠ᣦࡋࠊ࣮ࣞࢨ↷ᑕ᫬ࡢ⁐᥋㟁ὶἼᙧ࡜ࣅ࣮ࢻᴫほࡢ㛵ಀ࡟ࡘ࠸᳨࡚ウࡋࡓࠋࡑࡢ⤖ᯝࠊᏳᐃࡋࡓࣅ࣮ࢻᙧ≧ࢆᚓࡿࡇ࡜ࡀ࡛ࡁࡿ㐺ษ࡞࣮ࣞࢨ↷ᑕ᮲௳࡛ࡣࠊ⁐᥋㟁ὶࡀ࣮ࣞࢨ↷ᑕ࡟క࠸࿘ᮇⓗ࡟ኚ໬ࡋ࡚࠸ࡿࡇ࡜ࡀ᫂ࡽ࠿࡟࡞ࡗࡓࠋᮏ⤖ᯝࡣࠊ࣮ࣞࢨ↷ᑕࡢ᭷ຠᛶࡢᐃ㔞໬ࡢࡓࡵ࡟㔜せ࡞▱ぢ࡛࠶ࡾࠊྛ✀⁐᥋᮲௳࡟ᛂࡌࡓ㐺ษ࡞࣮ࣞࢨ↷ᑕ᮲௳ࡢุ᩿ᇶ
‽࡜ࡋ࡚⏝࠸ࡿࡇ࡜ࡀ࡛ࡁࡿࠋ
(ඹྠ◊✲ศ㔝: ࢚ࢿࣝࢠ࣮ไᚚᏛศ㔝)− 16 −

⁐᥋࢔࣮ࢡ⌧㇟㸪⁐⼥ụ⌧㇟࠾ࡼࡧ⁐᥋㍺㏦⌧㇟ゎᯒ ࢔࣮ࢡ⁐᥋࡟࠾ࡅࡿ⥅ᡭᙧᡂ⌧㇟ࡢゎ᫂➼ᐑᓮ኱ᏛᕤᏛᩍ⫱◊✲㒊 ᮌஅୗ ᗈᖾ㸬ࡣࡌࡵ࡟
ࣉࣛࢬ࣐࣭0,* ࣁ࢖ࣈࣜࢵࢻ⁐᥋࡛ࡣ㸪ࣉࣛࢬ࣐ࢺ࣮ࢳ࡜ 0,* ࢺ࣮ࢳࡢࡑࢀࡒࢀࡀ㟁ᴟ࡟᥋⥆ࡉࢀ࡚࠾ࡾ㸪ࣉࣛࢬ࣐ࢺ࣮ࢳ࡛㛤ඛࡢ῝㒊ࢆඛ⾜ࡋ࡚⁐᥋ࡋ㸪0,* ࢺ࣮ࢳ࡛ὸ㒊ࢆ࡯ࡰྠ᫬࡟⁐᥋ࡍࡿ㸬ࡇࡢ⁐᥋᪉ἲ࡛ࡣ㸪ࣉࣛࢬ࣐⁐᥋ࡢ≉ᚩ࡛࠶ࡿ᥋ྜ㒊ࡢⰋዲ࡞ᶵᲔⓗᛶ㉁࡜㸪0,* ⁐᥋ࡢ≉ᚩ࡛࠶ࡿ㧗࠸⁐᥋㏿ᗘࡢ୧᪉ࡀᮇᚅ࡛ࡁࡿ㸬ࡋ࠿ࡋ࡞ࡀࡽ㸪ᚑ᮶ࡢࣉࣛࢬ࣐⁐᥋ཬࡧ 0,* ⁐᥋࡜ẚ㍑ࡋ࡚㸪࢔࣮ࢡࡀ┦஫࡟స⏝ࡍࡿࡓࡵ㸪⁐᥋᫬ࡢ⌧㇟ࡣ」㞧࡛࠶ࡾ㸪⁐᥋ࣉ࣮ࣝࢆᏳᐃ໬ࡍࡿࡇ࡜ࡀ㠀ᖖ࡟㞴ࡋ࠸࡜࠸࠺ㄢ㢟ࡀ࠶ࡿ㸬ࣉࣛࢬ࣐࣭0,*ࣁ࢖ࣈࣜࢵࢻ⁐᥋࡛⁐᥋㒊ᮦࡢ㧗ရ㉁໬ࢆᅗࡿ࡜ඹ࡟㸪ᵝࠎ࡞⏘ᴗศ㔝ࡢ〇ရ࡟ࡇࡢ᪉ἲࢆ㐺⏝ࡍࡿࡓࡵ࡟ࡣ㸪⥅ᡭᙧᡂࡢ࣓࢝ࢽࢬ࣒ࢆヲ⣽࡟ゎ᫂ࡋ㸪⁐᥋᮲௳ࡢ᭱㐺໬ࢆᅗࡿᚲせࡀ࠶ࡿ㸬ࡑࡇ࡛ᮏ◊✲࡛ࡣ㸪ࣉࣛࢬ࣐ 0,* ࣁ࢖ࣈࣜࢵࢻ⁐᥋࡟࠾ࡅࡿ⁐᥋᮲௳ࡢ᭱㐺໬࡞ࡽࡧ࡟⥅ᡭᙧᡂ࣓࢝ࢽࢬ࣒ࡢゎ᫂ࢆ┠ⓗ࡜ࡋ࡚㸪㟁ὶ㸪ࢩ࣮ࣝࢻ࢞ࢫཬࡧ⁐᥋㏿ᗘ࡞࡝ࡢ᮲௳ࢆᩘ㏻ࡾኚ࠼࡚࢔࣑ࣝࢽ࢘
࣒ྜ㔠➼ࡢࣉࣛࢬ࣐࣭0,* ࣁ࢖ࣈࣜࢵࢻ⁐᥋ࢆ⾜࠸㸪⥅ᡭࡢ᥋ྜ≧ἣ࡟ࡘ࠸᳨࡚ウࡍࡿ㸬ࡲࡓ㸪⥅ᡭࡢ᥋ྜᙉᗘ࡟ࡘ࠸᳨࡚ウࡍࡿࡓࡵ㸪⥅ᡭࡢᘬᙇヨ㦂ཬࡧ᥋ྜ㒊ࡢ◳ࡉ ᐃࢆ⾜࠺㸬࡞࠾㸪⁐᥋⥅ᡭࡢస〇ཬࡧ⁐᥋᮲௳ࡢ᭱㐺໬࡟ࡘ࠸࡚ࡣ㸪ᐇ㦂⿦⨨ࡢ㛵ಀ࠿ࡽ㸪኱㜰኱Ꮫ᥋ྜ◊ࡀᢸᙜࡋ㸪ᡃࠎࡣ⥅ᡭࡢ᥋ྜᙉᗘࡢホ౯ࡸ◳ࡉศᕸࡢ ᐃ➼ࢆᢸᙜࡍࡿࡇ࡜࡜ࡋࡓ㸬
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ᅗ  ࣉࣛࢬ࣐࣭0,* ࣁ࢖ࣈࣜࢵࢻ⁐᥋ࡢᐇ㦂⿦⨨እほ
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− 17 −

㸬ᐇ㦂᪉ἲ
㸦㸧⥅ᡭࡢᘬᙇヨ㦂࣭⁐᥋⥅ࡂᡭࡢస〇$㸦îîPP㸧ࡢ  ᯛࡢᯈࢆ✺ྜࡏ⁐᥋ࡋࡓ⥅ᡭࢆస〇㸦ᅗ 㸧࣭⥅ᡭࡢᘬᙇヨ㦂స〇ࡋࡓ⁐᥋⥅ᡭ࠿ࡽ㸪ᅗ  ࡟♧ࡍ◚⥺㒊ࢆษ᩿ࡋ㸪îîPP ࡢヨ㦂∦ࢆ᥇ྲྀ㸬⢭ᐦ୓⬟ヨ㦂ჾ㸦࣮࢜ࢺࢢࣛࣇ㸧ࢆ⏝࠸࡚㸪PPPLQ ࡢ㏿ᗘ࡛ヨ㦂∦ࡢᘬᙇヨ㦂ࢆ⾜࠸㸪᭱኱ࡢᘬᙇᙉࡉࢆồࡵࡿ㸬㸦㸧᥋ྜ㒊㸦⥅ᡭ᩿㠃㸧ࡢ◳ࡉศᕸࡢ ᐃ ⥅ᡭࢆ $$ ᩿㠃࡟ἢࡗ࡚ษ᩿
$$ ᩿㠃ࡢ⁐᥋㒊ࡢ◳ࡉศᕸࢆ࣐࢖ࢡࣟࣅࢵ࣮࢝ࢫ◳ࡉヨ㦂ᶵ࡟ࡼࡾ ᐃ㸦ᅗ 㸧 㸦㸧᥋ྜ㒊㸦⥅ᡭ᩿㠃㸧ࡢ 6(0 ほᐹ ᥋ྜ㒊ࡢ 6(0 ほᐹࢆ⾜࠸⁐⼥ụࡢ㡿ᇦࢆ≉ᐃࡍࡿ㸬ࡲࡓ㸪⁐⼥ụ࿘㎶ࡢ⤌⧊ࡢᵝ┦ࢆほᐹࡍࡿ㸬㸬ᐇ㦂⤖ᯝ ⌧ᅾࡢ࡜ࡇࢁ㸪ࡲࡔⰋዲ࡞⥅ᡭࢆస〇࡛ࡁ࡚࠸࡞࠸㸬⥅ᡭࡀస〇࡛ࡁḟ➨㸪ᘬᙇヨ㦂㸪◳ࡉศᕸࡢ ᐃࢆ
⾜࠺㸬
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◳ࡉ ᐃ㸦 JULG ࡢ஺Ⅼ㸧㸦[ ᪉ྥ㸪\᪉ྥ࡟PP㛫㝸㸧
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 ᅗ  ࣉࣛࢬ࣐࣭0,* ࣁ࢖ࣈࣜࢵࢻ⁐᥋⥅ᡭᅗ  ◳ࡉศᕸࡢ ᐃ᪉ἲ㸦ඹྠ◊✲ศ㔝㸸࢚ࢿࣝࢠ࣮ไᚚᏛศ㔝㸧− 18 −

㸱ḟඖ㟁☢⇕ὶయࢩ࣑࣮ࣗࣞࢩࣙࣥࢆ⏝࠸ࡓ஺ὶ☢⏺ࡀཬࡰࡍධ⇕㔞ࡢゎᯒᮾி㒔ᕷ኱Ꮫ኱Ꮫ㝔 ⥲ྜ⌮ᕤᏛ◊✲⛉ 㟁Ẽ࣭໬Ꮫᑓᨷ
ᑠஂಖ ⩧ኴ㸯 ࡣࡌࡵ࡟
࢞ࢫࢩ࣮ࣝࢻ࢔࣮ࢡ⁐᥋ࡣ㸪⡆౽ᛶ㸪⏕⏘ᛶࡀ㧗࠸࡜࠸ࡗࡓ฼Ⅼࡀ࠶ࡿࡇ࡜࠿ࡽᗈࡃᬑཬࡋ࡚࠸ࡿࠋࡇࡢ
⁐᥋ἲࡣ㸪Ẽయࢆ⏝࠸࡚኱Ẽ࠿ࡽ࢔࣮ࢡࢆಖㆤࡍࡿࡇ࡜࠿ࡽ኱Ẽࡢᕳࡁ㎸ࡳࢆ㜵Ṇ࡛ࡁࡿ࡞࡝ࡢ≉㛗ࢆ᭷ࡋ㸪㧗ရ㉁࡞⁐᥋ࡀྍ⬟࡛࠶ࡿࠋࡋ࠿ࡋ㸪ᙉ㢼᫬࡟࠾࠸࡚㸪኱Ẽ࠿ࡽ࢔࣮ࢡࢆ㐽᩿ࡍࡿࢩ࣮ࣝࢻ࢞ࢫὶࡀ㸪㢼ୗഃ࡟ὶࡉࢀࡿ࡜ඹ࡟㸪࢔࣮ࢡࡀ೫ྥࡍࡿࠋࡇࢀ࡟ࡼࡾ㸪ධ⇕ࡀ୙Ᏻᐃ࡟࡞ࡿࡇ࡜ࡸ㸪኱Ẽ࠿ࡽࡢ❅⣲ࡀ⁐⼥㔠ᒓ࡟ΰධࡋ㸪⁐᥋Ḟ㝗ࡀ⏕ࡌࡿၥ㢟ࡀ࠶ࡿࠋ࢔࣮ࢡ೫ྥ⌧㇟ࡢ㜵Ṇ࡟ྥࡅ࡚㸪➹⪅ࡽࡣ㸪㸱ḟඖࡢ㟁☢⇕ὶయࢩ࣑࣮ࣗࣞࢩࣙࣥࢆ㛤Ⓨࡋ㸪ᶓ㢼྿௜ࡅ᫬࡟࠾ࡅࡿ㠀ᑐ⛠࡞࢔࣮ࢡጼែࡢゎᯒࢆ⾜ࡗ࡚ࡁࡓ  ࠋࡇࡢ࢔࣮ࢡ೫ྥࢆᢚไࡍࡿࡓࡵ࡟㸪ᶓ☢⏺ࢆ⏝࠸ࡿࡇ࡜࡛㸪࢔࣮ࢡෆࡢὶࢀሙࢆ㝜ᴟ࠿ࡽ㝧ᴟ࡟ྥ࠿࠺᪉ྥ࡟ㄏᑟ
ࡍࡿࡇ࡜࡛࢔࣮ࢡ೫ྥࢆᢚไࡍࡿࡇ࡜࡟╔┠ࡍࡿࠋࡋ࠿ࡋ㸪஺ὶ☢⏺ࡢ㟁☢ຊࡀཬࡰࡍ࢔࣮ࢡෆࡢὶࢀሙࡢ
ኚ໬࡟ࡼࡗ࡚⏕ࡌࡿ㝧ᴟ࡬ࡢධ⇕⌧㇟࡟㛵ࡍࡿሗ࿌౛ࡣ࡯࡜ࢇ࡝࡞࠸ࠋ௨ୖࡢ⫼ᬒࡢᇶ㸪ᮏ◊✲࡛ࡣ㸪㸱ḟඖ㟁☢⇕ὶయࢩ࣑࣮ࣗࣞࢩࣙࣥࢆ⏝࠸ࡓ஺ὶ☢⏺ࡀཬࡰࡍධ⇕㔞ࡢゎᯒࢆ⾜࠺ࠋලయⓗ࡟ࡣ㸪࿘Ἴᩘ࡜☢᮰ᐦᗘࢆࣃ࣓࣮ࣛࢱ࡟㸪ẕᮦ࡬ࡢධ⇕㔞ࡢゎᯒࢆ⾜࠺ࠋ㸰 ィ⟬᪉ἲᮏ◊✲࡛ࡣ㸪㸱ḟඖ┤஺ᗙᶆ⣔ࡢ㝜ᴟ࡜࢔࣮ࢡ㸪㝧ᴟࢆ⤫ྜࡋࡓィ⟬ࣔࢹࣝࢆᵓ⠏ࡋ㸪ゎᯒࢆ⾜ࡗࡓࠋィ⟬㡿ᇦࡣ㸪; ᪉ྥ࡜ < ᪉ྥ࡟  PP㸪= ᪉ྥ࡟  PP ࡜ࡋࡓࠋ㟁ᴟ㛫㊥㞳ࡣ㸪 PP㸪㟁※ࡣᐃ㟁ὶ※ࢆᶍᨃࡋ㸪㟁ὶࡣ $㸪ࣀࢬࣝෆᚄࡣ PP㸪㝜ᴟ✺ࡁฟࡋ㛗ࡉࡣ PP㸪ࢩ࣮ࣝࢻ࢞ࢫὶ㔞ࡣ /PLQ㸪ᅽຊࡣ 03D ࡜ࡋࡓࠋ᭦࡟㸪㝜ᴟᚄࡣ PP㸪㝜ᴟඛ➃ゅᗘࡣ r࡛タᐃࡋࡓࠋẕᮦ࡛࠶ࡿ㝧ᴟࡣ 686㸪㝜ᴟࡣࢱࣥࢢࢫࢸࣥ࡜ࡋࡓࠋ㞺ᅖẼ࢞ࢫࡢ࢞ࢫ✀ࡣ࢔ࣝࢦࣥ࡜ࡋࡓࠋ࢔࣮ࢡ඲య࡟ᆒ୍࡞እ㒊☢⏺ࢆ༳ຍࡍࡿࡓࡵ࡟㸪እ㒊☢᮰ᐦᗘࡢ༳ຍ㡿ᇦࡣ PPPPPP ࡢ✵㛫ࡢ㡿ᇦ࡟タᐃࡋࡓࠋ஺ὶᶓ☢⏺ࡢ࿘Ἴᩘࢆ +] ࡜ࡋ㸪እ㒊☢᮰ᐦᗘB ࡣ㸪P7 ࢆࣃ࣓࣮ࣛࢱ࡜ࡋ࡚୚࠼ࡓࠋࡲࡓ㸪ᮏィ⟬࡛ࡣ㸪ᒁᡤ⇕ᖹ⾮㸪ᒙὶ㸪㠀ᅽ⦰ᛶὶయࢆ௬ᐃࡋ㸪㟁ᴟ㝆ୗ㟁ᅽ㸪ࢩ࣮ࢫ⌧㇟ࡣ⪃៖ࡋ࡞࠸ࠋᨭ㓄᪉⛬ᘧࡣ㸪㉁㔞ಖᏑ๎㸪㐠ື㔞ಖᏑ๎㸪࢚ࢿࣝࢠ࣮ಖᏑ๎㸪㟁ὶ㐃⥆ࡢᘧ㸪࣮࣒࢜ࡢἲ๎㸪࣐ࢡࢫ࢙࣭࢘ࣝ࢔࣮ࣥ࣌ࣝࡢᘧࢆ㐃❧ࡉࡏ࡚ィ⟬ࢆ⾜ࡗࡓࠋẕᮦ࡬ࡢ⇕ὶ᮰ࡣ㸪㟁Ꮚจ⦰⇕࡜࢔࣮ࢡ࠿ࡽࡢ⇕ఏᑟ㸪ẕᮦ⾲㠃࠿ࡽࡢᨺᑕࢆ⪃៖ࡋ㸪ẕᮦ⾲㠃࡟࠾ࡅࡿ࢚ࢿࣝࢠ࣮ಖᏑ๎ࡢ⏕ᡂ㡯࡟ࡇࢀࡽࡢ㡯ࢆ㏣ຍࡋࡓ  ࠋẕᮦ࡟୚࠼ࡿṇࡢධ⇕㔞࡛࠶ࡿ㟁Ꮚจ⦰⇕࡜࢔࣮ࢡ࠿ࡽࡢ⇕ఏᑟࡢධ⇕㔞ࡣ㸪⥲㟁ὶࡢ ࡀὶࢀࡿᑟ㟁㡿ᇦ࡜ᐃ⩏ࡋࡓᑟ㟁㠃✚ࢆ⟬ฟࡋ㸪⇕ὶ᮰࡜ᑟ㟁㠃✚ࡢ✚ࢆィ⟬ࡍࡿࡇ࡜࡛⟬ฟࡋࡓࠋ㸱 ⤖ᯝ࠾ࡼࡧ᳨ウᅗ  ࡟㸪୍࿘ᮇ࡟࠾ࡅࡿ஺ὶᶓ☢⏺ࡀཬࡰࡍ࢔࣮ࢡ ᗘศᕸࢆ♧ࡍࠋࡇࢀࡣ㸪᭱኱㸪᭱ᑠ್࡜  Ⅼࢆ♧ࡋࡓ࢔࣮ࢡ ᗘศᕸ࡛࠶ࡿࠋࡇࢀࢆ㋃ࡲ࠼㸪 D  E ࡢ t PV ᫬࡟ࡣ㸪ṇࡢ☢⏺ࡀ༳ຍࡉࢀࡿࡓࡵ㸪እ㒊☢᮰ᐦᗘ࡜࢔࣮ࢡෆࡢ㟁ὶᐦᗘ࠿ࡽ⏕ࡌࡿ㟁☢ຊ࡟ࡼࡗ࡚㸪࢔࣮ࢡࡢ㧗㡿ᇦࡀ୰ᚰ㒊࠿ࡽṇࡢ < ᪉ྥ࡟㢧ⴭ࡟೫ྥࡋࡓࠋ୍᪉ F  G t PV ࡢ᫬࡟ࡣ㸪㈇ࡢ☢⏺ࡀ༳ຍࡉࢀࡿࡓࡵ㸪㟁☢ຊࡀ㈇ࡢ < ᪉ྥ࡟࠿࠿ࡗࡓࠋࡇࢀ࡟ࡼࡾ㸪 G t PV ࡛ࡣ㸪࢔࣮ࢡࡀẕᮦ࡛࠶ࡿ㝧ᴟ࡟ᑐࡋ࡚㸪┤❧ࡋࡓࠋ− 19 −

ᅗ  ୍࿘ᮇ࡟࠾ࡅࡿ஺ὶᶓ☢⏺ࡀཬࡰࡍ࢔࣮ࢡ ᗘศᕸᅗ  ࡟㸪୍࿘ᮇ࡟࠾ࡅࡿ஺ὶᶓ☢⏺༳ຍ᫬ࡢẕᮦ࡬ࡢධ⇕㔞ࢆ♧ࡍࠋ஺ὶᶓ☢⏺  P7 ༳ຍ᫬࡟࠾࠸࡚㸪
PV ࡢ㝿࡟㸪ẕᮦ࡬ࡢධ⇕㔞ࡀ᭱኱࡟࡞ࡗࡓࠋࡇࢀࡣ㸪. ௨ୖࡢ࢔࣮ࢡࡢ㧗㡿ᇦࡀẕᮦ࡛࠶ࡿ㝧ᴟ࡟ᑐࡋ࡚㸪┤❧ࡋ㸪Ᏻᐃⓗ࡟ධ⇕࡛ࡁࡓࡓࡵ࡛࠶ࡿࠋ୍᪉㸪 PV ࡢ㝿࡟ࡣ㸪࢔࣮ࢡ㍈୰ᚰ㒊࠿ࡽ㧗 㡿ᇦࡀ೫ྥࡋ㸪ධ⇕୙㊊ࡀ⏕ࡌࡓࡓࡵ࡛࠶ࡿࠋ㸲 ࡲ࡜ࡵ

ᮏ◊✲࡛ࡣ㸪㸱ḟඖ㟁☢⇕ὶయࢩ࣑࣮ࣗࣞࢩࣙࣥࢆ⏝࠸ࡓ஺ὶ☢⏺ࡀཬࡰࡍධ⇕㔞ࡢゎᯒࢆ⾜ࡗࡓࠋ⤖ᯝ࡜ࡋ࡚㸪஺ὶᶓ☢⏺ P7 ༳ຍ᫬࡟࠾࠸࡚㸪PV ࡢ㝿࡟㸪ẕᮦ࡬ࡢධ⇕㔞ࡀ᭱኱࡟࡞ࡗࡓࠋࡇࢀࡣ㸪. ௨ୖࡢ࢔࣮ࢡࡢ㧗㡿ᇦࡀẕᮦ࡛࠶ࡿ㝧ᴟ࡟ᑐࡋ࡚㸪┤❧ࡋ㸪Ᏻᐃⓗ࡟ධ⇕࡛ࡁࡓࡓࡵ࡛࠶ࡿࠋ
௨ୖࡼࡾ㸪࢔࣮ࢡ࡟ᑐࡋ࡚㸪஧᪉ྥ࠿ࡽࡢᶓ㢼௜ࡁ௜ࡅ᫬
࡟࠾࠸࡚㸪஺ὶᶓ☢⏺ࢆ༳ຍࡍࡿࡇ࡜࡛㸪࢔࣮ࢡࡢ೫ྥࡀᢚ
ไ࡛ࡁ㸪ẕᮦ࡟୚࠼ࡿධ⇕ࡀᏳᐃࡍࡿࡇ࡜ࡀ࡛ࡁࡿࠋ㸳 ཧ⪃ᩥ⊩  ┿ᰤ⏣⩏ྐ࣭ᒾᑿᚭ㸸ᶓ㢼྿௜᫬࡟࠾ࡅࡿ࢔࣮ࢡࡢ㍈᪉ྥ࢚ࣥࢱࣝࣆ࣮ࣇ࣮ࣟ࡟ཬࡰࡍ㝜ᴟ㏆ഐ࢔࣮ࢡࡢᅽຊ໙
㓄ࡢᐤ୚ 㟁ẼᏛ఍ㄽᩥㄅ % YRO 1R  㸦༳ๅ୰㸧  㓇஭ぬ࣭℧ᐶஅ࣭ᒾᑿᚭ࣭⏣௦┿୍࣭⏣୰Ꮫ࣭‫‮‬ᮏ㞞ᜨ㸸ᅗ  ୍࿘ᮇ࡟࠾ࡅࡿ஺ὶᶓ☢⏺༳ຍ᫬ࡢ

ࠕ࢞ࢫࢱࣥࢢࢫࢸࣥ࢔࣮ࢡ⁐᥋࡟࠾ࡅࡿ㟁ὶᐦᗘ࠾ࡼࡧ

ẕᮦ࡬ࡢධ⇕㔞

ὶ㏿ࡀཬࡰࡍ⁐⼥ụෆࡢ㥑ືຊኚ໬ࠖ 㟁ẼᏛ఍ㄽᩥㄅ
%9RO1RSS  㸦ඹྠ◊✲ศ㔝㸸࢚ࢿࣝࢠ࣮ไᚚᏛศ㔝㸧− 20 −

㸱ḟඖ㟁☢⇕ὶయࢩ࣑࣮ࣗࣞࢩࣙࣥࢆ⏝࠸ࡓ࢔࣮ࢡ⁐᥋࡟࠾ࡅࡿ㔠ᒓ⵨Ẽ⃰ᗘศᕸࡢゎ᫂ᮾி㒔ᕷ኱Ꮫ኱Ꮫ㝔 ⥲ྜ⌮ᕤᏛ◊✲⛉㥖஭ ඃ἞㸯 ࡣࡌࡵ࡟
㸰ࡘ௨ୖࡢ㔠ᒓࢆ᥋ྜࡍࡿᢏ⾡࡜ࡋ࡚㸪㧗㸪㧗࢚ࢿࣝࢠ࣮ᐦᗘ࡜࠸ࡗࡓ≉㛗ࢆࡶࡘ࢔࣮ࢡ⁐᥋ࡀ⏝࠸ࡽࢀ࡚࠸ࡿࠋ⁐᥋᫬࡟࠾࠸࡚㸪࢔࣮ࢡ࠿ࡽࡢධ⇕࡟ࡼࡗ࡚㸪ẕᮦࡀ⁐⼥ࡋ㸪⁐⼥ụ⾲㠃࠿ࡽ㔠ᒓ⵨ẼࡀⓎ⏕ࡍࡿࠋ㔠ᒓࡣ㞺ᅖẼ࢞ࢫ࡟ẚ࡭㸪㟁㞳㟁ᅽࡀᑠࡉ࠸ࡓࡵ㸪࢔࣮ࢡ࡬ࡢ㔠ᒓ⵨Ẽࡢΰධ࡟క࠸㸪ᑟ㟁⋡ࡸᨺᑕಀᩘࡀ㢧ⴭ࡟ቑຍࡍࡿࡇ࡜ࡀሗ࿌ࡉࢀ࡚࠸ࡿࠋࡇࡢ࢔࣮ࢡࡢ⇕ຊᏛ࣭㍺㏦࣭ᨺᑕ≉ᛶࡢኚ໬ࡣ㸪⁐⼥ᆅࡢᙧᡂ࡟኱ࡁࡃ㛵ࢃࡿࡓࡵ㸪㔠ᒓ⵨Ẽࡢΰධࢆ⪃៖ࡋࡓ⌧㇟ࡢゎ᫂ࡀ㐍ࡵࡽࢀ࡚࠸ࡿࠋࡋ࠿ࡋ㸪௚⪅࡟ࡼࡿゎᯒࡣ㸪㍈ᑐ⛠ᙧ࡛ࡢゎᯒࡀ୺ὶ࡛࠶ࡿࠋᐇ㝿ࡢ⁐᥋ࡣ㸪ࢺ࣮ࢳࢆື࠿ࡋ⁐᥋ࢆ⾜࠺ࡓࡵ㸪㸱ḟඖࡢィ⟬㡿ᇦࢆ⏝࠸ࡓゎᯒࡀồࡵࡽࢀࡿࠋ≉࡟㸪ࢺ࣮ࢳࡢ⛣ື࡟క࠸Ⓨ⏕ࡍࡿᶓ㢼ࢆ⪃៖ࡋࡓゎᯒࡀᚲせ࡜࡞ࡿࠋࡋ࠿ࡋ㸪㸱ḟඖࡢゎᯒ࡟ࡼࡿẕᮦࡢ⁐⼥࡟క࠺࢔࣮ࢡ࡬ࡢ㔠ᒓ⵨Ẽࡢΰධ࡟㛵ࡍࡿሗ࿌౛ࡣᑡ࡞࠸ࠋ௨ୖࡢ⫼ᬒࡢᇶ㸪ᮏ◊✲࡛ࡣ㸪㔠ᒓ⵨Ẽΰධ᫬ࡢ⁐⼥ụᙧᡂ࡬ࡢ▱ぢࡢ⋓ᚓ࡟ྥࡅ㸪㸱ḟඖ㟁☢⇕ὶయࢩ࣑࣮ࣗࣞࢩࣙࣥ࡟ࡼࡿ
ゎᯒࢆ⾜࠺ࠋලయⓗ࡟ࡣ㸪࢔࣮ࢡẕᮦ㛫࡟࠾ࡅࡿධ⇕㔞ࡢゎᯒࢆ⾜࠸㸪ᶓ㢼྿ࡁ௜ࡅ᫬࡟࠾ࡅࡿẕᮦ⾲㠃࠿ࡽⓎ⏕ࡍࡿ㔠ᒓ⵨Ẽࡢᣲືࢆゎᯒࡍࡿࠋ㸰 ィ⟬᪉ἲᮏ◊✲࡛ࡣ㸪㸱ḟඖ┤஺ᗙᶆ⣔ࡢ㝜ᴟ࡜࢔࣮ࢡ㸪㝧ᴟࢆ⤫ྜࡋࡓィ⟬ࣔࢹࣝࢆᵓ⠏ࡋ㸪ゎᯒࢆ⾜ࡗࡓࠋィ⟬㡿ᇦࡣ㸪; ᪉ྥ࡜ < ᪉ྥ࡟ PP㸪= ᪉ྥ࡟ PP ࡜ࡋࡓࠋ㟁ᴟ㛫㊥㞳ࡣ㸪PP㸪㟁※ࡣᐃ㟁ὶ※ࢆᶍᨃࡋ㸪㟁ὶࡣ $㸪ࣀࢬࣝෆᚄࡣ PP㸪㝜ᴟ✺ࡁฟࡋ㛗ࡉࡣ PP㸪ࢩ࣮ࣝࢻ࢞ࢫὶ㔞ࡣ /PLQ㸪ᅽຊࡣ
03D ࡜ࡋࡓࠋ᭦࡟㸪㝜ᴟᚄࡣ PP㸪㝜ᴟඛ➃ゅᗘࡣ r࡛タᐃࡋࡓࠋẕᮦ࡛࠶ࡿ㝧ᴟࡣ 686㸪㝜ᴟࡣࢱࣥࢢࢫࢸࣥ࡜ࡋࡓࠋ㞺ᅖẼ࢞ࢫࡢ࢞ࢫ✀ࡣ࢔ࣝࢦࣥ࡜ࡋࡓࠋ;= ᖹ㠃㸦\   PP㸧ࡢ㝧ᴟ⾲㠃ୖ࠿ࡽᖜPP㧗ࡉ PP ࡢ┤஺㢼ࣀࢬࣝ㠃ࢆタᐃࡋ㸪ࡇࡢ㠃࠿ࡽ࢔࣮ࢡ࡟ᑐࡋ࡚┤஺ࡍࡿὶ㏿ࢆ୚࠼ࡿࡇ࡜࡛ᶓ
㢼ࡢᶍᨃࢆ⾜ࡗࡓࠋᶓ㢼ὶ㏿ vL ࡣ㸪㸪PV ࡛タᐃࡋࡓࠋࡲࡓ㸪ᮏィ⟬࡛ࡣ㸪ᒁᡤ⇕ᖹ⾮㸪ᒙὶࢆ௬ᐃࡋ㸪ࢩ࣮ࢫ⌧㇟ࡣ⪃៖ࡋ࡞࠸ࠋẕᮦ⾲㠃࠿ࡽࡢ㔠ᒓ⵨ẼࡢⓎ⏕ࢆᶍᨃࡍࡿࡓࡵ㸪⁐⼥ụࡢ⾲㠃ᗘࡼࡾ㣬࿴⵨Ẽᅽࢆồࡵ㸪㕲⵨Ẽࡢ⃰ᗘࢆ⟬ฟࡋࡓࠋ㕲⵨Ẽࡢᣲືࡣ⛣ὶᣑᩓ᪉⛬ᘧ࡟ࡼࡾ᫂ࡽ࠿࡟ࡋࡓࠋ௨ୗ࡟⏝࠸ࡓᘧࢆ♧ࡍࠋ࡞࠾㸪ᮏィ⟬࡛ࡣ㸪ᶓ㢼 PV ࡛ࡢᐃᖖィ⟬࡟ࡼࡗ࡚ᚓࡽࢀࡓึᮇ್ࢆᇶ࡟㸪㠀ᐃᖖゎᯒࢆ⾜ࡗࡓࠋ$U㸪$U)H ࡢ≀ᛶ್ࡣ㸪 ᗘ㡿ᇦࡀ a. ࡢ⇕ຊᏛ࣭㍺㏦࣭ᨺᑕ≉ᛶࢆ࠶ࡽ࠿ࡌࡵồࡵ㸪ࡇࡢ≀ᛶ್ࢆィ⟬࡟⤌ࡳ㎸ࡴࡇ࡜࡛㸪㕲⵨Ẽࡢΰධ࡟క࠺࢔࣮ࢡᨺ㟁ࡢ≉ᛶࢆ෌⌧ࡋࡓࠋ


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Uሻ  Uሻ 
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¥ ͳȀMArͳȀMFe 
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  U ȕ Ș M`
Ar ȘAr MAr
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UFeMFe
UFeMFe patm pv MAr     ࡇࡇ࡛㸪Uࡣ㉁㔞ᐦᗘ㸪u㸪v㸪㹵ࡣ ;㸪<㸪= ࡢ᪉ྥࡢὶ㏿㸪C ࡣ㕲⵨Ẽ⃰ᗘ㸪D ࡣᣑᩓಀᩘ㸪M ࡣศᏊ㔞㸪ȕ 㸪Șࡣ⢓ᛶ⋡㸪Patm ࡣ኱Ẽᅽ㸪Pv ࡣ㕲ࡢ㣬࿴⵨Ẽᅽࢆ♧ࡍࠋ㸱 ⤖ᯝ࠾ࡼࡧ᳨ウᅗ  ࡟㸪t PV ࡟࠾ࡅࡿᶓ㢼྿ࡁ௜ࡅ᫬ࡢ

ᗘศᕸࢆ♧ࡍࠋᶓ㢼ࡢ྿௜ࡅ࡟క࠸㸪㢼ୗ᪉ྥ࡬࢔࣮ࢡࡢ⇕ࡀ㍺㏦ࡉࢀ࡚࠸ࡿࡇ࡜ࢆ☜ㄆࡋࡓࠋࡋ࠿ࡋ㸪⁐⼥ᆅ࡟╔┠ࡍࡿ࡜㸪࢔࣮ࢡࡢ೫ྥ࡟ᑐࡋ࡚㸪୍ᵝ࡞− 21 −ᗘศᕸD PV                                           E PVᅗ t PV ࡟࠾ࡅࡿᶓ㢼྿ࡁ௜ࡅ᫬ࡢ ᗘศᕸD PV                                           E PVᅗ t PV ࡟࠾ࡅࡿᶓ㢼྿ࡁ௜ࡅ᫬ࡢ㕲⵨Ẽ⃰ᗘศᕸࡀᙧᡂࡉࢀࡓࠋࡇࢀࡣ㸪࢔࣮ࢡࡀ೫ྥࡍࡿ᫬㛫࡟ᑐࡋ࡚㸪ධ⇕᫬㛫ࡀ୙༑ศ࡛࠶ࡿࡓࡵ㸪⁐⼥ᆅࡢᗘศᕸࡣ㸪኱ࡁ࡞ኚ໬ࡣ♧ࡉ࡞࠿ࡗࡓ࡜♧၀ࡉࢀࡿࠋᅗ  ࡟㸪t PV ࡟࠾ࡅࡿᶓ㢼྿ࡁ௜ࡅ᫬ࡢ㕲⵨Ẽ⃰ᗘศᕸࢆ♧ࡍࠋ⁐⼥ᆅ⾲㠃ࡢᗘࡢୖ᪼࡟క࠸㸪㕲⵨ẼࡀⓎ⏕ࡋ࡚࠸ࡿࡇ࡜ࢆ☜ㄆࡋࡓࠋࡲࡓ㸪㕲⵨Ẽࡶྠᵝ࡟㢼ୗ᪉ྥ࡬࡜㍺㏦ࡉࢀࡓࠋ㸲 ࡲ࡜ࡵ ᮏ◊✲࡛ࡣ㸪㸱ḟඖ㟁☢⇕ὶయࢩ࣑࣮ࣗࣞࢩࣙࣥࢆ⏝࠸ࡓ࢔࣮ࢡ⁐᥋࡟࠾ࡅࡿ㔠ᒓ⵨Ẽ⃰ᗘศᕸࡢゎ᫂ࢆ⾜ࡗࡓࠋ⤖ᯝ࡜ࡋ࡚㸪ᶓ㢼࡟క࠺࢔࣮ࢡࡢ

ᗘศᕸࡢ೫ྥ࡜㕲⵨Ẽࡢ㢼ୗ᪉ྥ࡬ࡢ㍺㏦ࢆ☜ㄆࡍࡿࡇ࡜ࡀ࡛

ࡁࡓࠋ 
௨ୖࡼࡾ㸪㸱ḟඖ㟁☢⇕ὶయࢩ࣑࣮ࣗࣞࢩࣙࣥࢆ⏝࠸ࡓ࢔࣮ࢡ⁐᥋࡟࠾ࡅࡿ㔠ᒓ⵨Ẽ⃰ᗘศᕸࡢゎ᫂ࢆ⾜࠺ࡇ࡜ࡀ࡛ࡁࡓࠋ
㸦ඹྠ◊✲ศ㔝㸸࢚ࢿࣝࢠ࣮ไᚚᏛศ㔝㸧− 22 −

࢔࣮ࢡࣉࣛࢬ࣐ࡢⓎ⏕࡜ไᚚ࠾ࡼࡧᮦᩱࣉࣟࢭࢫ࡬ࡢᛂ⏝ 㕲➽ᅽ᥋࡬ࡢ⁐⼥ụ☢Ẽไᚚ࢔࣮ࢡ⁐᥋ἲࡢ㐺⏝࡟㛵ࡍࡿ◊✲Ἀ⦖┴ᕤᴗᢏ⾡ࢭࣥࢱ࣮ ᶵᲔ࣭㔠ᒓ⌜Ჴཎ 㟹 ┠ⓗ࢔࣮ࢡࡀᣢ⥆Ⓨ⏕ࡍࡿ㊥㞳ࡲ࡛⛣ືࡉࡏ࡚⾜ࡗࡓ㸬Ἀ⦖┴ෆࡢᘓタ⌧ሙ࡛ᗈࡃ⾜ࢃࢀ࡚࠸ࡿ㕲➽ࡢ᥋࢔࣮ࢡࡢほᐹ࡟ࡣ㸪㧗㏿ᗘࣅࢹ࣓࢜࢝ࣛ

ྜ࡛ࡣ㸪ᚑ᮶ࡢ࢞ࢫᅽ᥋࡟᭰ࢃࡿ᥋ྜἲ࡜ࡋ࡚㸪ᡭ

㸦FANTOM V311 ओࣀࣅࢸࢵࢡ㸧ࢆ౑⏝ࡋࡓ㸬㸦ᅗ⁐᥋⏝ࡢ⁐᥋㟁※ࢆ౑⏝ࡋࡓ㟁Ẽᅽ᥋࡟ࡼࡿ᪋ᕤࡶ㸰ཧ↷㸧ヨࡳࡽࢀ࡚࠸ࡿ㸬㧗㟁ὶ※ࢆ⏝࠸ࡓ࢔ࢵࣉࢭࢵࢺᅽ

☢໬ࢥ࢖ࣝࡣࢥࡢᏐᆺࡢ㌾㗰ᛶ࣮ࣚࢡ࡟ȭ20㹫㹫᥋࡜ࡣ␗࡞ࡾ㸪ᡭ⁐᥋⏝ࡢ⁐᥋㟁※ࡣ⁐᥋㟁ὶࡀᑡࡢ㕲ᚰࢆྲྀࡾ௜ࡅࡑࡢ࿘ࡾ࡟⪏⇕⿕そ㖡⥺ࢆྛࠎ࡞࠸ࡇ࡜࠿ࡽ㸪᢬ᢠⓎ⇕ࡀᮇᚅ࡛ࡁ࡞࠸ࡓࡵ㸪࢔࣮

160 ᅇᕳࡁࡘࡅ࡚࠸ࡿ㸬 ☢໬ࢥ࢖ࣝ࡟ࡣ㸪Ᏻᐃ໬㟁

ࢡࢆⓎ⏕ࡉࡏ࡚⁐⼥᥋ྜࡍࡿᚲせࡀ࠶ࡿ㸬ࡋ࠿ࡋ࡞※ࡀ᥋⥆ࡋ࡚࠶ࡾ㸪௵ពࡢ☢ሙࢆⓎ⏕ࡍࡿࡇ࡜ࡀྍ

ࡀࡽ㸪࢔࣮ࢡࡢⓎ⏕ࡀ୙Ᏻᐃ࡛࠶ࡾ㸪࢞ࢫᅽ᥋࡟ẚ⬟࡛࠶ࡿ㸬࡭ᮍࡔⰋዲ࡞᥋ྜࡀ⾜࠼࡚࠸࡞࠸ࡢࡀ⌧≧࡛࠶ࡿ㸬ᮏ◊✲࡛ࡣ⁐⼥ụ☢Ẽไᚚ࢔࣮ࢡ⁐᥋ἲ㸦௨ୗ㸪
(&03㸧ࢆ㟁Ẽᅽ᥋᫬ࡢ࢔࣮ࢡไᚚ࡟㐺⏝ࡍࡿࡇ࡜࡛㸪పᐜ㔞ࡢ⁐᥋㟁※࡛ࡶᏳᐃࡋ࡚㕲➽ࡢ᥋ྜࡀྍ⬟࡞⁐᥋᮲௳ࡢ᥈⣴ࢆ┠ⓗ࡜ࡋ࡚࠸ࡿ
᫖ᖺᗘࡢ஺ὶ☢ሙࡢ௜୚ࡸ㞺ᅖẼ୰࡟࠾ࡅࡿᐇ㦂࡟࠾࠸࡚࢔࣮ࢡࡢᣢ⥆᫬㛫࡟୍ᐃࡢຠᯝࡀࡳࡽࢀ
ࡓࡶࡢࡢ᥋ྜࡍࡿࡲ࡛࡟ࡣ⮳ࡽ࡞࠿ࡗࡓࡓࡵ㸪ᮏᖺ
ᗘࡣ$9& ⿦⨨ࢆ฼⏝ࡋ࡚࢔࣮ࢡࡢᣢ⥆᫬㛫࡟ࡘ࠸᳨࡚ウࢆ⾜ࡗࡓ㸬ᅗ  ᐇ㦂⿦⨨ࡢᴫ␎ᅗ ᐇ㦂᪉ἲ⾲  ᐇ㦂᮲௳ᅗ㸯࡟ᐇ㦂⿦⨨ࡢᴫ␎ᅗࢆ♧ࡍ. ᥋ྜ᪉ྥ࡟ᑐࡋ
࡚ᆶ┤㸦X ㍈㸧᪉ྥ࡟☢ሙࢆ௜୚ࡍࡿ࡜㸪ヨ㦂∦࡟⁐᥋㟁ὶ㸪>$@ὶࢀࡿ㟁ὶ࡟࿧ᛂࡋ࡚☢ሙ᪉ྥ࡟ᆶ┤㸦Y ㍈㸧࡞㟁஺ὶ࿘Ἴᩘ

>+]@☢ຊࡀⓎ⏕ࡍࡿ㸬ࡇࡢ㟁☢ຊ࡟ࡼࡗ࡚☢Ẽ྿ࡁ⌧㇟☢᮰ᐦᗘ㸪㸪>P7@ࡀ㉳ࡁࡿࡀ㸪ヨ㦂∦ࡢ㟁ὶࡣ஺ὶ࡛࠶ࡿࡓࡵ㟁☢ຊ

$9& 㟁ᅽ

>9@

᪉ྥࡀ஺஫࡟ኚ໬ࡋ㸪⤖ᯝⓗ࡟࢔࣮ࢡࡶᙉไⓗ࡟஺஫࡟೫ྥࡍࡿ㸬ࡇࡢ࢔࣮ࢡࡢ೫ගࢆ✚ᴟⓗ࡟ά⏝ࡍࡿࡇ࡜࡛㸪࢔࣮ࢡⓎ⏕᫬㛫ࢆᣢ⥆ࡉࡏࡿࡇ࡜ࢆ┠ⓗ࡜ࡋ࡚࠸ࡿ㸬ࡲࡓ㸪ୖഃࡢヨ㦂∦࡟ࡣ AVC ⿦⨨ࢆ᥋⥆ࡋ࡚࠾ࡾ㸪⁐⼥㔠ᒓࡀ▷⤡ࡋ㸪࢔࣮ࢡࡀᾘᘼࡋࡓ
㝿࡟ࡣ㸪㟁ᅽࡢኚ໬࡟క࠸㛫㝸ࢆᗈࡆࡿࡼ࠺࡟స⏝ࡍࡿࡇ࡜࠿ࡽ࢔࣮ࢡࡢ෌Ⅼᘼࡀᮇᚅ࡛ࡁࡿ㸬ヨ㦂∦࡟ࡣ᥋ྜ≧ἣࢆほᐹࡋࡸࡍࡃࡍࡿࡓࡵ┤ᚄ
20㹫㹫Ⅳ⣲㗰㸦SS400㸧ࢆ⏝࠸㸪⾲ 1 ࡟♧ࡍᐇ㦂᮲௳࡛⁐᥋ᐇ㦂ࢆ⾜ࡗࡓ㸬࢔࣮ࢡࡢⅬᘼ࡟㝿ࡋ࡚ࡣ㸪୍ᗘ▷⤡ࡉࡏࡓᚋ࡟㸪ᅗ  ᐇ㦂⿦⨨෗┿

− 23 −

 ᐇ㦂⤖ᯝ ᅗ  ࡟⁐᥋㟁ὶ >$@㸪☢᮰ᐦᗘ >P7@ࡢ☢ሙࢆ୚࠼ࡓሙྜࡢ࢔࣮ࢡⓎ⏕᫬ࡢ㟼Ṇ⏬ࢆ♧ࡍ㸬࢔࣮
ࢡࡢⅬᘼ࠿ࡽ⁐⼥㔠ᒓࡢ▷⤡࡟క࠺ᾘᘼ㸪࡞ࡽࡧ࡟࢔࣮ࢡࡢ෌Ⅼᘼࡲ࡛ࡢ୍㐃ࡢὶࢀࢆ♧ࡋ࡚࠸ࡿ㸬෗┿ E ࡼࡾ࢔࣮ࢡᾘᘼᚋ㸪⁐⼥㔠ᒓࡢ▷⤡ࡀぢࡽࢀࡿࡀ㸪$9& ⿦⨨࡟ࡼࡾ㟁ᅽࡢኚ໬࡟ᛂࡌ࡚᥋ྜ㒊ࡢ㛫㝸ࡀᗈࡆࡽࢀࡿࡇ࡜࡛㸪෗┿ F ࡢࡼ࠺࡟▷⤡⟠ᡤࡀᚎࠎ࡟⦰ᑠࡋ㸪▷⤡⟠ᡤࡀᾘኻࡍࡿ࡜෗┿ G ࡢࡼ࠺࡟㸪෌ᗘ࢔࣮ࢡࡀⅬᘼࡋࡓ㸬▷⤡᫬㛫ࡣ㸪㛗࠸࡜ࡁ࡛⣙ >PV@⛬ᗘ࠶ࡾ㸪࢔࣮ࢡࡀ࿘ᅇࡍࡿ᫬㛫ࡼࡾࡶ㛗ࡃᾘᘼࡋ࡚࠸ࡿ࡟ࡶ࠿࠿ࢃࡽࡎ㸪෌Ⅼᘼ࡛ࡁࡓࡇ࡜࠿ࡽ $9& ⿦⨨ࡀຠᯝⓗ࡟స⏝ࡋ࡚࠸ࡿࡇ࡜
ࡀ☜ㄆࡉࢀࡓ㸬ࡲࡓ㸪࢔࣮ࢡࡣヨ㦂∦ࡢ࿘ᅖࢆᅇࡿࡼ࠺࡟Ⓨ⏕ࡋ࡚࠾ࡾ㸪ࡑࡢ࿘ᅇ᫬㛫ࡣ᫖ᖺྠᵝ㸪☢ሙࢆ୚࠼࡞࠸
ሙྜ࡜ẚ㍑ࡋ࡚▷⦰ࡋ࡚࠸ࡿࡇ࡜ࡶほᐹࡉࢀࡓ㸬ᅗ  ࡟ࡣᐇ㦂⤊஢ᚋࡢヨ㦂∦➃㠃ࡢ⁐⼥≧ἣࢆ♧ࡍ㸬⁐᥋㟁ὶ >$@࡟࠾ࡅࡿ⁐⼥≧ἣࢆ☢ሙࡢ᭷↓࡛ẚ㍑ࡍࡿ࡜㸪☢ሙࢆ୚࠼࡞࠸ሙྜࡣ㸪ᮍ⁐⼥㒊ࡀᏑᅾࡍࡿࡢ࡟ᑐࡋ㸪>P7@ࡢ☢ሙࢆ୚࠼ࡓሙྜ࡟ࡣ㸪ᅗ  ࢔࣮ࢡࡢⓎ⏕≧ἣ㸦>$@㸪>P7@㸧ᮍ⁐⼥㒊ࡀῶᑡࡋ㸪ヨ㦂∦඲࿘࡟ࢃࡓࡗ࡚⁐⼥ࡋ࡚ ⤖ㄽ

࠸ࡿࡢࡀほᐹࡉࢀࡓ㸬>P7@ࡢ☢ሙࢆ୚࠼ࡓሙྜ
ࡶྠᵝ࡟඲࿘࡟ࢃࡓࡗ࡚⁐⼥ࡋ࡚࠸ࡿࡢࡀほᐹࡉࢀ㕲➽ࡢ㟁Ẽᅽ᥋᫬࡟࠾࠸࡚㸪$9& ⿦⨨࡜☢ሙࢆేࡓࡀ㸪☢ሙࡢᙉᗘࡢᕪࡣ࡯࡜ࢇ࡝ぢࡽࢀ࡞࠿ࡗࡓ㸬⏝ࡍࡿࡇ࡜࡛࢔࣮ࢡࡢⓎ⏕᫬㛫ࡢᣢ⥆࡜⁐⼥⟠ᡤࡢᅗ  ࡢ⁐᥋㟁ὶ >$@࡟࠾ࡅࡿ⤖ᯝ࡛ࡣ㸪⁐᥋㟁ὶᣑ኱ࡀᅗࢀࡓࡇ࡜࠿ࡽ㸪㟁※ᐜ㔞ࡢᑠࡉ࠸⁐᥋ᶵ࡛ࡢቑຍ࡟క࠸⁐⼥㒊ศࡶᣑ኱ࡋ࡚࠸ࡿࡶࡢࡢ㸪☢ሙࡶ᥋ྜࡀ⾜࠼ࡿྍ⬟ᛶࡀ࠶ࡿࡇ࡜ࡀศ࠿ࡗࡓ㸬௒ᚋࡣ㸪ࢩ࣮ࣝࢻ࢞ࢫ࡞࡝ࢆ⤌ࡳྜࢃࡏ࡚Ᏻᐃࡋ

ࡢ᭷↓࡟ࡼࡿ⁐⼥≧ἣࡢഴྥࡣྠᵝ࡛࠶ࡗࡓࡇ࡜࠿

ࡓ᥋ྜࡀྍ⬟࡞⁐᥋᮲௳ࢆぢฟࡋ࡚࠸ࡁࡓ࠸㸬ࡽ㸪$9& ⿦⨨࡜☢ሙࢆే⏝ࡍࡿࡇ࡜࡛㸪࢔࣮ࢡࡢⓎ⏕᫬㛫ࢆᣢ⥆ࡉࡏ㸪⁐⼥⟠ᡤࢆ඲࿘࡟ࢃࡓࡗ࡚ᣑ኱

ᮍ⁐⼥㒊ࡉࡏࡿຠᯝࢆ☜ㄆ࡛ࡁࡓ㸬ᮍ⁐⼥㒊ᅗ  ᥋ྜ㠃ࡢ⁐⼥≧ἣ㸦⁐᥋㟁ὶ >$@㸧ᅗ  ᥋ྜ㠃ࡢ⁐⼥≧ἣ㸦⁐᥋㟁ὶ >$@㸧㸦ඹྠ◊✲ศ㔝㸸࢚ࢿࣝࢠ࣮ไᚚᏛศ㔝㸧− 24 −

㻌ᴟⷧᯈ䛾❧ྥୖ㐍⁐᥋䛻㛵䛩䜛◊✲㻌㻌 ⇃ᮏ኱Ꮫ㻌 ඛ➃⛉Ꮫ◊✲㒊㻌
ᑎᓮ⚽⣖㻌
㻌
⥴ㄽ
⁐᥋୰࡟⁐᥋ጼໃࡀኚ໬ࡍࡿࡇ࡜ࡀ࠶ࡿࠋ඲ጼໃ⁐᥋࡞࡝ୗྥጼໃ௨እࡀ኱㒊ศࢆ༨ࡵࡿࡇ࡜ࡶ࠶ࡿࠋࡇࡢ඲
ጼໃ⁐᥋ࢆᵓᡂࡍࡿࡶࡢࡢෆࠊ❧ྥୖ㐍⁐᥋ࡣⷧᯈ࡟ࡣ㐺ࡋ࡚࠸࡞࠸࡜ࡉࢀ࡚࠸ࡓࠋ)LJ ࡟❧ྥୖ㐍⁐᥋ࡢࣔࢹࣝᅗࢆ♧ࡍࠋ)LJ ࠿ࡽࢃ࠿ࡿ㏻ࡾࠊධ⇕㐣኱࡟ࡼࡾ⁐⼥ᆅࡀ኱ࡁࡃ࡞ࡗࡓ᫬ࠊ⁐⼥ᆅࡀ㔜ຊ࡟ࡼࡗ࡚ᆶࢀୗ
ࡀࡾ㐺ษ࡞⁐᥋ࡀ⾜࠼࡞ࡃ࡞ࡗ࡚ࡋࡲ࠺࠿ࡽ࡛࠶ࡿࠋࡲࡓࠊⷧᯈࡢኚᙧࡸ✰㛤ࡁࠊ⁐ࡅⴠࡕ࡜࠸ࡗࡓၥ㢟ࡶ࠶ࡗࡓࠋࡇࡢၥ㢟ࢆゎỴࡋࡓࡢࡀ⊃✽ࣀࢬࣝࢆ⏝࠸ࡓࢸ࢕ࢢ⁐᥋࡛࠶ࡿࠋ)LJ ࡟⊃✽ࣀࢬࣝࢆ♧ࡍࠋ⊃✽ࣀࢬࣝࢆ⏝࠸ࡓࢸ࢕ࢢ⁐᥋࡛ᚓࡽࢀࡓᴟⷧᯈࡢ⥅ᡭ࡟ᑐࡋ࡚㠀◚ቯ᳨ᰝࢆ⾜ࡗ࡚ࡶෆ㒊ࡢḞ㝗ࢆⓎぢࡍࡿࡢࡀᅔ㞴࡛࠶ࡿ࡜⪃࠼ࡽࢀࡿࠋࡑࡇ࡛ࠊᮏ◊✲࡛ࡣ⁐᥋㒊ࡢ᩿㠃ࢆ 6(0 ➼࡟ࡼࡗ࡚┤᥋ほᐹࡍࡿࡇ࡜࡛Ḟ㝗ࡢ᭷↓ࡸࡑࡢ✀㢮ࢆㄪᰝࡋࠊ⊃✽ࣀࢬࣝࢆ⏝࠸ࡓࢸ࢕ࢢ⁐᥋࡟ࡼࡿ❧ྥୖ㐍⁐᥋࡛ᚓࡽࢀࡓ⥅ᡭࢆホ౯ࡍࡿࡇ࡜ࢆ┠ⓗ࡜ࡍࡿࠋ
ᐇ㦂᪉ἲ ᮏ◊✲࡛⏝࠸ࡿヨᩱࡣ 66 ࡜ 686 ࢆ⤌ࡳྜࢃࡏࡓࡶࡢ࡛࠶ࡿࠋ⁐᥋᪉ἲࡣ⊃✽ࣀࢬࣝ⏝࠸ࡓࢸ࢕ࢢ⁐᥋࡟ࡼࡗ࡚❧ྥୖ㐍⁐᥋ࢆᐇ⾜ࡋࡓࠋྛヨᩱࡢᮦᩱࡢ⤌ࡳྜࢃࡏࢆ 7DEOH ࡟ࠊ㟁ὶ್ࢆኚ໬ࡉࡏࡓྛ⁐᥋᮲௳ࢆ
7DEOH ࡟♧ࡍࠋ⁐᥋㒊ࡢ᩿㠃࡟ᑐࡋ 6(0 ほᐹࠊ(%6' ゎᯒࠊ(30$ ほᐹࢆ⾜ࡗࡓࠋᐇ㦂⤖ᯝཬࡧ⪃ᐹ ௨ୗ࡟ᐇ㦂⤖ᯝࢆ♧ࡍࡀࠊᅗࡢ୰ࡢ㉥ࡢⅬ⥺ࡣࡍ࡭࡚✺ྜࡏ఩⨨ࢆ⾲ࡍࠋࡲࡓࠊ6668666686 ࡟ࡘ࠸࡚ࡣ
ᅗࡢᕥഃࡀ 686ࠊྑഃࡀ 66 ࡛࠶ࡿࠋ
)LJ ࡟ྛヨᩱࡢ ,4 ࣐ࢵࣉࢆ♧ࡍࠋ66686 ࡜ࡶ࡟๭ࢀ࡞࡝ࡢḞ㝗ࡣ࡞࠿ࡗࡓࠋ66686 ࡣᮦᩱࡢΰࡊ
ࡾ᪉ࡀ୙ᆒ୍࡛㯮࠸ᙳࡀぢ࠼ࡿࠋ66686 ࡣᮦᩱࡀᆒ୍࡟ΰࡊࡾࠊ㯮࠸ᙳࡣ࡯࡜ࢇ࡝࡞࠸ࠋࡲࡓࠊࡇࢀࡽࡢ㯮࠸ᙳࡣ࠸ࡎࢀࡶ෇ᙧ࡛࠶ࡗࡓࠋ)LJ ࡟ 66686 ࡜ 66686 ࡢඖ⣲ศᯒ⤖ᯝࢆ♧ࡍࠋ)LJ ࠿ࡽࠊ)LJ ࡜ྠᵝ࡟66686 ࡢ᪉ࡀᮦᩱࡀᆒ୍࡟ΰࡊࡗ࡚࠸ࡿࡇ࡜ࡀศ࠿ࡿࠋ)LJ ࡟ 66686 ࡢ㯮࠸ᙳࡢෆ㒊ࡢ 6(0 ᅗ࡜ඖ⣲ศᯒ⤖ᯝࢆ♧ࡍࠋᙳࡢෆ㒊ࡣつ๎ṇࡋ࠸Ἴᶍᵝࡀぢࡽࢀࡿࠋࡲࡓࠊෆ㒊ࡢඖ⣲ࡣ )H ௨እࡣ࡯࡜ࢇ࡝Ꮡᅾࡋ࡚࠸࡞࠿
ࡗࡓࠋ௨ୖ࠿ࡽࡇࢀࡣࣈ࣮࣮࡛ࣟ࣍ࣝ࠶ࡿ࡜࠸࠼ࡿࠋྠࡌ␗ᮦ⁐᥋࡛࠶ࡗ࡚ࡶ 66686 ࡛ࡣ࡯࡜ࢇ࡝Ⓨ⏕ࡋ࡚࠸࡞࠸ࡀࠊ66686 ࡟ࡣከࡃⓎ⏕ࡋ࡚࠸ࡿࠋ᮲௳  ࡢ᪉ࡀ᮲௳  ࡼࡾࡶධ⇕ࡀ㧗ࡃࠊᮦᩱࡀᆒ୍࡟ΰࡊࡗ࡚࠸ࡓࡇ
࡜ࡶేࡏ࡚⪃࠼ࡿ࡜ࠊ㐺ษ࡞ධ⇕࡟ࡼࡗ࡚ࣈ࣮࣮ࣟ࣍ࣝࢆᢚไ࡛ࡁࡓ࡜⪃࠼ࡽࢀࡿࠋ⤖ゝ⁐᥋㒊ࡢ᩿㠃ほᐹ࡟ࡼࡾ௨ୗࡢ⤖ゝࢆᚓࡓࠋ㸸  ྠᮦ࠿ࡘྠཌࡢ⁐᥋࡟࠾࠸࡚ࠊ๭ࢀ࡞࡝ࡢḞ㝗࡞࡝ࡣ࡞ࡃࠊᴟ
ⷧᯈ࡛࠶ࡗ࡚ࡶၥ㢟࡞ࡃ❧ྥୖ㐍⁐᥋ࢆ⾜࠼࡚࠸ࡿࠋ  ␗ᮦ࠿ࡘ␗ཌࡢ⁐᥋࡟࠾࠸࡚ࠊపධ⇕࡛ࡣࣈ࣮࣮ࣟ࣍
ࣝࡸᮦᩱࡢ୙ᆒ୍࡞ΰྜࡀⓎ⏕ࡍࡿࡀࠊ㐺ษ࡞ධ⇕⟶⌮࡟ࡼࡗ࡚ᴟⷧᯈࡢ❧ྥୖ㐍⁐᥋ࡀྍ⬟࡛࠶ࡿࠋ  ⊃✽ࣀࢬࣝࢆ⏝࠸ࡓࢸ࢕ࢢ⁐᥋࡟ࡼࡗ࡚୙せ࡞ධ⇕ࢆ㜵ࡂࠊⷧᯈࡢኚᙧࡸ❧ྥୖ㐍⁐᥋࡛㉳ࡁࡸࡍ࠸✰㛤ࡁࠊ⁐ࡅⴠࡕ࡜࠸ࡗࡓධ⇕㐣኱⏤᮶ࡢḞ㝗ࢆ㜵ࡄࡇ࡜࡟ᡂຌࡋ࡚࠸ࡿࠋྠ᫬࡟ࠊධ⇕ᐦᗘࡢྥୖ࡟ࡼࡾ⼥ྜ୙Ⰻࡸ⁐ࡅ㎸ࡳ୙Ⰻ࡜࠸ࡗࡓධ⇕୙㊊ࡀཎᅉࡢḞ㝗ࡀⓎ⏕ࡋ࡞࠸⛬ᗘࡢධ⇕ࢆ☜ಖࡍࡿࡇ࡜࡟ᡂຌࡋ࡚࠸ࡿࠋ
− 25 −

㻌

)LJ❧ྥୖ㐍⁐᥋

)LJ⊃✽ࣀࢬࣝ>@

7DEOHヨᩱ

7DEOH⁐᥋᮲௳)LJྛヨᩱࡢ ,4 ࣐ࢵࣉ

)LJ␗ᮦ⁐᥋ࡢඖ⣲ศᯒ⤖ᯝ &U ศᕸ 

)LJࣈ࣮࣮ࣟ࣍ࣝほᐹᕥ6(0 ᅗྑෆ㒊ࡢඖ⣲ศᯒ ཧ⪃ᩥ⊩>@ ᮧ⏣ᙲஂࠊ⊃✽ࣀࢬࣝཬࡧࡇࢀࢆ⏝࠸ࡓ 7,* ⁐᥋⏝ࢺ࣮ࢳࠊ≉㛤 ࠊ
ʤ‫ڠ‬ಋ‫ڂݜ‬෾໼ʁΦϋϩάʖ੏‫ָޜ‬෾໼ʥ− 26 −

7,* ࢔࣮ࢡ⁐᥋࡟࠾ࡅࡿᅇ㌿ᶓ☢⏺༳ຍࢆᶍᨃࡋࡓ㸱ḟඖ㟁☢⇕ὶయࢩ࣑࣮ࣗࣞࢩࣙࣥࡢ㛤Ⓨᮾி㒔ᕷ኱Ꮫ ኱Ꮫ㝔 ⥲ྜ⌮ᕤᏛ◊✲⛉す⃝ ⩧ஓ
㸯㸬ࡣࡌࡵ࡟
7,*㸦7XQJVWHQ,QHUW*DV㸧࢔࣮ࢡ⁐᥋ࡣ㸪ᖜᗈ࠸㔠ᒓ࡟㐺ᛂྍ⬟࡛࠶ࡿࠋࡇࡢࡇ࡜࠿ࡽᖜᗈ࠸ศ㔝࡛౑⏝ࡉࢀ㸪ಙ㢗ᛶࡀᚲせ࡞ࣉࣛࣥࢺࡢ㓄⟶ࡸཎᏊ⅔࡞࡝ࡢ㔠ᒓࡢ᥋ྜᢏ⾡࡜ࡋ࡚⏝࠸ࡽࢀ࡚࠸ࡿࠋࡋ࠿ࡋ㸪㟁ᴟಖㆤࡢࡓࡵᑠ㟁ὶࢆ⏝࠸ࡿࡇ࡜࠿ࡽ㸪࢔࣮ࢡෆࡢὶ㏿ࡀᑠࡉࡃ࡞ࡾ㸪࢔࣮ࢡࡀእ஘࡟ࡼࡗ࡚೫ྥࡋࡸࡍࡃ࡞ࡿࠋ
ࡇࡢࡓࡵ㸪࢔࣮ࢡ೫ྥ࡟ࡼࡗ࡚ẕᮦ࡬ࡢධ⇕ࡀᏳᐃࡏࡎ㸪⁐᥋Ḟ㝗ࡀ⏕ࡌࡿ࡜࠸࠺ၥ㢟ࡀ࠶ࡿࠋࡇࡢᨵၿ᪉
ἲ࡜ࡋ࡚㸪࢔࣮ࢡ࡟☢⏺ࢆ༳ຍࡍࡿ᪉ἲࡀᥦ᱌ࡉࢀ࡚࠸ࡿࠋࡋ࠿ࡋ㸪ࡇࡢ᪉ἲ࡛ࡣᶓ㢼ࡢ࣋ࢡࢺࣝࡸ⁐᥋㟁ὶࡢ኱ࡁࡉ࡟ࡼࡾ㸪☢⏺ࡢ࣋ࢡࢺࣝࢆᖖ࡟ኚ໬ࡉࡏ࡞ࡃ࡚ࡣ࡞ࡽࡎ㸪ィ⣔ཬࡧไᚚ⣔ࡀ」㞧࡟࡞ࡿ࡜࠸࠺

ၥ㢟ࡀ࠶ࡿࠋࡇࡢࡓࡵ➹⪅ࡽࡣ㸪඲᪉ྥ࠿ࡽ☢⏺ࢆ༳ຍ࡛ࡁࡿᅇ㌿ᶓ☢⏺ࢆ༳ຍࡍࡿࡇ࡜ࢆᥦ᱌ࡋ࡚ࡁࡓࠋ
ᐇ㦂⤖ᯝ࠿ࡽ㸪ᅇ㌿ᶓ☢⏺ࢆ༳ຍࡍࡿࡇ࡜࡛೫ྥࢆᢚไ࡛ࡁࡿࡇ࡜ࢆ☜ㄆࡋࡓࠋࡋ࠿ࡋ㸪ᐇ㦂࡟ࡼࡿ೫ྥᢚ
ไࡢ≀⌮ࣉࣟࢭࢫゎ᫂࡟ࡣ㝈⏺ࡀ࠶ࡿࠋ௨ୖࡢ⫼ᬒࡢᇶ㸪ᮏ◊✲࡛ࡣ㸪ᅇ㌿ᶓ☢⏺ࡢ༳ຍ࡟ࡼࡿ 7,* ࢔࣮ࢡ⁐᥋㸱ḟඖ㟁☢⇕ὶయࢩ࣑࣮ࣗࣞࢩࣙࣥࡢ㛤Ⓨࢆ⾜࠺ࠋලయⓗ࡟ࡣ㸪ᐇ㦂⤖ᯝ࡜ゎᯒ⤖ᯝࡢᅇ㌿༙ᚄࡢẚ㍑ࢆ⾜࠺ࠋ㸰㸬ィ⟬᪉ἲ
ᮏ◊✲࡛ࡣ㸪㸱ḟඖ┤஺ᗙᶆ⣔ࡢࠕ㝜ᴟ㸦ࢱࣥࢢࢫࢸࣥ㸧̺࢔࣮ࢡ̺㝧ᴟ㸦686㸧ࠖࢆ㸯ࡘࡢ⣔࡜ࡋࡓィ⟬ࣔࢹࣝࢆᵓ⠏ࡋ㸪ゎᯒࢆ⾜ࡗࡓࠋᅗ㸯࡟㸪ᮏ◊✲࡟࠾ࡅࡿィ⟬㡿ᇦࢆ♧ࡍࠋィ⟬㡿ᇦࡣ㸪; ᪉ྥ࡜ < ᪉ྥ࡟ PP㸪= ᪉ྥ࡟ PP ࡜ࡋࡓࠋ㟁ᴟ㛫㊥㞳ࡣ㸪PP㸪㟁ὶࡣᐃ㟁ὶ※ࢆᶍᨃࡋ㸪$ ୍ᐃ㸪ࢩ࣮ࣝࢻ࢞ࢫࣀࢬࣝෆᚄࡣ㸪PP㸪ࢩ࣮ࣝࢻ࢞ࢫὶ㔞ࡣ㸪/PLQ㸪ᅽຊࡣ㸪03D ࡜ࡋࡓࠋࡲࡓ㸪㝜ᴟᚄࡣ㸪
PP㸪㝜ᴟඛ➃ゅᗘࡣ㸪ƕ ࡛タᐃࡋࡓࠋᅇ㌿ᶓ☢⏺ࡢ༳ຍ࿘Ἴᩘࡣ f 㸪㸪㸪+] ࡜ࡋ㸪☢᮰ᐦᗘࡣ 㸪P7 ࡜ࡋࡓࠋᮏィ⟬࡛ࡣ㸪ᒁᡤ⇕ᖹ⾮㸪ᒙὶ㸪㠀ᅽ⦰ᛶὶయࢆ௬ᐃࡋ㸪 㟁ᴟ㝆ୗ㟁ᅽ㸪ࢩ࣮ࢫ⌧㇟ࡣ⪃៖ࡋ࡞࠿ࡗࡓࠋࡇࢀࡣ㸪ᮏィ⟬ࣔࢹ࡛ࣝࡣ㸪௨ୗ࡟㏙࡭ࡿࡼ࠺࡟㝜ᴟ  ࢔࣮ࢡ  㝧ᴟ࡜ࡢ㛫࡟ࡑࢀࡒࢀࡢ࢚ࢿࣝࢠ࣮཰ᨭࡢᘧࢆ⪃៖ࡋ࡚࠾ࡾ㸪࠾஫࠸ࡢ࢚ࢿࣝࢠ࣮ࣂࣛࣥࢫࡀಖࡓࢀ࡚࠸ࡿࡓࡵ㸪࢔࣮ࢡࡸ㝜ᴟ㸪㝧ᴟࡢ ᗘࢆゎᯒࡍࡿୖ࡛㸪ᐇ⌧㇟࡜୙ྜ⌮ࡢ↓࠸ィ⟬࡜࡞ࡗ࡚࠸ࡿࡓࡵ࡛࠶ࡿࠋ
㸱㸬⤖ᯝ࠾ࡼࡧ᳨ウᅇ㌿ᶓ☢⏺࡟ᑐࡍࡿ㸪࢔࣮ࢡࡢᛂ⟅ᛶࢆ☜ㄆࡋࡓࠋᅗ㸰࡟㸪P7 ࡢᅇ㌿ᶓ☢⏺ࢆ༳ຍࡋࡓ᫬ࡢ ] PP
࡟࠾ࡅࡿ ᗘศᕸ࡜ὶ㏿ศᕸࢆ♧ࡍࠋࡇࢀࡣ㝧ᴟ┤ୖ PP ࡢ఩⨨࡛࠶ࡿࠋ࡞࠾㸪☢⏺༳ຍ᪉ྥࡣ PV㸪PV㸪PV ࡑࢀࡒࢀ࡟࠾࠸࡚ < ṇ᪉ྥ㸪; ṇ᪉ྥ㸪< ㈇᪉ྥ࡟ P7 ࡛࠶ࡾ㸪௚᪉ྥ࡬ࡣ༳ຍࡉࢀ࡚࠸࡞࠸ࠋ
☢⏺ࢆ༳ຍࡋࡓ᪉ྥ࡟ᑐࡋ㸪㟁☢ຊࡀാࡃ᪉ྥ࡟࢔࣮ࢡ
⟅ᛶࡀపࡃ࡞ࡗࡓࠋࡇࢀࡣ㸪పᗘࡀ೫ྥࡋࡓࠋࡲࡓ㸪ᗘࡀపࡃ࡞ࡿ࡟ࡘࢀ࡚ᛂ

㒊ศࡢᑟ㟁⋡ࡀపࡃ㸪ὶࢀࡿ㟁ὶࡀᑠࡉ࠸ࡓࡵ㸪㟁☢ຊࡢാࡁࡀᙅ࠸ࡓࡵ

࡛࠶ࡿࠋ㟁☢ຊ࡟ᑐࡍࡿ ᗘศᕸࡢᛂ⟅ࡀ㐜ࢀࡿࡇ࡜࡛㸪ὶ㏿ࡶ ᗘศᕸ࡟㏣ᚑࡍࡿࡼ࠺࡟ᙧᡂࡉࢀ࡚࠸ࡿࠋ
ࡇࡢࡇ࡜࠿ࡽ㸪୙ྜ⌮࡞࠸⤖ᯝ࡛࠶ࡿ࡜ุ᩿ࡋࡓࠋ
ḟ࡟㸪ᐇ㦂⤖ᯝ࡜ゎᯒ⤖ᯝ࡟࠾࠸࡚ᅇ㌿ᶓ☢⏺ࡢ࿘Ἴᩘ࡟ᑐࡍࡿ࢔࣮ࢡࡢᅇ㌿༙ᚄࢆẚ㍑ࡋࡓࠋᅗ㸰࡟ゎᯒ࡟ࡼࡿᅇ㌿ᶓ☢⏺ࡢ࿘Ἴᩘࡀཬࡰࡍ࢔࣮ࢡጼែࡢᅇ㌿༙ᚄࢆ♧ࡍࠋ࿘Ἴᩘࡀቑຍࡍࡿ࡜㸪࢔࣮ࢡࡢᅇ㌿༙ᚄࡀῶᑡࡋࡓࠋࡇࡢഴྥࡣᩥ⊩   ࡜ྠࡌഴྥࢆ♧ࡋ࡚࠸ࡿࠋࡲࡓ㸪☢᮰ᐦᗘࡀቑຍࡍࡿࡇ࡜࡛࢔࣮ࢡ࡟࠿
࠿ࡿຊࡀቑຍࡋ㸪ᅇ㌿༙ᚄࡣቑຍࡋࡓࠋࡇࡢഴྥࡣᩥ⊩   ࡜ྠࡌഴྥࢆ♧ࡋ࡚࠸ࡿࠋ

− 27 −

D PV                       E PV                       F PVᅗ P7 ࡢᅇ㌿ᶓ☢⏺ࢆ༳ຍ᫬ࡢ ] PP ࡟࠾ࡅࡿᗘศᕸ࡜ὶ㏿ศᕸ㸲㸬ࡲ࡜ࡵ
ᮏ◊✲࡛ࡣ㸪7,* ࢔࣮ࢡ⁐᥋࡟࠾ࡅࡿᅇ㌿ᶓ☢⏺
༳ຍࢆᶍᨃࡋࡓ㸱ḟඖ㟁☢⇕ὶయࢩ࣑࣮ࣗࣞࢩࣙ
ࣥࡢ㛤Ⓨࢆ┠ⓗ࡜ࡋ㸪㟁☢⇕ὶయࢩ࣑࣮ࣗࣞࢩࣙࣥ
ࢆ⏝࠸࡚㸪ᅇ㌿☢⏺ࢆ 7,* ⁐᥋࡟༳ຍࡍࡿࡇ࡜ࢆ
ᶍᨃࡋࡓᩘ್ゎᯒ࡜ᐇ㦂⤖ᯝࡢẚ㍑ࢆ⾜ࡗࡓࠋ⤖ᯝ࡜ࡋ࡚㸪㟁☢ຊࡀാࡃ᪉ྥ࡟࢔࣮ࢡ ᗘࡀ೫ྥࡋ㸪ప㡿ᇦࡢᛂ⟅ᛶࡀప࠸ࡇ࡜ࡀศ࠿ࡗࡓࠋࡲࡓ㸪ᐇ㦂࡜ゎᯒࡢᅇ㌿༙ᚄࡢẚ㍑࡟ࡼࡾ㸪࿘Ἴᩘࢆቑຍࡉ
ࡏࡿࡇ࡜࡛ᅇ㌿༙ᚄࡀῶᑡࡍࡿഴྥ࡟࠶ࡿࡇ࡜ࢆ
☜ㄆࡋࡓࠋ
௨ୖࡼࡾ㸪ᮏ◊✲ࡢ┠ⓗ࡛࠶ࡿ 7,* ࢔࣮ࢡ⁐᥋࡟࠾ࡅࡿᅇ㌿ᶓ☢⏺༳ຍࢆᶍᨃࡋࡓ㸱ḟඖ㟁☢⇕ὶయࢩ࣑࣮ࣗࣞࢩࣙࣥࡢ㛤Ⓨࢆ㐩ᡂࡋࡓࠋᅗ  ᅇ㌿ᶓ☢⏺ࡢ࿘Ἴᩘࡀཬࡰࡍᅇ㌿༙ᚄ㸳㸬ཧ⪃ᩥ⊩  ᳝㔝㏱࣭ᯇᮏ᪸ᶞ࣭┿ᰤ⏣⩏ྐ࣭ᒾᑿᚭ㸸ࠕ኱Ẽᅽ࢔࣮ࢡ࡟࠾ࡅࡿᅇ㌿ᶓ☢⏺ࡢ࿘Ἴᩘࡀཬࡰࡍ࢔࣮ࢡࡢ
㥑ືຊࠖ 㟁ẼᏛ఍ㄽᩥㄅ %  㸦ඹྠ◊✲ศ㔝㸸࢚ࢿࣝࢠ࣮ไᚚᏛศ㔝㸧− 28 −

⇕ⓗ㠀ᖹ⾮ࢆ⪃៖ࡋࡓࣃࣝࢫ 7,* ⁐᥋ࡢᩘ್ゎᯒᮾி㒔ᕷ኱Ꮫ኱Ꮫ㝔 ⥲ྜ⌮ᕤᏛ◊✲⛉᰿ᮏ 㞝௓㸯 ࡣࡌࡵ࡟
7,*㸦7XQJVWHQ,QHUW*DV㸧࢔࣮ࢡ⁐᥋ࡣ㸪㔠ᒓᮦᩱࢆ᥋ྜࡍࡿᢏ⾡࡜ࡋ࡚ᬑཬࡋ࡚࠸ࡿࠋࡋ࠿ࡋ㸪㝜ᴟ࡟⏝࠸ࡿࢱࣥࢢࢫࢸࣥࡢᦆ⪖㜵Ṇࡢࡓࡵ㸪౑⏝ࡍࡿ㟁ὶ࡟㝈⏺ࡀ࠶ࡿࠋࡇࡢࡓࡵ㸪ධ⇕୙㊊࡟ࡼࡿ⁐⼥୙㊊࡞࡝ࡢ⁐᥋Ḟ㝗ࡀ⏕ࡌࡿࠋࡇࡢᑐ⟇࡜ࡋ࡚㸪ࣃࣝࢫ 7,* ⁐᥋ࡀ⏝࠸ࡽࢀࡿࠋࣃࣝࢫ 7,* ⁐᥋ࡣ㸪㟁ὶࢆࣃࣝࢫ≧࡟ኚ໬ࡉࡏࡿࡇ࡜࡟ࡼࡾ㸪ᐃᖖ㟁ὶࡼࡾࡶ῝࠸⁐ࡅ㎸ࡳࡀᚓࡽࢀࡿࠋࡋ࠿ࡋ㸪ࣃࣝࢫ 7,* ⁐᥋ࡢලయⓗ࡞≀⌮ࣉࣟࢭࢫࡣ㸪ᮍゎ᫂࡞Ⅼࡀከ࠸ࠋࡇࢀࡣ㸪ࣃࣝࢫ 7,* ⁐᥋࡟࠾ࡅࡿ㧗࿘Ἴࡢ㟁ὶ࡟ᑐࡍࡿᛴᓧ࡞≀⌮⌧㇟ࢆᐃࡍࡿࡢࡀᅔ㞴࡛࠶ࡾ㸪࠿ࡘ㸪⇕ⓗ࡟ࡶ཯ᛂㄽⓗ࡟ࡶ㠀ᖹ⾮ᛶࡀ㢧ⴭ࡟⌧ࢀࡿࡓࡵ࡛࠶ࡿ㸦㸧ࠋࡇࡢࡓࡵ㸪⇕ⓗ཯ᛂㄽⓗ㠀ᖹ⾮ࢆ⪃៖ࡍࡿࡇ࡜࡛㸪ࣃࣝࢫ 7,* ⁐᥋࡟࠾ࡅࡿ཯ᛂ㏿ᗘࡸ཯ᛂ≀㉁ࡢゎ᫂ࢆ⾜࠺ࠋᮏ◊✲࡛ࡣ㸪⇕ⓗ㠀ᖹ⾮ࢆ⪃៖ࡋࡓࣃࣝࢫ 7,* ⁐᥋ࡢᩘ್ゎᯒࢆ┠ⓗ࡜ࡍࡿࠋලయⓗ࡟ࡣ㸪㸱ḟඖ㟁☢⇕ὶయࢩ࣑࣮ࣗࣞࢩࣙࣥࡢ࢚ࢿࣝࢠ࣮ಖᏑᘧࢆ㸪㟁Ꮚ࡜㔜⢏Ꮚࡢ࢚ࢿࣝࢠ࣮ಖᏑᘧ࡟ศࡅ࡚㸪㟁Ꮚ

ᗘ࡜㔜⢏Ꮚ

ᗘࡢ

ゎᯒࢆ⾜࠺ࠋ㸰 ィ⟬᪉ἲᮏ◊✲࡛ࡣ㸪㸱ḟඖ┤஺ᗙᶆ⣔ࡢ㝜ᴟ࡜࢔࣮ࢡ㸪㝧ᴟࢆ⤫ྜࡋࡓィ⟬ࣔࢹࣝࢆᵓ⠏ࡋ㸪ゎᯒࢆ⾜ࡗࡓࠋᅗ ࡟㸪ᮏ◊✲࡟࠾ࡅࡿィ⟬㡿ᇦࢆ♧ࡍࠋィ⟬㡿ᇦࡣ㸪; ᪉ྥ࡜ < ᪉ྥ࡟ PP㸪= ᪉ྥ࡟ PP ࡜ࡋࡓࠋ㝜ᴟᚄࡣ PP㸪㝜ᴟඛ➃ゅᗘࡣ r࡜ࡋࡓࠋ㟁ᴟ㛫㊥㞳ࡣ PP㸪ࣀࢬࣝෆᚄࡣ PP㸪ࢩ࣮ࣝࢻ࢞ࢫὶ㔞ࡣ /PLQ㸪ᅽຊࡣ 03D ࡜ࡋࡓࠋ㝧ᴟࡣ㸪686㸪㝜ᴟࡣ㸪ࢱࣥࢢࢫࢸࣥ࡜ࡋࡓࠋ㞺ᅖẼ࢞ࢫࡣ࢔ࣝࢦࣥ
࡜ࡋࡓࠋᮏィ⟬࡛ࡣ㸪ὶࢀሙࢆᒙὶ࡜௬ᐃࡋ㸪ࢩ࣮ࢫ⌧㇟ࡸ໬Ꮫ཯ᛂࡢ㠀ᖹ⾮ᛶࡣ⪃៖ࡋ࡞࠸ࠋࡲࡓ㸪ᅗ㸰࡟㸪㟁ὶἼᙧࢆ♧ࡍࠋ㟁ὶἼᙧࡣ㸪a$㸪࿘Ἴᩘࡣ㸪+] ࡜ࡋ࡚㠀ᐃᖖィ⟬ࢆ⾜ࡗࡓࠋ࡞࠾㸪ึᮇ್ࡣ㸪$ ࡢᐃᖖィ⟬ࡢ⤖ᯝࢆ⏝࠸ࡓࠋᨭ㓄᪉⛬ᘧࡣ㸪㉁㔞ಖᏑᘧ㸪㐠ື㔞ಖᏑᘧ㸪㟁Ꮚࡢ࢚ࢿࣝࢠ࣮ಖᏑᘧ㸪㔜⢏Ꮚࡢ࢚ࢿࣝࢠ࣮ಖᏑᘧ㸪㟁ὶ㐃⥆ࡢᘧ㸪࣮࣒࢜ࡢἲ๎㸪0D[ZHOO$PSHUH ࡢᘧࢆ⏝࠸ࡓࠋᮏゎᯒ࡛ࡣ㸪⇕ⓗ㠀ᖹ⾮ࢆ⪃៖ࡋࡓィ⟬ࢆ⾜࠺ࡓࡵ㸪㸱ḟඖ㟁☢⇕ὶయࢩ࣑࣮ࣗࣞࢩࣙࣥࡢ࢚ࢿࣝࢠ࣮ಖᏑᘧࢆ㟁Ꮚ࡜㔜⢏Ꮚࡢ࢚ࢿࣝࢠ࣮ಖᏑᘧ࡟ศࡅ࡚ゎᯒࢆ⾜ࡗࡓ㸦㸧㸦㸧ࠋ࡞࠾㸪ྛ࢚ࢿࣝࢠ࣮ಖᏑᘧࡢ཯ᛂ⇕ࡢ㡯ࢆ⟬ฟࡍࡿࡓࡵ
ࡢ཯ᛂ⇕ᐃᩘࡣ㸪ᗘయ✚ࡢ኱ࡁ࠸ . ࡢ್ࢆ⏝࠸ࡓࠋ






ᅗ㸯 ィ⟬㡿ᇦᅗ㸰 㟁ὶἼᙧ

− 29 −ᅗ㸲 ࢔࣮ࢡ୰ᚰ㒊࡟࠾ࡅࡿ㍈᪉ྥὶ㏿ᅗ㸱 ࢔࣮ࢡ୰ᚰ㒊࡟࠾ࡅࡿ
㟁Ꮚ

ᗘ࡜㔜⢏Ꮚ

ᗘ


㸱 ⤖ᯝ࠾ࡼࡧ᳨ウ㠀ᐃᖖィ⟬ࢆ⾜࠸㸪㟁Ꮚ ᗘ࡜㔜⢏Ꮚ
ࡅࡿ㟁Ꮚ

ᗘ࡜㔜⢏Ꮚ

ᗘ㸪㍈᪉ྥὶ㏿ࢆࡑࢀࡒࢀ⟬ฟࡋࡓࠋᅗ㸱࡟㸪࢔࣮ࢡ୰ᚰ㒊࡟࠾ᗘࢆ♧ࡍࠋ㟁ὶࡀ $ ࡛࠶ࡿ  a  PV ࡟࠾࠸࡚ࡣ㸪㟁Ꮚ

ᗘ࡜㔜⢏Ꮚ

ᗘࡀ

. ⛬ᗘ࡜࡞ࡾ㸪࡯ࡰ୍⮴ࡋࡓࠋࡇࡢࡓࡵ㸪⇕ⓗ㠀ᖹ⾮ࢆ⪃៖ࡋࡓゎᯒ࡟࠾࠸࡚ࡶ࢔࣮ࢡ୰ᚰ㒊࡛ࡣ㸪ᒁᡤ⇕ᖹ⾮ࡀᡂࡾ❧ࡘࡇ࡜ࡀ☜ㄆ࡛ࡁࡓࠋࡲࡓ㸪aPV ࡢ㟁ὶ㑄⛣᫬㛫࡟࠾࠸࡚ࡣ㸪㟁Ꮚ໬ࡣ࡞࠿ࡗࡓࠋࡋ࠿ࡋ㸪㔜⢏Ꮚᗘ࡟኱ࡁ࡞ኚ

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ࢆ♧ࡍࠋࣉࣛࢬ࣐⁐᥋ᶵࡢጞືࡣ㸪᧯స⟽ࡢ⁐᥋࢔࣮ࢡ㉳ື࣎ࢱࣥࢆᢲୗࡍࡿ࠿ࡲࡓࡣ㸪ࢺ࣮ࢳࢫ࢖ࢵࢳࡢ
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− 33 −

௨㝆ࡣ㸪ィ

ࡢࡓࡵࡢᅇ㊰タィ㸪〇స࡜࡞ࡿࠋ⌧ᅾࡣ㸪ࣉࣟࢺࢱ࢖ࣉ࡛㸪㓄⥺ࡀᩚ⌮ࡉࢀ࡚࠸࡞࠸ࠋḟᅇࡢᐇ㦂࠿ࡽࡣ㸪ィ⿦∧࡟⤌ࡳ㎸ࡳ㸪ᐇ㦂⎔ቃࢆᩚ࠼ࡿࠋᅗ㸰 ࢱ࢖࣒ࢳ࣮ࣕࢺᅗ㸱 ࣉࣛࢬ࣐⁐᥋ᶵ࠿ࡽࡢಙྕࡢ᥋Ⅼࡢྲྀࡾྜ࠸            ᅗ㸲 ヨ㦂∦㸱. ⤖ ㄽࣉ ࣛ ࢬ ࣐ ⁐ ᥋ ᶵ ࡜ ࣑ ࢢ (MIG)⁐ ᥋ ࡜ ࢆ ⤌ ࡳ ྜ ࢃ ࡏ ࡚ 㸪࢔ ࣝ ࣑ ࢽ ࢘ ࣒ ࡢ ᥋ ྜ ≧ ែ ࢆ ほ ᐹ ࡋ 㸪⁐ ᥋ ရ㉁ ࡢ ホ ౯ ࡟ ࡘ ࠸ ࡚ 㸪༙ ⮬ ື ࡛ ࡢ ゎ ᯒ ࡀ ྍ ⬟ ࡜ ࡞ ࡗ ࡓ ࠋᅗ 㸲 ࡟ ♧ ࡍ ⁐ ᥋ ࡢ ≧ ែ ࠿ ࡽ 㸪ヨ 㦂 ∦ ࢆ ࠸ ࡃ ࡘ࠿〇స࡛ࡁࡓࠋ⌧ᅾホ౯୰࡛࠶ࡿࠋ㸲 ࡇࢀ࠿ࡽࡢㄢ㢟ḟᅇࡢᐇ㦂࠿ࡽ㸪⁐᥋ᶵᮏయࡢ :&5 ࠿ࡽࡢಙྕࢆࢺࣜ࢞ಙྕ࡜ࡋ࡚㸪᧜ᙳ୍㐃ࡢࢩ࣮ࢣࣥࢫࢆ⮬ື໬ࡍࡿ⿦⨨ࢆ〇సࡍࡿࠋ
㸳. ཧ⪃ᩥ⊩ >@67DVKLURDQG07DQDND,((-7UDQVRQ3RZHUDQG(QHUJ\  SS    ࠙ LQ-DSDQHVHࠚ >@6/X+)XMLL+6XJL\DPDDQG07DQDND 㸸 0DWHULDOV7UDQV  SS   㸦ඹྠ◊✲ศ㔝㸸࢚ࢿࣝࢠ࣮ไᚚᏛศ㔝㸧

− 34 −

7,* ⁐᥋࡟࠾ࡅࡿᶓ㢼྿ࡁ௜ࡅ᫬ࡢ⁐⼥ụ㏆ഐࡢ❅⣲⃰ᗘศᕸࡢゎ᫂ᮾி㒔ᕷ኱Ꮫ኱Ꮫ㝔 ⥲ྜ⌮ᕤᏛ◊✲⛉┿ᰤ⏣ ⩏ྐ㸯 ࡣࡌࡵ࡟
࢞ࢫࢩ࣮ࣝࢻ࢔࣮ࢡ⁐᥋ࡣ㸪⡆౽ᛶ㸪⏕⏘ᛶࡀ㧗࠸࡜࠸ࡗࡓ฼Ⅼࡀ࠶ࡿࡇ࡜࠿ࡽᗈࡃᬑཬࡋ࡚࠸ࡿࠋࡇࡢ
⁐᥋ἲࡣ㸪Ẽయࢆ⏝࠸࡚኱Ẽ࠿ࡽ࢔࣮ࢡࢆಖㆤࡍࡿࡇ࡜࠿ࡽ኱Ẽࡢᕳࡁ㎸ࡳࢆ㜵Ṇ࡛ࡁࡿ࡞࡝ࡢ≉㛗ࢆ᭷ࡋ㸪㧗ရ㉁࡞⁐᥋ࡀྍ⬟࡛࠶ࡿࠋࡋ࠿ࡋ㸪ᙉ㢼᫬࡟࠾࠸࡚㸪኱Ẽ࠿ࡽ࢔࣮ࢡࢆ㐽᩿ࡍࡿࢩ࣮ࣝࢻ࢞ࢫὶࡀ㸪㢼ୗഃ࡟ὶࡉࢀࡿ࡜ඹ࡟㸪࢔࣮ࢡࡀ೫ྥࡍࡿࠋࡇࢀ࡟ࡼࡾ㸪ධ⇕ࡀ୙Ᏻᐃ࡟࡞ࡿࡇ࡜ࡸ㸪኱Ẽ࠿ࡽࡢ❅⣲ࡀ⁐⼥㔠ᒓ࡟ΰධࡋ㸪⁐᥋Ḟ㝗ࡀ⏕ࡌࡿၥ㢟ࡀ࠶ࡿࠋ࢔࣮ࢡ೫ྥ⌧㇟ࡢ㜵Ṇ࡟ྥࡅ࡚㸪➹⪅ࡽࡣ㸪㸱ḟඖࡢ㟁☢⇕ὶయࢩ࣑࣮ࣗࣞࢩࣙࣥࢆ㛤Ⓨࡋ㸪ᶓ㢼྿௜ࡅ᫬࡟࠾ࡅࡿ㠀ᑐ⛠࡞࢔࣮ࢡጼែࡢゎᯒࢆ⾜ࡗ࡚ࡁࡓࠋࡇࢀࡽࡢ▱ぢࢆᇶ࡟㸪ᶓ㢼࡟ࡼࡗ࡚⏕ࡌࡿ࢔࣮ࢡ࡬ࡢ❅⣲ΰධ⌧㇟ࡢゎᯒࢆ⾜࠺ࠋᮏ◊✲࡛ࡣ㸪7,*⁐᥋࡟࠾ࡅࡿᶓ㢼྿ࡁ௜ࡅ᫬ࡢ⁐⼥ụ㏆ഐࡢ❅⣲⃰ᗘศᕸࡢゎ᫂ࢆ┠ⓗ࡜ࡍࡿࠋලయⓗ࡟ࡣ㸪ᶓ㢼ࢆ྿ࡁ௜ࡅࡿࣀࢬࣝ
ࢆᶍᨃࡋࡓ㡿ᇦࢆᵓ⠏ࡋ㸪࢔࣮ࢡ࡟ᑐࡋ࡚┤஺࡞ὶ㏿ࢆタᐃࡋࡓゎᯒࢆ⾜࠺ࠋᶓ㢼ࡢὶ㏿ࢆኚ໬ࡉࡏࡿࡇ࡜
࡛㸪ᶓ㢼ࡢὶ㏿ࡀཬࡰࡍ㝜ᴟ┤ୗ࡟࠾ࡅࡿ࢔࣮ࢡෆࡢ❅⣲⃰ᗘศᕸࢆ᳨ウࡍࡿࠋ㸰 ィ⟬᪉ἲᮏ◊✲࡛ࡣ㸪㸱ḟඖ┤஺ᗙᶆ⣔ࡢ㝜ᴟ࡜࢔࣮ࢡ㸪㝧ᴟࢆ⤫ྜࡋࡓィ⟬ࣔࢹࣝࢆᵓ⠏ࡋ㸪ゎᯒࢆ⾜ࡗࡓࠋィ⟬㡿ᇦࡣ㸪; ᪉ྥ࡜ < ᪉ྥ࡟ PP㸪= ᪉ྥ࡟ PP ࡜ࡋࡓࠋ㟁ᴟ㛫㊥㞳ࡣ㸪PP㸪㟁ὶࡣ $㸪ࣀࢬࣝෆᚄࡣ PP㸪㝜ᴟ✺ࡁฟࡋ㛗ࡉࡣ PP㸪ࢩ࣮ࣝࢻ࢞ࢫὶ㔞ࡣ /PLQ ࡜ࡋࡓࠋ᭦࡟㸪㝜ᴟᚄࡣ PP㸪㝜ᴟඛ➃ゅᗘࡣ r࡛タᐃࡋࡓࠋẕᮦ࡛࠶ࡿ㝧ᴟࡣ 686㸪㝜ᴟࡣࢱࣥࢢࢫࢸࣥ࡜ࡋ㸪㞺ᅖẼ࢞ࢫࡣ 1㸪ࣀࢬࣝෆࡢࢩ࣮ࣝࢻ࢞ࢫࡣ $U ࡜ࡋࡓࠋ;= ᖹ㠃㸦y PP㸧࡟┤஺㢼ࣀࢬࣝ㠃ࢆタᐃࡋ㸪ࡇࡢ㠃࠿ࡽ࢔࣮ࢡ
࡟ᑐࡋ࡚┤஺ࡍࡿὶ㏿ࢆ୚࠼ࡿࡇ࡜࡛ᶓ㢼ࡢᶍᨃࢆ⾜ࡗࡓࠋᶓ㢼ὶ㏿ vL ࡣ㸪㸪㸪 PV ࡛୚࠼ࡓࠋࡲ
ࡓ㸪ᮏィ⟬࡛ࡣ㸪ᒁᡤ⇕ᖹ⾮㸪ᒙὶࢆ௬ᐃࡋ㸪ࢩ࣮ࢫ⌧㇟࡜⁐⼥ụෆࡢᑐὶ⌧㇟ࡣ⪃៖ࡋ࡞࠸ࠋ࢔࣮ࢡෆࡢ
❅⣲⃰ᗘศᕸࢆゎᯒࡍࡿࡓࡵ࡟㸪$U ࡜ 1 ࡢ⛣ὶᣑᩓ᪉⛬ᘧࢆィ⟬ࡋࡓࠋ࡞࠾㸪⁐⼥ụࡣẕᮦࡢᗘࡀ⼥Ⅼࢆ㉸࠼ࡓ㡿ᇦ࡜ᐃ⩏ࡋࡓࠋ᭦࡟㸪❅⣲ࡢΰධせᅉࢆゎ᫂ࡍࡿࡓࡵ࡟㸪௨ୗࡢᘧࢆ⏝࠸࡚ྑ㎶➨㸯㡯࡛ᐃ⩏ࡉࢀࡿᑐὶὶ᮰࡜ྑ㎶➨㸰㡯࡛ᐃ⩏ࡉࢀࡿᣑᩓὶ᮰ࢆ⟬ฟࡋࡓࠋ
N U C vx  ൬D C൰   xN U C vy  ൬D C൰   y

Nz U C vz  ൬D C 
൰zࡇࡇ࡛㸪N ࡣ≀㉁⛣ືὶ᮰㸪Uࡣ㉁㔞ᐦᗘ㸪v ࡣὶ㏿㸪C ࡣࢩ࣮ࣝࢻ࢞ࢫ⃰ᗘ㸪D ࡣᣑᩓಀᩘ࡛࠶ࡾ㸪ῧ࠼Ꮠࡢ x㸪y㸪z ࡣ㸪;㸪<㸪= ࡢ᪉ྥࢆ♧ࡍࠋ㸱 ⤖ᯝ࠾ࡼࡧ᳨ウᅗ  ࡟㸪t   PV ࡟࠾ࡅࡿᶓ㢼ὶ㏿ቑຍ᫬ࡢࢩ࣮ࣝࢻ࢞ࢫ⃰ᗘศᕸࢆ♧ࡍࠋz   PP ࡼࡾୗࡣ㝧ᴟ࡛࠶ࡾ㸪ซ౛ࡢ  ࡣࢩ࣮ࣝࢻ࢞ࢫ࡛࠶ࡿ $U ⃰ᗘࡀ  ࡛࠶ࡾ㸪ࡶ࠺୍᪉ࡢ❅⣲⃰ᗘࡀ  ࡛࠶ࡿࡇ࡜ࢆ♧ࡍࠋᶓ㢼ὶ㏿ࡀ  PV ࡢሙྜ࡛ࡣ㸪ࢩ࣮ࣝࢻ࢞ࢫ⃰ᗘࡢከ࠸㡿ᇦࡀ㝜ᴟ┤ୗ࠿ࡽ⁐⼥ụ㏆ഐࡲ࡛ᗈࡀࡗࡓࠋࡇࢀ
࡟ᑐࡋ࡚㸪ᶓ㢼ὶ㏿ࡢቑຍ࡟క࠸㸪❅⣲⃰ᗘࡢከ࠸㡿ᇦࡀ㝜ᴟ㏆ഐࡲ࡛ᗈࡀࡾ㸪㝜ᴟ┤ୗ࠿ࡽ⁐⼥ụ㏆ഐࡲ࡛❅⣲⃰ᗘࡀቑຍࡋࡓࠋࡇࢀࡣ㸪ᶓ㢼࡟ࡼࡗ࡚ᚄ᪉ྥὶ㏿ࡀቑຍࡍࡿࡇ࡜࡛㸪❅⣲ࢆ࢔࣮ࢡෆ࡟ᕳࡁ㎸ࡴᑐ

− 35 −

ᅗ t PV ࡟࠾ࡅࡿᶓ㢼ὶ㏿ቑຍ᫬ࡢࢩ࣮ࣝࢻ࢞ࢫ⃰ᗘศᕸᅗ t PV ࡟࠾ࡅࡿᶓ㢼ὶ㏿ቑຍ᫬ࡢᣑᩓὶ᮰࡜ᑐὶὶ᮰ศᕸ
ὶࡀ⏕ࡌࡿࡓࡵ࡛࠶ࡿࠋᅗ  ࡟㸪t PV ࡟࠾ࡅࡿᶓ㢼ὶ㏿ቑຍ᫬ࡢᣑᩓὶ᮰࡜ᑐὶὶ᮰ศᕸࢆ♧ࡍࠋᶓ㢼
ὶ㏿ࡢቑຍ࡟క࠸㸪㝜ᴟ㏆ഐ࡟࠾࠸࡚㸪㝜ᴟ┤ୗࡢ㡿ᇦ࡟ᕳࡁ㎸ࡴࡼ࠺࡞ᑐὶὶ᮰ࡀቑຍࡋࡓࠋࡲࡓ㸪ᑐὶὶ᮰࡟ẚ࡭࡚㸪ᣑᩓὶ᮰ࡀᑠࡉ࠿ࡗࡓࠋࡇࡢࡓࡵ㸪㝜ᴟ┤ୗࡢ㡿ᇦ࡛❅⣲⃰ᗘࡀቑຍࡋࡓせᅉࡣ㸪㝜ᴟ㏆ഐ࡛ቑຍࡋࡓᑐὶὶ᮰࡛࠶ࡿࡇ࡜ࡀ᫂ࡽ࠿࡜࡞ࡗࡓࠋࡋࡓࡀࡗ࡚㸪ᶓ㢼྿ࡁ௜ࡅ᫬ࡢ❅⣲ΰධࡢせᅉࡣ㸪㝜ᴟ㏆ഐࡢᑐὶὶ᮰ࡀᨭ㓄ⓗ࡛࠶ࡗࡓࠋ㸲 ࡲ࡜ࡵ
ᮏ◊✲࡛ࡣ㸪7,* ⁐᥋࡟࠾ࡅࡿᶓ㢼྿ࡁ௜ࡅ᫬ࡢ⁐⼥ụ㏆ഐࡢ❅⣲⃰ᗘศᕸࡢゎ᫂ࢆ⾜ࡗࡓࠋ⤖ᯝ࡜ࡋ࡚㸪❅⣲⃰ᗘࡢከ࠸㡿ᇦࡀ㝜ᴟ㏆ഐࡲ࡛ᗈࡀࡾ㸪㝜ᴟ┤ୗ࠿ࡽ⁐⼥ụ㏆ഐࡲ࡛❅⣲⃰ᗘࡀቑຍࡋࡓࠋ᭦࡟㸪ᶓ㢼ὶ㏿ࡢቑຍ࡟క࠸㸪㝜ᴟ㏆ഐ࡟࠾࠸࡚㸪㝜ᴟ┤ୗࡢ㡿ᇦ࡟ᕳࡁ㎸ࡴࡼ࠺࡞ᑐὶὶ᮰ࡀቑຍࡋࡓࠋࡇࡢࡓ
ࡵ㸪㝜ᴟ┤ୗࡢ㡿ᇦ࡛❅⣲⃰ᗘࡀቑຍࡋࡓせᅉࡣ㸪㝜ᴟ㏆ഐ࡛ቑຍࡋࡓᑐὶὶ᮰࡛࠶ࡿࡇ࡜ࡀ᫂ࡽ࠿࡜࡞ࡗ
ࡓࠋࡋࡓࡀࡗ࡚㸪ᶓ㢼྿ࡁ௜ࡅ᫬ࡢ࢔࣮ࢡෆ࡬ࡢ❅⣲ΰධࡢせᅉࡣ㸪㝜ᴟ㏆ഐࡢᑐὶὶ᮰ࡀᨭ㓄ⓗ࡛࠶ࡗࡓࠋ௨ୖࡼࡾ㸪7,* ⁐᥋࡟࠾ࡅࡿᶓ㢼྿ࡁ௜ࡅ᫬ࡢ⁐⼥ụ㏆ഐࡢ❅⣲⃰ᗘศᕸࡢゎ᫂ࢆ⾜࠺ࡇ࡜ࡀ࡛ࡁࡓࠋ
㸦ඹྠ◊✲ศ㔝㸸࢚ࢿࣝࢠ࣮ไᚚᏛศ㔝㸧− 36 −

⁐᥋࢔࣮ࢡ⌧㇟㸪⁐⼥ụ⌧㇟࠾ࡼࡧ⁐᥋㍺㏦⌧㇟ゎᯒ⁐⼥ụ☢Ẽไᚚ⁐᥋ἲ࡟ࡼࡿ⁐ࡅ㎸ࡳไᚚࡢ◊✲㸦ศ๭ẕᯈἲ࡟ࡼࡿ㟁ὶᐦᗘศᕸ࠾ࡼࡧ⇕ὶ᮰ศᕸࡢ ᐃ㸧ᡤᒓ㸸⌰⌫኱Ꮫ ᕤᏛ㒊Ặྡ㸸ᯇ⏣୍᪼
1. ┠ⓗ๭ẕᯈἲࢆ㐺⏝ࡋࡓሙྜࡢᐇ㦂⿦⨨ᵓᡂᅗࢆ♧ࡍ㸬

⁐⼥ụ☢Ẽไᚚ⁐᥋ἲࠕ(OHFWURPDJQHWLF&RQWUROOHGᐇ㦂⿦⨨ࡣ኱ูࡋ࡚ 7,* ࢺ࣮ࢳ㸪 ࡘࡢ☢໬ࢥ࢖ࣝ㸪

0ROWHQ3RRO:HOGLQJ3URFHVVࠖ㸦௨ୗ㸪(&03 ἲ㸧ࡣ㸪 ࡘࡢẕᯈ㸦73㸪73㸧࠿ࡽᵓᡂࡉࢀ࡚࠸ࡿ㸬 7,*⁐⼥ụෆࢆὶࢀࡿ㟁ὶ࡟ᑐࡋ࡚እ㒊☢ሙࢆ௜ຍࡍ

ࢺ࣮ࢳࡣ࣐࢖ࢼࢫᴟ㸪 ࡘࡢẕᯈࡣࣉࣛࢫᴟ࡟᥋⥆ࡿࡇ࡜࡟ࡼࡾ㸪⁐⼥ụෆ࡟Ⓨ⏕ࡍࡿ㟁☢ຊ࡟ࡼࡾ㸪ࡋ㸪 ࡘࡢẕᯈ㛫࡟ࡣ ǻY PP ࡢࡍࡁࡲࢆタࡅࡓ㸬⁐⼥㔠ᒓࡢὶࢀ࡜ࣅ࣮ࢻᙧ≧ࢆไᚚࡍࡿ⁐᥋ἲ࡛⁐᥋᪉ྥࡣᅗ  ࡢྑ࠿ࡽᕥ᪉ྥ࡛㸪⁐᥋㏿ᗘࡣ ࠶ࡿ㸬ᚑ᮶ࡢ (&03 ἲࡣⷧᯈࡢ⿬Ἴ⁐᥋࡟࠾࠸࡚⁐PPV ࡛࠶ࡿ㸬࡞࠾  ࡘࡢẕᯈ㸦73㸪73㸧ࡣ㖡〇

⼥ụෆ࡟ୖྥࡁ㸦཯㔜ຊ᪉ྥ㸧ࡢ㟁☢ຊࢆⓎ⏕ࡉࡏ㸪࡛㸪ࡑࡢ୰࡟෭༷Ỉࢆᚠ⎔ࡉࡏࡿࡇ࡜࡛࢔࣮ࢡ࡟ࡼ

㧗ධ⇕ࡢ᮲௳࡟࠾࠸࡚ࡶ㸪㔜ຊ࡟ࡼࡿ⁐⼥㔠ᒓࡢᆶࡿẕᯈࡢ⁐⼥ࢆ㜵࠸࡛࠸ࡿ㸬࢔࣮ࢡࡀ 73 ୖ࡟࠶ࡿࢀୗࡀࡾࢆ㜵Ṇࡋ㸪㧗ຠ⋡ࡢ⁐᥋ࢆࡍࡿࡇ࡜ࡀ୺┠ሙྜ㸪㟁ὶࡣ 7,* ࢺ࣮ࢳ࠿ࡽእᅇࡾࡢ㓄⥺ࢆ཯᫬ィⓗ࡛࠶ࡗࡓ㸬୍᪉㸪☢ሙࡢྥࡁࢆ㏫࡟ࡍࡿ࡜㸪ཎ⌮᪉ྥ࡬ὶࢀࡿ㸦IAЍIAB73㸧㸬ࡑࡢᚋ࢔࣮ࢡࡀ 73 ࡟ୖ㸪ୗྥࡢ㟁☢ຊࢆᚓࡿࡇ࡜ࡀฟ᮶ࡿ㸬ୗྥࡁࡢ㟁฿㐩ࡍࡿ࡜㸪㟁ὶࡣ 7,* ࢺ࣮ࢳ࠿ࡽෆᅇࡾ㸦ᅗୖ༙☢ຊࡣ㸪ཌᯈ⁐᥋࡟࠾࠸࡚㸪⁐ࡅ㎸ࡳࡢቑ኱࡬ᐤ୚

ศ㸧ࡢ㓄⥺ࢆ཯᫬ィ᪉ྥ࡬ὶࢀࡿ㸦IAЍIAB73㸧㸬ࡇࡍࡿࡇ࡜ࡀᮇᚅ࡛ࡁࡿ㸬ࡑࡇ࡛ᡃࠎࡣ㸪⁐ࡅ㎸ࡳቑ

ࡢ 73 ࠾ࡼࡧ 73 ࡢ㟁ὶศᕸࢆ ᐃࡍࡿࡇ࡜࡟ࡼ

኱ࢆ┠ⓗ࡟㸪ୗྥࡁ㸦㔜ຊ᪉ྥ㸧ࡢ㟁☢ຊࢆ✚ᴟⓗࡾẕᯈୖࡢ࢔࣮ࢡᙧ≧࠾ࡼࡧศᕸࡀ᥎ ࡛ࡁࡿ㸬ࡲ࡟฼⏝ࡋࡓ᪂ (&03 ⁐᥋ࢆᥦ᱌ࡍࡿ㸬ࡋ࠿ࡋ࡞ࡀࡽ㸪ࡓࡑࢀࡒࢀࡢẕᯈ࡟ὶධฟࡍࡿ෭༷Ỉࡢධཱྀ㸪ฟཱྀ⁐ࡅ㎸ࡳቑ኱ࡢࡓࡵ࡟እ㒊☢ሙࢆ኱ࡁࡃࡋࡓሙྜ㸪ᗘ࠾ࡼࡧࡑࡢὶ㔞ࢆ ᐃࡋ㸪ୗグᘧ  ࡼࡾ࢔࣮ࢡ

࢔࣮ࢡࡶ㟁ὶࡢὶࢀ࡛࠶ࡿࡓࡵ㟁☢ຊࡀാࡁ㸪࢔࣮࠿ࡽẕᯈ࡬ὶධࡍࡿ⇕㔞ࢆồࡵࡿ㸬ࢡࡀ⁐᥋᪉ྥ๓ࡲࡓࡣᚋ᪉࡟኱ࡁࡃ೫ྥࡍࡿ㸬࢔࣮

Q73 G73C3 T73B287T73B,1

ࢡࡀᴟ➃࡟೫ྥࡋࡓሙྜ㸪ẕᮦ࡬ࡢධ⇕ࡀపୗࡋ㸪ࡇࡇ࡛㸪
Q73>:@ࡣ࢔࣮ࢡ࠿ࡽẕᯈ
㸦73 ࡲࡓࡣ73㸧⁐ࡅ㎸ࡳࡀὸࡃ࡞ࡿྍ⬟ᛶࡀ࠶ࡾ㸪ᮏ᮶ࡢ⁐ࡅ㎸ࡳ࡬ࡢධ⇕㸪G73>NJV@ࡣẕᯈ࡬ὶධฟࡍࡿ෭༷Ỉࡢ㉁ቑ኱ࡢ┠ⓗ࡜ࡣ␗࡞ࡿ㸬ࡑࡢࡓࡵ㸪⁐ࡅ㎸ࡳไᚚࢆ㔞ὶ㔞㸪C3>- NJ. @ࡣ෭༷Ỉࡢẚ⇕࡛࠶ࡾ㸪T73B,1┠ⓗ࡜ࡋࡓ᪂ (&03 ἲࡢ㐺⏝ࡢࡓࡵ࡟ࡣ㸪እ㒊☢ሙ>ႏ@࠾ࡼࡧ T73B287>ႏ@ࡣ㸪ࡑࢀࡒࢀẕᯈ࡟ὶධฟࡍ

ࡀ࢔࣮ࢡࡢ೫ྥ࡟࠾ࡼࡰࡍᙳ㡪࠾ࡼࡧ࢔࣮ࢡࡢ೫

ࡿ෭༷Ỉ ᗘࢆ♧ࡍ㸬ྥࡀẕᮦ࡬ࡢධ⇕࡟୚࠼ࡿᙳ㡪ࢆヲ⣽࡟ㄪ࡭ࡿᚲ
せࡀ࠶ࡿ࡜⪃࠼ࡽࢀࡿ㸬

IA TIG torchᮏ◊✲࡛ࡣ㸪⁐ࡅ㎸ࡳไᚚࢆ┠ⓗ࡜ࡋࡓ᪂ (&03

TIG torchἲ⁐᥋࡟࠾࠸࡚㸪እ㒊☢ሙ࡟ࡼࡿ࢔࣮ࢡᙧ≧ࡢኚ໬ࢆほᐹࡋࡓ㸬ࡲࡓ࢔࣮ࢡࡢ೫ྥࡀẕᮦ࡬ࡢධ⇕࡟୚࠼ࡿᙳ㡪ࢆㄪ࡭ࡿࡓࡵ࡟㸪᥋ྜ◊⏣୰◊✲ᐊࡢẕᯈ

Welding
direction
Dataloggerศ๭ἲ࡟ࡼࡿィ ᡭἲࢆ⏝࠸࡚㸪㟁ὶᐦᗘศᕸ࠾ࡼ
ᯈ࡬ὶධࡍࡿ⇕㔞࡟࠾ࡼࡰࡍᙳ㡪ࢆヲ⣽࡟ㄪ࡭ࡓ㸬
2. ᐇ㦂⿦⨨࠾ࡼࡧ᪉ἲ

TP2

IA _TP1

ࡧධ⇕ࢆ ᐃࡋ㸪࢔࣮ࢡࡢ೫ྥࡀ㟁ὶศᕸ࠾ࡼࡧẕN

IA_TP2Magnetization
coils

TP1
ǻY

OUT

S

IN OUTINǻY = 0.1 mm
V = Ϭ͘2 mm/s

)LJ Experimental setup of Split-anodeẕᯈ⾲㠃ࡢ㟁ὶศᕸ࠾ࡼࡧẕᯈ࡬ࡢධ⇕ࡢ ᐃࡣศ๭ẕᯈἲࢆ౑⏝ࡋࡓ㸬ᅗ  ࡟᪂ (&03 ⁐᥋࡟ศ− 37 −

method.

⁐᥋࡟࠾࠸࡚㸪☢ሙࡀ࢔࣮ࢡᙧ≧࡜࢔࣮ࢡࡢ೫ྥࡀ
ẕᮦ࡬ࡢධ⇕࡟୚࠼ࡿᙳ㡪ࢆㄪ࡭ࡓ㸬࢔࣮ࢡࡢほ࡜㟁ὶศᕸࡢ ᐃ⤖ᯝࡼࡾ㸪☢ሙ࡟ࡼࡾ࢔࣮ࢡࡀ೫
ྥࡍࡿࡇ࡜ࡀ᫂ࡽ࠿࡟࡞ࡗࡓ㸬ࡲࡓẕᯈ࡬ࡢὶධ⇕㔞ࡣ☢᮰ᐦᗘࡢቑຍ࡟క࠸ῶᑡࡋ㸪᭱኱ ᑠࡉࡃ
࡞ࡿ㸬ࡇࢀࡣ࢔࣮ࢡࡢ೫ྥ࡟ࡼࡾ࢔࣮ࢡ࡜እẼ࡜ࡢ

Electrode

Electrode

Arc

Arc
3 mm

Welding direction

3 mm

Welding direction(b) BX=5.1 mT(a) BX=0 mT)LJ$SSHDUDQFHRIWKH$UFVKDSH IA $ 
IA_TIG_TP1
IA_TIG_TP2

IA [A]

150

Arc width ECMP 7.2 mm

IA=120 A

Arc width TIG 5.8 mm

100
䢢䢢䢢Bx= 4.9 mT

IA_ECMP_TP1
IA_ECMP_TP2

50
0
0

20

40

60

80

100secTime)LJ&XUUHQWGLVWULEXWLRQRQWZRDQRGHVXUIDFHV 

IA [A]

150

IA=120 A
TIG
ECMP Bx= 4.9 mT

100
50
0

-30
-6

-20
-4

-10
-2

0
Time, r

10
2

20
4

30
6

sec
mm

)LJ&XUUHQWGLVWULEXWLRQRQWKHDQRGHVXUIDFH 
2000
1500
Q [W]

3. ᐇ㦂⤖ᯝᅗ  D ࠾ࡼࡧ E ࡟እ㒊☢ሙࢆ௜ຍࡋ࡚࠸࡞࠸㏻
ᖖࡢ 7,* ⁐᥋࠾ࡼࡧእ㒊☢ሙ BX=5.1 mT)ࢆ௜ຍࡋ
ࡓሙྜࡢ࢔࣮ࢡࡢᵝᏊࢆࡑࢀࡒࢀ♧ࡍ㸬࡞࠾እ㒊☢
ሙࡣ⣬㠃ࡢ⾲࠿ࡽ⿬᪉ྥ࡬௜ຍࡋࡓ㸬ᅗ  D ࡛ࡣ㸪࢔࣮ࢡࡣ࡯ࡰẕᯈ࡟ᑐࡋ࡚ᆶ┤࡟Ⓨ⏕ࡋ㸪㔮ࡾ㚝≧ࡢᙧ≧ࢆ♧ࡋ࡚࠸ࡿ㸬ᅗ  E ࡛ࡣ㸪࢔࣮ࢡࡀ⁐᥋᪉ྥ࡬೫ྥࡋ࡚࠸ࡿᵝᏊࡀぢࡽࢀࡿ㸬እ㒊☢ሙࢆ௜୚ࡋࡓሙྜ㸪☢ሙ࡜࢔࣮ࢡ㟁ὶࡢ┦஫స⏝࡟ࡼࡾ㸪࢔࣮ࢡ࡟ࡣࣇ࣑ࣞࣥࢢࡢᕥᡭࡢἲ๎࡟ᇶ࡙ࡁ⁐᥋᪉ྥ㸦ᅗᕥ᪉ྥ㸧࡬ࡢ㟁☢ຊࡀ⏕ࡌࡿ㸬ࡑࡢࡓࡵ࢔࣮
ࢡࡣ⁐᥋᪉ྥ࡟኱ࡁࡃ೫ྥࡍࡿ㸬๓㏙ࡋࡓࡼ࠺࡟ᮏ
◊✲ࡢᮏ᮶ࡢ┠ⓗࡣ㸪☢ሙࢆ⏝࠸ࡓ⁐ࡅ㎸ࡳไᚚ㸦ቑ኱㸧࡛࠶ࡿࡀ㸪☢ሙࢆ௜ຍࡍࡿࡇ࡜࡟ࡼࡾ࢔࣮
ࢡࡀ೫ྥࡋ㸪࢔࣮ࢡ࠿ࡽẕᯈ࡬ࡢධ⇕ࡀῶᑡࡋ㸪⁐㎸ࡳࡀὸࡃ࡞ࡿྍ⬟ᛶࡀ࠶ࡿ㸬ᅗ  ࡟㏻ᖖࡢ 7,* ⁐᥋࡜☢᮰ᐦᗘ BX=5.1 mT ࡢ☢ሙࢆ௜ຍࡋࡓ (&03⁐᥋ࡢሙྜࡢẕᯈ 73 ࠾ࡼࡧ 73 ୖࡢ㟁ὶศᕸࢆ♧ࡍ㸬ᅗࡼࡾ 7,* ⁐᥋ࡢ 73 ࡢ㟁ὶ್ࡣ ᐃ㛤ጞᚋ⣙  ⛊ࡲ࡛ࡣ⣙ $ ୍࡛ᐃ㸪ࡑࡢᚋᛴ⃭࡟ῶᑡࡋ㸪⣙  ⛊௨㝆ࡣ⣙ $ ࡛࠶ࡗࡓ㸬ࡲࡓ 73 ࡢ㟁ὶࡣ⣙  ⛊࠿ࡽᛴ⃭࡟ୖ᪼ࡋ㸪⣙  ⛊௨㝆ࡣ⣙ $ ୍࡛ᐃ࡛࠶ࡗࡓ㸬୍᪉㸪(&03 ⁐᥋ࡢ 73 ࡣ⣙ ⛊ࡲ࡛ࡣ⣙ $ ୍࡛ᐃ࡛࠶ࡗࡓࡀ㸪ࡑࡢᚋᛴ⃭࡟ῶᑡࡋ㸪⣙  ⛊௨㝆ࡣ $ ࡛࠶ࡗࡓ㸬73 ࡣ㸪࡯ࡰ73 ࡜㏫ࡢศᕸ࡜࡞ࡗࡓ㸬㟁ὶ್ࡀᛴ⃭࡟ୗࡀࡿⅬ࠿ࡽ $ ㎾ࡢ㛫㝸࠾ࡼࡧ㟁ὶ್ࡀᛴ⃭࡟ୖ᪼ࡋ㸪୍ᐃ࡟࡞ࡿࡲ࡛㛫㝸ࡀ࢔࣮ࢡࡀẕᯈࡢ㝽㛫㸦PP㸧
ࢆ㏻㐣ࡍࡿ᫬㛫࡜࡞ࡿ㸬ࡇࢀࡼࡾ 7,* ⁐᥋ࡢ࢔࣮ࢡᖜࡣ PP㸪(&03 ⁐᥋ࡣ PP ࡜࡞ࡿ㸬୧⪅ࡢᖜࢆẚ㍑ࡍࡿ࡜㸪(&03 ⁐᥋ࡢ࢔࣮ࢡᖜࡀ⣙  ಸ኱ࡁ࠸㸬ࡇࢀࡣ࢔࣮ࢡࡀ㟁☢ຊ࡟ࡼࡾ⁐᥋᪉ྥ࡬೫
ྥࡋࡓࡓࡵ㸪(&03 ⁐᥋ࡢ࢔࣮ࢡᖜࡀ኱ࡁࡃ࡞ࡗࡓ
࡜⪃࠼ࡽࢀࡿ㸬ᅗ  ࡢ⤖ᯝࡼࡾ㸪ᅗ  ࡛ 7,* ⁐᥋࡜(&03 ⁐᥋ࡢ࢔࣮ࢡࡢ㟁ὶศᕸࡢẚ㍑ࢆ⾜ࡗࡓ㸬ᅗࡼࡾ (&03 ⁐᥋ࡢ㟁ὶศᕸࡢᣑࡀࡾࡀ኱ࡁ࠸ࡇ࡜
ࡀ᫂ࡽ࠿࡛࠶ࡿ㸬ᅗ  ࡟ẕᯈ࡬ὶධࡍࡿ⇕㔞ࡢኚ໬ࢆ♧ࡍ㸬ᅗࡼࡾὶධ⇕㔞ࡣ☢᮰ᐦᗘࡢቑຍ࡟క࠸ῶ
ᑡࡋ㸪᭱኱ ᑠࡉࡃ࡞ࡿ㸬
4. ⤖ㄽᮏ✏࡛ࡣ㸪⁐ࡅ㎸ࡳไᚚࢆ┠ⓗ࡜ࡋࡓ᪂ (&03 ἲ

1000
500
0
0

IA = 180A
IA = 120 A

2

4

6

8

10

12

BX [mT])LJ+HDWGLVWULEXWLRQRQWKHanode surface.㻌
᥋ゐ㠃✚ࡢቑຍࡋ㸪እẼ࡬ࡢᨺᑕ⇕㔞ࡀቑຍࡋࡓࡓ
ࡵ㸪ẕᯈ࡬ࡢὶධ⇕㔞ࡀῶᑡࡋࡓ࡜⪃࠼ࡽࢀࡿ㸬ཧ⪃ᩥ⊩(1) ⏣୰㸪⏣௦㸸࢔࣮ࢡ⁐᥋࡟࠾ࡅࡿྍど໬ᢏ⾡ࡢࢫࢸ࣮ࢺ࣭࢜ࣈ࣭ࢪ࣭࢔࣮ࢺ㸪⁐᥋Ꮫ఍ㄅ  㸪  㸪㸬(2) ୕ᮌ㸪ᑠす㸪ⱱ⏣㸪⏣୰㸪ᮧ⏣㸪ᮧ⏣㸸⊃✽ࣀࢬࣝࢆ⏝࠸ࡓࢸ࢕ࢢ⁐᥋࡟࠾ࡅࡿ࢔࣮ࢡࣉࣛࢬ
࣐⌧㇟ࡢᐇ㦂ほᐹ㸪⁐᥋Ꮫ఍ㄽᩥ㞟   
㸦ඹྠ◊✲ศ㔝㸸࢚ࢿࣝࢠ࣮ไᚚᏛศ㔝㸧− 38 −

⁐᥋࢔࣮ࢡ⌧㇟㸪⁐⼥ụ⌧㇟࠾ࡼࡧ⁐᥋㍺㏦⌧㇟ゎᯒ㸦࢔࣮ࢡ⁐᥋࡟࠾ࡅࡿ⥅ᡭᙧᡂ⌧㇟ࡢゎ᫂➼㸧ᐑᓮ኱ᏛᕤᏛ㒊 Ᏻ஭ ㈼ኴ㑻㸬ࡣࡌࡵ࡟
ࣉࣛࢬ࣐ 0,* ࣁ࢖ࣈࣜࢵࢻ⁐᥋ࡣ㸪ࣉࣛࢬ࣐ࢺ࣮ࢳ࡜ 0,* ࢺ࣮ࢳࡀࡑࢀࡒࢀ㟁ᴟ㝜ᴟ㸦(1㸧࡜㟁ᴟ㝧ᴟ㸦(3㸧࡟᥋⥆ࡉࢀ㸪ࣉࣛࢬ࣐ࢺ࣮ࢳࡀඛ⾜ࡋ࡚㛤ඛࡢ῝㒊ࢆ⁐᥋ࡋ㸪ᚋ᪉࡟࠶ࡿ 0,* ࢺ࣮ࢳ࡛㛤ඛࡢὸ㒊ࢆ⁐᥋ࡍࡿࣉࣟࢭࢫ࡛࠶ࡾ㸪῝㒊ᾐ㏱≉ᛶ࡜㧗࠸⁐᥋㏿ᗘࢆවࡡഛ࠼ࡓ᪂ࡋ࠸⁐᥋ᢏ⾡࡛࠶ࡿ㸬ࡋ࠿ࡋ࡞ࡀࡽ㸪࢔࣮ࢡࡢ┦஫స⏝ࡢⅭ࡟⌧㇟ࡣ」㞧࡛࠶ࡾ㸪ᚑ᮶ࡢࣉࣛࢬ࣐⁐᥋ཬࡧ 0,* ⁐᥋࡜ẚ㍑ࡋ࡚
⁐᥋ࣉ࣮ࣝࢆᏳᐃ໬ࡍࡿࡇ࡜ࡣᅔ㞴࡛࠶ࡿ㸬ᮏ⁐᥋࡟࠾ࡅࡿ⥅ᡭᙧᡂ࣓࢝ࢽࢬ࣒ࡢ⌮ゎࡣ㸪ࢥࢫࢺ๐ῶ࡜ရ㉁ྥୖ࡞ࡽࡧ࡟ᵝࠎ࡞⏘ᴗศ㔝࡟ᛂ⏝ࡉࡏࡿࡓࡵ࡟㠀ᖖ࡟㔜せ࡛࠶ࡿ㸬ᮏ◊✲࡛ࡣ㸪ࣉࣛࢬ࣐ 0,* ࣁ࢖ࣈࣜࢵࢻ⁐᥋࡟࠾ࡅࡿ⁐᥋᮲௳ࡢ᭱㐺໬࡞ࡽࡧ࡟⥅ᡭᙧᡂ࣓࢝ࢽࢬ࣒ࡢ⌮ゎࢆ┠ⓗ࡜ࡋ࡚࠸ࡿ㸬ᮏᖺᗘࡣ㸪᭱㐺࡞⁐᥋᮲௳ࢆồࡵࡿࡓࡵ࡟㟁ὶ㸪ࢩ࣮ࣝࢻ࢞ࢫཬࡧ⁐᥋㏿ᗘ࡞࡝ࢆኚ࠼ࡓ㔠ᒓᮦᩱࡢ⁐᥋ࢆ⾜࠸㸪⁐᥋ရ㉁ࢆ☜ㄆࡍࡿࡓࡵ࡟⁐᥋ヨ㦂∦ࡢほᐹࢆᐇ᪋ࡍࡿࡇ࡜ࢆ┠ᣦࡋࡓ㸬㸬ᐇ㦂᪉ἲ
⁐᥋ᐇ㦂⿦⨨ࡢᴫせᅗ  ࡣࣉࣛࢬ࣐ 0,* ࣁ࢖ࣈࣜࢵࢻ⁐᥋࡟࠾ࡅࡿᐇ㦂⿦⨨ࡢᴫせࢆ♧ࡍ㸬ᐇ㦂⿦⨨ࡣ㸪0,* ⁐᥋⿦⨨࡜ࣉࣛࢬ࣐⁐᥋⿦⨨࡛ᵓᡂࡉࢀࡿ㸬0,* ⁐᥋⿦⨨ࡣỈ෭⁐᥋ࢺ࣮ࢳ㸪࣡࢖ࣖ౪⤥⿦⨨㸪0,* ༙⮬ື⁐᥋㟁※㸦ࢲ࢖࣊ࣥ♫〇 '3㸧࠾ࡼࡧࢩ࣮ࣝࢻ࢞ࢫ࡛ᵓᡂࡋࡓ㸬࣡࢖ࣖࡣ࢔࣑ࣝࢽ࣒࢘ྜ㔠⏝ ĳPP ࣡࢖ࣖ㸦⚄ᡞ〇㗰ᡤ〇 $:<㸧ࢆ⏝࠸ࡓ㸬୍᪉ࡢࣉࣛࢬ࣐⁐᥋⿦⨨ࡣࣉࣛࢬ࣐⁐᥋ࢺ࣮ࢳ㸪ࣉࣛࢬ࣐⁐᥋㟁※㸦᪥㕲⁐᥋ᕤᴗ〇 1:$65㸧㸪ࣉࣛࢬ࣐࢞ࢫ࠾ࡼࡧࢩ࣮ࣝࢻ࢞ࢫ࡛ᵓᡂࡋࡓ㸬⁐᥋ẕᮦ࡟ࡣ࢔࣑ࣝࢽ࣒࢘ྜ㔠 $㸦ᯈཌ㸸㸪㸪PP㸧ࢆ⏝࠸㸪ࡇࢀࢆ㟁ືᘧ┤⥺⛣ືࢫࢸ࣮ࢪ࡟タ⨨ࡍࡿࡇ࡜࡟ࡼࡾ㸪⛣ືࡋ࡞ࡀࡽ⁐᥋ẕᮦࢆ᥋ྜࡍࡿࡇ࡜ࡀྍ⬟࡜࡞ࡿ㸬ࡲࡓ㸪ᮏᐇ㦂⿦⨨࡟㧗㏿ᗘࣅࢹ࣓࢜࢝ࣛཬࡧ ; ⥺  ḟඖྍど໬ࢩࢫࢸ࣒  ࢆ⤌ࡳ㎸ࡴࡇ࡜࡛㸪᥋ྜ㐣⛬࡟࠾ࡅࡿ⁐⼥ụࡢὶື࡞࡝ࡢ⌧㇟ࡀእ㒊ཬࡧෆ㒊࠿ࡽほᐹࡍࡿࡇ࡜ࡀྍ⬟࡜࡞ࡾ㸪⥅ᡭᙧᡂ⌧㇟ࡢゎ᫂࡟⧅ࡀࡿࡶࡢ࡜⪃࠼ࡽࢀࡿ㸬
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ᅗ 㸬ࣉࣛࢬ࣐ 0,* ࣁ࢖ࣈࣜࢵࢻ⁐᥋࡟࠾ࡅࡿᐇ㦂⿦⨨ࡢᴫ␎ᅗ

− 39 −

⁐᥋ရ㉁ࡢホ౯⁐᥋ရ㉁ࢆホ౯ࡍࡿⅭ࡟࢔࣑ࣝࢽ࣒࢘ྜ㔠 $ ࡢᯈ㸦îW PP㸧 ᯛࢆ✺ࡁྜࢃࡏ⁐᥋ࡋ㸪⁐᥋᪉ྥ࡟┤஺ࡍࡿࡼ࠺࡟ᯈࢆษ᩿ࡋ࡚⁐᥋ヨ㦂∦ࢆᚓࡿ㸬⁐᥋ヨ㦂∦ࡣᘬᙇヨ㦂㸪◳ࡉヨ㦂࡞࡝ࡢᶵᲔヨ㦂ࡸ⤌⧊ヨ㦂࡟⏝࠸ࡿ㸬⤌⧊ヨ㦂࡛ࡣ㸪⁐᥋ヨ㦂∦࠿ࡽ⁐᥋㒊ศࢆษࡾฟࡋ㸪᩿㠃ࡢ◊☻࣭࢚ࢵࢳࣥࢢࢆ⾜ࡗࡓヨᩱࢆ⏝࠸࡚࣐ࢡࣟ⤌⧊ࡢほᐹࢆ⾜࠺㸬ほᐹ࡛ࡣ㸪⁐᥋ࣅ࣮ࢻࡢᙧ≧ࡸ⁐᥋Ḟ㝗㸦ࣈ࣮࣮ࣟ࣍ࣝ࡞࡝ࡢẼᏍ㸪⼥ྜ୙Ⰻ㸪⁐᥋୙Ⰻ㸪๭ࢀ㸧ࢆ☜ㄆࡍࡿ㸬㸬ᐇ㦂⤖ᯝ
⁐᥋ᐇ㦂࡛ࡣ㟁ὶ್㸪ࢩ࣮ࣝࢻ࢞ࢫὶ㔞࡞࡝ࡢ᮲௳ࢆኚ࠼࡚⁐᥋ࢆ⾜ࡗࡓࡀ㸪᭱㐺࡞⁐᥋᮲௳ࢆᚓࡿࡇ࡜
ࡀ࡛ࡁ࡚࠸࡞࠸㸬ᅗ  ࡣ⁐᥋ᐇ㦂࡛స〇ࡉࢀࡓ⁐᥋㒊ࡢ᩿㠃ࢆ♧ࡍ㸬ẕᮦ࡜⁐╔㔠ᒓࡢ⼥ྜ୙Ⰻࡸඛ⾜ࡢ0,* ⁐᥋࡜ᚋ⾜ࡢࣉࣛࢬ࣐⁐᥋ࡢࡎࢀࡀぢࡽࢀࡓ㸬௒ᚋ㸪᭱㐺࡞⁐᥋᮲௳ࢆ☜❧ࡋ⁐᥋㒊ࡢほᐹࢆᐇ᪋ࡍࡿ㸬
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D  ⼥ྜ୙Ⰻ   E  ⁐᥋ࣅ࣮ࢻࡢࡎࢀᅗ 㸬⁐᥋㒊ࡢ᩿㠃㸦ᯈཌ㸸PP㸪࣮ࣝࢺ㛫㝸㸸PP㸪◊☻ࡢࡳ㸧

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ཧ⪃ᩥ⊩
  ⏣௦┿୍㸪⏣୰Ꮫ㸹㧗㍤ᗘ ; ⥺㏱㐣ᆺ⁐᥋᥋ྜᶵᵓ  ḟඖྍど໬ࢩࢫࢸ࣒㸪⁐᥋Ꮫ఍ㄅ   㸪SS
㸦ඹྠ◊✲ศ㔝㸸࢚ࢿࣝࢠ࣮ไᚚᏛศ㔝㸧− 40 − ࣁ࢖ࣈ ࣜ ࢵࢻ⁐᥋ ࡟ ࠾ࡅࡿ㉸ ྜ 㔠⁐᥋ᢏ ⾡ ࡢ☜❧ᐑᓮ኱Ꮫ ᩍ⫱Ꮫ㒊‫‮‬ᆅᩄྐ㸯 ࡣࡌ ࡵ࡟ ⌧ ᅾ ࠊ〇 㕲 ࡸ ⮬ ື ㌴ ⏘ ᴗ ࡞ ࡝ ࡟ ࠾ ࠸ ࡚ ࡣ ࠊ㗰 ᮦ ࡸ ࢔ ࣝ ࣑ ᮦ ࡢ ᯈ ཌ ࡀ ኱ ࡁ ࠸ ᮦ ᩱ ࡢ Ᏻ ᐃ ࡋ ࡓ ⁐ ᥋ ᢏ⾡ ࡀ ồ ࡵ ࡽ ࢀ ࡚ ࠸ ࡿ ࠋࡇ ࡢ 㝿 ࠊࢩ ࣥ ࢢ ࣝ ࣃ ࢫ ⁐ ᥋ ࡛ ࡣ ⁐ ᥋ ࢆ 㐩 ᡂ ࡛ ࡁ ࡎ ࠊ࣐ ࣝ ࢳ ࣃ ࢫ ⁐ ᥋ ࡢ 㐺 ⏝ ࡀ
ᚲ せ ࡜ ࡞ ࡿ ࡀ ࠊࡇ ࢀ ࡣ ẕ ᮦ ࡬ ࡢ ධ ⇕ ࢆ 㐣 ๫ ࡞ ࡶ ࡢ ࡜ ࡋ ࠊ⁐ ᥋ ⥅ ᡭ ࡢ ရ ㉁ ࡸ Ᏻ ඲ ᛶ ࡢ ☜ ಖ ࢆ ᅔ 㞴 ࡞ ࡶࡢ࡜ࡋ࡚࠸ࡓࠋࡑ ࡇ ࡛ ࡇ ࢀ ࡲ ࡛ ⴭ ⪅ ࡣ ࠊ⁐ ᥋ ᫬ ࡟ ࣉ ࣛ ࢬ ࣐ ࢔ ࣮ ࢡ ࡜ ࣑ ࢢ ࢔ ࣮ ࢡ ࢆ ే ⏝ ࡍ ࡿ ࡇ ࡜ ࡛ ࠊࢩ ࣥ ࢢ ࣝ ࣃ ࢫ࡛ ࡢ ᯈ ཌ 㗰 ᮦ ཬ ࡧ ᯈ ཌ ࢔ ࣝ ࣑ ᮦ ➼ ࡢ ᥋ ྜ ࢆ ┠ ᣦ ࠋᮏ ㅮ ₇ ࡛ ࡣ ࣉ ࣛ ࢬ ࣐ ̿ ࣑ ࢢ 」 ྜ ⁐ ᥋ ἲ ࡟ ࠾ ࡅ ࡿ ⁐⼥ụᙧᡂ㐣⛬࡟ࡘ࠸࡚ᇶ♏ⓗ࡞᳨ウࢆ⾜ࡗ࡚ࡁࡓࠋᮏ ◊ ✲ ࡛ ࡣ ࠊࣉ ࣛ ࢬ ࣐ ̿ ࣑ ࢢ 」 ྜ ⁐ ᥋ ࢆ ᥦ ᱌ ࡋ ࡚ ࠊᚑ ᮶ ࡢ ᯈ ཌ 㗰 ᮦ ࡸ ᯈ ཌ ࢔ ࣝ ࣑ ᮦ ࡢ ⁐ ᥋ ἲ ࡟ ࠾࠸ ࡚ ࠊ᭱ ࡶ ୍ ⯡ ⓗ ࡛ Ᏻ ᐃ ࡞ ࢔ ࣉ ࣟ ࣮ ࢳ ࡣ ࣑ ࢢ ⁐ ᥋ ἲ ࢆ ⏝ ࠸ ࡚ ࠊᯈ ཌ 㗰 ᮦ ࠊᯈ ཌ ࢔ ࣝ ࣑ ᮦ ➼ ࡟ ᑐ ࡋ ࡚㐺⏝ྍ⬟࡞ࣉࣛࢬ࣐㸫࣑ࢢ」ྜ⁐᥋ἲࡢ㛤Ⓨࢆ┠ᶆ࡜ࡍࡿࠋ㸰 ◊✲᪉ἲᅗ 1 ࡟ ᐇ 㦂 ⿦ ⨨ እ ほ ࢆ ♧ ࡍ ࠋ ࣑ ࢢ ⁐ ᥋ 㟁 ※ ࡣ OTC Daihen 〇 DA 500Pࠊ ࣉ ࣛ ࢬ ࣐ ⁐ ᥋ 㟁 ※ ࡣ ᪥㚩 ఫ 㔠 ⁐ ᥋ ᕤ ᴗ 〇 NW-300ASR ࡛ ࠶ ࡿ ࠋ ඛ ⾜ ഃ ࡢ ࣉ ࣛ ࢬ ࣐ ࢺ ࣮ ࢳ ࡣ ᆶ ┤ タ ⨨ ࡜ ࡋ ࠊ ᚋ ⾜ ഃ ࡢ ࣑ ࢢࢺ ࣮ ࢳ ࡢ ๓ 㐍 ゅ ࡣ 30 ᗘ ࡜ ࡍ ࡿ ࠋ ࣉ ࣛ ࢬ ࣐ ࢺ ࣮ ࢳ ࡢ ࢫ ࢱ ࣥ ࢻ ࢜ ࣇ ࡣ 5mm ࡟ タ ᐃ ࡍ ࡿ ࠋ ⁐ ⼥ ụ ほ ᐹ࡟ ࡣ ࣃ ࣝ ࢫ ࣞ ࣮ ࢨ ↷ ᫂ ࢆ ⏝ ࠸ ࡚ ࠊࡇ ࢀ ࡜ ྠ Ἴ 㛗 ࡢ ࣂ ࣥ ࢻ ࣃ ࢫ ࣇ ࢕ ࣝ ࢱ ࢆ ⏝ ࠸ ࡿ ࡇ ࡜ ࡛ ࠊ࢔ ࣮ ࢡ ࡢ ᙳ㡪 ࢆ ᭱ ኱ 㝈 ప ῶ ໬ ࡋ ࡓ ≧ ែ ࡛ ᧜ ᙳ ࢆ ⾜ ࡗ ࡓ ࠋ ࣞ ࣮ ࢨ ࣮ ࡢ ↷ ᫂ ࡟ ࡣ Cavitar Ltd.〇 ࡢ CAVILUX
HF-M ࢆ ⏝ ࠸ ࡚ ࠸ ࡿ ࠋ㧗 ㏿ ᗘ ࣅ ࢹ ࢜ ࢝ ࣓ (Nac image technology; Q1-v, ࣇ ࣞ ࣮ ࣒ ࣞ ࢖ ࢺ㸸2000fps)࡟ࡣࢆ⏝࠸ࡓࠋࣉࣛࢬ࣐⁐᥋ࡢࣉࣛࢬ࣐࢞ࢫ
ཬࡧࢩ࣮ࣝࢻ࢞ࢫࡣ⣧࢔ࣝࢦࣥ࡜ࡋ࡚ࠊࡑࢀࡒ ࢀ ὶ 㔞 2.5 L/min ཬ ࡧ 10 L/min ࡛ ᑟ ධ ࡋ ࠊࣉ ࣛ ࢬ ࣐ 㟁 ὶ ࢆ 265 Aࠊ ࣑ ࢢ 㟁 ὶ ࢆ ࣃ ࣝ ࢫ 㟁ὶ 175 A ࡜ ࡋ ࡓ ࠋ࣑ ࢢ ⁐ ᥋ ࡢ ࢩ ࣮ ࣝ ࢻ ࢞ ࢫ ࡣ࢔ ࣝ ࢦ ࣥ㸦 ὶ 㔞 15 L/min㸧࡜ ࡍ ࡿ ࠋᐇ 㦂 ࡛ ࡣࡲࡎࠊࣉࣛࢬ࣐࢔࣮ࢡࢆⅬᘼࡋࠊ࣮࣮࢟࣍ࣝ
ᙧᡂࡀ☜ㄆࡉࢀࡓᚋࠊ࣑ࢢ⁐᥋ࢆ㛤ጞࡍࡿࠋほ ᐹ ࡣ ࣉ ࣛ ࢬ ࣐ ࢔ ࣮ ࢡ Ⅼ ᘼ 5s ᚋ ࡟ 㛤 ጞ ࡋ ࡓ ࠋ             

Fig.1 Experimental setup                㸱 ᐇ㦂⤖ᯝཬࡧ⪃ᐹ
ᅗ 2 ࡣࠊࣉࣛࢬ࣐࣑̿ࢢ」ྜ⁐᥋࡟࠾ࡅࡿ࢔࣮ࢡཬࡧ⁐⼥ụࡢእほ⏬ീࢆ♧ࡍࠋࡇࡇ࡛ࡣᯈཌ
8.0 mm ࡢ ࢔ ࣝ ࣑ ᯈ ࢆ ⁐ ᥋ ࡍ ࡿ ሙ ྜ ࡟ ࡘ ࠸ ࡚ ᳨ ウ ࡍ ࡿ ࠋ⁐ ᥋ ㏿ ᗘ ࡣ 2.0 mm/s ࡜ ࡋ ࡓ ࠋ (a)ࣉ ࣛ ࢬ ࣐ഃ ࡀ Electrode Positive (EP)ᮇ 㛫 ࡛ ࣑ ࢢ ഃ ࡀ ࣋ ࣮ ࢫ ᮇ 㛫 ࡢ ሙ ྜ ࠊ(b)ࣉ ࣛ ࢬ ࣐ ഃ ࢆ EP ᮇ 㛫 ࡛ ࣑ ࢢ ഃࡀ ࣆ ࣮ ࢡ ᮇ 㛫 ࡢ ሙ ྜ ཬ ࡧ (c) ࣉ ࣛ ࢬ ࣐ ഃ ࢆ Electrode Negative (EN)ᮇ 㛫 ࡛ ࣑ ࢢ ഃ ࡀ ࣆ ࣮ ࢡ ᮇ 㛫 ࡢሙ ྜ ࡟ ࡘ ࠸ ࡚ ౛ ♧ ࡋ ࡓ ࠋ⁐ ᥋ 㛤 ጞ ᩘ ⛊ ᚋ ࡟ ࣉ ࣛ ࢬ ࣐ ഃ ⁐ ⼥ ụ ࡜ ࣑ ࢢ ഃ ⁐ ⼥ ụ ࡣ ⼥ ྜ ࡋ ࠊ༢ ୍ ⁐ ⼥ ụࢆ ᙧ ᡂ ࡍ ࡿ ࡇ ࡜ ࡀ ☜ ㄆ ࡉ ࢀ ࡓ ࠋ⁐ ⼥ ụ ⾲ 㠃 ཬ ࡧ ෆ 㒊 ࡢ ὶ ࢀ ሙ ࡞ ࡽ ࡧ ࡟ ⾲ 㠃⊩ [1]࡜ ྠ ᵝ ࡢ ᡭ ἲ ࡟ ࡼ ࡾ ヲ ⣽ ࡟ ィᗘ ࡟ ࡘ ࠸ ࡚ ࡣ ࠊ௒ ᚋ ᩥࡉࢀࡿணᐃ࡛࠶ࡿࠋ⌧᫬Ⅼ࡛ື⏬࠿ࡽᚓࡽࢀࡿ᝟ሗุ࡛᩿ࡍ

− 41 −ࡿ 㝈 ࡾ ࠊࣉ ࣛ ࢬ ࣐ ഃ ࠿ ࡽ ࡣ ࢔ ࣮ ࢡ ࡟ ࡼ ࡿ ࡏ ࢇ ᩿ ຊ ࢆ 㥑ືຊ࡜ࡋࡓᚋ᪉࡬ࡢὶࢀࡀᙧᡂࡉࢀࡿᵝ࡟ぢ࠼ࡓ
[2][3]ࠋ୍ ᪉ ࠊ࣑ ࢢ ഃ ࠿ ࡽ ࡣ ๓ ᪉ ࡬ ࡢ ὶ ࢀ ࡀ ᙧ ᡂ ࡉ ࢀ ࠊࡑ ࡢ ㏿ ᗘ ࡣ ࣉ ࣛ ࢬ ࣐ ഃ ࡢ ࡶ ࡢ ࡼ ࡾ ࡶ ኱ ࡁ ࡃ ࠊ≉ ࡟ ࣉ ࣛࢬ ࣐ ഃ ࡀ EP ᮇ 㛫 ࡛ ࣑ ࢢ ഃ ࡀ ࣆ ࣮ ࢡ ᮇ 㛫 ࡜ ࡞ ࡿ ᫬ ᭱ ኱࡜ ࡞ ࡿ ᵝ ࡛ ࠶ ࡿ ࠋ࣑ ࢢ ഃ ࡢ ὶ ࢀ ࡢ ㏿ ᗘ ࡣ ᇶ ᮏ ⓗ ࡟ ࣑ ࢢ㟁ὶ್࡟౫Ꮡࡍࡿࡶࡢ࡜⪃࠼ࡽࢀࡿࠋࣉࣛࢬ࣐ഃࡀ
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Au-Ag ࡢ⭷ᙧᡂࡣ㟁Ẽ໬Ꮫ ᐃ⿦⨨㸦HZ7000ࠊ໭ᩯ㟁ᕤᰴ㸧ࢆ⏝࠸࡚⾜ࡗࡓࠋ⾲  ࡟⁐ᾮᵓᡂ[6]ࢆ♧ࡍࠋ700 mV vs. Ag/AgCl ศࡢ㟁ᯒᚋ °Cࠊ❅⣲୰  ᫬㛫ࡢ⇕ฎ⌮ࢆ⾜ࡗࡓࠋ㑅ᢥ⁐ゎࡣ 0 ◪㓟ࢆ⏝࠸ࠊ1.5 V vs.
Ag/AgCࠊ1 ศࡢ㟁఩ไᚚ࡟ࡼࡾ⾜ࡗࡓࠋ⭷⤌ᡂศᯒࡣ ICP-MS㸦ICAP-Qࠊ
Thermo Scientific㸧ࡸ GD-OES JY-5000RFࠊᇼሙ〇సᡤ  ࢆ⏝࠸࡚⾜ࡗࡓࠋヨ⸆⃰ᗘ
HAuCl4·4H2O 1 mM
AgNO3
2 mM
Thiourea
0.2 M
H2SO4
0.01M

ᙧែほᐹࡣ FE-SEM㸦S-4800ࠊओ᪥❧ࣁ࢖ࢸࢡࣀࣟࢪ࣮ࢬ㸧ࢆ⏝࠸࡚⾜ࡗࡓࠋ⤖ᯝ  Au-Ag 㟁ᯒ⭷ࡢ⤌ᡂศᯒ࡜ᙧែほᐹ⤖ᯝ
GDOES ࢆ⏝࠸ࡓ㑅ᢥ⁐ゎᚋࡢ⭷῝ࡉ᪉ྥࡢ⤌ᡂศᯒࢆᅗ 1 ࡟♧ࡍࠋ⇕ฎ⌮ࡢ࡞࠸ሙྜ࡜ 100Υࡢ⇕ฎ⌮᭷ࡢ
ヨᩱࡢ ᐃ⤖ᯝࢆ♧ࡍࠋ⇕ฎ⌮ࡢ࡞࠸ヨᩱ࡟࠾࠸࡚ࡣ⾲㠃࡟ Ag ࡢ⃰໬ᒙࡀほ ࡉࢀࡓࠋ⇕ฎ⌮ࢆ⾜ࡗࡓヨᩱ࡟࠾࠸࡚ࡣࡇࡢ⃰໬ᒙࡀ࡞ࡃࠊ⭷୰࡛ࡢ Ag ࡢ๭ྜࡀపࡃ࡞ࡗ࡚࠸ࡿࡇ࡜ࡀ☜ㄆࡉࢀࡓࠋస〇ࡋࡓ Au-Ag 㟁ᯒ⭷ࡢ FE-SEM ീࢆᅗ 2 ࡟♧ࡍࠋ⇕ฎ⌮ࡢ࡞࠸ሙྜ㸦a㸧࡜ 100Υࡢ⇕ฎ⌮ᚋ (b)ࠊࡑࢀࡒࢀ
ࡢ⁐ゎᚋࡢᙧែࢆ♧ࡍ (cࠊ d)ࠋ100Υࡢ⇕ฎ⌮࡟ࡼࡾ᫂☜࡞⢏Ꮚᙧ≧ࡸ⢏Ꮚࡢ⢒኱໬ࡀ☜ㄆࡉࢀࡓࠋ ⇕ฎ⌮ࡢ࡞࠸ሙྜ࡟ࡣ᫂☜࡞㑅ᢥ⁐ゎࡀ㉳ࡇࡗ࡚࠾ࡽࡎࠊ⭷ࡀ୍ᵝ࡟⁐ゎࡋ࡚࠸ࡓࠋ୍᪉ 100 Υ࡛⇕ฎ⌮ࢆ⾜ࡗࡓヨᩱ࡛ࡣ⇕ฎ⌮ᚋ࡟ 10 nm ࡢࢼࣀ࣏࢔ࡀほᐹࡉࢀࠊ㑅ᢥ⁐ゎࡀ☜ㄆࡉࢀࡓࠋ

(a) ⇕ฎ⌮࡞ࡋ(b) ⇕ฎ⌮࠶ࡾ

ᅗ 1  GDOES ࡟ࡼࡿ㑅ᢥ⁐ゎᚋࡢ Au-Ag 㟁ᯒ⭷ࡢ⭷୰⤌ᡂศᯒ− 53 −








100 nm





(a) ᐊ

(b) 100 °C ⇕ฎ⌮(c) ᐊ ࠊ⁐ゎ(d) 100 °C ⇕ฎ⌮ࠊ⁐ゎ












ᅗ 2Au-Ag 㟁ᯒ⭷ࡢ FE-SEM ീ    ⤖ㄽ

$X$J 㟁ᯒ⭷࡜㑅ᢥ⁐ゎ࡟ࡼࡿࢼࣀ࣏࣮ࣛࢫᵓ㐀ࡢ᳨ウࢆ㐍ࡵࡓࠋࢼࣀ࣏࣮ࣛࢫᙧᡂࣉࣟࢭࢫ࡟࠾࠸࡚⭷⾲㠃࡟ $J ⃰໬ᒙࡀᙧᡂࡉࢀࡿሙྜࡀ࠶ࡗࡓࠋ100Υࡢ⇕ฎ⌮࡟ࡼࡾ᫂☜࡞⢏Ꮚᙧ≧ࡸ⢏Ꮚࡢ⢒኱໬ࡀ☜ㄆࡉࢀࠊ㻌

10 nm ࡢࢼࣀ࣏࢔ࡀほᐹࡉࢀࡓࠋ௒ᚋࡉࡽ࡞ࡿゎᯒࠊ࡞ࡽࡧ࡟᥋ྜホ౯ࢆ㐍ࡵ࡚࠸ࡃணᐃ࡛࠶ࡿࠋ
5. ཧ⪃ᩥ⊩[1] J. Erlebacher. M. J. Aziz, A. Karmer, N. Dimitrov, and, K. Sieradzki, Nature., 1410, 450 (2001).
[2] T. Kaneda, J. Mizuno, A. Okada, K. Matsunaga, S Shoji, M. Saito, H. Nishikawa, 2015 International Conference on
Electronic Packaging and iMAPS All Asia Conference (ICEP-IAAC), 473 (2015).
[3] M. Saito, K. Matsunaga, J. Mizuno, H. Nishikawa, 5th Electronics System-Integration Technology Conference, ESTC 2014
Category numberCFP14TEM-ART; Code 109411. Article number 6962819.
[4] K. Matsunaga, Min-Su Kim, H. Nishikawa, M. Saito, J. Mizuno, 55th Electronics System-Integration Technology
Conference, ESTC 2014 Category numberCFP14TEM-ART; Code 109411. Article number 6962855.
[5] Mikiko Saito, Jun Mizuno, Shunichi Koga, Hiroshi Nishikawa, Control for Au-Ag Nanoporous Structure byElectrodeposition and Dealloying, 2018 7th Electronic System-Integration Technology Conference, ESTC 2018 ±Proceedings.
[6] Y-Y. Tang, C-L. Kao. And P-Y. Chen, Analytical Chimica Acta, 711, 32-39 (2012).

    (ඹྠ◊✲ศ㔝㸸ຍᕤࣉࣟࢭࢫᏛศ㔝)− 54 −

㍈᪉ྥᨺ㟁ບ㉳ &2 ࣮ࣞࢨ࣮࡟ࡼࡿ࣏࣐࣮ࣜᶞ⬡ࡢษ๐≉ᛶᒣ᲍኱Ꮫ኱Ꮫ㝔⥲ྜ◊✲㒊
Ᏹ㔝࿴⾜
㸯㸬┠ⓗ
 ᮏ◊✲ࡢ┠ⓗࡣ㸪ⴭ⪅ࡀ㛤Ⓨࡋࡓ࣮ࣞࢨ࣮ࣃࣝࢫἼᙧࡀไᚚྍ⬟࡞㍈᪉ྥᨺ㟁ບ㉳ &2 ࣮ࣞࢨ࣮࡟ࡼࡿ࣮ࣞࢨ
࣮ࣃࣝࢫἼᙧࡀ࣏࣐࣮ࣜᶞ⬡ࡢษ๐ຍᕤ࡟ཬࡰࡍᙳ㡪ࡢㄪᰝ࡛࠶ࡿ  㸬㸰㸬◊✲᪉ἲ  ✀㢮ࡢࢸ࣮ࣝ௜ࡁ▷ࣃࣝࢫࡢ &2 ࣮ࣞࢨ࣮࡟ࡼࡿ㸪ࣇ࢚ࣝࣥࢫ࡜↷ᑕࣃࣝࢫᩘ㸦⥲↷ᑕࣇ࢚ࣝࣥࢫ㸧࡟౫Ꮡࡍࡿ 300$ ᶞ⬡ࡢษ๐≉ᛶࡀㄪᰝࡉࢀࡓ㸬)LJ ࡣ㸪ᐇ㦂࡛౑⏝ࡋࡓ࣮ࣞࢨ࣮ࣃࣝࢫἼᙧ࡛࠶ࡿ㸬 )LJ ࡢ㉥⥺ࡢ࣮ࣞࢨ࣮ࣃࣝࢫࡣᑤ㢌ࣃࣝࢫᖜ QV㸪ࢸ࣮ࣝ㛗 Ps㸪࢚ࢿࣝࢠ࣮ẚ㸦ᑤ㢌ࣃࣝࢫࡢ࢚ࢿࣝࢠ࣮࡟ᑐࡍࡿࢸ࣮ࣝ
ࡢ࢚ࢿࣝࢠ࣮㸧 ࢆ♧ࡋ㸪ᶳ⥺ࡢ࣮ࣞࢨ࣮ࣃࣝࢫࡣᑤ㢌ࣃࣝࢫᖜ QV㸪ࢸ࣮ࣝ㛗 Ps㸪࢚ࢿࣝࢠ࣮ẚ ࢆ♧ࡋ㸪㟷⥺ࡢ࣮ࣞࢨ࣮ࣃࣝࢫࡣᑤ㢌ࣃࣝࢫᖜ QV㸪ࢸ࣮ࣝ㛗 Ps㸪࢚ࢿࣝࢠ࣮ẚ  ࢆ♧ࡍ㸬)LJ ࡣ㸪ᐇ㦂⿦⨨ࡢᶍᘧᅗ࡛࠶ࡿ㸬ຍᕤࢧࣥࣉࣝࡢ⾲㠃ࡣ㸪ࣞࣥࢬ㸦↔Ⅼ㊥㞳 FP㸧ࡢ↔Ⅼ㠃࡟ᅛᐃࡉࢀࡓ㸬ῶ⾶ჾ࡟ࡼࡾ㸪 ࣃࣝࢫ࠶ࡓࡾࡢࣇ࢚ࣝࣥࢫࡀㄪᩚࡉࢀࡓ㸬⧞ࡾ㏉ࡋ࿘Ἴᩘ +] ࡢ࣐ࣝࢳࣃࣝࢫ↷ᑕ࡟ࡼࡾ㸪⥲↷ᑕࣇ࢚ࣝࣥࢫ
ࡀㄪᩚࡉࢀࡓ㸬                  㸦D㸧             㸦E㸧
)LJ ࣮ࣞࢨ࣮ࣃࣝࢫἼᙧ㸬㉥ࡀ࢚ࢿࣝࢠ࣮ẚ 㸪ᶳࡀ࢚ࢿࣝࢠ࣮ẚ 㸪㟷ࡀ࢚ࢿࣝࢠ࣮ẚ  ࢆ♧ࡍ㸬㸦D㸧ࡣ࣮ࣞࢨ࣮ࣃࣝࢫࡢᑤ㢌㒊ศࡢᣑ኱ᅗ㸪
㸦E㸧ࡣ࣮ࣞࢨ࣮ࣃࣝࢫἼᙧࡢ඲యᅗࢆ♧ࡍ㸬

)LJ ⿦⨨ᵓᡂ㸬㸱㸬⤖ᯝ )LJ ࡣ㸪300$ ࡢษ๐ຍᕤ࡟࠾ࡅࡿ㸪࣮ࣞࢨ࣮ࣃࣝࢫἼᙧ࡜  ࣃࣝࢫ࠶ࡓࡾࡢࣇ࢚ࣝࣥࢫ㸪⥲↷ᑕࣇ࢚ࣝࣥࢫ
㸦↷ᑕࣃࣝࢫᩘ㸧࡟౫Ꮡࡍࡿษ๐῝ࡉࡢ≉ᛶࢆ♧ࡍ㸬)LJ㸦D㸧ࡣ㸪 ࣃࣝࢫ࠶ࡓࡾࡢࣇ࢚ࣝࣥࢫ⣙ -FP ࡟࠾ࡅࡿ⥲↷ᑕࣇ࢚ࣝࣥࢫ㸦↷ᑕࣃࣝࢫᩘ㸧࡟౫Ꮡࡍࡿษ๐῝ࡉࡢ≉ᛶࢆ♧ࡍ㸬ษ๐῝ࡉࡣ㸪࣮ࣞࢨ࣮ࣃࣝࢫἼᙧ࡟౫
Ꮡࡋ㸪ᮏᐇ㦂࡛ࡣ㸪࢚ࢿࣝࢠ࣮ẚ  ࡢࢸ࣮ࣝ௜ࡁ▷ࣃࣝࢫࡀ᭱ࡶຠ⋡ࡢࡼ࠸ษ๐ࢆ୚࠼ࡓ㸬ᐇ㦂࡛ࡣ㸪 ࣃࣝࢫ− 55 −                  㸦D㸧             㸦E㸧
)LJ300$ ࡢษ๐≉ᛶ㸬㸦D㸧ࡣ  ࣃࣝࢫ࠶ࡓࡾࡢࣇ࢚ࣝࣥࢫ⣙ -FP ࡢ≉ᛶ࡛࠶ࡾ㸪㉥ࡣ࢚ࢿࣝࢠ࣮ẚ 㸪ᶳࡣ࢚ࢿࣝࢠ࣮ẚ㸪㟷ࡣ࢚ࢿࣝࢠ࣮ẚ  ࡢ࣮ࣞࢨ࣮ࣃࣝࢫἼᙧࢆ♧ࡍ㸬㸦E㸧ࡣ࢚ࢿࣝࢠ࣮ẚ  ࡢ࣮ࣞࢨ࣮ࣃࣝࢫἼᙧࡢ≉ᛶ࡛࠶ࡾ㸪୸ࡣࣇ࢚ࣝࣥࢫ -FP㸪ᅄゅࡣࣇ࢚ࣝࣥࢫ -FP㸪୕ゅࡣࣇ࢚ࣝࣥࢫ -FP ࢆ♧ࡍ㸬࠶ࡓࡾࡢࣇ࢚ࣝࣥࢫࢆ⣙ -FP ࡲ࡛ኚ໬ࡉࡏࡓࡀ㸪)LJ㸦D㸧࡜ྠᵝ࡟㸪࡝ࡢࣇ࢚ࣝࣥࢫ࡛ࡶ࢚ࢿࣝࢠ࣮ẚ ࡢࢸ࣮ࣝ௜ࡁ▷ࣃࣝࢫࡀ᭱ࡶຠ⋡ࡢࡼ࠸ษ๐ࢆ୚࠼ࡓ㸬)LJ㸦E㸧ࡣ㸪࢚ࢿࣝࢠ࣮ẚ  ࡢࢸ࣮ࣝ௜ࡁ▷ࣃࣝࢫ࡟࠾ࡅࡿ⥲↷ᑕࣇ࢚ࣝࣥࢫ㸦↷ᑕࣃࣝࢫᩘ㸧࡟౫Ꮡࡍࡿษ๐῝ࡉࡢ≉ᛶࢆ♧ࡍ㸬ᮏᐇ㦂࡛ࡣ㸪⥲↷ᑕࣇ࢚ࣝࣥࢫ⣙ N-FP ᮍ‶࡟࠾࠸࡚㸪 ࣃࣝࢫ࠶ࡓࡾࡢࣇ࢚ࣝࣥࢫࡢ኱ࡁࡉࡣ㸪ษ๐῝ࡉ࡟኱ࡁࡃᐤ୚ࡋ࡞࠿ࡗࡓ㸬⥲↷ᑕࣇ࢚ࣝࣥࢫ⣙ N-FP ௨ୖ࡟࠾࠸࡚㸪 ࣃࣝࢫ࠶ࡓࡾࡢࣇ࢚ࣝࣥࢫࡢቑຍ࡟ࡼࡾ㸪ษ๐῝ࡉࡣቑຍࡋࡓ㸬㸲㸬⤖ㄽ ࢸ࣮ࣝ௜ࡁ▷ࣃࣝࢫࡢ &2 ࣮ࣞࢨ࣮࡟ࡼࡿ 300$ ࡢษ๐ຍᕤ࡛ࡣ㸪࣮ࣞࢨ࣮ࣃࣝࢫἼᙧࡢᙧ≧ࢆ♧ࡍ࢚ࢿࣝࢠ
࣮ẚࡀຍᕤຠ⋡࡟ᙳ㡪ࢆ୚࠼ࡿࡇ࡜ࡀ᫂ࡽ࠿࡜࡞ࡗࡓ㸬ᮏᐇ㦂࡛ࡣ㸪࢚ࢿࣝࢠ࣮ẚ  ࡢࢸ࣮ࣝ௜ࡁ▷ࣃࣝࢫࡀ᭱ࡶຠ⋡ࡢࡼ࠸ษ๐ࢆ୚࠼ࡓ㸬௒ᚋࡢㄢ㢟ࡣ㸪⧞ࡾ㏉ࡋ࿘Ἴᩘ࡟ࡼࡿ⇕ᙳ㡪ࡸ㸪ࢸ࣮ࣝࣇ࣮ࣜ▷ࣃࣝࢫ࡟ࡼࡿຍᕤ
≉ᛶ㸪300$ ௨እࡢ࣏࣐࣮ࣜᶞ⬡㸦3& ࡸ 3,㸪37)( ࡞࡝㸧ࡢຍᕤ≉ᛶ㸪࣏࣐࣮ࣜᶞ⬡௨እࡢᮦ㉁㸦ᮌᮦ㸪ᶵ⬟ᛶ⣬㸪⏕యᮦᩱ࡞࡝㸧ࡢຍᕤ≉ᛶ࡞࡝ࡢㄪᰝ࡛࠶ࡿ㸬ࡇࢀࡽࡢ◊✲࡟ࡼࡾ㸪ຍᕤࢧࣥࣉࣝ࡟⇕ᙳ㡪㸦Ⅳ໬࡞࡝㸧ࢆ୚࠼࡞࠸㧗ရ㉁࣭㧗ຠ⋡ࡢ &2 ࣮ࣞࢨ࣮ຍᕤࡢᐇ⌧ࢆ┠ᣦࡍ㸬㸳㸬ཧ⪃ᩥ⊩
 .8QR7-LWVXQR³&RQWURORIODVHUSXOVHZDYHIRUPLQORQJLWXGLQDOO\H[FLWHG&2ODVHUE\DGMXVWPHQWRIH[FLWDWLRQFLUFXLW´
2SWLFVDQG/DVHU7HFKQRORJ\  
 .8QR7-LWVXQR³&RQWURORIODVHUSXOVHZDYHIRUPLQORQJLWXGLQDOO\H[FLWHG&2ODVHUE\DGMXVWPHQWRIJDVPHGLXP´
3URFHHGLQJVRI63,(  
㸦ඹྠ◊✲ศ㔝㸸࣮ࣞࢨࣉࣟࢭࢫᏛศ㔝㸧− 56 − ࣮ࣞࢨຍᕤ࡟࠾ࡅࡿࣅ࣮࣒࡜ᮦᩱࡢ┦஫స⏝࡞ࡽࡧ࡟࣮ࣞࢨຍᕤ⌧㇟ࡢゎ᫂ᮾிᕤ⛉኱Ꮫ ᕤᏛ㒊 ኱ஂಖ཭㞞

1.

ࡣࡌࡵ࡟

ࡶࡢ࡙ࡃࡾ❧ᅜࢆ┠ᣦࡍᡃࡀᅜࡣ㸪ṧᛕ࡞ࡀࡽ᭱᪂ࡢຍᕤᢏ⾡࡛࠶ࡿ࣮ࣞࢨࢆ⏝࠸ࡓ㔠ᒓᮦᩱࢆࢱ࣮ࢤࢵ
ࢺ࡜ࡋࡓ 3D ࣉࣜࣥࢱᢏ⾡ (AM: Additive Manufacturing) ࡣḢ⡿࡟኱ࡁࡃᚋࢀࢆྲྀࡗ࡚࠸ࡿࡀ㸪ཎᅉࡢ୍ࡘ
࡜ࡋ࡚ࢩ࣑࣮ࣗࣞࢩࣙࣥᢏ⾡ࡢపࡉࡀ࠶ࡿ㸬࣮ࣞࢨࢆ⏝࠸ࡓ AM ᢏ⾡ࡣ㸪powder bed fusion (PBF) ἲ࡜ laser metal deposition ἲࡢ஧ࡘ࡟኱ูࡉࢀ
ࡿࡀ㸪࡝ࡕࡽࡶ㔠ᒓ⢊ᮎࢆ࣮ࣞࢨ࡛⁐⼥ࡋ㸪จᅛࡉࡏࡿࡇ࡜࡟ࡼࡗ࡚ᡂᙧࢆᐇ⌧ࡍࡿ㸬࡝ࡕࡽࡢ᪉ἲࡶᵝࠎ࡞ၥ㢟࠿ࡽỗ⏝ࡢᩘ್ィ⟬ࢯࣇࢺ࢙࢘࢔࡛ࡣ⌧㇟ࢆ෌⌧ࡍࡿࡇ࡜ࡣᴟࡵ࡚ᅔ㞴࡛࠶ࡿ㸬ᙜヱᖺᗘ࡟࠾࠸࡚ࡣ㸪PBF ἲ࡟㛵ࡋ࡚㸪ࢱ࣮ࢤࢵࢺࡢ⢊ᮎ࡜࣮ࣞࢨ࡜ࡢ┦஫స⏝ࡀࣂࣝࢡࡢᮦᩱ࡜ࡣ኱ࡁ
ࡃ␗࡞ࡿ஦ࢆㄝ᫂ฟ᮶ࡿィ⟬ࣔࢹࣝࡢᵓ⠏ࢆ⾜ࡗࡓ㸬

2.

ィ⟬᪉ἲ

⢊ᮎ୰ࡢྛ⢊యࢆ┿⌫࡜௬ᐃࡋ㸪ග⥺㏣㊧࡟ࡼࡾ⢊యࡢ㞟ྜయ࡛࠶ࡿ⢊ᮎ࡬ࡢ࣮ࣞࢨࡢ྾཰ࣃ࣮࣡ᐦᗘศ
ᕸࡢィ⟬ࢆ⾜ࡗࡓ㸬⢊ᮎࡣ⢊యࡢ㞟ྜయ࡛࠶ࡾ㸪ᐇ㝿ࡢຍᕤᑐ㇟࡟࠾࠸࡚ࡣከᩘࡢ⢊యࡀ✵㛫ୖ࡟Ꮡᅾࡍࡿ㸬ࡑࡢࡓࡵ㸪ග⥺㏣㊧ࢆᐇ᪋ࡍࡿ㝿࡟⾜࠺ᚲせࡀ࠶ࡿ཯ᑕࡍࡿ≀యࡢ᥈⣴ࡣ㸪ィ⟬✵㛫࡟㓄⨨ࡉࢀࡓ≀యࡀከࡅࢀࡤከ࠸࡯࡝ィ⟬㈇Ⲵࡀ㧗ࡃ࡞ࡿ㸬ࡋ࠿ࡋ㸪⢊ᮎ୰ࡢ⢊య඲࡚ࢆィ⟬✵㛫࡟㓄⨨ࡍࡿࡢࡣ⌧ᐇⓗ࡛ࡣ࡞࠸㸬ࡑࡇ࡛㸪ᮏ◊✲࡟࠾࠸࡚ࡣ┿⌫ࡢ⢊యࡀ࿘ᮇⓗ࡟㓄⨨ࡉࢀࡿ࡜௬ᐃࡍࡿࡇ࡜࡟ࡼࡾ㸪኱ᖜ࡞ィ⟬㈇Ⲵࡢప
ῶࢆᐇ⌧ࡋࡓ㸬ලయⓗ࡟ࡣ㸪ᅗ 1 ࡟♧ࡍࡼ࠺࡟࿘ᮇⓗ࡞ᵓ㐀ࡢ༢఩ࢆ㸯ࢭࣝ࡜ࡋ㸪ྛࢭࣝෆ࡟ࡣ㸪㠃ᚰ❧᪉᱁Ꮚ≧ཬࡧయᚰ❧᪉᱁Ꮚ≧࡟⢊యࡀ㓄⨨ࡉࢀ࡚࠸ࡿ࡜௬ᐃࡋ࡚ィ⟬ࢆ⾜࠸㸪ࡑࢀࡽࡢィ⟬࠿ࡽᚓࡽࢀࡓ྾཰ࣃ࣡
࣮ศᕸ➼ࡢᖹᆒ್ࢆィ⟬⤖ᯝ࡜ࡋࡓ㸬3.

ィ⟬⤖ᯝ࡜⪃ᐹࡲࡎ㸪⌫య⾲㠃࡛ࡢ྾཰⋡ࢆࣂࣝࢡࡢ྾཰⋡࡜ࡋ࡚タᐃࡋ㸪ࡑࡢ⌫యࡢ㞟ྜయ࡛࠶ࡿ⢊ᮎ࡬ࡢ྾཰⋡ࢆィ⟬ࡋࡓ㸬ࣂࣝࢡࡢ྾཰⋡࡜⢊ᮎࡢ྾཰⋡࡜ࡢ㛵ಀࢆᅗ 2 ࡟♧ࡍ㸬ᅗ୰࡟ࡶ♧ࡉࢀࡿࡼ࠺࡟㸪ࣂࣝࢡࡢ྾཰⋡ࢆ‫ࡋ࡜ ݔ‬㸪⢊ᮎࡢ྾཰⋡ࢆ ‫࡜ࡿࡍ࡜ ݕ‬㸪௨ୗࡢ㛵ᩘ࡛ࣇ࢕ࢵࢸ࢕ࣥࢢฟ᮶ࡿࡇ࡜ࡀ᫂ࡽ࠿࡟࡞ࡗࡓ㸬‫ ݕ‬ൌ ͳǤͲʹ͹ͻ‫ ݔ‬଴Ǥସ଻଺ଽẚ౛ಀᩘࡣ࡯ࡰ 1 ࡛࠶ࡾ㸪ᣦᩘࡣ࡯ࡰ 0.5 ࡛࠶ࡿࡇ࡜࠿ࡽ㸪⢊ᮎࡢ྾཰⋡ࡣ࡯ࡰࣂࣝࢡࡢ྾཰⋡ࡢᖹ᪉᰿࡛ィ⟬ྍ⬟࡛࠶ࡿࡇ࡜ࡀ♧၀ࡉࢀࡓ㸬ࡍ࡞ࢃࡕ㸪ࡇࡢᘧࢆ⏝࠸ࡿࡇ࡜࡟ࡼࡾ㸪኱㔞ࡢ⢊య࡟ᑐࡍࡿ኱つᶍ࡞ග⥺㏣㊧ࢆᐇ᪋ࡋ࡞ࡃ࡚ࡶᩜࡁワࡵࡓ⢊ᮎ࡬ࡢගࡢ྾཰⋡ࡀ⡆༢࡟ᴫ⟬ฟ᮶ࡿ㸬 ᭦࡟㸪⢊యࡢ┤ᚄ࡜ྠ⛬ᗘ࡟㞟ගࡋࡓ࣮ࣞࢨࢆᶍᨃࡋࡓග⥺ࢆ⢊ᮎ࡟↷ᑕࡋࡓ㝿ࡢ㸪྾཰ࣃ࣮࣡ᐦᗘศᕸࢆ
ィ⟬ࡋࡓ㸬⢊ᮎࡢ඘ሸ⋡ࢆኚ࠼ࡓ஧✀㢮ࡢィ⟬⤖ᯝࢆᅗ 3 ࡟♧ࡍ㸬✵㛫ࢫࢣ࣮ࣝࡣ⢊యࡢ┤ᚄ࡛つ᱁໬ࡋࡓ㸬− 57 −

ᅗ 1 ⢏Ꮚࡢ࿘ᮇⓗ㓄⨨ࡢᴫᛕᅗ   0.66)ሙྜ(a) ࡜㧗࠸((࢖ ൌ00.72)
ᅗ 2 ࣂࣝࢡ࡛ࡢ྾཰⋡࡜⢊ᮎ࡛ࡢ྾཰⋡     ᅗ 3 ඘ሸ⋡ࡀప࠸(࢖ ൌ0࡜ࡢ㛵ಀሙྜ(b)࡜ࡢ྾཰ࣃ࣮࣡ᐦᗘศᕸࡢィ⟬⤖ᯝ࣮࢝ࣛࣂ࣮ࡣᑐᩘ⾲グ࡜࡞࡟࡞ࡗ࡚࠸ࡿࡇ࡜ࢆ⪃࠼ࡿ࡜㸪ධᑕࡉࢀࡓ࣮ࣞࢨගࡣ⢊య 2, 3 ಶ௨ෆࡢ῝ࡉཬࡧᗈࡉࡲ࡛ࡋ࠿྾཰ࡉࢀ࡞࠸ࡇ࡜ࡀศ࠿ࡗࡓ㸬

4.

⤖ㄽ࡜௒ᚋࡢணᐃ

⢊ᮎࡢග྾཰⋡ࡣࣂࣝࢡᮦᩱ᫬ࡢ྾཰⋡ࡢ࠾ࡼࡑᖹ᪉᰿࡛ᴫ⟬ฟ᮶ࡿࡇ࡜ࡀศ࠿ࡗࡓ㸬ࡲࡓ㸪㞟ගࡋࡓ࣮ࣞࢨࡣᩜࡁワࡵࡓ⢊ᮎࡢ┤ᚄ 2,3 ಶ௨ෆࡢ㡿ᇦ࡟ࡋ࠿྾཰ࡉࢀ࡞࠸ࡇ࡜ࡀศ࠿ࡗࡓ㸬௒ᚋࡣ㸪ࡇࡢ⢊ᮎ࡬ࡢ྾཰ࣃ࣮࣡ᐦᗘศᕸࢆ⏝࠸ࡓ࣐ࢡࣟ࡞⇕ὶయィ⟬ࢆᐇ᪋ࡋ㸪ࢫࣃࢵࢱࡢ㣕ࡧ᪉[1] ➼ࢆㄝ᫂ฟ᮶ࡿィ⟬ࣔࢹࣝࡢᵓ⠏ࢆ┠ᣦࡍ㸬5.

ཧ⪃ᩥ⊩

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M. Tsukamoto, R. Nishii, Y. Muraki, T. Shi- nonaga, M. Yoshida, M. Takahashi, and N. Abe, Appl. Surf. Sci. 313,
pp. 730-735 (2014).
(2) R. K. Jamal, International Journal of Application or Innovation in Engineering & Management (IJAIEM) 2, 451²
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[1] O. Isabella, et al:Appl. Phys. Lett. 97, 101106 (2010).
[2] ÈÄÃâ቏ êĦ¸ĝ቏ ¡ąÔÐ቏ ÀęÑċ቏ ïÛ´ď቏ Ć´į)ÅªÇĴ቏ ቙ቘቚቐቓ቗ቐቒቓቕ቏
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5. ¹±č¢ Ëø­qÏë¶³î»ôĕ ĝê  þĕKe_NAIÇGk]H:`Ğ°È ቎቏  ā  ¡  þ ė©|®éý£Čě ቍ hFZiKIČě− 67 −

㉸▷ࣃࣝࢫ࣮ࣞࢨㄏ㉳ࢼࣀ࿘ᮇᵓ㐀ᙧᡂ࡟ࡼࡿ
㧗ᗘ⏕యᮦᩱ๰ᡂ࡟㛵ࡍࡿ◊✲ᒸᒣ኱Ꮫ ኱Ꮫ㝔 ⮬↛⛉Ꮫ◊✲⛉⠛Ọᮾ࿃㸯㸬⫼ᬒ࠾ࡼࡧ┠ⓗࢳࢱࣥ㸦Ti㸧ࡸ Ti ྜ㔠࡞࡝ࡢ Ti 〇㔠ᒓᮦᩱࡣ㧗⪏㣗ᛶ࠾ࡼࡧᶵᲔⓗᛶ㉁࡟ඃࢀࡿᛶ㉁ࢆ᭷ࡋ࡚࠾ࡾ㸪⏕య⏝࢖ࣥࣉࣛࣥࢺᮦᩱ࡜ࡋ࡚᭱ࡶ౑⏝ࡉࢀࡿ㔠ᒓᮦᩱࡢ୍✀࡛࠶ࡿ㸬ࡋ࠿ࡋ㸪Ti 〇㔠ᒓᮦᩱࡣ⏕య୙άᛶ࡛࠶ࡾ㸪࢖ࣥࣉࣛࣥࢺᇙධ᫬࡟࠾࠸࡚㦵෌⏕࡟᫬㛫ࡀ࠿࠿ࡿ࡞࡝ၥ㢟Ⅼࢆ᭷ࡋ࡚࠸ࡿ㸬ࡇࢀࡽࡢၥ㢟ⅬࢆゎỴࡍࡿࡓࡵ㸪Ti 〇㔠ᒓᮦᩱ࡟ᑐࡋ࡚᪂ᶵ⬟ࢆ௜୚ࡍࡿᢏ⾡ࡀồࡵࡽࢀ࡚࠸ࡿ㸬㏆ᖺ㸪⏕యᮦᩱ࡬ࡢ᪂ᶵ⬟௜୚ࡢ᭷ຠ࡞ᡭἲࡢ୍ࡘ࡟㸪ᮦᩱ⾲㠃࡬࿘ᮇࡸ῝ࡉࡀᩘ 100 nm ⛬ᗘࢆ᭷ࡍࡿ࿘ᮇⓗᚤ⣽ᵓ㐀㸦ࢼࣀ࿘ᮇᵓ㐀㸧ࢆᙧᡂࡋ㸪⣽⬊ࢆࢼࣀ࿘ᮇᵓ㐀ࡢ⁁᪉ྥ࡟ἢࡗ࡚ఙᒎࡉࡏࡿ⣽⬊ఙᒎไᚚ㸦⣽⬊㓄ྥᛶ௜୚㸧ࡀ╔┠ࡉࢀ࡚࠸ࡿ㸬㦵ᙧᡂ࡟ᐤ୚ࡍࡿ㦵ⱆ⣽⬊ࡢ⣽⬊㓄ྥᛶไᚚ࡟ࡼࡾ㸪㦵෌⏕᫬㛫ࡀ▷⦰࡛ࡁࡿྍ⬟ᛶࡀ᫂ࡽ࠿࡟࡞ࡗ࡚࠸ࡿ㸬Ti 〇㔠ᒓᮦᩱୖ࡬ࡢࢼࣀ࿘ᮇᵓ㐀ࡢᙧᡂ࡟ࡣ㉸▷ࣃࣝࢫ࣮ࣞࢨࡀ᭷ຠ࡞ࢶ࣮ࣝࡢ୍✀࡛࠶ࡿ࡜⪃࠼ࡽࢀࡿ㸬㉸▷ࣃࣝࢫ࣮ࣞࢨࢆ㔠ᒓࡸ༙ᑟయ⾲㠃࡟㞟ග↷ᑕࡋ㸪」ᩘᅇ↷ᑕࡍࡿ࡜࣮ࣞࢨἼ㛗ࡼࡾ▷࠸࿘ᮇࢆ᭷ࡍࡿࢼࣀ࿘ᮇᵓ
㐀ࡀ࣮ࣞࢨࡢ㞟ගࢫ࣏ࢵࢺෆ㒊࡟⮬ᕫ⤌⧊ⓗ࡟ᙧᡂࡉࢀࡿ㸬ࡲࡓ㸪ᙧᡂࡉࢀࡿ⁁ࡢ᪉ྥࡣ࣮ࣞࢨࡢ೫ග࡟౫Ꮡࡍࡿ
ࡓࡵ㸪೫ගࢆไᚚࡍࡿࡇ࡜࡟ࡼࡗ࡚ᙧᡂࡍࡿ⁁᪉ྥࢆኚ໬ࡉࡏࡿࡇ࡜ࡀ࡛ࡁࡿ㸬ࡇࢀࡲ࡛ࡢ◊✲࡛㸪㙾㠃◊☻ࢆ᪋ࡋࡓ⣧ Ti ᇶᯈ⾲㠃࡟ᑐࡋ࡚㉸▷ࣃࣝࢫ࣮ࣞࢨගࢆ↷ᑕࡍࡿࡇ࡜࡛ᮦᩱ⾲㠃࡟ࢼࣀ࿘ᮇᵓ㐀ࢆᙧᡂࡍࡿࡇ࡜ࡀ࡛ࡁ㸪ᙧᡂࡋࡓࢼࣀ࿘ᮇᵓ㐀ࡢ⁁࡟ἢࡗ࡚ࣄࢺ㦵ⱆ⣽⬊ࡀ㓄ྥࡍࡿࡇ࡜ࢆ᫂ࡽ࠿࡟ࡋ࡚ࡁࡓ 1)㸬ࡇࡇ࡛㸪⣽⬊㓄ྥᛶࡢྥୖࡢࡓࡵ࡟ࡣ㸪⣽⬊ࡀᇶᯈ࡜᥋╔㸪ఙᒎࡍࡿࡓࡵ࡟㔜せ࡞㒊఩࡛࠶ࡿ᥋╔ᩬࡢࢧ࢖ࢬ࡜㸪ࢼࣀ࿘ᮇᵓ㐀ࡢ⁁࠾ࡼࡧ῝ࡉࡢ㛵ಀᛶࡀ㔜せ࡛࠶ࡿ࡜⪃࠼ࡽࢀࡿ㸬᫖ᖺᗘࡲ࡛ࡢ◊✲ᡂᯝ࡟ࡼࡾ㸪࣮ࣞࢨㄏ㉳ࢼࣀ࿘ᮇᵓ㐀ᙧᡂ࡟ࡼࡿ⣽⬊㓄ྥᛶࡢྥୖ࡟ࡣ࠶ࡿ⛬ᗘฝ㒊㧗ࡉࡀ኱ࡁࡃ࠿ࡘ᩿⥆ᛶࡢᑡ࡞࠸⾲㠃ᙧ≧࡜ࡍࡿࡇ࡜ࡀ᭷ຠ࡛࠶ࡿࡇ࡜ࡀ♧၀ࡉࢀࡓ㸬ࡋ࠿ࡋ࡞ࡀࡽ㸪ࢼࣀ࿘ᮇᵓ㐀ࡢ᩿⥆ᛶࡀኚ໬ࡍࡿ࣓࢝ࢽࢬ࣒࡟ࡘ࠸࡚ࡣ᫂ࡽ࠿࡟࡞ࡗ࡚࠸࡞࠸㸬୍᪉࡛㸪ᐇ㝿ࡢ⏕యᮦᩱ⾲㠃ࡣ㙾㠃ࡔࡅ࡛ࡣ࡞ࡃ㸪ᶵᲔ◊☻㠃㸪ᨺ㟁ຍᕤ㠃㸪ࣈࣛࢫࢺฎ⌮㠃࡞࡝㸪ࡑࡢึᮇ⾲㠃᫬≧ែࡣᵝࠎ࡛࠶ࡿ㸬ᵝࠎ࡞ึᮇ⾲㠃ᙧ≧࡟ᑐࡋ࡚㸪᫂☜࡟ࢼࣀ࿘ᮇᵓ㐀ࢆᙧᡂࡍࡿࡇ࡜ࡣ⣽⬊㓄ྥᛶᶵ⬟ࢆ௜୚ࡍࡿᐇ⏝ୖ㸪㔜せ࡛࠶ࡿ㸬๓㏙ࡋࡓࡼ࠺࡟ࢼࣀ࿘ᮇᵓ㐀ࡣ」ᩘᅇࡢ࣮ࣞࢨග↷ᑕࡀᚲせ࡛࠶ࡾ⮬ᕫ⤌⧊ⓗ࡟ᙧᡂࡉࢀࡿࡇ࡜ࡀ▱ࡽࢀ࡚࠸ࡿࡇ࡜࠿ࡽ㸪ࢼࣀ࿘ᮇᵓ㐀ࡢ⾲㠃ᙧ≧ࡣᮦᩱࡢึᮇ⾲㠃ᙧ≧࡟኱ࡁࡃᙳ㡪ࢆཷࡅࡿྍ⬟ᛶࡀ࠶ࡿ㸬ࡑࡇ࡛㸪ึᮇ⾲㠃ᙧ≧ࡀࢼࣀ࿘ᮇᵓ㐀ࡢᙧᡂ࡟୚࠼ࡿᙳ㡪ࡢᇶ♏ⓗ᳨ウࢆ⾜ࡗࡓ㸬㸰㸬 ᐇ㦂᪉ἲ
ᮏᐇ㦂࡛⏝࠸ࡓ࣮ࣞࢨ↷ᑕࢭࢵࢺ࢔ࢵࣉᴫ␎ᅗࢆᅗ
ᅗ 1(a)࡟♧ࡍ㸬ᇶᮏἼࡢ୰ᚰἼ㛗࠾ࡼࡧ⧞ࡾ㏉ࡋ࿘Ἴᩘࡀࡑࢀ
ࡒࢀ⣙ 790 nm ࠾ࡼࡧ 1 kHz ࡛࠶ࡿ㉸▷ࣃࣝࢫ࣮ࣞࢨࢆ⏝࠸ࡓ㸬࣮ࣞࢨⓎ᣺ჾࡼࡾฟᑕࡉࢀࡓ࣮ࣞࢨගࡣ࢞࢘ࢩ࢔
࣮ࣥࣔࢻࢆ᭷ࡋ࡚࠸ࡿࡀ㸪㞟ගࢫ࣏ࢵࢺෆ㒊࡛ᆒ୍࡟ࢼࣀ࿘ᮇᵓ㐀ࢆᙧᡂࡍࡿࡓࡵ㸪࣮ࣞࢨ↷ᑕࢭࢵࢺ࢔ࢵࣉ୰
࡟▴ᙧࡢ✰ࢆタࡅࡓ࣐ࢫࢡࢆタ⨨ࡋ⤖ീගᏛ⣔ࢆ⤌ࡳ㸪⣧ Ti ᇶᯈ⾲㠃࡟࠾࠸࡚ࢺࢵࣉࣁࢵࢺࣅ࣮࣒࣮ࣔࢻ࡛
↷ᑕྍ⬟࡟ࡋࡓ㸬ᅗ 1 (b)࡟♧ࡍࡼ࠺࡟ XYZᐇ㦂࡛ࡣ㸪ࢫࢸ࣮ࢪ࡟ࡼࡗ࡚㞟ගࢫ࣏ࢵࢺࢆ⣧ᅗ 1 (a)࣮ࣞࢨ↷ᑕࢭࢵࢺ࢔ࢵࣉᴫ␎ᅗ㸪(b)࣮ࣞࢨ㉮ᰝ᪉ྥ− 68 −

Ti ᇶᯈ⾲㠃ୖ࡛㉮ᰝࡉࡏ࡞ࡀࡽ↷ᑕࢆ⾜ࡗࡓ㸬ࡇࡢ㝿㸪࣮ࣞࢨࣇ࢚ࣝࣥࢫ㸪㉮ᰝ㏿ᗘ㸦ࢫ࣏ࢵࢺᚄ࠶ࡓࡾࡢ↷ᑕᅇᩘ㸧㸪ࣃࣝࢫᖜࢆኚ໬ࡉࡏࡓ㸬࣮ࣞࢨ↷ᑕᚋࡢ Ti ᇶᯈ⾲㠃ࡣ㉮ᰝᆺ㟁Ꮚ㢧ᚤ㙾㸦SEM㸧࡟ࡼࡾほᐹࡋ㸪SEM ほᐹീ࠿ࡽࢼࣀ࿘ᮇᵓ㐀ࡢ᩿⥆ᛶࢆホ౯ࡋࡓ㸬୍᪉࡛㸪⣧ Ti ᇶᯈࡢึᮇ⾲㠃ᙧ≧ࡣ㸪ᚑ᮶⏝࠸࡚ࡁࡓ㙾㠃ࢆ᭷ࡍࡿ㟁ゎ◊☻㠃㸦Rz=0.05 m㸧࡟ຍ࠼㸪⾲㠃⢒ࡉࡢ␗࡞ࡿᶵᲔ◊☻㠃ࢆస〇ࡋࡓ㸬ࡇࡢ㝿㸪◊☻⑞ࡢ᪉ྥࡣ୍ᐃ᪉ྥ࡛ࡣ࡞ࡃࣛࣥࢲ࣒࡞᪉ྥ࡜࡞ࡿࡼ࠺࡟ࡋࡓ㸬㸱㸬ᐇ㦂⤖ᯝ㸱㸬㸯㸬ࢼࣀ࿘ᮇᵓ㐀ࡢ᩿⥆ᛶኚ໬㐣⛬ࢼࣀ࿘ᮇᵓ㐀ࡢ᩿⥆ᛶኚ໬࡟ࡘ࠸࡚ㄪ࡭ࡿࡓࡵ㸪ࣃࣝࢫᖜ 5.0 ps ୍࡛ᐃ࡜ࡋ㸪࣮ࣞࢨࣇ࢚ࣝࣥࢫࢆኚ໬ࡉࡏ࡚
࣮ࣞࢨගࢆ Ti ᇶᯈ⾲㠃࡟↷ᑕࡋࡓ㸬⣽⬊ࡢ᥋╔ᩬࡢ኱ࡁࡉ࠿ࡽ㸪⣙ 100 nm ௨ୖ⁁ᙧ≧ࡀ᩿⥆ࡋ࡚࠸ࡿ⟠ᡤࢆ᩿⥆Ⅼ࡜ࡋ࡚ᐃ⩏ࡋ㸪SEM ほᐹീࡼࡾ༢఩㛗ࡉ࠶ࡓࡾࡢ᩿⥆Ⅼࡢᩘࢆ ᐃࡋࡓ㸬ࡑࡢ⤖ᯝ㸪࣮ࣞࢨࣇ࢚ࣝࣥࢫࡀ 0.25
J/cm2 ࠿ࡽ 0.40 J/cm2 ࡬࡜ቑ኱ࡍࡿ࡟ࡘࢀ㸪༢఩㛗ࡉ࠶ࡓࡾࡢ᩿⥆Ⅼࡢᩘࡣቑຍࡍࡿࡇ࡜ࡀ᫂ࡽ࠿࡟࡞ࡗࡓ㸬ࡇࡇ࡛㸪᩿⥆ᛶࡢኚ໬㐣⛬ࢆヲ⣽࡟᳨ウࡍࡿࡓࡵ㸪࣮ࣞࢨࣇ࢚ࣝࣥࢫࡀ 0.25 J/cm2 ࠾ࡼࡧ 0.40 J/cm2 ࡢሙྜ࡟࠾
࠸࡚㸪↷ᑕᅇᩘࢆ 1 shot ࠿ࡽ 15 shots ࡬࡜ኚ໬ࡉࡏࡓ㝿ࡢ⾲㠃ᙧ≧ࡢኚ໬࡟ࡘ࠸࡚ㄪ࡭ࡓ⤖ᯝࢆᅗ 2 ࡟♧ࡍ㸬ᅗࡼࡾ㸪ྛ࣮ࣞࢨࣇ࢚ࣝࣥࢫ࡟࠾࠸࡚㸪↷ᑕᅇᩘ 1shot ࡛ࡣࢼࣀ࿘ᮇᵓ㐀ࡢᙧᡂࡣぢࡽࢀࡎ㸪⥙┠ࡢࡼ࠺࡞⾲㠃ᙧ≧ࡀほᐹࡉࢀࡿ㸬↷ᑕᅇᩘࡢቑຍ࡟క࠸㸪࣮ࣞࢨࡢ೫ග࡟ᑐࡋ࡚ᆶ┤࡞᪉ྥ࡟⁁ࢆ᭷ࡍࡿࢼࣀ࿘ᮇᵓ㐀ࡀ᫂☜࡟ᙧᡂࡉࢀ࡚࠸ࡿ㸬ࡇࡇ࡛㸬ྠ୍↷ᑕᅇᩘ࡛ẚ㍑ࡍࡿ࡜㸪0.40 J/cm2 ࡢሙྜ࡛ࡣ↷ᑕᅇᩘ 5 shots ࡢ᫬Ⅼ࡟࠾࠸࡚㸪㞄᥋ࡍࡿࢼࣀ࿘ᮇᵓ㐀ࡢ⁁ྠኈࡀ⤖ྜࡋ࡚࠸ࡿ⟠ᡤࡀᏑᅾࡋ࡚࠸ࡿࡇ࡜ࡀศ࠿ࡿ㸬ࢼࣀ࿘ᮇᵓ㐀ࡣ࣮ࣞࢨ↷ᑕ 1 shot ┠࡛ᮦᩱࡢึᮇ⾲㠃≧ែࡸ࣮ࣞࢨගࡢᙉᗘศᕸ࡞࡝࡟౫Ꮡ
ࡋ࡚ᮦᩱ⾲㠃ࡀࣛࣥࢲ࣒࡟࢔ࣈ࣮ࣞࢩࣙࣥࡉࢀ㸪」ᩘᅇ↷ᑕࡍࡿࡇ࡜࡟ࡼࡾ⮬ᕫ⤌⧊ⓗ࡟ᙧᡂࡉࢀࡿ࡜⪃࠼ࡽࢀࡿ㸬ࡇࡇ࡛㸪࣮ࣞࢨࣇ࢚ࣝࣥࢫ
ࡢ኱ࡁ࡞ሙྜࡣ 1 shot ࠶ࡓࡾࡢ↷ᑕࢫ࣏ࢵࢺෆ
㒊࡛ࡢ⾲㠃ᙧ≧ኚ໬ࡀ኱ࡁࡃ㸪⤖ᯝⓗ࡟᩿⥆Ⅼࡀ኱ࡁ࡞ࢼࣀ࿘ᮇᵓ㐀ࡢ⾲㠃ᙧ≧࡜࡞ࡗࡓ࡜᥎
ࡉࢀࡿ㸬ࡼࡗ࡚㸪᩿⥆ᛶࡢᑡ࡞࠸ࢼࣀ࿘ᮇᵓ
㐀ࢆᙧᡂࡍࡿࡓࡵ࡟ࡣ㐺ษ࡞࣮ࣞࢨࣇ࢚ࣝࣥࢫ
࠾ࡼࡧ↷ᑕᅇᩘ࡜ࡍࡿࡇ࡜ࡀᚲせ࡛࠶ࡿࡇ࡜ࡀ

ᅗ 2 ࢼࣀ࿘ᮇᵓ㐀ᙧᡂ᫬ࡢ᩿⥆ᛶኚ໬᫂ࡽ࠿࡟࡞ࡗࡓ㸬㸱㸬㸰㸬ึᮇ⾲㠃ᙧ≧ࡀࢼࣀ࿘ᮇᵓ㐀࡟ཬࡰࡍᙳ㡪ࡢ᳨ウ␗࡞ࡿึᮇ⾲㠃⢒ࡉࢆ᭷ࡍࡿ⣧ Ti ヨᩱ⾲㠃࡟㉸▷ࣃࣝࢫ࣮ࣞࢨගࢆ↷ᑕࡋࡓ㸬ࣃࣝࢫᖜ 0.2 ps ࡛࣮ࣞࢨග↷ᑕࢆ⾜࠺࡜ Rz=0.16 ȝP ௨ୖࡢึᮇ⾲㠃⢒ࡉࢆ᭷ࡍࡿ⣧ Ti ヨᩱ⾲㠃࡛ࡣࢼࣀ࿘ᮇᵓ㐀ᙧᡂ᫬࡟◊☻⑞ࡀṧᏑࡋ࡚࠸ࡿ
ࡀ㸪Rz =ȝP ௨ୗࡢึᮇ⾲㠃⢒ࡉ࡛ࡣ◊☻⑞ࡀ☜ㄆࡉࢀࡎ㸪᫂☜࡞ࢼࣀ࿘ᮇᵓ㐀ࡀᙧᡂࡉࢀࡿࡇ࡜ࡀศ࠿ࡗࡓ㸬ᮏ⌮⏤࡟ࡘ࠸࡚⪃ᐹࢆ㐍ࡵࡿ࡜ඹ࡟㸪ึᮇ⾲㠃ᙧ≧ࡢᙳ㡪ࢆపῶࡍࡿᡭἲ࡟ࡘ࠸࡚ᶍ⣴ࡋ࡚࠸ࡿ㸬㸲㸬ࡲ࡜ࡵ
ᮏ◊✲࡛ࡣ㸪ࢼࣀ࿘ᮇᵓ㐀ᙧᡂ᫬ࡢ᩿⥆ᛶኚ໬㐣⛬࡟ࡘ࠸࡚ㄪ࡭㸪ึᮇ⾲㠃ᙧ≧ࡀࢼࣀ࿘ᮇᵓ㐀࡟ཬࡰࡍᙳ㡪࡟ࡘ࠸࡚ᇶ♏ⓗ᳨ウࢆ⾜ࡗࡓ㸬ࡑࡢ⤖ᯝ㸪᩿⥆ᛶࡢᑡ࡞࠸ࢼࣀ࿘ᮇᵓ㐀ࡢᙧᡂ࡟ࡣ㸪㐺ษ࡞࣮ࣞࢨࣇ࢚ࣝࣥࢫ࠾ࡼࡧ
↷ᑕᅇᩘ࡜ࡍࡿࡇ࡜ࡀᚲせ࡛࠶ࡿࡇ࡜ࢆぢฟࡋࡓ㸬ཧ⪃ᩥ⊩1) T. Shinonaga and M. Tsukamoto et.al, Appl. Phys. B: Lasers. and Opt. 119, (2015) pp.493̽496.
㸦ඹྠ◊✲ศ㔝㸸࣮ࣞࢨࣉࣟࢭࢫᏛศ㔝㸧− 69 −

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[2] ቤቩቑቢቱቬተቬታቲ቏ቚበቑቝቯቶቲU቏ባቑቨቲቻቬትቲ቏ቝቑ቟ቼቺቻቲቷቸቷቲ቏ቚቑቤቲUቸ቏et. al.,቙ቦቼUተቑቜቸቬቻቑቧቯቮቱቑ቏ቓቖ቗ቐቓ቗ቕቍቔቒቓቘ቎ቑ

KàžðÝƝƮGªH¢«ËƝƮL− 78 −

࣮ࣞࢨ⢊య⫗┒ἲ࡟ࡼࡿ㖡ᇶᮦୖ࡬ࡢ㕲ᇶᮦᩱࡢ⓶⭷ᙧᡂ▼ᕝ┴ᕤᴗヨ㦂ሙ ᶵᲔ㔠ᒓ㒊
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㞴ࡋ࠸࡜ࡉࢀ࡚࠸ࡿࠋࡋ࠿ࡋࠊ㟷ⰍἼ㛗ᖏ࡛ࡣࠊ㏆㉥እἼ㛗ᖏ࡟ẚ࡭྾཰⋡ࡀᩘಸ㧗ࡃ࡞ࡿࡇ࡜ࡀ▱ࡽࢀ࡚࠾ࡾຍᕤ࡟᭷฼࡜ࡉࢀ࡚࠸ࡿ 1)ࠋࡑࡇ࡛ᮏ◊✲࡛ࡣࠊ㸰✀㢮ࡢἼ㛗ᖏࡢ࣮ࣞࢨࢆฟຊྍ⬟࡞࣐ࣝࢳ࣮࢝ࣛᘧ
࣮ࣞࢨ⢊య⫗┒⿦⨨ࢆ⏝࠸࡚ࠊ㖡ᇶᮦୖ࡟㕲ᇶᮦᩱࡢ⓶⭷ᙧᡂࢆ⾜࠸ࠊࡑࡢရ㉁࡟ࡘ࠸࡚ホ౯ࢆ⾜ࡗࡓࠋ䠎䠊ᐇ㦂᪉ἲ㻌⢊ᮎ౪⤥ᶵᐇ㦂࡟ࡣࠊ」ᩘࡢ࣮ࣞࢨගࢆ↷ᑕྍ⬟࡞࣮ࣞࢨ⢊య⫗┒⿦⨨㸦௨ୗࠊLMD ࡜♧ࡍࠋ㸧ࢆ⏝࠸ࡓࠋ⿦⨨ࡣࠊ㏆㉥እ༙ᑟయ࣮ࣞࢨ࡜㟷Ⰽ༙ᑟయ࣮ࣞࢨࡢ 2 ✀㢮ࡢⓎ᣺ჾࢆ

࣮ࣞࢨຍᕤ
࣊ࢵࢻ

ᦚ㍕ࡋࠊࣇ࢓࢖ࣂ࣮ఏ㏦࡟࡚࣮ࣞࢨຍᕤ࣊ࢵࢻ࡟࣮ࣞࢨ
ࢆᑟගࡍࡿࠋ
⿦⨨ෆ㒊࡟ࡣ⢊ᮎ౪⤥ᶵࡀᦚ㍕ࡉࢀ࡚࠾ࡾࠊ
࢔ࣝࢦࣥ࢞ࢫ࡟࡚㔠ᒓ⢊ᮎࢆ౪⤥ࡍࡿࠋ࣮ࣞࢨຍᕤ࣊ࢵ
ࢫࢸ࣮ࢪࢻࡣࠊ࣊ࢵࢻ୰ᚰ࡟タ⨨ࡉࢀࡓࣀࢬࣝ࠿ࡽ㔠ᒓ⢊ᮎࢆ౪⤥ࡋࠊྠ᫬࡟ᩳࡵ᪉ྥ࠿ࡽ↷ᑕࡍࡿ࣮ࣞࢨග࡛ຍ⇕ࡋ࡞ࡀࡽ⓶⭷ࢆᙧᡂࡍࡿࠋ࣮ࣞࢨࡣࠊ㏆㉥እ༙ᑟయ࣮ࣞࢨ 4ᮏ࡜㟷Ⰽ༙ᑟయ࣮ࣞࢨ 2 ᮏࡢィ 6 ᮏࡢ࣮ࣞࢨࣅ࣮࣒ࢆ↷ᑕྍ⬟࡛࠶ࡾࠊࡑࡢἼ㛗ࡣࠊ㏆㉥እ༙ᑟయ࣮ࣞࢨࡀ 915nmࠊ
㟷Ⰽ༙ᑟయ࣮ࣞࢨࡀ 445nm ࡛࠶ࡿࠋྛἼ㛗ࡢ࣮ࣞࢨࡢྜ
ィฟຊࡣࡑࢀࡒࢀ᭱኱࡛ 200W ࡛࠶ࡿࠋᐇ㦂᮲௳ࢆ⾲ 1 ࡟♧ࡍࠋྛἼ㛗ࡢ࣮ࣞࢨගࡢྜィฟຊ
ࡣ 180Wࠊ࣮ࣞࢨᤲᘬ㏿ᗘࡣ 10mm/s ࡜ࡋࠊ࣮ࣞࢨ↷ᑕ᮲௳࠾ࡼࡧ⢊ᮎ౪⤥㔞ࡣྠ୍᮲௳࡛ࠊ࣮ࣞࢨࡢἼ㛗ࡢࡳࢆኚ࠼࡚ȭ3mm ࡢ෇ᰕࡢ㖡ᇶᮦୖ⾲㠃࡟㕲ᇶᮦᩱࡢ⓶⭷ࢆᙧᡂࡍࡿᐇ㦂ࢆ⾜ࡗࡓࠋ⓶⭷ᙧᡂࡣࠊ෇ᰕᇶᮦࢆᅇ㌿㏆㉥እ࣮ࣞࢨⓎ᣺ჾࡉࡏ࡞ࡀࡽࠊࣅ࣮ࢻࢆඛ➃࠿ࡽ㍈᪉ྥ࡟ 0.5mm ࡎࡘࡎࡽᅗ 1ࡋ࡞ࡀࡽ㐃⥆ᙧᡂࡋ⾜ࡗࡓࠋ㕲ᇶᮦᩱࡢ㔠ᒓ⢊ᮎ࡟ࡣᖹ㟷Ⰽ࣮ࣞࢨⓎ᣺ჾ

LMD ⿦⨨

ᆒ⢏ᚄ 20ȣm ࡢ࣐࢚࣮ࣝࢪࣥࢢ㗰ࢆ⏝࠸ࡓࠋ⾲ 1 ᐇ㦂᮲௳ᐇ㦂᮲௳࣮ࣞࢨࡢ✀㢮ձղճ㏆㉥እ࣮ࣞࢨ 㟷Ⰽ࣮ࣞࢨ ㏆㉥እ࣮ࣞࢨ࠾ࡼࡧ㟷Ⰽ࣮ࣞࢨ䝡䞊䝮ᚄ䚷mm

0.35

0.65

ᕥ䛻ྠ䛨

࣮ࣞࢨගฟຊࠉ㹕

180

180

ྛ180
10

ᤲᘬ㏿ᗘࠉmm/s

࣐࢚࣮ࣝࢪࣥࢢ㗰㔠ᒓ⢊ᮎ 㕲ᇶᮦᩱ ࡢᮦ✀

㖡

ᇶᮦࡢᮦ✀

− 79 −

䠏䠊ᐇ㦂⤖ᯝᅗ 3 ࡟ࠊᐇ㦂᮲௳ձ࠾ࡼࡧղ࡟࡚⓶⭷ᙧᡂᐇ㦂ࢆᐇ᪋ࡋࡓᚋࡢእほ෗┿ࢆ♧ࡍࠋ㏆㉥እ༙ᑟయ࣮ࣞࢨ࠾ࡼ
ࡧ㟷Ⰽ༙ᑟయ࣮ࣞࢨࡢࡳ࡛ࡣࠊ㔠ᒓ⢊ᮎࡀ⁐⼥ࡋจ㞟ࡋࡓ⌫≧ࡢ㔠ᒓࡀᇶᮦ⾲㠃࡟Ⅼᅾࡋࡓ≧ែ࡜࡞ࡗࡓࠋ
㟷Ⰽ༙ᑟయ࣮ࣞࢨࡣࠊ㏆㉥እ༙ᑟయ࣮ࣞࢨ࡟ẚ࡭࡚ࣃ࣮࣡ᐦᗘࡀ⣙㸯㸭㸲࡛࠶ࡿ࡟ࡶ࠿࠿ࢃࡽࡎࠊ㏆㉥እ༙ᑟయ࣮ࣞࢨ࡛ࡢ⤖ᯝ࡜ྠᵝ࡟⁐ࡅࡓ㔠ᒓ⢊ᮎࢆ㖡ᇶᮦ⾲㠃࡟௜╔ࡉࡏࡿࡇ࡜ࡀ࡛ࡁࡓࠋࡋ࠿ࡋࠊ⓶⭷ࡢᙧᡂ࡟ࡣ⮳ࡽ࡞࠿ࡗࡓࠋᅗ 4 ࡟ᐇ㦂᮲௳ճ࡟࠾ࡅࡿ⓶⭷ᙧᡂᐇ㦂ᚋࡢእほ෗┿࠾ࡼࡧࡑࡢ᩿㠃෗┿ࢆ♧ࡍࠋ㸰✀㢮ࡢ࣮ࣞࢨࢆྠ᫬↷ᑕࡋࡓᐇ㦂࡛ࡣࠊ⁐⼥ࡋࡓ㔠ᒓ⢊ᮎࡀ඲యⓗ࡟⃿ࢀᗈࡀࡾࠊཌࡉ⣙ 300ȣm ࡢ⓶⭷ࢆᙧᡂ࡛ࡁࡓࠋࡲࡓࠊᇶᮦ࡛࠶ࡿ㖡࡟⓶⭷㔠ᒓࡀ 50ȣ㹫⛬ᗘ⁐ࡅ㎸ࢇࡔᐦ╔ᛶࡢ࠶ࡿ⓶⭷ᙧᡂ࡜࡞ࡗࡓࠋ

1mm

     (a) ᮲௳ձ(㏆㉥እ࣮ࣞࢨ)      1mm(b) ᮲௳ղ(㟷Ⰽ࣮ࣞࢨ)  ᅗ 3 ᮲௳ձ࠾ࡼࡧ᮲௳ղࡢ⓶⭷ᙧᡂᐇ㦂ᚋࡢእほ෗┿

1mm

(a)

0.5mm

     ⓶⭷ᙧᡂᐇ㦂ᚋࡢእほ෗┿      

(b)

᩿㠃෗┿

ᅗ 4 ᮲௳ճ(㏆㉥እ㸩㟷Ⰽ࣮ࣞࢨ)ࡢᐇ㦂䠐䠊䜎䛸䜑㻌
ᮏ◊✲࡛ࡣࠊ㸰✀㢮ࡢἼ㛗ᖏࡢ࣮ࣞࢨࢆ⏝࠸࡚㖡ᇶᮦୖ࡟㕲ᇶᮦᩱࡢ⓶⭷ᙧᡂࢆ⾜ࡗࡓࠋࡑࡢ⤖ᯝࠊ㸰✀㢮ࡢ࣮ࣞࢨࢆྠ᫬↷ᑕࡋࡓᐇ㦂࡟࠾࠸࡚ࠊᇶᮦ࡬ࡢ⁐ࡅ㎸ࡳࡢ࠶ࡿཌࡉ⣙ 300ȣm ࡢ⓶⭷ࡢᙧᡂࡀ࡛ࡁࡿࡇ
࡜ࢆ♧ࡋࡓࠋ
䠑䠊ཧ⪃ᩥ⊩㻌1) ࣮ࣞࢨ࣮ࣁࣥࢻࣈࢵࢡࠊ࣮ࣞࢨ࣮Ꮫ఍⦅㞟ࠊ࣮࣒࢜♫ (2005) 㸦ඹྠ◊✲ศ㔝㸸࣮ࣞࢨࣉࣟࢭࢫᏛศ㔝㸧− 80 −

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YF:(3%ġ$"ŁĽ60&)Đë(ĥĹ 6)ęħ&čČĖŋ:æ6ĤĿ 6
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)LJ  D  &Ëİıïþ(|Ņ:Èĕß&È3&@YF$ėĝ:ėčçmùOKC[ 1L ĝÇ#/U[MĆ&35ÄŇìù:ÂÅË )Ýļę&" 3Dap(Īb#³ @YFÄŇ&)T>C=¿@YF 6FKRWW%RURIORDW ġªPPap%6* :ĉrô$"Óď(&XĝOYDĝªPP:ÀĽÄŇ:Ýļęħ#µo&įÅ×pč&&Xò:ŀ$č_ apÔč_ :gr6$#@YF&&X=?^:ĉr&X=?^ĉr§&×pč(à:ĠĊ&Xò:j$č_gr apč_ :³ "@YFęħ&&Xî:ãÑ=?^¨oď).$č_grÙ)Ôč_:9#NVgr§č_:9$grÆ: NV(#ĭq"Ë:³ Ë t

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60ãÑ

Ĩá(ñÞÎı&!"Ē$J ãÑ(Ø¶$d%5&X ãÑ(Ø¶&č_grĀ&ãÑăÃ6¢h)ĸ4#)%ô(ãÑ&)ĉr7=?^(¡ĤĿ# 6
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rÆ&ŀò4 $J =?^:s
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5. Í¿Ŋ¯[1] ቬቓቨቲታቲኁቲቼትቑ0ቓቬቲቺቲቸቲኀቸቹቑቦቓብኁቾቑ቞ቓቩቸቹቑትኁቲቻቓቑቛቚኁቸ቞ቮቫብችኁቓቫኃቼቿቓቍቢኂቸቓቬባቐቢ0ቐ0ብቒቯት0ቘቑቧቾችቷ቟ትቲቴቸቑበ቞ቑቭቫ቞ቑ
቗቙ቩቴኁቓ቗ቕቖቜቓ
ተ቗ቱቬቓቨቲታቲኁቲቼትትኁቲቻቓቑ቞ቿቿቻቓቪቸኃኀቓቢኂቿUትኀኀቖ቗ቑቕቖቖቕቕቝ቎቗ቕቖቝ቏ቓ
Į°ňŚšă¾ňŚ

− 90 −

ᶵᲔᏛ⩦ࢆ⏝࠸ࡓ⁐᥋⇕※ᙧ≧Ỵᐃࢩࢫࢸ࣒ࡢᵓ⠏ᅜ❧◊✲㛤Ⓨἲே ≀㉁࣭ᮦᩱ◊✲ᶵᵓ໭㔝 ⴌ୍
1. ⫼ᬒ࠾ࡼࡧ┠ⓗ୕ḟඖࣔࢹࣝࢆ⏝࠸ࡓ୕ḟඖ⇕ఏᑟ᭷㝈せ⣲ゎᯒࡣࠊ⁐᥋᫬ࡢ ᗘᒚṔண ࡸຊᏛゎᯒ࡟⏝࠸ࡿ ᗘሙࢹ࣮ࢱྲྀᚓࡢࡓࡵ࡟ᗈࡃ฼⏝ࡉࢀ࡚࠸ࡿࠋ୍᪉࡛ࠊ୕ḟඖ⇕ఏᑟ᭷㝈せ⣲ゎᯒࡣィ⟬ࢥࢫࢺࡀ㧗࠸࡜࠸࠺ၥ㢟ࡀ࠶ࡾࠊ ᗘᒚṔࡢ㐺ṇ໬ࡢࡓࡵࡢ⁐᥋᮲௳᥈⣴➼ࢆ┠ⓗ࡟ࣃ࣓࣮ࣛࢱࢫࢱࢹ࢕ࢆ⾜࠺ሙྜ࡟ࡣ୕ḟඖࣔࢹࣝࡢ౑⏝ࡀ㞴ࡋ࠸ሙྜࡀ࠶ࡿࠋࡇࡢࡼ࠺࡞ሙྜࠊ╔┠ࡋࡓ᩿㠃ࡢࡳࢆࣔࢹࣝ໬ࡋࡓ஧ḟඖࣔࢹࣝ࡟ࡼࡿ⇕ఏᑟゎᯒࡀ⾜ࢃࢀࡿࠋࡋ࠿ࡋࠊ୕ḟඖ⇕ఏᑟゎᯒ⤖ᯝࢆ෌⌧ࡍࡿࡓࡵࡢ㐺ษ࡞஧ḟඖ⇕ఏᑟゎᯒ࡟࠾ࡅࡿධ⇕᮲௳ࡣࠊᮦᩱࡢ⇕ⓗ≉ᛶࠊ㒊ᮦࡢᙧ≧ࠊ୕ḟඖ⇕ఏᑟゎᯒ࡟࠾ࡅࡿධ⇕᮲௳࡜࠸ࡗࡓከࡃࡢᅉᏊ࡟ᛂࡌ࡚Ỵࡲࡿࡓࡵࠊࡑࡢタᐃࡣᐜ࡛᫆ࡣ↓࠸ࠋᮏ◊✲࡛ࡣࠊୖグࡢᙳ㡪ᅉᏊ࡟ᛂࡌࡓ୕ḟඖ⇕ఏᑟゎᯒ⤖ᯝࢆ෌⌧ࡍࡿࡓࡵࡢ஧ḟඖ⇕ఏᑟゎᯒ࡟࠾ࡅࡿධ⇕᮲௳ࢆ⮬ື࡛ᥦ᱌ࡍࡿࢩࢫࢸ࣒ࢆᵓ⠏ࡍࡿࡇ࡜ࢆ᭱⤊┠ᶆ࡜ࡋࡓᇶ♏᳨ウ࡜ࡋ࡚ࠊ஧ḟඖ⇕ఏᑟゎᯒ⤖ᯝࢆ෌⌧ࡍࡿࡓࡵࡢ୍ḟඖ⇕ఏᑟゎᯒ࡟࠾ࡅࡿධ⇕᮲௳Ỵᐃ࡟⏝࠸ࡿࡇ࡜ࡀ࡛ࡁࡿ୍ḟඖ⇕ఏᑟゎᯒ⤖ᯝ࠿ࡽᚓࡽࢀࡿ ᗘᒚṔࢆࢽ࣮ࣗࣛࣝࢿࢵࢺ࣮࣡ࢡ࡟ࡼࡾࣔࢹࣝ໬ࡋࠊ᭷ຠᛶࢆ᳨ウࡍࡿࠋ
2. ◊✲᪉ἲ
ィ⟬Ⅼ
0.5 mm50 mm
y
ᅗ 1 ࡢ୍ḟඖ⇕ఏᑟゎᯒࣔࢹࣝࢆ⏝࠸࡚⾲ 1 ࡟♧ࡍධ⇕㡿ᇦ O…dy=2.25 mmdy dy …
ࡼ࠺࡟༢఩᫬㛫ᙜࡾࡢධ⇕㔞࠾ࡼࡧධ⇕᫬㛫ࢆ✀ࠎኚ
ᅗ 1 ୍ḟඖ⇕ఏᑟゎᯒࣔࢹࣝ.
᭦ࡋࡓሙྜࡢࠊྛィ⟬Ⅼ࡟࠾ࡅࡿ ᗘᒚṔࢆ཰㞟ࡋࡓࠋධ⇕㡿ᇦࡣᅗ 1 ࡟♧ࡍࡼ࠺࡟ y=0~0.5 mm ࡢ⠊ᅖ࡜
⾲ 1 ධ⇕᮲௳.
ࡋࠊ⥲ධ⇕㔞ࡣ 37.5 J ୍࡛ᐃ࡜ࡋࡓࠋ཰㞟ࡋࡓ ᗘᒚ༢఩᫬㛫ᙜࡾࡢධ⇕㔞 ධ⇕᫬㛫᮲௳ No.
Ṕࡣධ⇕㔞ࠊධ⇕᫬㛫ࠊධ⇕㡿ᇦᕥ➃࠿ࡽࡢ㊥㞳(y ᗙ(J/mm s)(s)ᶆ)ࠊධ⇕㛤ጞ࠿ࡽࡢ᫬㛫ࢆධຊࠊ ᗘࢆฟຊ࡜ࡍࡿࢽ
1
750
0.1
࣮ࣗࣛࣝࢿࢵࢺ࣮࣡ࢡ࡟ࡼࡾࣔࢹࣝ໬ࡋࡓࠋࡓࡔࡋࠊ
2
300
0.25
඲ィ⟬᫬㛫ࠊ඲ィ⟬Ⅼࡢ ᗘᒚṔࢆ୍ࡘࡢࢽ࣮ࣗࣛࣝ
3
150
0.5
ࢿࢵࢺ࣮࣡ࢡ࡛ࣔࢹࣝ໬ࡍࡿ࡜ᛶ⬟(ࢽ࣮ࣗࣛࣝࢿࢵ
4
100
0.75
ࢺ࣮࣡ࢡ࡟ࡼࡿ ᗘᒚṔண ⢭ᗘ)ࡀ༑ศ࡛ࡣ↓࠿ࡗ
5
75
1ࡓࡓࡵࠊ ᗘᒚṔࢆࠊ
6
60
1.25
ձ ධ⇕୰࠿ࡘᕥ➃ 3 ⠇Ⅼ(ධ⇕㡿ᇦ+1 Ⅼ)ࡢྛ᫬㛫ࠊ
7
50
1.5
ྛⅬࡢ ᗘ
8
37.5
2
ղ ධ⇕୰࠿ࡘᕥ➃ 3 ⠇Ⅼ௨እࡢྛ᫬㛫ࠊྛⅬࡢ ᗘ
9155
ճ ධ⇕ᚋ࠿ࡘᕥ➃ 3 ⠇Ⅼ⏝ࡢྛ᫬㛫ࠊྛⅬࡢ ᗘմ ධ⇕ᚋ࠿ࡘᕥ➃ 3 ⠇Ⅼ௨እࡢྛ᫬㛫ࠊྛⅬࡢ ᗘ
ࡢ 4 ࡘࡢሙྜ࡟ศ๭ࡋࠊࡑࢀࡒࢀࡢࢹ࣮ࢱ࡟ᑐࡋ࡚ࢽ࣮ࣗࣛࣝࢿࢵࢺ࣮࣡ࢡࢆᵓ⠏ࡋࡓࠋࢽ࣮ࣗࣛࣝࢿ
ࢵࢺ࣮࣡ࢡ࡜ࡋ࡚ࠊḟᘧ࡛ᐃ⩏ࡉࢀࡿධຊᒙ-㞃ࢀᒙ(ࢽ࣮ࣗࣟࣥᩘ 50 ಶ)-ฟຊᒙࡢ୕ᒙ࠿ࡽ࡞ࡿࣇ࢕࣮
ࢻࣇ࢛࣮࣡ࢻᆺࢽ࣮ࣗࣛࣝࢿࢵࢺ࣮࣡ࢡࢆ⏝࠸ࡓࠋହ଴ସܶ ൌ ෍ ൝‫ݓ‬௝ᇱ ൭݄ሺ෍ ‫ݓ‬௜௝ ‫ݔ‬௜ ൅ ܾ௝ ሻ൱ൡ ൅ ܾԢ௝ୀଵ௜ୀଵࡇࡇ࡛ࠊܶǣ ᗘ (Υ)ࠊ‫ݔ‬ଵ̱ସ ǣධ⇕㔞 (J/mm s)ࠊධ⇕᫬㛫 (s)ࠊධ⇕㡿ᇦᕥ➃࠿ࡽࡢ㊥㞳(y ᗙᶆ) (mm)ࠊ
ධ⇕㛤ጞ࠿ࡽࡢ᫬㛫 (s)ࠊ‫ݓ‬௜௝ ǡ ‫ݓ‬௝ᇱ : 㔜ࡳࠊܾ௝ ǡ ܾ ᇱ : ࣂ࢖࢔ࢫࠊ݄ሺሻ: άᛶ໬㛵ᩘ࡛࠶ࡿࠋάᛶ໬㛵ᩘࡣࢩࢢ− 91 −

ࣔ࢖ࢻ㛵ᩘ࡜ࡋࡓࠋࢽ࣮ࣗࣛࣝࢿࢵࢺ࣮࣡ࢡࡢᏛ⩦࡟ࡣࠊTable 1 ࡟♧ࡋࡓ᮲௳ No. 1~4ࠊ6~9 ࠿ࡽᚓࡽࢀࡿ ᗘᒚṔࢆ⏝࠸ࡓࠋᏛ⩦ࡢ㝿࡟ࡣࠊ ᗘᒚṔࢹ࣮ࢱࢆ↓సⅭ࡟ 7:3 ࡟ศ๭ࡋࠊ๓⪅ࡢࢹ࣮ࢱࢆࢽࣗ
࣮ࣛࣝࢿࢵࢺ࣮࣡ࢡࡢ㔜ࡳ࡜ࣂ࢖࢔ࢫࡢ᭱㐺໬࡟⏝࠸࡚ࠊᚋ⪅ࡢࢹ࣮ࢱࡣᏛ⩦≧ἣ☜ㄆࡢࡓࡵࡢ᳨ドࢹ࣮ࢱ࡜ࡋ࡚⏝࠸ࡓࠋNo. 5 ࡢ ᗘᒚṔࢹ࣮ࢱࡣ㔜ࡳ࠾ࡼࡧࣂ࢖࢔ࢫࡢ᭱㐺໬࡟ࡶ᳨ド࡟ࡶ⏝࠸ࡎࠊᏛ⩦῭ࡳࢽ࣮ࣗࣛࣝࢿࢵࢺ࣮࣡ࢡࡢỗ໬ᛶ⬟ࡢ᭱⤊☜ㄆ࡟⏝࠸ࡓࠋࢽ࣮ࣗࣛࣝࢿࢵࢺ࣮࣡ࢡ࠿ࡽ
ィ⟬ࡉࢀࡿ ᗘ (Υ)

3. ⤖ᯝ
㻣㻜㻜㻜
 Ꮫ⩦࡟⏝࠸ࡓ No. 1~4ࠊ6~9 ࡢ୍ḟඖ⇕ఏᑟゎᯒ࠿㻢㻜㻜㻜ࡽᚓࡽࢀࡿྛィ⟬Ⅼࡢྛ᫬㛫ࡢ ᗘࢆᶓ㍈࡟ࠊࡑࢀࡒ
㻡㻜㻜㻜ࢀ࡟ᑐᛂࡍࡿධ⇕㔞ࠊධ⇕᫬㛫ࠊධ⇕㡿ᇦᕥ➃࠿ࡽࡢ㻠㻜㻜㻜㊥㞳(y ᗙᶆ)ࠊධ⇕㛤ጞ࠿ࡽࡢ᫬㛫࠿ࡽᏛ⩦῭ࡳࡢࢽ࣮ࣗࣛࣝࢿࢵࢺ࣮࣡ࢡࢆ⏝࠸࡚ᚓࡽࢀࡿ ᗘࢆ⦪㍈㻟㻜㻜㻜࡟ྲྀࡗ࡚ࣉࣟࢵࢺࡋࡓࡶࡢࢆᅗ 2 ࡟♧ࡍࠋࡇࡢ⤖ᯝࡼ㻞㻜㻜㻜ࡾࠊᏛ⩦῭ࡳࢽ࣮ࣗࣛࣝࢿࢵࢺ࣮࣡ࢡࡣᏛ⩦࡟⏝࠸ࡓ㻝㻜㻜㻜ᗘࢹ࣮ࢱࢆᴫࡡ⾲⌧ࡍࡿࡇ࡜ࡀ࡛ࡁ࡚࠸ࡿ࡜ゝ࠼㻜ࡿࠋḟ࡟ࠊᏛ⩦࡟⏝࠸࡞࠿ࡗࡓ No. 5 ࡢ᮲௳࡛ࡢ୍ḟ㻜㻝㻜㻜㻜 㻞㻜㻜㻜 㻟㻜㻜㻜 㻠㻜㻜㻜 㻡㻜㻜㻜 㻢㻜㻜㻜 㻣㻜㻜㻜୍ḟඖ⇕ఏᑟゎᯒ࡛ᚓࡽࢀࡿ ᗘ (Υ)ඖ⇕ఏᑟゎᯒ⤖ᯝࡢෆࠊy=0.5ࠊ2.75 mm ࡢⅬࡢ ᗘ
ᅗ 2 Ꮫ⩦ࢹ࣮ࢱ࡜ࢽ࣮ࣗࣛࣝࢿࢵࢺ࣮࣡ࢡ
ᒚṔ࡜ࠊᏛ⩦῭ࡳࢽ࣮ࣗࣛࣝࢿࢵࢺ࣮࣡ࢡ࠿ࡽண ࡉฟຊ್ࡢẚ㍑.
ࢀࡿ୧Ⅼࡢ ᗘᒚṔࢆేࡏ࡚ᅗ 3 ࡟♧ࡍࠋࡇࡢᅗ࡟♧ࡍ࡜࠾ࡾࠊ࠸ࡎࢀࡢⅬ࡟࠾࠸࡚ࡶࠊ⇕ఏᑟゎᯒ⤖ᯝ࡜ண ⤖ᯝࡣⰋࡃ୍⮴ࡋ࡚࠾ࡾࠊᮏ◊✲࡛సᡂࡋࡓ
ࢽ࣮ࣗࣛࣝࢿࢵࢺ࣮࣡ࢡࡣࢽ࣮ࣗࣛࣝࢿࢵࢺ࣮࣡ࢡ࡟࡜ࡗ࡚ᮍ▱ࡢධ⇕᮲௳(༢఩᫬㛫ᙜࡾࡢධ⇕㔞࠾ࡼࡧධ⇕᫬㛫)ࡢሙྜࡶ⢭ᗘⰋࡃ ᗘᒚṔࢆண ྍ⬟࡛࠶ࡿࡇ࡜ࡀࢃ࠿ࡿࠋ
㻟㻜㻜㻜

㻟㻜㻜㻜

୍ḟඖ⇕ఏᑟゎᯒࢽ࣮ࣗࣛࣝࢿࢵࢺ࣮࣡ࢡ

㻞㻡㻜㻜

㻞㻜㻜㻜

ᗘ (Υ)

㻞㻜㻜㻜

ᗘ (Υ)

୍ḟඖ⇕ఏᑟゎᯒࢽ࣮ࣗࣛࣝࢿࢵࢺ࣮࣡ࢡ

㻞㻡㻜㻜

㻝㻡㻜㻜

㻝㻡㻜㻜

㻝㻜㻜㻜

㻝㻜㻜㻜

㻡㻜㻜

㻡㻜㻜

㻜

㻜
㻜

㻡

㻝㻜

ධ⇕㛤ጞ࠿ࡽࡢ᫬㛫 (s)㻝㻡(a) y=0.5 mm

㻜

㻡

㻝㻜

ධ⇕㛤ጞ࠿ࡽࡢ᫬㛫 (s)㻝㻡(b) y=2.75 mm

ᅗ 3 ࢽ࣮ࣗࣛࣝࢿࢵࢺ࣮࣡ࢡ࡟ࡼࡿ ᗘᒚṔࡢண ⤖ᯝ (᮲௳ No. 5).

4. ⤖ㄽᮏ◊✲࡛ࡣࠊ✀ࠎࡢධ⇕᮲௳୍࡛ḟඖ⇕ఏᑟゎᯒ࠿ࡽᚓࡽࢀࡓ ᗘᒚṔࢆࢽ࣮ࣗࣛࣝࢿࢵࢺ࣮࣡ࢡ
࡟ࡼࡾࣔࢹࣝ໬ࡋࡓࠋࡑࡢ⤖ᯝࠊᏛ⩦࡟౑⏝ࡋ࡞࠿ࡗࡓධ⇕᮲௳࡟࠾ࡅࡿ ᗘᒚṔࡶ⢭ᗘⰋࡃண ྍ⬟࡛࠶ࡿࡇ࡜ࡀࢃ࠿ࡗࡓࠋᮏࣔࢹࣝࡣ஧ḟඖ⇕ఏᑟゎᯒ⤖ᯝࢆ෌⌧ࡍࡿࡓࡵࡢ୍ḟඖ⇕ఏᑟゎᯒ࡟࠾ࡅࡿධ⇕᮲௳ࢆ㧗㏿࡟᥈⣴ࡍࡿࡇ࡜ࡀ࡛ࡁࠊ஧ḟඖ⇕ఏᑟゎᯒ⤖ᯝࢆ෌⌧ࡍࡿࡓࡵࡢ୍ḟඖ⇕ఏᑟゎᯒ࡟࠾ࡅࡿධ⇕᮲௳Ỵᐃࢩࢫࢸ࣒ࡢᵓ⠏࡬࡜ᒎ㛤ࡍࡿࡇ࡜ࡀ࡛ࡁࡿࠋ
(ඹྠ◊✲ศ㔝: ⁐᥋ᶵᵓᏛศ㔝)− 92 −

,Q ୕ḟඖ✚ᒙ㐀ᙧᮦࡢᚤどⓗ࡞⤌⧊ࡢ≉ᚩ࡜ᙉᗘ≉ᛶ㸦➨㸰ሗ㸧㸫ᚤどⓗ࡞⤌⧊ホ౯࠿ࡽ⇕ฎ⌮ຠᯝࡢ᫂☜໬㸫す᪥ᮏᕤᴗ኱Ꮫ  㧗ᶫ㞞ኈࠊす㇂ᗣኴ㑻ࠊ㔜ஂᣅᾏ                        ኱㜰኱Ꮫ     ఀ⸨࿴༤ࠊᒣᮏၨ                        㔠ᒓᢏ◊ᰴᘧ఍♫ ቑᑿ኱ឿ ⥴ゝ,Q  ྜ㔠ࡣࠊ㧗 ᙉᗘࡸࢡ࣮ࣜࣉᙉᗘ࡟ඃࢀࡿࡓࡵ࡟⯟✵ᏱᐂࡸⓎ㟁ศ㔝࡞࡝ࡢ㧗 㒊ရᮦᩱ࡜ࡋ࡚ᖜᗈࡃ⏝࠸ࡽࢀ࡚࠸ࡿࠋ㏆ᖺࠊ୕ḟඖ✚ᒙ㐀ᙧࡀὀ┠ࡉࢀ࡚࠾ࡾࠊ,Q ⢊ᮎࢆ࣮ࣞࢨຍ⇕࡟ࡼࡾຍ⇕⁐⼥࣭ᛴ෭ࡉࡏ࡚〇㐀ࡍࡿࣉࣟࢭࢫ
࡛ࢿ࢔ࢿࢵࢺ࡟〇㐀ࡍࡿࡇ࡜ࡶヨࡳࡽࢀ࡚࠸ࡿࠋࡋ࠿ࡋࠊᮍ
ࡔ⤌⧊ᵓ㐀ࡸᇶᮏⓗ࡞ᮦᩱ≉ᛶࡀ୙᫂࡞㒊ศࡶ࠶ࡾࠊಙ㢗ᛶ࡜࠸࠺㠃࠿ࡽᐇ⏝໬ᣑ኱ࡢ㊊࠿ࡏ࡟࡞ࡗ࡚࠸ࡿ㸯㸧ࠋ ┠ⓗᮏ◊✲࡛ࡣࠊ,Q ୕ḟඖ✚ᒙ㐀ᙧࡢᙉᗘ࡟ᐤ୚ࡍࡿᯒฟ≀ࡢᙧែࡸ኱ࡁࡉ࡞࡝ࡢᚤどⓗ࡞⤌⧊࡜≉ᚩࢆ᫂ࡽ࠿࡟ࡍࡿࠋ㸬 ヨ㦂᪉ἲ
㸫㸬ヨ㦂∦ࡢ㐀ᙧᮏヨ㦂࡟࠾࠸࡚ࡣࠊ⾲  ࡟♧ࡍᕷ㈍ࡉࢀ࡚࠸ࡿ (26 ♫〇ࡢ
,Q ⢊ᮎ㸦(261LFNHO$OOR\,Q㸧ࢆ౑⏝ࡋࡓࠋࡲࡓࠊ㐀ᙧࡣᅗ  ࡟♧ࡍ (26 ♫〇ࡢ࣮ࣞࢨຍ⇕ᘧ୕ḟඖ✚ᒙ㐀ᙧ⿦⨨ࠕ(26,170ࠖࢆ⏝࠸ࠊ࢚ࢿࣝࢠ࣮ᐦᗘ -PPࠊ$U 㞺ᅖẼࠊ✚ᒙࣆࢵࢳ ȣP ࡢ᮲௳࡛⾜ࡗࡓࠋヨ㦂ᮦࡢ㐀ᙧᑍἲࡣȭPP ࡜ࡋࡓࠋ
㸬ヨ㦂ᮦࡢస〇࠾ࡼࡧ㐀ᙧᮏヨ㦂࡟࠾࠸࡚ࡣࠊᕷ㈍ࡉࢀ࡚࠸ࡿ (26 ♫〇ࡢ ,Q ⢊ᮎ㸦(261LFNHO $OOR\,Q㸧ࡢᡂศ⾲ࢆ⾲  ࡟♧ࡍࠋ(26 ♫〇ࡢ࣮ࣞࢨຍ⇕ᘧ୕ḟඖ✚ᒙ㐀ᙧ⿦⨨ࠕ(26,170ࠖࢆ⏝࠸ࣅ࣮࣒ฟຊ 㹕ࠊ✚ᒙࣆࢵࢳ ȣPࠊ$U㞺ᅖẼ࡛㐀ᙧࡋࡓࠋࡲࡓᮏヨ㦂࡟࠾ࡅࡿ㐀ᙧᮦࡢᣦᶆࢆ⾲  ࡟♧ࡍࠋ࡞࠾ᴫせ࡛ࡣ ' ᮦࡣ % ᮦ࡜ྠᵝ࡛࠶ࡿ࡜ࡍࡿࠋᅗ  ࡟ᮏヨ㦂࡟࠾࠸࡚ࡢ
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ࢳࣥࢢᚋࠊ㉮ᰝᆺ㟁Ꮚ㢧ᚤ㙾㸦6(0㸧ࢆ⏝࠸࡚࣑ࢡࣟ⤌⧊ほᐹࢆᐇ᪋ࡋࡓࠋࡑࡢᚋࠊ㟁Ꮚ⥺ᚋ᪉ᩓ஘ᅇᢡἲ㸦(%6'㸧࡟ࡼࡾ⤖ᬗ⢏ࡢ᪉఩ศᕸࡢゎᯒࢆᐇ᪋ࡋࡓࠋࡉࡽ࡟ࠊ㟁Ꮚ⥺࣐࢖ࢡࣟ࢔ࢼࣛ࢖ࢨ㸦(30$㸧ཬࡧ㏱㐣ᆺ㟁Ꮚ㢧ᚤ㙾ศᯒ⿦⨨㸦7(0$(0㸧࡟ࡼࡾඖ⣲ศᯒࢆ⾜࠸ࠊᯒฟ≀ࡢᙧែ࡟⪃ᐹࢆຍ࠼ࡓࠋ ⤌⧊ほᐹ㸫 㹑㹃㹋ほᐹ⤖ᯝ ᅗ  ࡟ࠊ$ ᮦ㹼& ᮦ᩿㠃ࡢ 6(0 ほᐹ⤖ᯝࢆࡲ࡜ࡵ࡚♧ࡍࠋ$ᮦࡣࠊ኱ࡁ࡞⤖ᬗ⢏࡜ࡑࡢෆ㒊࡟ࢹࣥࢻࣛ࢖ࢺ≧ࡢⓑ࠸ඹᬗ⤌⧊ࡀ☜ㄆ࡛ࡁࡓࠋࡇࢀࡣࠊ⁐᥋᫬࡟ㄆࡵࡽࢀࡿࡶࡢ࡜ྠᵝ࡛࠶ࡾ㸰㸧ࠊ෭༷ࡀ㐀ᙧ᪉ྥ࡟㐍ࡳࠊ࣐ࢺࣜࢵࢡࢫ࡜ඹᬗ⤌⧊࡛จᅛࡀ㐍ࢇࡔࡇ࡜ࢆ♧ࡋ࡚࠸ࡿࠋ୍᪉ࠊ⁐య໬ฎ⌮ᚋ % ᮦࡢ⤖ᬗ⢏⣔ᚄࡣ኱ࡁࡉ࡟ኚ໬ࡣ࡞࠸ࡶࡢࡢࠊࢹࣥࢻࣛ࢖ࢺ⤌⧊ࡣᾘኻࡋࡓࠋ㘫㐀ᮦࡢ & ᮦࡣࠊ෌⤖ᬗࡋࡓࡶࡢ࡜⪃࠼ࡽࢀࡿᚤ⣽࡞⤖ᬗ࡛ᵓᡂࡉࢀ࡚࠾ࡾࠊᡤࠎ࡟኱ࡁ࡞ᯒฟ≀ࡶㄆࡵ
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ᵝ࡛࠶ࡿࡀࠊ⤖ᬗ⢏⏺ࡢᡤࠎ࡟⁐య໬⇕ฎ⌮᫬ࡢ෌⤖ᬗ࡟ࡼࡾ⏕ࡌࡓ࡜ᛮࢃࢀࡿᚤ⣽࡞⤖ᬗࡀㄆࡵࡽࢀࡓࠋࡑࢀࡒࢀࡢ⤖ᬗ⢏ࡣ≉ᐃࡢ⤖ᬗ᪉఩ࢆ♧ࡋ࡚࠾ࡽࡎࠊࣛࣥࢲ࣒ࡔࡗࡓࠋ୍
᪉ࠊ& ᮦࡣ⁐య໬⇕ฎ⌮࡟ࡼࡿ෌⤖ᬗ࡛ᚤ⣽࡞⤖ᬗ⢏ࡀ☜ㄆ࡛ࡁࡓࠋ⾲  ヨ㦂ᮦࡢ✀㢮$ ᮦ㐀ᙧᮦ㸦⁐య໬᫬ຠ⇕ฎ⌮࡞ࡋ㸧% ᮦ㐀ᙧᮦ㸦Υ⁐య໬᫬ຠ⇕ฎ⌮࠶ࡾ㸧 & ᮦ㘫㐀ᮦ㸦Υ⁐య໬᫬ຠ⇕ฎ⌮࠶ࡾ㸧

100 ੇ

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㸫 ホ౯᪉ἲ 㐀ᙧᮦࡢ୰ኸ㒊㏆ഐ࠿ࡽࡢヨ㦂∦ࢆษࡾฟࡋࠊ23$㸦$O΃2
΄㸧ཬࡧ 236㸦6L2΃㸧࡛㙾㠃◊☻ࢆ᪋ࡍࠋḟ࡟ࠊ⋤Ỉ࡛࢚ࢵ 㸦D㸧$ ᮦ㸦E㸧% ᮦ  㸦F㸧& ᮦ㻌

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ᅗ 3.  EBSD ศᯒ⤖ᯝ㸫 (30$ ศᯒ㸦㟁Ꮚ⥺࣐࢖ࢡࣟ࢔ࢼࣛ࢖ࢨ㸧ᅗ  ࡟ࠊ$ ᮦ㹼& ᮦ᩿㠃ࡢ (30$ ศᯒ⤖ᯝࢆࡲ࡜ࡵ࡚♧ࡍࠋ
㸦D㸧࡟♧ࡍ $ ᮦࡣ⢏⏺ཬࡧඹᬗ⤌⧊࡟ 1E ࡜ 7L ࡢ⃰໬ࡀㄆࡵࡽࢀࡓࠋࡇࢀࡣ⁐᥋᫬࡜ྠᵝ࡟ࠊȚ┦㸦1L&U㸧ࢆ࣐ࢺࣜࢵࢡ
ࢫ࡜ࡋࠊඹᬗ⤌⧊ࡣȚ┦࡜㸿㸰㹀ᆺ㔠ᒓ㛫໬ྜ≀ࡢ 1L1Eࠊ
1L7L ࠿ࡽᵓᡂࡉࢀࡓ /DYHV ┦࡜᥎ᐹࡉࢀࡿࠋࡲࡓࠊഹ࠿࡟
Ⅳ໬≀㸦1E&ࠊ7L&㸧ࡢᯒฟࡶㄆࡵࡽࢀࡓࠋ
㸦E㸧࡟♧ࡍ % ᮦࡣࠊ(30$ ศᯒࡢศゎ⬟࡛ࣞ࣋ࣝࡣ࠶ࡿࡀ㸦D㸧࡛ぢࡽࢀࡓඹᬗ⤌⧊ࡣᾘኻࡋ࡚࠸ࡓࠋࡲࡓࠊ
㸦F㸧࡟♧ࡍ & ᮦ࡛ㄆࡵࡽࢀࡓᯒฟ≀ࡣ 1E&ࠊ7L& ୺యࡢⅣ໬≀࡜࠸࠺ࡢࡀ☜ㄆ࡛ࡁࡓࠋ

཯ᑕ㟁Ꮚീ   1E     7L ⪃ᐹ
,Q ྜ㔠ࡢᙉ໬࡟⧅ࡀࡿ⢏⏺ࡢᯒฟ≀ࡢ᭷↓ࡸࡑࡢᙧែ
ࢆ᫂ࡽ࠿࡟ࡍࡿࡓࡵ࡟ࠊ% ᮦ࡟ࡘ࠸࡚㧗ศゎ⬟ศᯒࡀྍ⬟࡞7(0$(0 ศᯒࢆᐇ᪋ࡋࡓࠋᚓࡽࢀࡓ⤖ᯝࢆࠊᅗ  ࡟♧ࡍࠋࡇࡢᅗࡼࡾࠊ⤖ᬗ⢏⏺ෆ࡟ከᩘࡢ 1E ࡀᩘੇ௨ୗࡢ㔪≧࡛Ꮡᅾࡋ࡚
࠾ࡾࠊࡇࢀࡀ 1L ⃰໬࡜ &U ࡢῶᑡ࡟ᑐᛂࡋ࡚࠸ࡿࡇ࡜ࡀศ࠿
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2.0 ੇ㻌ᬯどീ      1L&U
1E  7L &ᅗ 7(0$(0 ࡟ࡼࡿศᯒ⤖ᯝ㸦%% ᮦ㸧&      1L     &U
㸦a㸧⇕ฎ⌮࡞ࡋ㸦A ᮦ㸧㻌཯ᑕ㟁Ꮚീ  1E    7L&      1L    &U
㸦b㸧⇕ฎ⌮ 980Υ㸦B ᮦ㸧㻌཯ᑕ㟁Ꮚീ  1E    7L&      1L     &U
㸦c㸧㘫㐀ᮦ㸦C ᮦ㸧ᅗ  ྛヨ㦂ᮦࡢ (30$ ศᯒ⤖ᯝ ௨ୖࡢࡇ࡜࠿ࡽ㐀ᙧࡢࡲࡲ࡛ࡣ /DYHV ┦ࡀᙧᡂࡉࢀࠊࡇࢀ
࡟⁐య໬⇕ฎ⌮࣭᫬ຠฎ⌮ࢆ᪋ࡍࡇ࡜࡟ࡼࡾᘬᙇᙉᗘࡀୖ᪼
ࡋࡓࡶࡢ࡜⪃࠼ࡽࢀࡿࠋࡲࡓࠊࡇࡢț┦㸦1L1E㸧ࡀᚤ⣽࡛㔪≧࡞ࡇ࡜ࡀ $670 ࡟♧ࡉࢀࡓ㘫㐀ᮦࡢᘬᙇᙉᗘ⤖ᯝࢆ♧ࡍせᅉ࡛࠶ࡿࠋ⤌⧊㐣⛬࡜ࡋ࡚ࡣࠊึ┦Ț㸦1L&U㸧/DYHV ┦㸦1L1E㸧ࡢᙉ໬┦Ⓨ⏕࡟ࡼࡾ◚᩿ఙࡧࢆୖᅇࡿᘬᙇᙉᗘࢆ᭷
ࡍࡿ࡜♧၀ࡉࢀࡿࠋ
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㸦㸧㐀ᙧᮦࡢࡲࡲ࡛ࡣ෭༷᪉ྥ࡟ᡂ㛗ࡋࡓ㛗ࡉ  ੇ⛬ᗘࡢ⣽㛗࠸⤖ᬗ⢏࡛ᵓᡂࡉࢀȚ┦୰࡟ /DYHV ┦ࡀࢹࣥࢻࣛ࢖ࢺ
≧ࡢඹᬗ⤌⧊ࢆ♧ࡍࠋ㸦㸧⁐య໬᫬ຠ⇕ฎ⌮࡛ࡣ⤖ᬗࡢ኱ࡁࡉࡣ࡯࡜ࢇ࡝ኚࢃࡽ
࡞࠸ࠋࡋ࠿ࡋࠊ⢏ෆ࡟ᩘੇ௨ୗࡢከᩘࡢ㔪≧ 1L΄1E ୺యࡢᙉ໬┦ࡀᯒฟࡍࡿࡇ࡜ࡀ☜ㄆ࡛ࡁࡓࠋ
㸦㸧ࡇࡢࡇ࡜࡟ࡼࡾ Υ࡛⇕ฎ⌮ࡋࡓ⁐య໬᫬ຠ⇕ฎ⌮᮲௳࡛ࡣࠊ$670 ࡢつ᱁್௨ୖࡢᘬᙇᙉᗘࡸ◚᩿ఙࡧࢆ♧ࡋࡓࡶࡢ࡜⪃࠼ࡽࢀࡿࠋ
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㉸ࠎ⮫⏺ᅽⅆຊⓎ㟁ࣉࣛࣥࢺ࡟࠾࠸࡚㸪ඃࢀࡓࢡ࣮ࣜࣉᙉᗘࢆ᭷ࡍࡿ㧗 Cr ⪏⇕㗰ࡀ౑⏝ࡉࢀ࡚࠸ࡿ㸬ࡑࡢ୰ࡢ୍ࡘ࡛࠶ࡿᨵⰋ 9Cr-1Mo 㗰ࡣ㸪୺⵨Ẽ㓄⟶➼ࡢ୺せᶵჾ࡟⏝࠸ࡽࢀ࡚࠾ࡾ㸪ࡇࡢࡼ࠺࡞ᶵჾࡢ⁐᥋㒊ࡣ⁐᥋ᚋ࡟⪏ᅽヨ㦂ࡀ⾜ࢃࢀࡿࡇ࡜ࡀከ࠸ࡓࡵ㸪ࢡ࣮ࣜࣉᙉᗘࡢ௚࡟⁐᥋㒊ࡢࡌࢇᛶࡀせồࡉࢀࡿ㸬ᨵⰋ 9Cr-1Mo 㗰࡟㐺⏝ࡉࢀࡿ୺࡞⁐᥋᪉ἲࡣ⿕そ࢔࣮ࢡ⁐᥋㸦SMAW㸧㸪ࢧࣈ࣐࣮ࢪ࢔࣮ࢡ⁐᥋㸦SAW㸧㸪ࢸ࢕ࢢ⁐᥋㸦GTAW㸧࡛࠶ࡿࡀ㸪ࡇࢀࡽࡢ⁐᥋᪉ἲࡢ⁐᥋㔠ᒓ࡟ࡘ࠸࡚⣔⤫ⓗ࡟ࡌࢇᛶࢆㄪᰝࡋࡓ◊✲ࡣᑡ࡞࠸㸬9Cr ⣔㗰⁐᥋㔠ᒓࡢࡌࢇᛶపୗせᅉ࡜ࡋ࡚ࡣ㸪㓟⣲⃰ᗘࡢቑຍ 1㸧➼ࡀ㸪ࡌࢇᛶྥୖ࡟㛵ࡍࡿࡶࡢࡣ㸪⁐᥋ᚋ⇕ฎ⌮㸦PWHT㸧ࡢ㐺⏝ 2㸧ࡀ࠶ࡾ㸪㔠ᒓ⤌⧊㸪໬Ꮫᡂศ࠾ࡼࡧ⇕ฎ⌮ࡀࡌࢇᛶ࡟኱ࡁ࡞ᙳ㡪ࢆཬࡰࡍࡇ࡜ࡀ▱ࡽࢀ࡚࠸ࡿ㸬ࡑࡇ࡛ᮏ◊✲ࡣ㸪SMAW㸪
SAW ࠾ࡼࡧ GTAW ࡢྛ⁐᥋㔠ᒓ࡟࠾ࡅࡿ PWHT ࡢ᭷↓ࡀࡌࢇᛶ࡟ཬࡰࡍᙳ㡪ࢆ᫂ࡽ࠿࡟ࡋ㸪㔠ᒓ⤌⧊ᏛⓗほⅬ࠿ࡽ⪃ᐹࢆຍ࠼ࡓ㸬㻞䠊◊✲᪉ἲ㻌 ᯈཌ 19 mm ࡢ SM490A 㗰ᯈࢆ⏝࠸࡚㸪

Table 1 Welding condition of each welding processes.

SMAW ⥅ᡭ࡜ SAW ⥅ᡭࡣ SMAW 㔠ᒓ࡛㸪
GTAW ⥅ᡭࡣ GTAW 㔠ᒓ࡛୕ᒙࣂࢱࣜࣥ
ࢢࡋࡓ㛤ඛ㒊࡟⁐᥋ࡋࡓ㸬࡞࠾㸪⁐᥋᪉ἲ࡟ࡼࡽࡎྠࡌ㛤ඛᙧ≧࡜ࡋࡓ㸬Table1㸪2࡟⁐᥋᮲௳࡜⁐᥋㔠ᒓࡢ໬Ꮫᡂศࢆ♧ࡍ㸬

Table 2 Chemical composition of each weld metals.

〇సࡋࡓ⁐᥋⥅ᡭ࡟ಖᣢ ᗘ 1013 K㸪ಖᣢ᫬㛫 7.2 ks ࡛ PWHT ࢆ᪋ࡋࡓ㸬ࡑࡋ࡚㸪⁐᥋⥅ᡭࡢᯈཌ୰ᚰ࠿ࡽ⁐᥋㔠ᒓ୰ኸ㒊ࡀࣀࢵࢳ㒊࡟࡞ࡿࡼ࠺࡟ 2 mmV ࣀࢵࢳࢩࣕ
ࣝࣆ࣮ヨ㦂∦ࢆ᥇ྲྀࡋ㸪183-513 K ࡛ࢩࣕࣝࣆ࣮⾪ᧁヨ㦂ࢆ⾜ࡗ࡚⾪ᧁ࢚ࢿࣝࢠ࣮࡜ࡐ࠸ᛶ◚㠃⋡ࢆồࡵࡓ㸬ࡉࡽ࡟㸪ヨ㦂∦◚㠃ࢆ FE-SEM ࡛ ȝPîȝP ࡢ㡿ᇦࢆ 10 ど㔝ほᐹࡋ㸪ほᐹࡉࢀࡓ඲࡚ࡢ௓ᅾ≀ࢆ EDX ศᯒ࡛ྠᐃࡋ㸪௓ᅾ≀ࡢಶᩘᐦᗘࢆồࡵࡓ㸬ࡲࡓ㸪Ⲵ㔜 9.8 N ࡛⁐᥋㔠ᒓࡢ࣐࢖ࢡࣟࣅࢵ࣮࢝ࢫ◳ࡉ ᐃࢆ⾜ࡗࡓ㸬㻟䠊⤖ᯝ㻌Fig. 1 ࡟ PWHT ࡢ᭷↓࡟ࡼࡿྛ⁐᥋㔠ᒓࡢ⾪ᧁ࢚ࢿࣝࢠ࣮ࡢኚ໬ࢆ♧ࡍ㸬⁐᥋ࡢࡲࡲࡢ SMAW ࡜ SAW ࡢୖ㒊Ჴ࢚ࢿࣝࢠ࣮ࡣ⣙ 50 J ࡛࠶ࡗࡓࡀ㸪PWHT ࡟ࡼࡾ 150 J ௨ୖ࡟ୖ᪼ࡋࡓ㸬ࡉࡽ࡟㸪࢚ࢿࣝࢠ࣮㑄⛣ ᗘࡣ 356 K ࠿ࡽ 273 K ࡟పୗࡋࡓࡇ࡜࠿ࡽ㸪PWHT ࡟ࡼࡾࡌࢇᛶࡀྥୖࡋࡓ㸬୍᪉㸪GTAW ࡢୖ㒊Ჴ࢚ࢿࣝࢠ࣮ࡣ⁐᥋ࡢࡲࡲ࡛ࡶ 180 J ࡜㧗࠸್ࢆ♧ࡋ㸪PWHT ࡛ࡉࡽ࡟ࡌࢇᛶࡀ㧗ࡃ࡞ࡗࡓ㸬ࡇࡢࡼ࠺࡟㸪ྛ⁐᥋㔠ᒓࡢୖ㒊Ჴ࢚ࢿࣝࢠ࣮ࡀ
኱ࡁࡃ␗࡞ࡿࡓࡵ㸪◚㠃ほᐹࢆ⾜ࡗ࡚ࡑࡢせᅉࢆ᳨ウࡋࡓ㸬Fig. 2 ࡟⁐᥋ࡢࡲࡲ࠾ࡼࡧ PWHT ᚋࡢ◚㠃ほᐹ⤖ᯝࢆ♧ࡍ㸬⁐᥋ࡢࡲࡲ࡛඲࡚ࡢ⁐᥋㔠ᒓ࡟ࢹ࢕ࣥࣉࣝࡀほᐹࡉࢀ㸪SMAW ࡜ SAW ࡢࢹ࢕ࣥࣉࣝࡣ GTAW ࡼࡾᑠࡉ࠿
ࡗࡓ㸬PWHT ᚋࡣࢹ࢕ࣥࣉࣝࡢ㡿ᇦ㠃✚ࡀῶᑡࡋࡓ㸬ࡲࡓ㸪SMAW㸪SAW ࡛ࡣ㸪ከࡃࡢࢹ࢕ࣥࣉ࡛ࣝ୰ኸ㒊࡟⢏≧ࡢ௓ᅾ≀ࡀほᐹࡉࢀࡓ㸬Fig. 3 ࡟ SMAW ࡢ⁐᥋ࡢࡲࡲ࡛ほᐹࡉࢀࡓ௓ᅾ≀ࡢ EDX ศᯒ⤖ᯝࢆ♧ࡍ㸬▮༳ࡢ௓ᅾ≀࠿ࡽ㧗⃰ᗘࡢ Mn㸪Si㸪O ࡀ᳨ฟࡉࢀࡓࡇ࡜࠿ࡽ㸪⢏≧ࡢ௓ᅾ≀ࡣ MnSiO3 ࡛࠶ࡿ࡜⪃࠼ࡽࢀࡿ㸬− 95 −

Fig. 2 SEM micrographs of fracture surface after
charpy impact test.

Fig. 1 Effects of welding processes and PWHT on impact energy.

SMAW ࡜ SAW ࡛ࡣ㸪
MnSiO3 ࡀከᩘほᐹࡉࢀࡓࡀ㸪GTAW ࡛ࡣ࡯࡜ࢇ࡝ほᐹࡉࢀ࡞࠿ࡗࡓ㸬ࡋࡓࡀࡗ࡚㸪
SMAW ࡜ SAWࡀGTAW ࡼࡾࡌࢇᛶࡀప
࠸ࡢࡣ㸪㓟໬≀ࡀከᩘᏑᅾࡍࡿࡓࡵ࡜⪃࠼ࡽࢀࡿ㸬࡞࠾㸪◚㠃࠿ࡽⅣ໬≀ࡣ࡯࡜ࢇ࡝᳨ฟࡉࢀ࡞࠿ࡗ

Fig. 3 SEM micrograph and EDX spectrum of inclusion in SMAW metals of as welded state.

ࡓ㸬Fig. 4 ࡟ྛ⁐᥋㔠ᒓࡢ PWHT ᭷↓࡟࠾ࡅࡿ◚㠃ࡢ㓟໬≀ಶᩘᐦᗘࢆ♧ࡍ㸬GTAW ࡣ㓟໬≀ࡀ࡯࡜ࢇ࡝ほᐹࡉࢀࡎ㸪SMAW ࡜ SAW ࡣ㸪PWHT ࡟ࡼࡾ㓟໬≀ᐦᗘࡀ኱ᖜ࡟ῶᑡࡋࡓ㸬ࡇࢀࡣ㸪PWHT ࡟ࡼࡿⅣ໬≀ࡢᯒฟ࡛ C ࡢᅛ⁐ᙉ໬ࡀపῶࡉࢀ
࡚㸪◳ࡉࡀ Hv=416 ࠿ࡽ 273 ࡟పୗࡍࡿࡇ࡜࡛
࣐ࢺࣜࢵࢡࢫࡀ㌾໬ࡋ㸪㓟໬≀࡜࣐ࢺࣜࢵࢡࢫ
ࡢቃ⏺ࡀ๭ࢀ࡟ࡃࡃ࡞ࡗࡓࡓࡵ࡜⪃࠼ࡽࢀࡿ㸬㻠䠊⤖ㄽ㻌

Fig. 4 Change of oxide density of weld metals and after PWHT.

 ᨵⰋ 9Cr-1Mo 㗰ࡢ⁐᥋㔠ᒓࡢࡌࢇᛶࡣ㓟໬≀ᐦᗘࡀ㧗࠸࡯࡝పୗࡍࡿࡀ㸪PHWT ࡟ࡼࡿ࣐ࢺࣜࢵࢡࢫࡢ◳ࡉపୗ࡟ࡼࡾ㓟໬≀ࡢᝏᙳ㡪ࡀపῶࡋࡓ㸬ཧ⪃ᩥ⊩
1㸧C. Chovat, E. Galand, B. Leduey, Welding in the World, 52, No7/8 (2008), 18-26.
2㸧R. K. Shiue, K. C. Lan, C, Chen, Materials Science and Engineering A, 287 (2000), 10-16.
㸦ඹྠ◊✲ศ㔝㸸⁐᥋ᶵᵓᏛศ㔝㸧− 96 −

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1) R.S. Mishra and Z.Y. Ma, Mater. Sci. Eng. R 50 (2005) 1-78.
2) C. I. Chang, et al., Scripta Mater. 57 (2007) 209-212.
3) Y. Morisada, et al., Mater. Sci. Eng. A 419 (2006) 344-348.
4) K. Inada, et al., Sci. Technol. Weld. Join. 15 131-136 (2010)5) N. Xu, et al., Mater. Lett. 219 (2018) 93-96.

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1.2mmࡢGA㗰㸦ࡵࡗࡁཌࡉ⣙8m㸧ࢆୗᯈ࡜ࡋ࡚㔜ࡡⅬ᥋ྜࢆ⾜ࡗࡓ㸬᥋ྜࡣ㸪࢚࢔ࢩࣜࣥࢲୖ࡟ࢭࢵࢺࡋࡓヨᩱࢆᅇ㌿ࡍࡿ᥋ྜࢶ࣮ࣝ࡟ᢲࡋ㎸ࡴࡇ࡜࡛ᐇ᪋ࡋࡓ㸬౑⏝ࡋࡓ࢚࢔ࢩ
ࣜࣥࢲࡣ᭱኱12kNࡢᆶ┤Ⲵ㔜ࢆⓎ⏕ࡉࡏࡿࡇ࡜ࡀ࡛ࡁࡿ㸬᥋ྜ᮲௳ࡣ㸪ࢶ࣮ࣝᅇ㌿㏿ᗘ 970
rpm㸪ࢶ࣮ࣝᢲࡋ㎸ࡳ㔞ࢆ1.1㹼1.9mm࡜ࡋ࡚㸪᥋ྜ᫬㛫2.5⛊࡜ࡋࡓ㸬ᚓࡽࢀࡓ᥋ྜᮦࡣ㸪㉮ᰝᆺ㟁Ꮚ㢧ᚤ㙾ࢆ⏝࠸࡚᥋ྜ⏺㠃㏆ഐࢆほᐹࡋ㸪ేࡏ࡚㸪JIS Z3136࡟ࡋࡓࡀࡗ࡚ᘬᙇࡏࢇ᩿ヨ㦂ࢆ㸪JIS Z3137࡟ࡋࡓࡀࡗ࡚༑Ꮠᘬᙇヨ㦂ࢆᐇ᪋ࡋࡓ㸬㸱㸬ᐇ㦂⤖ᯝཬࡧ⪃ᐹ  ᥋ྜ⥅ᡭࡢ᩿㠃ほᐹ
Fig.4࡟㸪ࢶ࣮ࣝᢲࡋ㎸ࡳ㔞ࢆ1.9mm࡜ࡋ࡚᥋ྜࡋࡓᮦᩱࡢ✺㉳㒊㏆ഐࡢ᩿㠃SEM཯ᑕ㟁Ꮚീ− 105 −

ࢆ♧ࡍ㸬Fig.2ࡢA5052/GA᥋ྜᮦࡢ✺㉳㒊㏆ഐ࡜ẚ㍑ࡍࡿ࡜㸪㗰✺㉳ࡢ㧗ࡉ㸪ࡦࡔᙧ≧ࡣᨵၿࡉࢀ㸪㔠ᒓ㛫໬ྜ≀ᒙ⏕ᡂࡣ኱ᖜ࡟ᢚไࡉࢀ࡚࠸ࡿࡇ࡜ࡀศ࠿ࡿ㸬ᙉᗘヨ㦂
Fig.5࡟ࢶ࣮ࣝᢲࡋ㎸ࡳ㔞࡜ᘬᙇࡏࢇ᩿
ᙉᗘཬࡧ༑Ꮠᘬᙇᙉᗘࡢ㛵ಀࢆ♧ࡍ㸬ࢶ࣮ࣝᢲ㎸ࡳ㔞

1.9mmࡢ᮲௳࡛㸪ᘬᙇࡏࢇ᩿ᙉᗘࡣ⣙1.2kN㸪༑Ꮠᘬᙇᙉᗘࡣ⣙0.55kN࡟
㐩ࡋ࡚࠸ࡿ㸬࡞࠾㸪A5052࡜GA㗰ࡢ᥋ྜᮦ࡛ࡣ
ᘬᙇࡏࢇ᩿ᙉᗘ⣙2.6kNࡢ᮲௳࡛༑Ꮠᘬᙇᙉᗘ
ࡣ⣙0.8kN࡛࠶ࡗࡓ㸬ᘬᙇࡏࢇ᩿ᙉᗘ࡜༑Ꮠᘬᙇᙉᗘࡢẚ௒ᅇࡢᐇ㦂࡛⏝࠸ࡓ㝧ᴟ㓟໬࢔࣑ࣝᯈࡣẕᮦ
ࡀA1100࡛࠶ࡾ㸪A5052࡟ẚࡋẕᮦ⮬యࡢᙉᗘࡀ
ప఩࡛࠶ࡿࡓࡵ㸪ᚓࡽࢀࡓᙉᗘࡑࡢࡶࡢࡢẚ㍑
ࡣ࡛ࡁ࡞࠸㸬ࡑࡇ࡛㸪ࡇࢀࡲ࡛࡟ᚓࡽࢀ࡚࠸ࡿ
ᦶ᧿࢔࣮ࣥ࢝᥋ྜ⥅ᡭࡢᘬᙇࡏࢇ᩿ᙉᗘ࡜༑
Ꮠᘬᙇᙉᗘࡢẚࢆࢢࣛࣇ໬ࡋࡓࡶࡢࢆFig.6࡟♧ࡍ㸬㗰✺㉳ࡀFig.1(a1)࡟♧ࡍࡼ࠺࡟⌫㠃ࢶ࣮ࣝ࡟ἢࡗ࡚⣽ࡃ㛗ࡃఙࡧࡓᙧ≧ࢆ࿊ࡋࡓሙྜ
ࡣ㸪༑Ꮠᘬᙇᙉᗘࡢᘬᙇࡏࢇ᩿ᙉᗘ࡟ᑐࡍࡿẚࡣ 0.6~0.8࡟࡞ࡿࡇ࡜ࡀศ࠿ࡿ㸬ࡇࢀ࡟ᑐࡋ࡚㸪
A5052/GA⥅ᡭࡢሙྜࡣ㸪ࡑࡢẚࡀ⣙0.3࡜㠀ᖖ࡟ప఩࡜࡞ࡗ࡚࠸ࡿ㸬୍᪉㸪௒ᅇᚓࡽࢀࡓ㝧ᴟ㓟໬A1100/GA⥅ᡭࡣ⣙0.45࡜࡞ࡗ࡚࠸ࡿ㸬ࡇࢀࡣ㸪㗰✺㉳ࡢ㧗ࡉཬࡧᙧ≧ࡀᨵၿࡉࢀ㸪㗰✺㉳㏆ഐࡢ㔠ᒓ㛫໬ྜ≀⏕ᡂࡀᢚไࡉࢀࡓࡇ࡜࡟
㉳ᅉࡍࡿࡶࡢ࡜᥎ᐃࡋ࡚࠸ࡿ㸬㸲㸬⤖ゝ㝧ᴟ㓟໬ฎ⌮A1100/GA㗰ࡢᦶ᧿࢔࣮ࣥ࢝᥋ྜ࡛ࡣ㸪㝧ᴟ㓟໬⿕⭷ࡀGAࡵࡗࡁ⭷࡜࢔࣑ࣝࢽ࣒࢘ࡢ┤᥋᥋ゐࢆᢚไࡍࡿࡇ࡜࡟ࡼࡗ࡚㸪㗰✺㉳ࡢ㧗ࡉཬࡧᙧ≧ࡀᨵၿࡉࢀ㸪㔠ᒓ㛫໬ྜ≀ࡢ⏕ᡂࡀᢚไࡉࢀࡓ㸬ࡇࢀ࡟ࡼࡗ࡚㸪≉࡟༑Ꮠᘬᙇᙉᗘࡢ኱ᖜ࡞పῶࢆ୍ᐃ⛬ᗘᢚไࡍࡿࡇ࡜ࡀྍ⬟࡛࠶ࡿࡇ࡜ࡀศ࠿ࡗࡓ㸬ཧ ⪃ᩥ⊩
1)

M. Sakamura et al., Quarterly Journal of Japan Welding Society, 34-1 (2016), 8-19.㸦ඹྠ◊✲ศ㔝㸸᥋ྜ⏺㠃ᶵᵓᏛศ㔝㸧

− 106 −

◊✲ㄢ㢟   㕲㗰ᮦᩱࡢᦶ᧿ᨩᢾ᥋ྜ㸦)6:㸧࡜⥅ᡭࡢᶵ⬟ホ౯ ᦶ᧿ᨩᢾࣉࣟࢭࢫ࡟ࡼࡿ໬ྜ≀ࡀศᩓࡋࡓ࣮ࣞࢨ⫗┒ᒙࡢ≉ᛶྥୖ㸦ᆅ⊂㸧⚄ዉᕝ┴❧⏘ᴗᢏ⾡⥲ྜ◊✲ᡤ᝟ሗ࣭⏕⏘ᢏ⾡㒊 ⸃⏣ ᑑ㝯 ⥴ゝ࣮ࣞࢨ⢊య⫗┒࡛ࡣࠊ㔠ᒓ࡜໬ྜ≀ࡢ⢊ᮎࢆྠ᫬࡟౪⤥ࡍࡿࡇ࡜࡛ࠊ㔠ᒓᇶᆅ୰࡟໬ྜ≀ࢆศᩓࡉࡏࡓ◳໬ᒙࡢᙧᡂࡀྍ⬟࡛࠶ࡿ 㸧ࠋࡋ࠿ࡋࠊ໬ྜ≀㔞ࢆቑࡸࡍ࡜⫗┒୰࡟๭ࢀࡀ⏕ࡌࡿࡓࡵࠊ໬ྜ≀ࡢΰྜ㔞࡟ࡣୖ㝈ࡀ࠶ࡿࠋ໬ྜ≀ࢆࡕᐦ࡟ศᩓࡉࡏࡿࡇ࡜ࡣᅔ㞴࡛࠶ࡾࠊ⫗┒ᒙࡣ㠃᥋ゐࡢᦶ⪖࡟ࡣඃࢀࡿࡶࡢࡢࠊ⢏≧≀㉁➼ࡢ⾪✺࡟㉳ᅉࡍࡿࡼ࠺࡞ᦶ⪖࡟ࡣ໬ྜ≀ศᩓࡢຠᯝࡣ༑ศ࡟Ⓨ⌧ࡉࢀ࡞࠸ࡇ࡜ࡀᠱᛕࡉࢀࡿࠋ
ᦶ᧿ᨩᢾࣉࣟࢭࢫࢆᕤල㗰⢊ᮎ࡟ࡼࡿ࣮ࣞࢨ⢊య⫗┒ᒙ࡟㐺⏝ࡍࡿ࡜ࠊᬗฟⅣ໬≀ࢆᚤ⣽࡟ศᩓ࡛ࡁࡿࡇ࡜ࡀ
᫂ࡽ࠿ࡉࢀ࡚࠸ࡿ 㸧ࠋࡇࡢࣉࣟࢭࢫࢆ໬ྜ≀ࢆศᩓࡉࡏࡓ⫗┒ᒙ࡟㐺⏝ࡋ໬ྜ≀ࢆศᩓࡕᐦ໬࡛ࡁࡿ࡞ࡽࡤࠊ⢏≧≀㉁࡟ࡼࡿ⪏ᦶ⪖≉ᛶࡢྥୖࡀᮇᚅ࡛ࡁࡿࠋ
᫖ᖺᗘࡢඹྠ◊✲࡛ࡣࠊ1L ᇶ⮬⁐ྜ㔠࡜㉸◳ྜ㔠ࡢΰྜ⢊ᮎ࡟ࡼࡾᙧᡂࡋࡓ࣮ࣞࢨ⢊య⫗┒ᒙ࡟ᑐࡋᦶ᧿ᨩ
ᢾࣉࣟࢭࢫࢆ㐺⏝ࡋࠊ㉸◳ྜ㔠ࢆ⦓ᐦศᩓ࡛ࡁࡿࡇ࡜ࢆ☜ㄆࡋࡓࠋ௒ᖺᗘࡣศᩓᒙࡢ◳ࡉ ᐃ࡜⤌⧊ほᐹࢆ⾜ࡗࡓࠋ ᐇ㦂᪉ἲ
1L ᇶ⮬⁐ྜ㔠࠾ࡼࡧ㉸◳ྜ㔠㸦:&&R ⣔㸧ࡢΰྜ⢊ᮎࢆ౪⤥ࡋ࡞ࡀࡽపྜ㔠㗰ᯈୖ࡬࣮ࣞࢨࢆ↷ᑕࡋ⫗┒ᒙࢆᙧᡂࡋࡓࠋࡑࡢᚋᨺ㟁ຍᕤ࡟ࡼࡾ⫗┒ᒙ⾲㠃ࢆᖹᆠ࡟ࡋࠊᦶ᧿ᨩᢾࣉࣟࢭࢫฎ⌮㸦௨㝆 )63 ฎ⌮࡜グࡍ㸧ࢆ⾜ࡗࡓࠋࢶ࣮ࣝᮦ㉁ࡣ㉸◳ྜ㔠࡛ࠊࣇࣛࢵࢺࢶ࣮ࣝࡢ࢚ࢵࢪࢆ฼⏝ࡋ )63 ฎ⌮ࢆ⾜ࡗࡓࠋࡑࡢᚋ࣡࢖࣮ࣖᨺ
㟁ຍᕤ࡟ࡼࡾࢶ࣮ࣝ㉮ᰝ᪉ྥ࡟ᑐࡋ┤ゅ࡟ษ᩿ࡋ⤌⧊ほᐹ⏝ヨᩱࢆస〇ࡋࡓࠋගᏛ㢧ᚤ㙾࡟ࡼࡿほᐹࠊ◳ࡉ ᐃࠊ࠾ࡼࡧ㟁Ꮚ⥺࣐࢖ࢡࣟ࢔ࢼࣛ࢖ࢨ࣮࡟ࡼࡿඖ⣲ศᯒࢆ⾜ࡗࡓࠋࡉࡽ࡟᭱⾲ᒙ࡟࠾࠸࡚ 7(0 ほᐹࢆ⾜ࡗࡓࠋ ⤖ᯝཬࡧ⪃ᐹ
)LJ ࡣ )63 ฎ⌮᩿㠃ࡢගᏛ㢧ᚤ㙾෗┿ࢆ♧ࡍࠋ D ࡟♧ࡍ࣐ࢡࣟ⤌⧊෗┿࡟࠾࠸࡚⫗┒ᒙ⾲㠃࡟࠾࠸࡚พࢇ࡛
࠸ࡿ㒊ศࡀ )63 ฎ⌮ᒙ࡛࠶ࡿࠋE ࡢ┿ࢇ୰ࡼࡾୗഃ࡟࠾
࠸࡚⃰࠸⅊Ⰽࡢ⢏≧࡟ぢ࠼ࡿࡶࡢࡀ :&&R ⢊ᮎ࡛ࠊ᫂ࡿࡃほᐹࡉࢀࡿ㡿ᇦࡀ 1L ᇶ⮬⁐ྜ㔠ࡢจᅛ⤌⧊࡛࠶ࡿࠋ

)LJ E ࠾ࡼࡧ F ࡟࠾࠸࡚ぢࡽࢀࡿࡼ࠺࡟ࠊ⫗┒ᒙ࡛ࡣࠊ)63 ฎ⌮ࢆ⾜ࡗࡓ⾲㠃௜㏆࡛ࡣ :&&R ⢏ࡀ◚○ࡉࢀࡕᐦ࡟ศᩓࡋ࡚࠸ࡿࠋࡲࡓ E ࡟࠾࠸࡚ほᐹࡉࢀࡿࡼ࠺࡟ࠊ
⾲㠃࠿ࡽ㹼ȣPࡢ῝ࡉ࡛ࡣ:&&R⢏ࡣᶓ᪉ྥ࡟
ఙࡤࡉࢀ 1L ᇶ⮬⁐ྜ㔠࡜ඹ࡟ᒙ≧ࢆ࿊ࡋ࡚࠸ࡿࠋࡉࡽ࡟
ࡑࡢୗ࡛ࡣ :&&R ⢏ࡀ୍㒊ᴃ෇ᙧ࡟ኚᙧࡋ࡚࠸ࡿࡇ࡜
ࡀ☜ㄆ࡛ࡁࡿࠋ
)LJ ࡟ )63 ฎ⌮ᒙࡢ◳ࡉࢆ♧ࡍࠋ⃰ῐ࡟ᛂࡌ  ẁ㝵࡟◳ࡉࡀኚ໬ࡋ࡚࠸ࡿࠋ᫂ࡿࡃほᐹࡉࢀࡿ +9 ๓ᚋࡢ㡿ᇦࠊ:&&R ⢏ࡀᶓ᪉ྥ࡟ఙࡤࡉࢀⷧ࠸⅊Ⰽ࡟ほᐹࡉࢀࡿ +9 ๓ᚋࡢ㡿ᇦࠊࡑࡋ࡚ :&&R ⢏ࡀ⣽࠿ࡃศᩓࡋࡓ◳ࡉࡀ +9 ๓ᚋࡢ᭱⾲ᒙ࡛࠶ࡿࠋ᫂ࡿࡃほᐹࡉࢀ
ࡿ㡿ᇦࡣ 1L ᇶ⮬⁐ྜ㔠ࡢจᅛ⤌⧊ࡢ◳ࡉ࡟┦ᙜࡋ࡚࠸ࡿࠋ᭱⾲ᒙࡣ⢏≧≀㉁ࡀศᩓࡋ࡚࠸ࡿࡇ࡜࠿ࡽࠊ◳ࡉࡣ− 107 −

)LJ  &URVVVHFWLRQRI)63HGOD\HU 
D 0DFURVWUXFWXUH E  F 0LFURVWUXFWXUH

)LJ  +DUGQHVVRI)63HGOD\HU 

:&&R ⢏࡜ྠ➼ࡢ +9 ๓ᚋ࡛࠶ࡿࡇ࡜ࡀᮇᚅࡉ
ࢀࡿࠋࡋ࠿ࡋ◳ࡉࡣ +9 ๓ᚋ࡜పୗࡋ࡚࠸ࡿࠋࡑ
ࡇ࡛◳ࡉపୗࡢཎᅉࢆ᫂ࡽ࠿࡟ࡍࡿࡓࡵ࡟ࠊ᭱⾲ᒙࡢඖ⣲ศᯒ࡜ᚤ⣽⤌⧊ࡢほᐹࢆ⾜ࡗࡓࠋ)LJ ࡟㟁Ꮚ⥺࣐࢖ࢡࣟ࢔ࢼࣛ࢖ࢨ࣮࡟ࡼࡿ⾲ᒙ௜㏆ࡢඖ⣲ศᕸࢆ♧ࡍࠋ D ࡢ 6(0 ീࢆぢࡿ࡜ࠊ⾲㠃௜㏆࡛ࡣ :& ࡜᝿ᐃࡉࢀࡿ⢏≧ࡢࡶࡢࡀศᩓࡋ࡚ほᐹࡉࢀࡿࠋࡋ࠿ࡋ F ࡢ : ࡜ G ࡢ & ศᕸࢆぢࡿ࡜ࠊ: ࡢ⃰ᗘࡀప࠸ሙᡤ࡛ࡶ & ࡀྠᐃࡉࢀࠊ఩⨨ࡀ୍⮴ࡋ࡚࠸࡞࠸ሙᡤࡀぢࡽࢀࡿࠋ౛࠼ࡤࠊᅗ୰࡟♧ࡋࡓࠐࡢ୰ᚰࡣࠊ: ࡢ⃰ᗘࡣపࡃ 1L ࡢ⃰ᗘࡀ㧗࠸ࡇ࡜࠿ࡽࠊ1L ᇶ⮬⁐ྜ㔠ࡢจᅛ⤌⧊࡜ᛮࢃࢀࡿࠋࡋ࠿ࡋ࡞ࡀࡽࡇࡇ࡟࠾࠸
࡚ & ࡢ⃰ᗘࡣ㧗ࡃ࡞ࡗ࡚࠸ࡿࠋ& ࡢ⃰໬ࡣ :& ࡟⏤᮶ࡍࡿ࡜⪃࠼ࡽࢀࡿࠋࡍ࡞ࢃࡕ :& ࡀศゎࡋ࡚㐟㞳 & ࡀ⏕ࡌࡓࡇ࡜ࡀ⃰໬ࡢཎᅉ࡜ᛮࢃࢀࡿࠋ
ḟ࡟ )LJ ࡟♧ࡍ㡿ᇦࡢ㏱㐣ᆺ㟁Ꮚ㢧ᚤ㙾࡟ࡼࡿ⤌⧊
)LJ  (OHPHQWGLVWULEXWLRQRI)63HGOD\HU ほᐹ࡜ඖ⣲ศᯒࢆ⾜ࡗࡓࠋ )LJ D ࡢ 7(0 ീ࡟ࡣ୕ゅᙧࠊᅄゅᙧࡢ㡿ᇦࡀぢࡽࢀࡿࠋࡇࡢ㡿ᇦࡣ F ࡟ぢࡽࢀࡿࡼ࠺࡟ : ࡀྠᐃࡉࢀ࡚࠸ࡿࠋ
ࡋ࠿ࡋ G ࡛☜ㄆࡉࢀࡿࡼ࠺࡟ࠊྠᅗ୰ࡢᕥഃ࡟ྠᐃࡉࢀ
ࡓሙᡤ௨እࡣࠊ
&࡜: ࡀᏑᅾࡍࡿ఩⨨ࡣ୍⮴ࡋ࡚࠸࡞࠸ࠋ
ࡍ࡞ࢃࡕࠊከࡃࡢ : ࡣ༢ඖ⣲࡜ࡋ࡚Ꮡᅾࡋࠊ:& ࡣศゎࡋ࡚࠸ࡿࠋ
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ࡵ㸪㖡࡜࢔࣑ࣝࢽ࣒࢘ࡢΰྜࢆᢚไࡋ࡚ᦶ᧿ᨩᢾ᥋ྜࢆ⾜࠺᮲௳࡟ࡘ࠸᳨࡚ウࢆ⾜ࡗࡓ㸬㸰㸬◊✲᪉ἲ
ᦶ᧿ᨩᢾ᥋ྜ࡟ࡣ㸪 A1050 ࢔࣑ࣝࢽ࣒࢘

৚ૡॶ‫ش‬ঝᯈᮦ࡜ C1020 㖡ᯈᮦࢆ⏝࠸ࡓ㸬ᯈᮦࡢࢧ࢖ࢬ
ࡣ࡜ࡶ࡟ 50 mm  200 mm  6.0 mm ࡜

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ࡋࡓ㸬ࢶ࣮ࣝࡢ๓㐍ഃ࡟࢔࣑ࣝࢽ࣒࢘ᯈᮦࢆ
㓄⨨ࡋ㸪ᚋ㐍ഃ࡟㖡ᯈᮦࢆ㓄⨨ࡋ࡚✺ྜࡏࡓ㸬ᦶ᧿ᨩᢾ᥋ྜࡣᅗ㸯ࡢࡼ࠺࡟ࣉ࣮ࣟࣈࢆ࢔ࣝ

$࣑ࢽ࣒࢘ഃ࡟ᅽධࡋ࡚఩⨨ไᚚ࡛⾜ࡗࡓ㸬ࢶ࣮ࣝ࡟ࡣࢩࣙࣝࢲᚄ 18 mm㸪ࣉ࣮ࣟࣈᚄ 6ᅗ䠍 䜰䝹䝭䝙䜴䝮䛸㖡䛾✺ྜ䛫ᦶ᧿ᨩᢾ᥋ྜ䛾ᶍᘧᅗ䠊mm㸪ࣉ࣮ࣟࣈ㛗 5.7 mm ࡢࢶ࣮ࣝࢆ⏝࠸ࡓ㸬ࢶ࣮ࣝᅇ㌿ᩘࡣ 1000 rpm, 1500 rpm, 2000 rpm ࡜ኚ໬ࡉࡏࡓ㸬⛣ື㏿ᗘࡣ 200 mm/min ࡜ࡋࡓ㸬๓㐍ゅࡣ 0r, 3r࡜ኚ໬ࡉࡏࡓ㸬ࢶ࣮ࣝࡣ᥋ྜ⏺㠃࠿ࡽ࢔࣑ࣝࢽ࣒࢘ഃ࡬࢜ࣇࢭࢵࢺࡋ㸪ࣉ࣮ࣟࣈഃ㠃࡜᥋ྜ⏺㠃ࡀ᥋ࡍࡿ఩⨨࡜ࡋࡓ㸬ࢶ࣮ࣝࡢᢲࡋ㎸ࡳ㔞ࡣ 0.2
mm ࡜ࡋࡓ㸬ᚓࡽࢀࡓ᥋ྜ㒊࡟ࡘ࠸࡚᩿㠃ほᐹ࡞ࡽࡧ࡟ᘬᙇヨ㦂(n = 3)ࢆ⾜ࡗࡓ㸬ᘬᙇヨ㦂∦ࡣ᥋ྜ᪉ྥ࡟ᆶ┤࡜࡞ࡿࡼ࠺࡟ษࡾฟࡋ㸪ୖୗ㠃ࡢᚋຍᕤࡣ⾜ࢃࡎ᥋ྜࡲࡲ࡜ࡋࡓ㸬㸱㸬⤖ᯝ࠸ࡎࢀࡢ᥋ྜ᮲௳࡟࠾࠸࡚ࡶእほୖḞ㝗ࡢ࡞࠸᥋ྜᮦࢆᚓࡿࡇ࡜ࡀ࡛ࡁࡓ㸬᩿㠃ほᐹ⤖ᯝࢆᅗ㸰࠿ࡽᅗ㸳࡟♧ࡍ㸬㖡ࡀ࢔࣑ࣝࢽ࣒࢘ഃ࡬኱ࡁࡃኚᙧࡍࡿࡇ࡜ࡣ࡞ࡃ㸪࢔࣑ࣝࢽ࣒࢘ෆ࡟✵㝽ࡣほᐹࡉࢀ࡞࠿
ࡗࡓ㸬2000 rpm ࡜࠸࠺ẚ㍑ⓗ㧗ධ⇕ࡢ᮲௳࡛࠶ࡗ࡚ࡶ㖡ࡢኚᙧࡣ᥋ྜ⏺㠃ୖ㒊࡟㝈ᐃࡉࢀ࡚࠾ࡾ㸪࢔࣑ࣝࢽ࣒࢘ෆ࡬ࡢ㖡ࡢศᩓࡣୖ㒊࡛ࢃࡎ࠿࡟ほᐹࡉࢀࡿࡔࡅ࡛࠶ࡗࡓ㸬๓㐍ゅ 3r㸦ᅗ㸰㸪ᅗ㸲㸧࡜๓
㐍ゅ 0r㸦ᅗ㸱㸪ᅗ㸳㸧࡛ẚ㍑ࡍࡿ࡜㸪ୖ㒊࡛ࡢ㖡ࡢኚᙧࡀᢚไࡉࢀ࡚࠸ࡿࡇ࡜ࡀศ࠿ࡗࡓ㸬ᘬᙇヨ㦂ࡢ⤖ᯝࢆ⾲㸯࡟♧ࡋ㸪ᘬᙇヨ㦂ᚋࡢヨ㦂∦እほࢆᅗ㸴㸪ᅗ㸵࡟♧ࡍ㸬๓㐍ゅࡀ 3rࡢሙྜࡣ࠸ࡎࢀࡶ᥋ྜ⏺㠃ࡢ⿬㠃ഃ࠿ࡽࡢ◚᩿࡜࡞ࡗࡓ㸬᩿㠃ほᐹ࠿ࡽ᫂☜࡟ุ᩿ࡍࡿࡇ࡜ࡣᅔ㞴࡛࠶ࡗࡓࡀ㸪− 119 −

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๓㐍ゅࢆ 3r࡜ࡋࡓሙྜ㸪ࣉ࣮ࣟࣈ㛗ࡉ࡜ࢶ࣮ࣝᢲࡋ㎸ࡳ㔞ࡢ㛵ಀ࠿ࡽ㸪ࣉ࣮ࣟࣈඛ➃ࡣ᥋ྜ⏺㠃ࡢୗ㒊࡟ᒆ࠸࡚࠸࡞࠸㸬ࡑࡢࡓࡵ㸪᥋ྜ⏺㠃ୗ㒊࡛ࡢᨩᢾࡀ୙༑ศ࡜࡞ࡾ㸪ᮍ᥋ྜ㒊ࡀṧᏑࡋࡓࡶࡢ࡜⪃࠼ࡽࢀࡿ㸬ࡑࢀ࡟ᑐࡋ࡚๓㐍ゅ 0rࡢሙྜࡣ 2000 rpm ࡢ᮲௳࡛ 3 ᮏ࡜ࡶ࢔࣑ࣝࢽ࣒࢘ẕᮦ◚᩿࡜࡞ࡗࡓ㸬
1500 rpm ࡢሙྜࡣ 3 ᮏ୰ 1 ᮏࡀ࢔࣑ࣝࢽ࣒࢘ẕᮦ◚᩿࡛㸪ṧࡾࡢ 2 ᮏࡣ᥋ྜ⏺㠃࡛ࡢ◚᩿࡜࡞ࡗࡓ㸬ࢶ࣮ࣝ๓㐍ゅࢆ 0r࡜ࡋࡓሙྜ࡟࠾࠸࡚ࡶ㸪ࣉ࣮ࣟࣈඛ➃ࡣ᥋ྜ⏺㠃ୗ㒊ࡢ⿬㠃ഃ࠿ࡽ 0.1 mm ࡢ⠊ᅖ࡟ࡣᒆ࠸࡚࠸࡞࠸㸬ࡋ࠿ࡋ࡞ࡀࡽ㸪ࢶ࣮ࣝࢩࣙࣝࢲࡢᚋ⦕㒊ࡢ㧗ࡉࢆᇶ‽࡜ࡋ࡚ᢲࡋ㎸ࡳ㔞ࢆỴࡵࡓࡓࡵ㸪๓㐍ゅ 3rࡢሙྜࡼࡾࡶ⣙ 0.16 mm ῝࠸఩⨨ࡲ࡛ࣉ࣮ࣟࣈഃ㠃࡜᥋ྜ⏺㠃ࡀ᥋ࡋ࡚࠸ࡓࡶࡢ࡜⪃࠼ࡽࢀࡿ㸬ࡼࡾ῝࠸఩⨨࡟࠾࠸࡚ࣉ࣮ࣟࣈഃ㠃ࡀ᥋ྜ⏺㠃࡜᥋ࡍࡿࡇ࡜࡛㸪ᨩᢾ㡿ᇦࡀᣑࡀࡾ⿬㠃ഃࡢᮍ᥋ྜ㒊ࡀᑠࡉࡃ࡞ࡗࡓࡶࡢ࡜⪃࠼ࡽࢀࡓ㸬

1 mm

1 mm

ᅗ䠎 㻯㻝㻜㻞㻜 㻛 㻭㻝㻜㻡㻜 ᥋ྜᮦ䛾᩿㠃ほᐹ䠄㻞㻜㻜㻜 㼞㼜㼙㻘 㻞㻜㻜 㼙㼙㻛㼙㼕㼚㻘 㻟㼻㻕 䠊 ᅗ䠏 㻯㻝㻜㻞㻜 㻛 㻭㻝㻜㻡㻜 ᥋ྜᮦ䛾᩿㠃ほᐹ䠄㻞㻜㻜㻜 㼞㼜㼙㻘 㻞㻜㻜 㼙㼙㻛㼙㼕㼚㻘 㻜㼻㻕 䠊

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ᅗ䠐 㻯㻝㻜㻞㻜 㻛 㻭㻝㻜㻡㻜 ᥋ྜᮦ䛾᩿㠃ほᐹ䠄㻝㻡㻜㻜 㼞㼜㼙㻘 㻞㻜㻜 㼙㼙㻛㼙㼕㼚㻘 㻟㼻㻕 䠊ᅗ䠑 㻯㻝㻜㻞㻜 㻛 㻭㻝㻜㻡㻜 ᥋ྜᮦ䛾᩿㠃ほᐹ䠄㻝㻡㻜㻜 㼞㼜㼙㻘 㻞㻜㻜 㼙㼙㻛㼙㼕㼚㻘 㻜㼻㻕 䠊⾲䠍 ᘬᙇヨ㦂∦䛾◚᩿఩⨨䠊ᅇ㌿ᩘ㻌 㻔㼞㼜㼙㻕㻌๓㐍ゅ㻌 㻟㼻㻌

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ŐčĸğùąĤ
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− 127 −

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− 128 −㞴 ⇞ᛶ࣐ࢢࢿࢩ࣒࢘ྜ㔠FSW᥋᥋ ྜᮦࡢᙉᗘಙ㢗ᛶホ౯࡜ᙉᗘᨵၿ
Ἀ⦖ᕤᴗ㧗➼ᑓ㛛ᏛᰯᶵᲔࢩࢫࢸ࣒ᕤᏛ⛉
ᨻᮌΎᏕ

 ┠ⓗ
㍺㏦ᶵჾ࡞࡝࡛ࡣ㒊ᮦࡢ㍍㔞໬ࡀ⇞㈝ྥୖ࡟኱ࡁࡃᐤ୚ࡍࡿࡇ࡜࠿ࡽ㸪஧㓟໬Ⅳ⣲᤼ฟ๐ῶࢆ┠ⓗ࡜ࡋࡓ᭦࡞ࡿ㍍㔞໬ࡀồࡵࡽࢀ࡚࠸ࡿ㸬ⴭ⪅ࡣࡇࢀࡲ࡛ࡢ୍㐃ࡢ◊✲࡛㸪㍍㔞໬ࡢᡭẁ࡜ࡋ࡚ᦶ᧿ᨩᢾ᥋ྜ
㸦FSW㸧ࡀ᭷ຠ࡛࠶ࡿ࡜⪃࠼㸪A6061㸪A2024࢔࣑ࣝࢽ࣒࢘ྜ㔠ࢆ⏝࠸࡚FSW᥋ྜᮦࢆస〇ࡋ㸪ࡑࡢᖹ㠃᭤ࡆ⑂ປ≉ᛶࡢホ౯ࢆ⾜ࡗ࡚ࡁࡓ㸬ࡲࡓ㸪᭱ᙅ㒊࡛࠶ࡿ᥋ྜ㒊ࡢᙉᗘྥୖࡢࡓࡵ࡟ࣆ࣮ࢽࣥࢢฎ⌮ࢆ㐺⏝ࡋ㸪ࡑࡢ⑂ປ≉ᛶᨵၿຠᯝࡢㄪᰝࡶేࡏ࡚⾜ࡗ࡚ࡁࡓ (1)-(5)㸬ࡉࡽ࡟㸪ᖹᡂ29ᖺᗘࡢ◊✲࡛ࡣ᭦࡞ࡿ㍍㔞໬ࡢᡭẁ࡜ࡋ࡚㸪࣐ࢢࢿࢩ࣒࢘ྜ㔠ࡢ㐺⏝ࡢྍ⬟ᛶ࡟ࡘ࠸᳨࡚ウࡋ㸪㞴⇞ᛶ࣐ࢢࢿࢩ࣒࢘ྜ㔠AZX611ᮦࡢ
FSW᥋ྜ᮲௳ㄪᰝ࡜ᇶᮏⓗ࡞⑂ປ≉ᛶࡢㄪᰝࢆ⾜ࡗࡓ (6)㸬ᮏᖺᗘࡣ᫖ᖺᗘࡢ◊✲⤖ᯝࢆ᭦࡟⢭ᰝࡋ㸪⑂ປ≉ᛶᨵၿ࡟ྥࡅࡓ◚ቯ࣓࢝ࢽࢬ࣒ࡢㄪᰝࢆ⾜ࡗࡓ㸬 ᐇ㦂᪉ἲ ౪ヨᮦ࠾ࡼࡧ)6:᥋ྜ᮲௳౪ヨᮦࡣ㸪୕༠࣐ࢸࣜ࢔ࣝ♫〇ࡢ࣐ࢢࢿࢩ࣒࢘ྜ㔠AZX611㸦ᯈཌ3mmࡢᢲฟࡲࡲᮦ㸧࡛࠶ࡿ㸬ࡇࡢ⣲
ᮦࡣ㸪AZ61ྜ㔠࡟Caࢆ1㸣ῧຍࡋ㸪Ⓨⅆ ᗘࢆ㧗ࡵࡓ㞴⇞ᛶ࣐ࢢࢿࢩ࣒࢘ྜ㔠࡛࠶ࡿ㸬໬Ꮫᡂศࢆ⾲㸯࡟♧ࡍ㸬FSW⥅ᡭᮦࡢస〇࡟ࡣ㸪ᚑ᮶ࡢ࢔࣑ࣝࢽ࣒࢘ྜ㔠ࡢ᥋ྜ࡟౑⏝ࡋ࡚࠸ࡓࢶ࣮ࣝ㸦ඛ➃ᙧ≧㸸M4ࡢ㏫
ࡡࡌ㸪㛗ࡉ㸸3mm㸪ࢩࣙࣝࢲ࣮ᚄ㸸I12mm㸧࡜ྠࡌࡶࡢࢆ౑⏝ࡋࡓ (3)-(5)㸬࡞࠾㸪ࢶ࣮ࣝࡢᦶ⪖ࢆ㜵Ṇࡍࡿࡓࡵ㸪ࣉࣛࢬ࣐❅໬ฎ⌮࡟ࡼࡿ⾲㠃ฎ⌮ࢆ᪋ࡋ࡚࠸ࡿ㸬᥋ྜ࡟ࡣỗ⏝ࡢࣇࣛ࢖ࢫ┙ࢆ౑⏝ࡋ㸪୺㍈ᅇ㌿ᩘ
1400rpm㸪๓㐍ゅ3°㸪ࢶ࣮ࣝ㏦ࡾ㏿ᗘ22mm/minࡢ᥋ྜ᮲௳࡟࡚ᐇ᪋ࡋࡓ㸬ᮏ᥋ྜ᮲௳࡛FSW᥋ྜࡋࡓ⥅ᡭ㒊ศࡢ᥋ྜ⾲㠃ࢆᅗ1(a)࡟㸪᥋ྜ᩿㠃ࢆᅗ1(b)࡟ࡑࢀࡒࢀ♧ࡍ㸬
⾲ 1 AZX611ࡢ໬Ꮫᡂศ (wt.%)
Al

Zn

Mn

Si

Fe

Cu

Ni

Ca

Mg

5.9

0.61

0.22

0.030

0.002

<0.002<0.002

1.10Bal.

(a) ᥋ྜ⾲㠃(b) ᥋ྜ᩿㠃ᅗ 1 FSW ⥅ᡭእほ㸦22mm/min㸧
 ヨ㦂∦ᙧ≧࠾ࡼࡧ⑂ປヨ㦂᮲௳ୖグࡢ᥋ྜ᮲௳࡛సᡂࡋࡓFSW⥅ᡭ࠿ࡽ㸪ᅗ2࡟♧ࡍᙧ≧ࡢ⑂ປヨ㦂∦ࢆࣇࣛ࢖ࢫຍᕤ࡟ࡼࡾసᡂࡋࡓ㸬ヨ㦂∦ࡣᖹ⾜㒊㛗ࡉ㸸13.5mm㸪ᖹ⾜㒊ᖜ㸸20mmࡢᖹ⁥ᙧ≧࡛࠶ࡾ㸪FSW⥅ᡭ࠿ࡽヨ㦂∦୰ኸ㒊ࡀ᥋ྜ⥺࡜୍⮴ࡍࡿࡼ࠺࡟᥇ྲྀࡋࡓ㸬࡞࠾㸪FSW᥋ྜ᫬ࡢࢶ࣮ࣝ㉮ᰝ⑞ࡣᛂຊ㞟୰㒊࡜࡞ࡿࡓࡵ㸪ࣇࣛ࢖ࢫຍᕤ࡟
ࡼࡾ㝖ཤࡋࡓ㸬ࣇࣛ࢖ࢫຍᕤᚋ㸪࢚࣓ࣜ⣬࡞ࡽࡧ࢔࣑ࣝࢼ◒⢏ࢆ⏝࠸ࡓࣂࣇ◊☻࡟ࡼࡗ࡚㙾㠃௙ୖࡆࡋࡓ㸬⑂ປヨ㦂ࡣ㸪ᅗ3࡟♧ࡍᮾி⾮ᶵ〇ࡢᖹ㠃᭤ࡆ⑂ປヨ㦂ᶵ (PBF30X)ࢆ⏝࠸㸪ึᮇኚ఩ไᚚ㸪⧞ࡾ㏉ࡋ㏿ᗘ
23.3Hz㸪ᛂຊẚR=-1㸪ᐊ ኱Ẽ୰ࡢ᮲௳࡛ᐇ᪋ࡋࡓ㸬࡞࠾ẚ㍑ࡢࡓࡵ㸪ẕᮦ࡟ࡘ࠸࡚ࡶྠ୍ᙧ≧ࡢヨ㦂∦ࢆ⏝ពࡋ㸪⑂ປヨ㦂ࢆ⾜ࡗࡓ㸬

ᅗ2

ヨ㦂∦ᙧ≧

ᅗ3
− 129 −

⑂ປヨ㦂ᶵ (PBF-30X)

Stress amplitude Va [MPa] ᐇ㦂⤖ᯝ࠾ࡼࡧ⪃ᐹᚓࡽࢀࡓ S-N ᭤⥺ࢆᮍฎ⌮ᮦࡢ⤖ᯝ࡜࠶ࢃࡏ࡚ᅗ 4 ࡟♧ࡍ㸬ࡲࡎ㸪୧⪅ࡢ 107 ᅇ⑂ປᙉᗘ㸦⑂ປ㝈ᗘ㸧ࢆẚ㍑ࡍ
ࡿ࡜㸪ẕᮦ㸦BM㸧࡛ࡣ⣙ 95MPa ࡛࠶ࡗࡓࡢ࡟ᑐࡋ㸪FSW ⥅ᡭᮦ࡛ࡣ⣙ 85MPa ࡜࡞ࡗࡓ㸬FSW ⥅ᡭࡢ⑂ປ㝈ᗘపୗࡣഹ࠿ 10MPa ⛬ᗘ࡛࠶ࡾ㸪ẕᮦ࡜࡯ࡰྠ➼ࡢ⥅ᡭᙉᗘࢆ᭷ࡋ࡚࠸ࡿࡇ࡜ࡀศ࠿ࡗࡓ㸬⑂ປ◚᩿఩⨨ࢆ☜ㄆࡋࡓ࡜ࡇࢁ㸪ᅗ 5 ࡟♧ࡍࡼ࠺࡟᥋ྜ୰ᚰ࠿ࡽ 2mm ⛬ᗘࡎࢀࡓ఩⨨࡜࡞ࡗ࡚࠾ࡾ㸪ᦶ᧿ᨩᢾ㡿ᇦ㸦SZ 㒊㸧ࡢቃ⏺࡜ᴫࡡ୍⮴ࡋ࡚࠸ࡓ㸬ࡓࡔࡋ㸪๓㐍ഃ㸪ᚋ㐍ഃࡢ༊ูࡣㄆࡵࡽࢀ࡞࠿ࡗࡓ㸬
150

100
BM-AZX611
FSW-AZX611

50 4
10
105
106
107
108
Number of cycles to failure N f [cycle]

ᅗ4⑂ປヨ㦂⤖ᯝ㸦S-N≉ᛶ㸧ᅗ5FSW⥅ᡭᮦࡢ⑂ປ◚᩿఩⨨

⑂ປࡁ⿣Ⓨ⏕⟠ᡤ࡜⤌⧊≉ᛶࡢ┦㛵ࢆㄪᰝࡍࡿࡓࡵ㸪ࣅࢵ࣮࢝ࢫ◳ࡉศᕸࡢ ᐃࢆᐇ᪋ࡋࡓ㸬◳ࡉ ᐃ᮲௳ࡣ㸪Ⲵ㔜0.1kgf㸪㈇Ⲵ᫬㛫15⛊࡜ࡋࡓ㸬FSWᮦࡢ㛗ᡭ᪉ྥ᩿㠃ࡢ◳ࡉศᕸࢆᅗ6࡟♧ࡍ㸬⤌⧊◳ࡉࡣ᧠ᢾ୰ᚰ௜㏆ࡀ᭱ࡶ㧗ࡃ㸪ẕᮦࡢᖹᆒ◳ࡉ㸦⣙66HV㸧࡜ẚ㍑ࡋ࡚㸪⣙73HV࡛࠶ࡗࡓ㸬ࡓࡔࡋ㸪◳ࡉࡢቑศࡣഹ࠿㸵HV࡛࠶ࡗࡓ㸬ࡲࡓ㸪ࢩࣙࣝࢲࡢᦶ᧿࡟ࡼࡿ⇕ᙳ㡪㒊࡛ࡣ㸪◳ࡉࡢኚ໬ࡀㄆࡵࡽࢀ࡞࠿ࡗࡓ㸬୍⯡ⓗ࡟FSW⥅ᡭࡢ⑂ປᙉᗘࡣ㸪⇕ᙳ㡪㒊ࡢ⤌⧊ࡢ㌾໬࡟ࡼࡗ࡚ẕᮦࡼࡾࡶపୗࡍࡿࡇ࡜ࡀከ࠸㸬ࡋ࠿ࡋ㸪㞴⇞ᛶ࣐ࢢࢿࢩ࣒࢘ྜ㔠࡛ࡣ⤌⧊ࡢ㌾໬ࡀ⏕ࡌ࡚࠾ࡽࡎ㸪⤌⧊ࡢ㌾໬ࡀ⑂ປ㝈ᗘపୗࡢせᅉ࡛ࡣ࡞࠸࡜⪃࠼ࡽࢀࡿ㸬ࡑࡇ࡛㸪᥋ྜ㒊௜㏆ࡢヲ⣽࡞⤌⧊ほᐹࢆ⾜ࡗࡓ㸬ほᐹ⤖ᯝࢆᅗ7࡟♧ࡍ㸬ẕᮦ࡜ᨩᢾ㒊ࡣ᫂░࡟༊ูࡉࢀ࡚࠾ࡾ㸪୧㒊ศࡢᖹᆒ⤖ᬗ⢏ᚄࢆㄪᰝࡋࡓ࡜ࡇࢁ㸪ᨩᢾ㒊࡛ࡣ⣙4Pm㸪ẕᮦ㒊࡛ࡣ⣙37Pm࡛࠶ࡗࡓ㸬ᨩᢾ㒊௨እࡢ⤌⧊ࡣẕᮦ࡜࡯ࡰྠ➼࡛࠶ࡾ㸪⤖ᬗ⢏ᚄࡶኚ໬ࡀ࡞
࠿ࡗࡓ㸬⤌⧊ほᐹ⤖ᯝ࠿ࡽ㸪⤌⧊◳ࡉࡢ㐪࠸ࡣ⤖ᬗ⢏ᚄ࡟౫Ꮡࡋࡓࡶࡢ࡛࠶ࡿ࡜⪃࠼ࡽࢀࡿ㸬FSWᮦࡢ⑂ປ◚᩿㒊ࡣᨩᢾ㒊࡜ẕᮦࡢቃ⏺௜㏆࡜୍⮴ࡋ࡚࠾ࡾ㸪୙㐃⥆⤌⧊ࡢᏑᅾ࡟ࡼࡗ࡚ࡁ⿣ࡀⓎ⏕ࡋࡸࡍࡃ࡞ࡿ࡜࡜ࡶ࡟⑂ປ㝈ᗘࡶపୗࡋࡓ࡜⪃࠼ࡽࢀࡿ㸬

ᅗ6

FSW⥅ᡭᮦࡢ㛗ᡭ᪉ྥ᩿㠃◳ࡉศᕸ

ᅗ7

FSW⥅ᡭ௜㏆ࡢ⤌⧊ほᐹ⤖ᯝ ⤖ㄽ㞴⇞ᛶ࣐ࢢࢿࢩ࣒࢘ྜ㔠AZX611ࢆ⏝࠸࡚㸪✺ࡁྜࢃࡏࡢᦶ᧿ᨩᢾ᥋ྜ⥅ᡭࢆసᡂࡋࡓ㸬⥅ᡭᮦࡢᖹ㠃᭤ࡆ⑂ປヨ㦂ࢆ⾜ࡗࡓ⤖ᯝ㸪⑂ປ㝈ᗘࡢపୗ㔞ࡣẕᮦ࡟ẚ࡭࡚⣙10MPa⛬ᗘ࡛࠶ࡗࡓ㸬᥋ྜ୰ᚰ㏆ഐࡢ⤌⧊ࡢ≉ᛶࢆㄪᰝࡋࡓ࡜ࡇࢁ㸪ᨩᢾ⤌⧊ࡢ⤖ᬗ⢏ᚄࡣẕᮦࡢ1/10⛬ᗘ࡛࠶ࡗࡓ㸬ࡲࡓ㸪᥋ྜ࡟ࡼࡿ⤌⧊◳ࡉࡢపୗࡣ࡯࡜ࢇ࡝ㄆࡵࡽࢀ࡞࠿ࡗࡓ㸬ཧ ⪃ᩥ⊩(1) ᨻᮌΎᏕ㸸኱㜰኱Ꮫ ᥋ྜ⛉Ꮫඹྠ฼⏝࣭ඹྠ◊✲ᣐⅬ ඹྠ◊✲ሗ࿌᭩ 2012ᖺᗘ,(2013)182-183.
(2) ᨻᮌΎᏕ㸸኱㜰኱Ꮫ ᥋ྜ⛉Ꮫඹྠ฼⏝࣭ඹྠ◊✲ᣐⅬ ඹྠ◊✲ሗ࿌᭩ 2013ᖺᗘ,(2014)168-169.
(3) ᨻᮌΎᏕ㸸኱㜰኱Ꮫ ᥋ྜ⛉Ꮫඹྠ฼⏝࣭ඹྠ◊✲ᣐⅬ ඹྠ◊✲ሗ࿌᭩ 2014ᖺᗘ,(2015)175-176.
(4) ᨻᮌΎᏕ㸸኱㜰኱Ꮫ ᥋ྜ⛉Ꮫඹྠ฼⏝࣭ඹྠ◊✲ᣐⅬ ඹྠ◊✲ሗ࿌᭩ 2015ᖺᗘ,(2016)189-190.
(5) ᨻᮌΎᏕ㸸኱㜰኱Ꮫ ᥋ྜ⛉Ꮫඹྠ฼⏝࣭ඹྠ◊✲ᣐⅬ ඹྠ◊✲ሗ࿌᭩ 2016ᖺᗘ,(2017)123-124.
(6) ᨻᮌΎᏕ㸸኱㜰኱Ꮫ ᥋ྜ⛉Ꮫඹྠ฼⏝࣭ඹྠ◊✲ᣐⅬ ඹྠ◊✲ሗ࿌᭩ 2017ᖺᗘ,(2018)111-112.

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Fig. 1 Grain boundary and phase distribution maps of (a) base metal and (b, c, d) stirzone of Fe-24%Ni-0.1%C

Fig. 2 True stress ʲ strain and hardening rate - true strain curves of (a) base metal and(b, c, d) stir zones of Fe-24%Ni-0.1%C.

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brW. 7DEOHbrW(*èçÎ!ràq"Ô(*' +.`Å

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Z`X¨ iK¥UeN¨− 138 −

Graphene/TiO2 ⣔ࢼࣀ」ྜᮦᩱࡢస〇࡜⇕㟁≉ᛶኚ᥮ホ౯   ᮾ໭኱Ꮫ኱Ꮫ㝔ᕤᏛ◊✲⛉ᮦᩱࢩࢫࢸ࣒ᕤᏛᑓᨷ ᕝᓮ ுࠊᓟᓊ๛ኴࠊ⳥ụᆂᏊࠊFajarin Rindang࠙⫼ᬒࠚ⇕㟁ᮦᩱ࡜ࡣ⇕ཬࡧ㟁Ẽ࢚ࢿࣝࢠ࣮ࢆ┦஫ኚ᥮ࡍࡿᶵ⬟ࢆᣢࡗࡓᮦᩱ࡛࠶ࡾ, ᗫ⇕ᅇ཰ࡢᡭẁ࡞࡝࡜ࡋ࡚ࡢᛂ⏝ࡀᮇᚅࡉࢀ࡚࠸ࡿ. ⇕㟁ᮦᩱࡢ୰࡛ࡶ, 㧗࠸⇕ⓗᏳᐃᛶࢆ᭷ࡍࡿ㓟໬≀ᮦᩱ࡟ὀ┠ࡀ㞟ࡲࡗ࡚࠸ࡿࡀ, TinO2n-1(n=2, 3, ͐)ࡢ⤌ᡂ࡛⾲ࡉࢀࡿ࣐ࢢࢿࣜ┦㓟໬ࢳࢱࣥࡣࡑࡢ≉Ṧ࡞⤖ᬗᵓ㐀࡟ࡼࡾࣇ࢛
ࣀࣥࢆᩓ஘ࡍࡿࡀ, ࢟ࣕࣜ࢔ࡣ࠶ࡲࡾᩓ஘ࡋ࡞࠸ࡓࡵ, ⇕㟁ᮦᩱ࡜ࡋ࡚ࡢᛂ⏝ࡀᮇᚅࡉࢀ࡚࠸ࡿ. ࡋ࠿ࡋ,༢┦ヨᩱࡢస〇࡟ࡘ࠸࡚ሗ࿌ࡣᑡ࡞ࡃ, ࡑࡢ⇕㟁≉ᛶ࡟ࡘ࠸࡚ࡶᮍࡔ⌮ゎࡀ୙༑ศ࡛࠶ࡿ. ୍᪉, ࢢࣛࣇ࢙ࣥࡣඃࢀࡓㅖ≉ᛶࢆ᭷ࡍࡿ 2 ḟඖࢩ࣮ࢺ≧ࡢࢼࣀ࣮࢝࣎ࣥᮦᩱ࡛࠶ࡾ, 」ྜᮦᩱࡢᙉ໬⣲ᮦ࡜ࡋ࡚ὀ┠ࢆ㞟ࡵ࡚࠸ࡿ. ࡇࢀࡲ࡛࡟ AZO(Al-doped ZnO)/RGO(Reduced graphene oxide)」ྜᮦᩱࡣ༢┦ヨᩱ࡜ẚ㍑ࡋ
࡚, ࡑࡢ⇕㟁≉ᛶࡀ኱ᖜ࡟ྥୖࡋࡓࡇ࡜ࡀ᫂ࡽ࠿࡟࡞ࡗ࡚࠾ࡾ, RGO ࢆ࣐ࢢࢿࣜ┦㓟໬ࢳࢱࣥ࡟」ྜࡍࡿ
ࡇ࡜࡛ྠᵝࡢຠᯝࡀᮇᚅฟ᮶ࡿ. ᮏ◊✲࡛ࡣ, Ỉ⣲㑏ඖ, SPS ↝⤖࡟ࡼࡗ࡚స〇ࡋࡓ࣐ࢢࢿࣜ┦㓟໬ࢳࢱࣥ↝⤖య, ࡑࡋ࡚ࢥࣟ࢖ࢲࣝࣉࣟࢭࢫ࡜Ỉ⣲㑏ඖ, SPS ↝⤖࡟ࡼࡗ࡚స〇ࡋࡓ RGO/࣐ࢢࢿࣜ┦㓟໬ࢳࢱࣥ」ྜᮦᩱ࡟ࡘ࠸࡚⤌⧊ほᐹ, ⇕㟁≉ᛶࡢホ౯ࢆ⾜ࡗࡓ.
࠙ᐇ㦂᪉ἲࠚỈ⣲㞺ᅖẼ୰࡛

ᗘࢆ 750~1020 Υ, ಖᣢ᫬㛫ࢆ 1~12 h ࡜᮲௳ࢆኚ໬ࡉࡏ࡚ TiO2 ࡢࣝࢳࣝ┦⢊ᮎ࡟⇕ฎ⌮ࢆ⾜࠺ࡇ࡜࡛, ࣐ࢢࢿࣜ┦㓟໬ࢳࢱࣥࡢ༢┦⢊ᮎࡀᚓࡽࢀࡿ᮲௳ࢆㄪᰝࡋࡓ. ᚓࡽࢀࡓ༢┦⢊ᮎࡣ SPS ࡟ࡼࡾ(600~750 Υ, 200MPa, 5 min)↝⤖ࡋࡓ. 」ྜᮦᩱ࡟ࡘ࠸࡚ࡣ, ࡲࡎ Modified Hummers ἲ࡟ࡼࡾࢢࣛࣇ࢓࢖ࢺࢆ㓟໬ฎ⌮ࡋ, GO(Graphene oxide)ࡀᆒ୍࡟ศᩓࡋࡓࢥࣟ࢖ࢻࢆస〇ᚋ, TiO2 ࢥࣟ࢖ࢻ࡜
GO ࢥࣟ࢖ࢻࢆ⁲ᐃ࡟ࡼࡾΰྜࡋ, GO/TiO2 ΰྜ⢊ᮎࢆㄪ〇ࡍࡿ. ࡇࡢΰྜ⢊ᮎࢆ࣐ࢢࢿࣜ┦㓟໬ࢳࢱࣥࡢ
༢┦⢊ᮎࡀస〇ྍ⬟࡞᮲௳࡛Ỉ⣲㑏ඖࡍࡿࡇ࡜࡛ GO ࡀ in-situ 㑏ඖࡉࢀ, ࡑࡋ࡚ SPS ࡟ࡼࡾ(750Υ, 200MPa,
5 min)↝⤖ࡍࡿࡇ࡜࡛ RGO/Ti9O17 」ྜᮦᩱࡀస〇ࡉࢀࡓ. ᭱ᚋ࡟, స〇ࡋࡓ↝⤖య࡟ࡘ࠸࡚ XRD ࡟ࡼࡿ┦ྠᐃ, SEM, TEM ࡟ࡼࡿ⤌⧊ほᐹ, ࣮ࣞࢨ࣮ࣇࣛࢵࢩࣗἲ, ZEM, DSC ࡟ࡼࡿ⇕㟁≉ᛶホ౯ࢆ⾜ࡗࡓ.
࠙⤖ᯝࠚGO/TiO2 ࡢΰྜ⢊ᮎ࡟(980 Υ, 1 h)ࡢ᮲௳࡛Ỉ⣲㑏ඖࢆ᪋ࡍࡇ࡜࡛, RGO/Ti9O17 ࡢ༢┦⢊ᮎࡀᚓࡽ
RGO/Ti9O17 」ྜᮦᩱࢆస〇ฟ᮶ࡓ. ヨᩱࡢ⇕㟁≉ᛶ࡟ࡘ࠸࡚, 」ྜᮦᩱࡢ ZT ࡢ್ࡣ, ඲࡚༢┦ヨᩱࡢࡶࡢࡼࡾࡶᑡࡋప࠸್ࢆ♧ࡋࡓ. 25, 50 mL ࡢ」ྜᮦᩱࡣ RGO ࡢⰋዲ࡞ศᩓࡀほᐹ࡛ࡁࡓࡶࡢࡢ,⦓ᐦᛶࡀప࠸ࡇ࡜࡛ᑟ㟁⋡ࡢ್ࡀపୗࡋࡓࡇ࡜, 75mL ࡢヨᩱࡣ⦓ᐦ໬࡛ࡁ࡚࠸ࡓࡶࡢࡢ, RGO ࡀจ㞟ࡋ, ⇕ఏᑟ⋡ࡢ್ࡀቑຍࡋࡓࡇ࡜ࡀ⌮⏤࡜ࡋ࡚⪃
࠼ࡽࢀࡿ. ࡇࡢ⤖ᯝࡼࡾ, ௒ᚋ RGO ࡀⰋዲ࡟ศᩓ

Dimensionlessfigureofmerit,ZT

ࢀ, SPS ↝⤖ࢆ⏝࠸࡚ 750 Υ࡛↝⤖ࡍࡿࡇ࡜࡟ࡼࡾ, GO ྵ᭷㔞ࡀ 25, 50, 75 mL ࡢ 3 ✀㢮࡛࠶ࡿࡋ࡚࠸ࡓ GO ྵ᭷㔞ࡀ 25 mL ࡢ」ྜᮦᩱࡢ⦓ᐦᛶࢆ
ᨵၿࡍࡿࡇ࡜࡛, 」ྜᮦᩱࡢ⇕㟁≉ᛶࡢ᭦࡞ࡿྥ

0.18
0.16
TiЎOІЌ

0.14
0.12

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0.08

50mL

0.06
0.04

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0
300

400

500

600

700

800

Temperature,T/Kୖࢆᐇ⌧ࡍࡿࡇ࡜ࡀᮇᚅࡉࢀࡿ.
            Fig. 1 ༢┦ヨᩱ, 」ྜᮦᩱࡢ ZT ࡢᗘ౫Ꮡᛶ                               (ඹྠ◊✲ศ㔝㸸」ྜ໬ᶵᵓᏛศ㔝)− 139 −

Ti-TiB 複合材料の作製と引張破壊挙動のその場観察34 '+*!&#
1. 目的āñÊ!¾ĝý.10éÐ9KX=\3ĘÕč/Ħ*0ãë%ü 0°Í<A!âØ»z3¬©10ħ1. ġ3ćÏ0*!Üč ³

1Ħa+Êk ĐĘz!½+¾x¸Ñ]0ý.10ħÊkÌ¡ÉĔÁ¶!, CFRP ,FD[~ęĦ5XRJ8S~ę
.0ģÌ¡z á *FD[Ą~Á¶ ěåFD[~ęQIWG>A rĖ TiB , Ti5Si3 3õÎ*.

ĐĘz 0āñä ģ¯.10[1]. Ē!ĦFD[~ęĕ*.1ħFD[Ą~Á¶!

ÄtÁ¶,Ħ B4C , SiC  CVRG>Aûø3Ą~ėÁ¶[2], TiC ó3uµÁ¶[3]

±Ç10ħa+e`Ħ

Ti + TiB2  2TiB … (1)¥.10 TiB 86A; uµFD[~ę(Ti-TiB)Ą~Á¶!zæª,ÊÈÞªo1Ħþ²ÿ
ª,wª ģ .Ħ½+Óç10Ą~Á¶TiB×y-FD[ Āz 

]0[4]ħ]¸ĦCVRG>Aó0Ď10* Ti-TiB Ą~Á¶!ª j10ħÀêð!, ^ËpV[ES TiB 86A;3uµ Ti-TiB Ą~Á¶  ċĢ3Ă.
2. 研究方法tåÁ¶Tiò¿(TILOP-150, ĜFDJ8SH>LY@\Bîă)TiB2 ò¿(TiB2-NF, ·ºÀęÆgîă)3ä«. Tiò¿3ù$0ĤTest sieves ċĢä$0 JIS Z 8801, çě
μm, ÃdA>W\[ăĥ3äòô, 

100 -# 53

53 ĩ 100 Mm-#100 ĩ 150 Mm Tiò¿3mä.

(Ħĩ53 Mm Tiò¿TiB2ò¿3, TXÌ1:1-#8.24:10-, D[?AH[bĚ3äÖ~ħ ¤,  Ö~ò¿350 mm ;\P[E7Aq, 1100 60 min, 10 MPa ]ď

x3´ğOVBQÚ÷(SPSĨDr. Sinter SPS-1050, ğÒÊÆgî ă)Ú÷,  50 mm Ú÷k3¥ħ(, Ìđïuà

*, Tiò¿(TILOP-45, ĜFDJ8SH>LY@\Bîă)TiB2ò¿3, TiB ½ök

1, 5, 10 vol.%0-ò¿3Ö~. 1100 60 min, 10 MPa ]ď x3

Ö~ò¿350 mm;\P[E7Aq,,  50mm Ú÷k3¥ħ¥.1Ú÷k Ti-TiBĄ~Á¶0c3XRD (SmartLab, W<>îă)-ìČħĦJIS Z 2241ęÁ¶ċĢ¸Ñ

3{Û, Fig. 4í-14B|ċĢÝ èi¢ ċĢÝ3ĉĈ. lă50 mm Ti+TiB2Ú÷k
., Z7U´ğy-/ ċĢÝ3v/t. Àêð!Ħ:\I?VN(AUTOGRAPH AG-X plus
50kN, Ôăl­ă)3ä, ē0. 5 mm/min Âf ċĢ3¹.

3. 実験結果
30 ~ 50°  0}Ú÷ØÚ÷ Ti -# Ti-TiB 10 vol%Ą~Á¶ħTi Ú÷k! TiB(201)ĠĦTiB(102)Ġ ®M\>
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5. 参考文献[1] 

, “”,   , 2008.

[2] S Gorsse, J. P Chaminade, Y Le Petitcorps, “In situ preparation of titanium base composites reinforced by TiB single
crystals using a powder metallurgy technique”, Composites Part A 29, 1229-1234, 1998.
[3] Liu G, Zhu D, Shang J-K, “Temperature dependence of fracture toughness in TiC-particulate reinforced Ti-1b6Al1b4V matrix composite”, Scripta Metall et Materialia 28(6), 729-732, 1993.
[4] A.S.Konstantinov, et al., “Ti-B-based composite materials: Properties, basic fabrication methods, and fields ofapplication”, Composites Part A 108, 79-88, 2018.
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䠄䠍䠅&17 ⿕そ䝅䝸䜹⢏Ꮚ䛸⣧ 0J ⢊ᮎ䛾ᅛ┦཯ᛂ
㻌 &17 ศᩓỈ⁐ᾮ䜢⏝䛔䛶స〇䛧䛯 &17 ⿕そ䝅䝸䜹⢏Ꮚ䛾 6(0 ほᐹ⤖ᯝ䜢 )LJ 䛻♧䛩䠊 D 䛿኱Ẽ↝ᡂᚋ䛾⢄Ẇ⏤᮶䝅䝸䜹䠄⢊○ຍᕤ๓䠅䜢⏝䛔䛯㝿䛾⢄Ẇෆ㠃ഃ䠄⋞⡿䛸᥋䛩䜛ഃ䠅䜢䠈 E 䛿⢊○ຍᕤ䜢᪋䛧䛯䝅䝸䜹⢏Ꮚ䜢⏝䛔䛯ሙྜ䛾ほᐹ⤖ᯝ䜢䛭䜜䛮䜜♧䛩䠊䛔䛪䜜䛾䝅䝸䜹⾲㠃䛻䜒 &17 䛜ᒁᡤⓗ䛻Ꮡᅾ䛩䜛䛣䛸䛺䛟䠈ᆒ୍䛻௜╔䛧䛶䛔䜛䠊䜎䛯䠈ᣑ኱䛧䛯㡿ᇦ䛻䛚䛔䛶 &17 䛿༢ศᩓ≧ែ䛷Ꮡᅾ䛧䛶䛚䜚䠈Ỉ⁐ᾮ୰䛻䛚䛡䜛&17 䛾ศᩓᙧែ䛜䝅䝸䜹⢏Ꮚ⾲㠃䛻㌿෗䛥䜜䛶䛔䜛䠊 E 䛻ぢ䜛䜘䛖䛻䠈⢊○ຍᕤᚋ䛾䝅䝸䜹⢏Ꮚ䛿 䡚䃛P ⛬ᗘ䛾⢏Ꮚᚄ䛻䜎䛷ᚤ⣽໬䛧䛯䠊䜎䛯ゅᙇ䛳䛯␗ᙧ≧䛛䜙⌫య䛻㏆䛔ᙧ≧䜈䛸ኚ໬䛧䛶䛚䜚䠈䛣䜜䜙䛾  ḟ⢏Ꮚ䛷䛒䜛䝅䝸䜹⢏Ꮚ䛾⾲㠃䛚䜘䜃ෆ㒊䛻 &17 䛜Ꮡᅾ䛩䜛䠊ḟ䛻䠈ୖグ䛾 &17 ⿕そ䝅䝸䜹⢏Ꮚ䠄⢊○ຍᕤᚋ䠅䛸⣧ 0J ⢊ᮎ䛾ᅛ┦཯ᛂᣲື䛻䛴䛔䛶ㄪᰝ䛧䛯䠊䛣䛣䛷䛿䠈୧⪅䛾ΰྜ⢊ᮎ䛻䛚䛡䜛」ྜ䝅䝸䜹⢏Ꮚ䛾ྵ᭷ẚ⋡䜢 PDVV䛸䛺䜛䜘䛖䛻㓄ྜ䛧䛯ヨᩱ䜢 '7$ ศᯒ䛻౪䛨䛯䠊䜎䛯 &17 ⿕そ䝅䝸䜹⢏Ꮚ༢య䜒ే䛫䛶ᐇ᪋䛧䛯䠊䛭䛾⤖ᯝ䜢 )LJ 䛻♧䛩䠊ඛ䛪䠈 D 䛻♧䛩 &17 ⿕そ䝅䝸䜹⢏Ꮚ༢య䛾 '7$ ᭤⥺䛻䛚䛔䛶䠈. 䜎䛷䛾⠊ᅖ䛷䛿㢧ⴭ䛺Ⓨ⇕䛚䜘䜃྾⇕⌧㇟䛿ほᐹ䛥䜜䛶䛔䛺䛔䠊(OOLQJKDP ⥺ᅗ  䛻ᇶ䛵䛝䠈. 䛻䛚䛡䜛ᶆ‽⏕ᡂ⮬⏤䜶䝛䝹䜼䞊䜢ẚ㍑䛩䜛䛸䠈&>V@2>J@䠙&2>J@ 䏓*䠙 N-PRO 2 㻌 㻌 6L>V@2>J@䠙6L2>V@ 䏓*䠙 N-PRO 2 䛸䛺䜚䠈ᮏᐇ㦂䛷ᢅ䛖 ᗘ⠊ᅖ䛻䛚䛔䛶䛿 6L2 䛜䜘䜚Ᏻᐃ䛷䛒䜛䛣䛸䛛䜙䠈⇕ຊᏛⓗ䛻䛿 &17 䛻䜘䜛䝅䝸䜹䛾㑏ඖศゎ཯ᛂ䛿㐍⾜䛧䛺䛔䛸⪃䛘䜙䜜䜛䠊୍᪉䠈 E 䛾⣧ 0J ⢊ᮎ䛸 &176L2 」ྜ⢏Ꮚ䛸䛾ΰྜయ䛷䛿 .
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䠄䠎䠅0J ᇶ↝⤖య䛾ᦶ᧿ᦾື≉ᛶ㻌 ᦶ᧿䝖䝹䜽䛛䜙ᦶ᧿ಀᩘ䠄䃛䠅䛻ኚ᥮䛧䛯㝿䛾䃛್䛾᫬㛫ኚ໬䜢 )LJ 䛻♧䛩䠊 D  E  F 䛿䛭䜜䛮䜜 &17
⿕そ䝅䝸䜹⢏Ꮚ䛾㓄ྜ⋡䜢 ZWZW䛸䛧䛯ሙྜ䛾 ᐃ⤖ᯝ䛷䛒䜛䠊䜎䛯 V ẖ䛻 ᐃ䞉ኚ᥮䛧䛯ᦶ᧿ಀᩘ䃛䛾඲䝕䞊䝍䛾ᖹᆒ್䜢䃛 䛸䛧䛶ᅗ୰䛻ే䛫䛶グ㍕䛧䛯䠊䛭䜜䛮䜜䛾⤖ᯝ䜢ẚ㍑䛩䜛䛸䠈 D 䛻♧䛩䝝䜲䝤䝸䝑䝗䝅䝸䜹⢏Ꮚ䜢 ZW㓄ྜ䛧䛯ሙྜ䛻䃛್䛿᭱䜒ኚືᖜ䛜ᑠ䛥䛟Ᏻᐃ䛧䛶䛚䜚䠈ᖹᆒᦶ᧿ಀᩘ䃛 䜒 䛸᭱ప್䜢♧䛧䛯䠊䝅䝸䜹⢏Ꮚ䛾ῧຍ㔞䛜ῶᑡ䛩䜛䛻䛴䜜䛶ᦶ᧿ಀᩘ䛾ኚືᖜ䛿ቑ኱䛧䠈䜎䛯䃛 ್䜒

− 146 −

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636 ᡂᙧࡋࡓ㖡ࢲ࢖ࣖࣔࣥࢻ」ྜᮦᩱࡢ⇕ఏᑟ⋡࡟ཬࡰࡍ࣎ࣟࣥῧຍࡢᙳ㡪ᆅ⊂ ኱㜰⏘ᴗᢏ⾡◊✲ᡤ ≀㉁࣭ᮦᩱ◊✲㒊 ◊✲ࣇ࢙࣮ࣟỈෆ ₩1㻌 㻌 ⥴ゝ㧗⇕ఏᑟᛶࢆ᭷ࡍࡿᮦᩱ࡜ࡋ࡚ࡣ㸪⌧Ꮡࡍࡿᮦᩱ୰᭱ࡶ㧗࠸⇕ఏᑟ⋡ Ȣ㸻:P. 㸪 ࢆ᭷ࡍࡿࢲ࢖ࣖࣔࣥࢻ⢏Ꮚࢆ㸪㔠ᒓࡢ୰࡛㸪㖟࡟ḟ࠸࡛㧗࠸⇕ఏᑟ⋡ Ȣ㸻:P. 㸪 ࢆ᭷ࡍࡿ㖡 &X ୰࡟ศᩓࡋࡓࢲ࢖ࣖࣔࣥࢻ⢏Ꮚศᩓᆺ㖡ᇶ」ྜᮦᩱࡢᡂᙧ౛ࡀከᩘሗ࿌ࡉࢀ࡚࠸ࡿ  㸬ణࡋ㸪&X ࡜ࢲ࢖ࣖࣔࣥࢻࡣ⃿ࢀᛶࡀᝏ࠸ࡓࡵ㸪ࡑࡢࡲࡲ」ྜ໬ࡋ࡚ࡶ &X࣐ࢺࣜࢵࢡࢫ࡜ࢲ࢖ࣖࣔࣥࢻ⢏Ꮚࡢ⏺㠃࡟኱ࡁ࡞᥋ゐ⇕᢬ᢠࢆ⏕ࡌ㸪㧗⇕ఏᑟ⋡ࡀᚓࡽࢀ࡟ࡃ࠸㸬ࡑࡇ࡛㸪࣐ࢺࣜࢵࢡ
ࢫ࡜ࡋ࡚⣧㖡࡛ࡣ࡞ࡃࠊ⣧㖡࡟㸪Ⅳ⣲࡜ࡢぶ࿴ᛶࡢᙉ࠸࣎ࣟࣥ % ࢆῧຍࡋࡓ &X% ྜ㔠ࢆ⏝࠸㸪ᡂᙧ୰࡟ &Xࢲ࢖ࣖࣔ
ࣥࢻ࣐ࢺࣜࢵࢡࢫ⏺㠃࡟࣎ࣟࣥⅣ໬≀ࢆ LQVLWX ⏕ᡂࡏࡋࡵ㸪&Xࢲ࢖ࣖࣔࣥࢻ࣐ࢺࣜࢵࢡࢫ⏺㠃ࡢᐦ╔ᛶࢆᨵၿࡍࡿ
ࡇ࡜࡟ࡼࡾ㧗⇕ఏᑟ⋡ࢆᚓࡓ౛ࡀ᭱㏆࠸ࡃࡘ࠿ሗ࿌ࡉࢀ࡚࠸ࡿ  㸬ᡂᙧ᪉ἲ࡜ࡋ࡚ࡣࠊ&X% ࢖ࣥࢦࢵࢺࢆ⏝࠸ࡿ⁐⼥ྵᾐἲ࡜ &X% ࢔ࢺ࣐࢖ࢬ⢊ᮎࢆ⏝࠸ࡿ⢊ᮎ෬㔠ἲࡀᥦ᱌ࡉࢀ࡚࠸ࡿ㸬ࡋ࠿ࡋ࡞ࡀࡽ⁐⼥ྵᾐἲࡢሙྜ㸪⣧㖡ࡢ⼥Ⅼ
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⢊ᮎ࡜ࡋ࡚⏝࠸ࡿሙྜ㸪ᕷ㈍ࡢ⢊ᮎ࡛࡞࠸ࡓࡵ㸪ࡑࡢ‽ഛ࡟㧗ࢥࢫࢺ࡜㛗᫬㛫ࢆ᭷ࡍࡿ㸬ࡑࡇ࡛ᡃࠎࡣ㸪ࢲ࢖ࣖࣔࣥࢻ
⢊ᮎ࡜⣧ &X ⢊ᮎ࡟ຍ࠼㸪⣧ % ⢊ᮎࢆ➨  ῧຍඖ⣲⢊ᮎ࡜ࡋ࡚㑅ᢥࡋ㸪ࡑࢀࡽࡢ  ✀ΰྜ⢊ᮎࢆᨺ㟁ࣉࣛࢬ࣐↝⤖ἲ
636  ࡟ࡼࡾప ࣭▷᫬㛫࡛ᡂᙧࡍࡿࡇ࡜࡟ࡼࡾ」ྜ໬ࢆヨࡳࡓ㸬2  ᐇ㦂᪉ἲ
ฟⓎᮦᩱ࡜ࡋ࡚ࡣ㸪㟼Ỉᅽྜᡂࢲ࢖ࣖࣔࣥࢻ⢊ᮎ ᖹᆒ⢏Ꮚᚄ ȣP ࢆ඘ሸᮦ࡜ࡋ࡚⏝࠸ࡓ㸬ࡲࡓ㸪࣐ࢺࣜࢵࢡࢫ
⏝ࡢฟⓎᮦᩱ࡜ࡋ࡚ࡣ㸪࢔ࢺ࣐࢖ࢬ &X ⢊ᮎ 㸫ȣP 㸪ཬࡧ㸪࣎ࣟࣥ % ⢊ᮎ 㸣㸪㸫ȣP ࢆ⏝࠸ࡓ⏝࠸ࡓ⣲⢊ᮎࡢእほࡢ 6(0 ෗┿ࢆ )LJ㸬 ࡟♧ࡍ㸬⢏Ꮚᙧ≧ࡣ㸪ࢲ࢖ࣖࣔࣥࢻ⢊ᮎ࡜ % ⢊ᮎࡀሢ≧࡛࠶ࡾ㸪&X ⢊ᮎࡣᾦ⁲≧࡛࠶ࡗࡓ㸬࡞࠾ % ⢊ᮎࡣ㸪බ⛠ࡢ⢏ᗘࡣ &X ⢊ᮎ࡜ྠࡌȣP ࡛࠶ࡿࡀ㸪&X ⢊ᮎ࡜ẚ㍑ࡋ࡚ᗈ࠸⢏ᗘศᕸࢆ᭷ࡋ㸪ࢧࣈ࣑ࢡࣟࣥࢧ
࢖ࢬࡢᚤ⢊ࢆከࡃྵࢇ࡛࠸ࡓ㸬 ヨᩱస〇ࡣ௨ୗࡢ᪉ἲ࡟ࡼࡾ⾜ࡗࡓ㸬ࡲࡎ㸪&X ⢊ᮎ࡟ᑐࡋ࡚ % ⢊ᮎࢆ㸪య✚ẚ࡛ 㸸a㸸 ࡢ๭ྜ࡛ΰ
ྜࡋ㸪ࡉࡽ࡟㸪ࡇࡢΰྜ⢊ᮎ࡜ࢲ࢖ࣖࣔࣥࢻ⢊ᮎࢆ㸪ࢲ࢖ࣖࣔࣥࢻయ✚ศ⋡ࡀ඲యࡢ YRO࡜࡞ࡿࡼ࠺࡞㓄ྜẚ࡛ΰྜࡋࡓ㸬ΰྜࡢ㝿࡟ࡣ㸪ྛ⢊ᮎࡢᐦᗘᕪ࡟ࡼࡿ೫ࡾࢆ㜵Ṇࡍࡿࡓࡵ࡟ᑡ㔞ࡢ࢚ࢱࣀ࣮ࣝࢆῧຍࡋࡓ㸬ࡇࡢΰྜయࢆ㸪)LJ㸬 ࡟♧ࡍࡼ࠺࡟㸪ࢲ࢖ࢭࢵࢺ୰࡟඘ሸࡋ㸪3D ࡢ┿✵୰࡛㸪ᐊ 㹼. ࡲ࡛᪼ ㏿ᗘ .V ࡛ຍ⇕ࡋ㸪. ࡛ Vಖᣢࡍࡿࡇ࡜࡟ࡼࡾ 636 ᡂᙧࡋ㸪┤ᚄ PPཌࡉ⣙ PP ࡢࢹ࢕ࢫࢡ≧ヨᩱࢆస〇ࡋࡓ㸬௒ᅇࡣࡇࢀ࡟ຍ࠼࡚㸪᭤ࡆ
ヨ㦂࡟ࡼࡿᶵᲔⓗᛶ㉁ࡢホ౯⏝࡟㸪ᖜ  ੈཌࡉ  ੈ㛗ࡉ  ੈࡢᯈ≧ヨᩱࡶྜࢃࡏ࡚స〇ࡋࡓ㸬ᡂᙧ୰ࡢຍᅽຊࡣ
03D ࡜ࡋࡓ㸬స〇ࡉࢀࡓヨᩱ࡟ࡘ࠸࡚ࡣ㸪┦ᑐᐦᗘࡢ ᐃ㸪; ⥺ᅇᢡ 5LJDNX5,17 ࡟ࡼࡿ⏕ᡂ┦ࡢྠᐃ㸪
6(0 -60/$ ࡟ࡼࡿ⤌⧊ほᐹ㸪ཬࡧ㸪࣮ࣞࢨ࣮ࣇࣛࢵࢩࣗἲ 1(7=6&+/)$ ࡟ࡼࡿ⇕ఏᑟ⋡ࡢ ᐃࢆ⾜ࡗࡓ㸬3  ⤖ᯝ࠾ࡼࡧ⪃ᐹ ࢲ࢖ࣖࣔࣥࢻ⢏Ꮚయ✚ศ⋡࡜」ྜᮦᩱࡢ┦ᑐᐦᗘ࡜ࡢ㛵ಀ 636 ᡂᙧࡋࡓ &Xࢲ࢖ࣖࣔࣥࢻ」ྜᮦᩱࡢ┦ᑐᐦᗘࡢࢲ࢖ࣖࣔࣥࢻ⢏Ꮚయ✚ศ⋡࡜ࡢ㛵ಀࢆ )LJ㸬 ࡟♧ࡍ% ࢆྵ᭷ࡋ࡞࠸ &XYROࢲ࢖ࣖࣔࣥࢻ」ྜᮦᩱࡢ┦ᑐᐦᗘࡣ 㸣࡛࠶ࡗࡓ㸬% ࢆῧຍࡍࡿ࡜」ྜᮦᩱࡢ┦ᑐᐦᗘࡣࡸࡸቑ
ຍࡋ㸪% ῧຍ㔞 㹼YROࡢ⠊ᅖ࡛㸪㹼YROࡢ┦ᑐᐦᗘࡀᚓࡽࢀࡿ㸬ࡇࡢ┦ᑐᐦᗘࡢቑຍࡣ㸪)LJ㸬 ࡟♧ࡋࡓࡼ࠺࡟㸪% ⢊ᮎࡀᗈ࠸⢏ᗘศᕸࢆ♧ࡋ㸪ከ㔞ࡢࢧࣈ࣑ࢡࣟࣥࢧ࢖ࢬࡢ⢊ᮎࢆྵࡴࡇ࡜ࡀせᅉࡢ୍ࡘ࡜⪃࠼ࡽࢀࡿ㸬ణࡋ㸪% ῧຍ㔞 㹼YROࡢ⠊ᅖ࡛㸪% ῧຍ㔞ࡢቑ኱࡟ࡼࡾ┦ᑐᐦᗘࡀቑຍࡍࡿഴྥࡣㄆࡵࡽࢀ࡞࠿ࡗࡓ㸬ࡇࢀࡣ㸪% ࡢ⼥Ⅼ 7P㸻. ࡀ &X ࡢ⼥Ⅼ 7P . ࡜ẚ㍑ࡋ࡚ᴟ➃࡟㧗ࡃ㸪. ࡛ࡢ 636 ᡂᙧ୰࡟࠾ࡅࡿ % ⢊ᮎ⢏Ꮚ⮬యࡢረᛶኚᙧࡀ࡯࡜ࢇ࡝ᮇᚅ࡛ࡁ࡞࠸ࡇ࡜ࡀ୍ᅉ࡜⪃࠼ࡽࢀࡿ㸬࡞࠾㸪๓ሗ 㸧ࡢ 636 ᡂᙧࡋࡓ $Oࢲ࢖ࣖࣔࣥࢻ」ྜᮦᩱ
࡛ࡣ㸪$OYROࢲ࢖ࣖࣔࣥࢻ」ྜᮦᩱ࡟ᑐࡋ࡚ 㸣௨ୖࡢ┦ᑐᐦᗘࡀᚓࡽࢀ࡚࠸ࡿࡀ㸪ࡇࡢሙྜࡢᡂᙧࡣ $O ࣐ࢺࣜࢵࢡࢫࡢᅛᾮඹᏑ≧ែ࡛⾜ࢃࢀ࡚࠸ࡿ㸬୍᪉㸪௒ᅇࡢ &X%ࢲ࢖ࣖࣔࣥࢻ」ྜᮦᩱࡣ࣐ࢺࣜࢵࢡࢫ⢊ᮎࡢᅛ┦≧ែ࡛ࡢ 636 ᡂᙧ࡛࠶ࡿࡓࡵ㸪$Oࢲ࢖ࣖࣔࣥࢻ⣔࡯࡝࡟ࡣ㧗࠸┦ᑐᐦᗘࡀᚓࡽࢀ࡞࠿ࡗࡓࡶࡢ࡜⪃࠼ࡽࢀࡿ㸬&X%ࢲ࢖ࣖࣔ
ࣥࢻ」ྜᮦᩱࡢ┦ᑐᐦᗘࡢྥୖ࡟ࡣ㸪ࡼࡾ㧗 ࣭㧗ᅽ࡛ࡢᡂᙧࡸ㸪ᡂᙧ୰࡟ప⼥Ⅼ໬ྜ≀ࢆ⏕ᡂࡍࡿ➨  ඖ⣲ࡢῧຍ࡞࡝㸪ࣉࣟࢭࢩࣥࢢ᮲௳ࡢࡉࡽ࡞ࡿ᭱㐺໬ࡀᚲせ࡜⪃࠼ࡽࢀࡿ㸬 ⤌⧊࡜⏕ᡂ┦
1− 148 −

 &XYRO㸣% YROࢲ࢖ࣖࣔࣥࢻ」ྜᮦᩱࡢ 6(0 ࡟ࡼࡿ⤌⧊ほᐹ⤖ᯝࢆ )LJ㸬 ࡟♧ࡍ㸬)LJ㸬 D ࡟♧ࡍࡼ࠺࡟ࠊ㯮Ⰽࡢࢲ࢖ࣖࣔࣥࢻ⢏Ꮚࡀῐ⅊Ⰽࡢ &X ࣐ࢺࣜࢵࢡࢫ୰࡟ศᩓࡋࡓ⤌⧊ࢆ࿊ࡋ࡚࠸ࡿ㸬)LJ㸬 E ࡟ &Xࢲ࢖ࣖࣔࣥ
ࢻ⏺㠃㏆ഐࡢ෗┿ࢆ♧ࡍ㸬6(0 ほᐹࡢ⠊ᅖෆ࡛ࡣ㸪&Xࢲ࢖ࣖࣔࣥࢻ⏺㠃཯ᛂᒙࡢᏑᅾࡣㄆࡵࡽࢀ࡞࠿ࡗࡓ㸬&X ࣐ࢺࣜࢵࢡࢫ୰࡟ࡣ┤ᚄ㹼ȣP ࡢ⃰⅊Ⰽࡢ⢏Ꮚࡢศᩓࡀㄆࡵࡽࢀࡿ㸬ᐊ ࡛ࡢ&X ୰࡬ࡢ% ࡢᅛ⁐㔞ࡀYRO DW࡛࠶ࡿࡢ࡟ᑐࡋ 㸪)LJ㸬 ࡟♧ࡍヨᩱࡢ࣐ࢺࣜࢵࢡࢫ୰࡬ࡢ % ῧຍ㔞ࡀ YRO࡛࠶ࡿࡇ࡜࠿ࡽ㸪% ⢏Ꮚࡀ &X ࣐ࢺࣜࢵࢡࢫ୰࡟ᚤ⣽ศᩓࡋ࡚࠸ࡿྍ⬟ᛶࡀᙉ࠸ࡀ㸪௒ᅇࡢ 6(0 ࡟ࡼࡿඖ⣲ศᯒ࡛ࡣ㸪&X ࣐ࢺࣜࢵࢡࢫ୰ࡢᚤ⣽ᯒฟ≀ࡀ %࡛࠶ࡿ࡜ࡣ᩿ᐃ࡛ࡁ࡞࠿ࡗࡓ㸬('6 ➼ࢆ⏝࠸ࡓヲ⣽࡞ศᯒࡀᚲせ࡜ᛮࢃࢀࡿ㸬 )LJ㸬 ࡟㸪 &XYRO㸣% YROࢲ࢖ࣖࣔࣥࢻ」ྜᮦᩱ࡟ᑐࡍࡿ ; ⥺ᅇᢡ⤖ᯝࢆ♧ࡍ㸬&X ࡜ࢲ࢖ࣖࣔࣥࢻࡢ  ✀㢮ࡢ᫂░࡞ࣆ࣮ࢡࡀㄆࡵࡽࢀࡓ㸬ࡋ࠿ࡋ࡞ࡀࡽ㸪% ࡢࣆ࣮ࢡࡣㄆࡵࡽࢀ࡞࠿ࡗࡓ㸬ࡇࢀࡣ㸪% ⢊ᮎࡢ⤖ᬗᛶࡢၥ㢟ࡸࠊ%ῧຍ㔞ࡀ &X ࡟ᑐࡋ࡚ YRO PDVV ࡛࠶ࡾ㸪」ྜᮦᩱ඲య࡜ࡋ࡚ࡣ YRO PDVV ࡜ᑡ࡞࠿ࡗࡓࡇ࡜➼࡟㉳ᅉࡍࡿࡶࡢ࡜⪃࠼ࡽࢀࡿ㸬 ࡲࡓ㸪6(0 ほᐹࡢࡳ࡞ࡽࡎ㸪; ⥺ᅇᢡ࠿ࡽࡶ㸪&Xࢲ࢖ࣖࣔࣥࢻ⏺㠃཯ᛂᒙࡢᏑᅾࡣ☜ㄆ࡛ࡁ࡞࠿ࡗࡓ㸬ࡋ࠿ࡋ࡞ࡀࡽ㸪ࢼࣀࢧ࢖ࢬࡢ཯ᛂ⏕ᡂ≀ࡀ &Xࢲ࢖ࣖࣔࣥࢻ⏺㠃࡟ᚤ㔞࡟⏕ᡂࡋ࡚࠸ࡿሙྜ㸪6(0 ほᐹࡸ ; ⥺ᅇᢡ࡛ࡣ࡜ࡽ࠼࡟ࡃ࠸࡜
ᛮࢃࢀࡿ㸬ࡋࡓࡀࡗ࡚㸪཯ᛂ⏕ᡂ≀ࡢᏑᅾࡢ☜ㄆ࡟ࡣ㸪ศᯒ㟁㢧ἲ㸦67(0(';㸧ࢆ⏝࠸ࡓヲ⣽࡞ほᐹࡀᚲせ࡜⪃࠼ࡽࢀࡿ㸬 ⇕ఏᑟ⋡
 &X ୰ࡢ % ྵ᭷㔞࡜㸬&XYROࢲ࢖ࣖࣔࣥࢻ」ྜᮦᩱࡢ⇕ఏᑟ⋡࡜ࡢ㛵ಀࢆ )LJ ࡟♧ࡍ% ࢆྵ᭷ࡋ࡞࠸
&XYROࢲ࢖ࣖࣔࣥࢻ」ྜᮦᩱࡢ⇕ఏᑟ⋡ࡣ :P. ࡛࠶ࡾ㸪㧗⇕ఏᑟ⋡ Ȣ㸻:P. 㸪 ࢆ᭷ࡍࡿࢲ࢖ࣖࣔࣥࢻ⢏Ꮚࢆ YROྵࡴ࡟ࡶ࠿࠿ࢃࡽࡎ㸪」ྜᮦᩱࡢ⇕ఏᑟ⋡ࡣ &X ࣐ࢺࣜࢵࢡࢫࡢ⇕ఏᑟ⋡ Ȣ㸻:P. 㸪 ࡉ࠼ࡶୗᅇ
ࡗࡓࠋࡋ࠿ࡋ࡞ࡀࡽ㸪&X ୰࡟ % ⢊ᮎࢆῧຍࡋ࡚ 636 ᡂᙧࡍࡿࡇ࡜࡟ࡼࡾ኱ᖜ࡞⇕ఏᑟ⋡ࡢྥୖࡀぢࡽࢀ㸪&X ⢊ᮎ࡟ᑐࡍ ࡿ % ⢊ ᮎῧ ຍ㔞 aYRO ࡢ ⠊ᅖ ࡛ࡣ㸪 % ῧ ຍ㔞ࡢቑຍ ࡜ඹ࡟」ྜ ᮦᩱࡢ⇕ఏ ᑟ⋡ࡣྥୖ ࡋ 㸪&XYRO% YROࢲ࢖ࣖࣔࣥࢻ」ྜᮦᩱ࡟࠾࠸࡚㸪᭱㧗ࡢ⇕ఏᑟ⋡࡛࠶ࡿ :P. ࡀᚓࡽࢀࡓ㸬% ῧຍ㔞ࡀ
YROࢆ㉸࠼ࡿ࡜」ྜᮦᩱࡢ⇕ఏᑟ⋡ࡣ % ῧຍ㔞ࡢቑຍ࡜ඹ࡟ࡸࡸῶᑡࡍࡿࡀ㸪 &XYRO% YROࢲ࢖ࣖࣔ
ࣥࢻ」ྜᮦᩱ࡟࠾࠸࡚ࡶ :P. ࡢ⇕ఏᑟ⋡ࡀᚓࡽࢀ㸪% ῧຍ㔞 aYROࡢ⠊ᅖ࡟࠾࠸࡚㸪a:P. ࡢ㧗⇕ఏᑟ⋡ࡀ⥔ᣢࡉࢀࡓ㸬% ῧຍ࡟ࡼࡾ &Xࢲ࢖ࣖࣔࣥࢻ」ྜᮦᩱࡢ⇕ఏᑟ⋡ࡀ኱ᖜ࡟ྥୖࡍࡿ⌮⏤ࢆ᫂ࡽ࠿࡟ࡍࡿࡓࡵ࡟㸪&X ࡢ⇕ఏᑟ⋡࡜ %ῧຍ㔞ࡢ㛵ಀࡶྜࢃࡏ࡚ㄪ࡭ࡓ㸬ࡑࡢ⤖ᯝࢆ )LJ ࡟♧ࡍ㸬&X ࡢ⇕ఏᑟ⋡ࡣ㸪% ῧຍ㔞 aYROࡢ⠊ᅖ࡛ࡣ㸪% ῧຍ㔞ࡢቑຍ࡜ඹ࡟༢ㄪ࡟ῶᑡࡍࡿ㸬ࡋࡓࡀࡗ࡚㸪)LJ㸬 ཬࡧ )LJ㸬 ࡢ⤖ᯝ࠿ࡽ㸪&Xࢲ࢖ࣖࣔࣥࢻ」ྜᮦᩱࡢ % ῧຍ࡟ࡼࡿ⇕ఏᑟ⋡ࡢྥୖࡣ㸪&Xࢲ࢖ࣖࣔࣥࢻ⏺㠃ࡢᐦ╔ᛶࡢᨵၿ࡟ࡼࡗ࡚ࡶࡓࡽࡉࢀࡓྍ⬟ᛶࡀ኱ࡁ࠸࡜⪃࠼ࡽࢀࡿ㸬% ῧຍ㔞 aYROࡢ⠊ᅖ࡛ࡢ &Xࢲ࢖ࣖࣔࣥࢻ」ྜᮦᩱࡢ⇕ఏᑟ⋡ࡢቑῶ࡟ࡘ࠸࡚ࡣ㸪% ῧຍ࡟ࡼࡿ &Xࢲ࢖ࣖࣔࣥࢻ⏺㠃ᐦ╔ᛶࡢᨵၿࡢຠᯝ࡜㸪&X ࡜ẚ㍑ࡋ࡚ప࠸⇕ఏᑟ⋡ Ȣ㸻:P. 㸪 ࢆ᭷ࡍࡿ % ࡢῧຍ࡟ࡼࡿ &X ࣐ࢺࣜࢵࢡࢫࡢ⇕ఏᑟ⋡ࡢపୗ࡜ࡢවࡡྜ࠸ࡢ⤖ᯝ࡜ᛮࢃࢀࡿ㸬」ྜᮦᩱࡢ⇕ఏᑟ⋡ࢆィ⟬ࡍࡿ⌮ㄽᘧ࡟㛵ࡋ࡚ࡣࠊ+DVVHOPDQ-RKQVRQ ࡢ⌮ㄽᘧࡀᥦ᱌ࡉࢀ࡚࠸ࡿ㸬௒ᅇᚓࡽࢀࡓ
&Xࢲ࢖ࣖࣔࣥࢻ」ྜᮦᩱࡢ⇕ఏᑟ⋡ࡢᐇ ್࠿ࡽ㸪+DVVHOPDQ-RKQVRQ ࡢᘧࢆ⏝࠸࡚㸪&X ࣐ࢺࣜࢵࢡࢫࢲ࢖ࣖࣔࣥࢻ
⢏Ꮚ⏺㠃ࡢ⇕ఏ㐩ಀᩘ KF ࢆồࡵࡓ㸬ࡑࡢ⤖ᯝࢆ )LJ㸬 ࡟♧ࡍ㸬% ࢆྵ᭷ࡋ࡞࠸ &Xࢲ࢖ࣖࣔࣥࢻ」ྜᮦᩱ࡛ࡣ㸪KF ࡢ್ࡣ  ࡛࠶ࡗࡓ㸬ࡋ࠿ࡋ࡞ࡀࡽ㸪% ῧຍ࡟ࡼࡾ &Xࢲ࢖ࣖࣔࣥࢻ」ྜᮦᩱࡢ KF ࡣⴭࡋࡃቑ኱ࡋ㸪&XYRO% YROࢲ࢖ࣖࣔࣥࢻ」ྜᮦᩱ࡟࠾࠸࡚ KF㸻 ࡀ㸪ࡲࡓ㸪 &XYRO% YROࢲ࢖ࣖࣔࣥ
ࢻ」ྜᮦᩱ࡟࠾࠸࡚ࡶ KF㸻 ࡀᚓࡽࢀ㸪+DVVHOPDQ-RKQVRQ ࡢᘧ  ࢆ⏝࠸ࡓィ⟬⤖ᯝ࠿ࡽࡶ㸪% ῧຍ࡟క࠺ &Xࢲ࢖ࣖࣔࣥࢻ⏺㠃ࡢᐦ╔ᛶࡢᨵၿࡀ♧၀ࡉࢀࡓ㸬  ᶵᲔⓗᛶ㉁
 ๓㏙ࡢࡼ࠺࡟㸪+DVVHOPDQ-RKQVRQ ࡢᘧ  ࢆ⏝࠸ࡓィ⟬⤖ᯝ࠿ࡽ㸪% ῧຍ࡟ࡼࡿ &Xࢲ࢖ࣖࣔࣥࢻ」ྜᮦᩱࡢ &Xࢲ࢖ࣖࣔࣥࢻ⏺㠃⇕ఏ㐩ಀᩘ KF ࡢቑ኱ࡀㄆࡵࡽࢀ࡚࠸ࡿࡀ㸪ཝᐦ࡟ࡣ㸪+DVVHOPDQ-RKQVRQ ࡢᘧ  ࡟࠾ࡅࡿ KF ࡢ್ࡣ㸪⏺㠃ᐦ╔ᛶࡢⰋྰࡢせ⣲࡜」ྜᮦᩱෆ࡟ᏑᅾࡍࡿẼᏍࡢ㔞ࡢせ⣲ࡢ  ࡘࢆྵࢇ࡛࠸ࡿ㸬ࡑࡇ࡛㸪&X ࣐ࢺࣜࢵࢡࢫ࡟ᑐ
ࡍࡿ % ῧຍࡀ㸪&Xࢲ࢖ࣖࣔࣥࢻ⏺㠃࡟ᐦ╔ᛶ࡟ཬࡰࡍᙳ㡪ࢆࡉࡽ࡟ヲ⣽࡟᳨ウࡍࡿࡓࡵ࡟㸪」ྜᮦᩱࡢ᭤ࡆヨ㦂ࢆ⾜ࡗࡓ㸬&X ࡢ᭤ࡆᙉᗘࢆ )LJ ࡟㸪&Xࢲ࢖ࣖࣔࣥࢻ」ྜᮦᩱࡢ᭤ࡆᙉᗘࢆ )LJ㸬 ࡟ࡑࢀࡒࢀ♧ࡍ㸬)LJ㸬 ࡟♧ࡍࡼ
࠺࡟ &X ࡢሙྜ㸪% ↓ῧຍ࡛ࡢ᭤ࡆᙉᗘࡣ 03D ࡛࠶ࡿࡀ㸪% ࢆ YROῧຍࡍࡿࡇ࡜࡟ࡼࡾ 㸣ྥୖࡋ㸪03D ࡢ᭤ࡆᙉᗘࡀᚓࡽࢀࡿ㸬ࡲࡓ㸪% ࢆ YROῧຍࡋࡓሙྜࡶ⣧ &X ࡼࡾ 㸣ྥୖࡋ㸪03D ࡢ᭤ࡆᙉᗘࡀᚓࡽࢀࡿ㸬୍᪉ )LJ㸬 ࡟♧ࡍࡼ࠺࡟㸪&XYROࢲ࢖ࣖࣔࣥࢻ」ྜᮦᩱࡢሙྜ㸪% ↓ῧຍࡢሙྜࡢ᭤ࡆᙉᗘࡣ 03D ࡛࠶ࡀ㸪% ࢆ− 149 −YROῧຍࡍࡿࡇ࡜࡟ࡼࡾ 㸣ྥୖࡋ㸪03D ࡢ᭤ࡆᙉᗘࡀᚓࡽࢀࡿ㸬ࡲࡓ㸪% ࢆ YROῧຍࡋࡓሙྜࡶ % ↓ῧຍࡢሙྜ࡜ẚ㍑ࡋ࡚ 㸣ྥୖࡋ㸪03D ࡢ᭤ࡆᙉᗘࡀᚓࡽࢀࡿ㸬)LJ㸬 ࡢ」ྜᮦᩱࡢ % ῧຍ࡟క࠺ⴭࡋ࠸᭤ࡆᙉ
ᗘࡢྥୖࡣ㸪)LJ㸬 ࡢ &X ࣐ࢺࣜࢵࢡࢫࡢ % ῧຍ࡟క࠺᭤ࡆᙉᗘྥୖࡢᐤ୚ࡔࡅ࡛ࡣㄝ࡛᫂ࡁࡎ㸪% ῧຍ࡟క࠸ &Xࢲ࢖ࣖࣔࣥࢻ⏺㠃ࡢᐦ╔ᛶࡀྥୖࡋ࡚࠸ࡿྍ⬟ᛶࡀᙉ࠸࡜⪃࠼ࡽࢀࡿ㸬 )LJ㸬 ࡟ &Xࢲ࢖ࣖࣔࣥࢻ」ྜᮦᩱࡢ᭤ࡆ◚᩿㠃ࢆ♧ࡍ㸬% ↓ῧຍࡢ &XYROࢲ࢖ࣖࣔࣥࢻ」ྜᮦᩱࡢሙྜ㸪&X࣐ࢺࣜࢵࢡࢫ࡜ࢲ࢖ࣖࣔࣥࢻ⢏Ꮚࡢ௜╔ࡣ࡯࡜ࢇ࡝ㄆࡵࡽࢀࡎ㸪◚᩿ࡣ࡯ࡰࡍ࡭࡚ &Xࢲ࢖ࣖࣔࣥࢻ⏺㠃࡛ࡢ๤㞳࡟ࡼࡾ⏕ࡌ࡚࠸ࡿ㸬୍᪉㸪% ࢆῧຍࡋࡓ &XYROࢲ࢖ࣖࣔࣥࢻ」ྜᮦᩱࡢሙྜ㸪&X ࣐ࢺࣜࢵࢡࢫ࡜ࢲ࢖ࣖࣔࣥࢻ⢏Ꮚࡢ௜╔ࡀㄆࡵࡽࢀࡿࡼ࠺࡟࡞ࡾ㸪ࢲ࢖ࣖࣔࣥࢻ⢏Ꮚෆ࡛ࡢ◚᩿ࡶከᩘほᐹࡉࢀࡿࡼ࠺࡟࡞ࡿ㸬ࡇࢀࡽࡢࡇ࡜ࡣ㸬% ῧຍ࡟ࡼࡾ &Xࢲ࢖ࣖࣔࣥࢻ」ྜᮦᩱࡢ⏺㠃ᐦ╔ᛶࡀ኱ᖜ࡟ᨵၿࡉࢀࡓࡇ࡜ࢆ♧၀ࡋ࡚࠸ࡿ㸬࡞࠾㸪% ῧຍ࡟క࠸ &Xࢲ࢖ࣖࣔࣥࢻ⏺㠃࡟⏕ࡌ࡚࠸ࡿྍ⬟ᛶࡀᙉ࠸࡜⪃࠼ࡽࢀࡿ⏺㠃཯ᛂᒙ࡟ࡘ࠸࡚ࡣ㸪⌧≧࡛ࡣྠᐃ࡛ࡁ࡚࠸࡞࠸ࡀ㸪),% ࢆ⏝࠸ࡓⷧ∦≧ヨᩱస〇࡜㸪ศᯒ㟁㢧ἲ㸦67(0(';㸧࡟ࡼࡿほᐹ࡟ࡼࡗ࡚᫂ࡽ࠿࡟ࡍࡿィ⏬࡛࠶ࡿ㸬 ⤖   ㄽࢲ࢖ࣖࣔࣥࢻ⢊ᮎ㸪㖡 &X ⢊ᮎཬࡧ࣎ࣟࣥ % ⢊ᮎࢆฟⓎᮦᩱ࡜ࡋ࡚⏝࠸ࠊᨺ㟁ࣉࣛࢬ࣐↝⤖ἲ 636 ࡟ࡼࡾࢲ࢖ࣖࣔ
ࣥࢻ⢏Ꮚศᩓᆺ &X ᇶ」ྜᮦᩱࢆᡂᙧࡋࠊ௨ୗࡢࡇ࡜ࢆ᫂ࡽ࠿࡟ࡋࡓ㸬 ࢲ࢖ࣖࣔࣥࢻ⢊ᮎ㸪&X ⢊ᮎ㸪ཬࡧ㸪% ⢊ᮎࡢΰྜ⢊ᮎࡣ㸪636 ࡟ࡼࡾຍᅽຊ 03D㸪᪼ ㏿ᗘ .V㸪↝⤖ ᗘ
.㸪ಖᣢ᫬㛫 NV ࡢ᮲௳࡛⦓ᐦ໬࡛ࡁࡿ
 % ࢆྵ᭷ࡋ࡞࠸ &XYROࢲ࢖ࣖࣔࣥࢻ」ྜᮦᩱࡢ┦ᑐᐦᗘࡣ 㸣࡛࠶ࡗࡓ㸬% ࢆῧຍࡍࡿ࡜」ྜᮦᩱࡢ┦ᑐᐦᗘࡣࡸࡸቑຍࡋ㸪% ῧຍ㔞 㹼YROࡢ⠊ᅖ࡛㸪㹼YROࡢ┦ᑐᐦᗘࡀᚓࡽࢀࡿ㸬 6(0 ほᐹཬࡧ ; ⥺ᅇᢡ⤖ᯝ࠿ࡽࡣ㸪&Xࢲ࢖ࣖࣔࣥࢻ⏺㠃཯ᛂᒙࡢᏑᅾࡣ☜ㄆ࡛ࡁ࡞࠿ࡗࡓ㸬
 % ῧຍ࡟ࡼࡾ &Xࢲ࢖ࣖࣔࣥࢻ」ྜᮦᩱࡢ⇕ఏᑟ⋡ࡢྥୖࡀㄆࡵࡽࢀ㸪 &XaYRO㸣% YROࢲ࢖ࣖࣔࣥࢻ
」ྜᮦᩱ࡟ᑐࡋ࡚㸪a:P. ࡢ⇕ఏᑟ⋡ࡀᚓࡽࢀࡓ㸬 ᭤ࡆヨ㦂ࡢ⤖ᯝ㸪&Xࢲ࢖ࣖࣔࣥࢻ」ྜᮦᩱࡢ⏺㠃ᐦ╔ᛶࡀ % ῧຍ࡟ࡼࡾᨵၿࡉࢀࡿࡇ࡜ࡀ♧၀ࡉࢀࡓ㸬ᩥ   ⊩1)

Metals Handbook, Vol.2 - Properties and Selection: Nonferrous Alloys and Special-Purpose Mater., ASM Inter. 10th Ed.
(1990)1119-1124.
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3) J. A. Kerns, N. J. Colella, D. Makowiecki, H. L. Davidson㸸Electronic Components”, Proc. Inter. Symp. Microelectronics, (1995),
pp28-37.
4) K. Yoshida and H. Morigami㸸Microelectronics reliability, 44(2004)303-308.
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71(2007)1066-1069.
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Y. Makino: Mater. Sci. Forum, 638-642(2010)2115-2120.
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ඹྠ◊✲ศ㔝㸸 」ྜ໬ᶵᵓᏛศ㔝DiamondCu

 B

Fig. 1 SEM micrographs of as-received diamond, Cu and B powders, showing the powder morphology.

Pressure㻝㻜㻜

Pulsed current

Diamondparticle
Graphite die

Graphite die

Cu Matrix
powderRelative packing density, Dr (%)

Graphite punch

Graphite punch

㻥㻤
㻥㻢
㻥㻠
㻥㻞
㻥㻜
㻤㻤
㻤㻢
㻤㻠
㻤㻞
㻤㻜

Pressure

0

5

10

15

Volume fraction of boron in Cu matrix, Vf (%)

Diamond particle
dispersed Cu
matrixcomposite

Fig. 3 Change in relative packing density of(Cu-B)-50vol.%diamond composites fabricatedby spark plasma sintering (SPS) as a function of
the boron content in Cu matrix.

Fig. 2 Schematic illustration showing
processing of diamond particle dispersed
Cu-matrix composite by spark plasma sintering− 151 −

(a)(b)

Fig㸬4 SEM micrographs taken from (Cu-7.2vol.%B)-50vol.%diamond composite fabricated by spark plasma sintering (SPS).

35000
30000

䕿䠖Cu
䕻䠖Diamond䠖Intensity

25000
20000
15000
10000
5000
0
20

30

40

50

60

70

80

90

100

110

120

2ș
Fig. 5 X-ray diffraction pattern taken from (Cu-7.2vol.%B)-50vol.%diamond composite fabricated by spark plasma sintering (SPS),
showing two phases.
400

600
Thermal concuctivity of Cu, 䃚/(W/mK)

Thermal conductuvity䠈Ȝ/䠄W/mK䠅

700

500
400
300
200
100
0
0

5

10

15

Volume fraction of boron in Cu matrix, Vf (%)

300

200

100

0
0

5

10

15

Volume fraction of B, Vf (%)

Fig. 7 Change in the thermal conductivity of
Cu consolidated by spark plasma sintering(SPS) as a function of the boron content.

Fig. 6
Change in the thermal conductivity of(Cu-B)-50vol.%diamond composites fabricated by spark
plasma sintering (SPS) as a function of the boron content
in Cu matrix.

− 152 −

1.E+07800

1.E+06

Bending strength of Cu, ı/MPa

Boundary conductance, hc/(W/m2K)

1.E+081.E+05
1.E+04
1.E+03
1.E+02
1.E+01
1.E+000

5

10

Bending strength of Cu/diamond, ı/MPa

5

10

15

Boron content, CB (vol.%)

Fig. 9 Change in the bending strength of Cu
consolidated by spark plasma sintering (SPS) as afunction of the boron content in Cu.

250
200
150
100
50
0
10

200

0

Fig. 8 Change in the boundary conductance of(Cu-B)-50vol.%diamond composites as a functionof the boron content in Cu matrix.

5

400

0

15

Volume fraction of boron in Cu matrix, Vf (vol.%)

0

600

15

Boron content in Cu matrix, CB (vol.%)

Fig. 10
Change in the bending strength of(Cu-B)-50vol.%diamond composites fabricated byspark plasma sintering (SPS) as a function of theboron content in Cu matrix.

− 153 −

(a) Cu-50vol.%diamond(b) (Cu-7.2vol.%B)-50vol.%diamond(c) (Cu-13.8vol.%B)-50vol.%diamondFig. 11 Bending fractured surfaces of diamond particle dispersed Cu matrix composites fabricated by spark plasma sintering (SPS).
(a) Cu-50vol.%diamond composite, (b) (Cu-7.2vol.%B)-50vol.%diamond composite and (c) (Cu-13.8vol.%B) -50vol.%diamondcomposite.

− 154 −

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− 163 −

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X ⥺ Talbot ᖸ΅ィࢆ⏝࠸ࡓ఩┦ࢥࣥࢺࣛࢫࢺ X ⥺⏬ീࡣ㸪Ỉ⣲ࡸ❅⣲࡜࠸ࡗࡓ㍍ඖ⣲࡛༑ศ࡞ࢥࣥࢺࣛࢫࢺࡀ
ᚓࡽࢀ࡞࠸࡜࠸࠺㸪྾཰ࢥࣥࢺࣛࢫࢺ X ⥺⏬ീࡢḞⅬࢆඞ᭹ࡋ࠺ࡿᡭἲ࡜ࡋ࡚኱ࡁ࡞ὀ┠ࢆ㞟ࡵ࡚࠸ࡿ㸬≉࡟་⒪㛵㐃࡛ࡣ㸪Ỉ⣲㸪❅⣲➼ࡢ㍍ඖ⣲ࢆ࣓࢖ࣥ࡟ᵓᡂࡋ࡚࠸ࡿ⏕య㌾⤌⧊ࡢ⏬ീデ᩿ࡀᚲせ࡛࠶ࡿࡓࡵ㸪ᐇ⏝㠃࡛኱ࡁ࡞㛵ᚰࡀᣢࡓࢀ࡚࠸ࡿ㸬୍⯡ⓗ࡟㸪X ⥺఩┦࢖࣓࣮ࢪࣥࢢࡢゎീᗘࢆྥୖࡍࡿ࡟ࡣ㸪G2 ᱁Ꮚ࡜࿧ࡤࢀࡿᅇᢡ᱁
Ꮚࢆ㸪ࡼࡾཎᏊ␒ྕࡢ኱ࡁ࠸ඖ⣲ࢆ⏝࠸࡚㸪᭦࡟㧗࢔ࢫ࣌ࢡࢺẚ࡛ᡂᙧຍᕤࡀᚲせ࡜࡞ࡿ㸬ࡇࢀࡲ࡛ G2 ᱁Ꮚࡣ㸪Au ࡢ㟁Ẽࡵࡗࡁ࡛స〇ࡉࢀ࡚࠸ࡓࡀ㸪ᆒ୍࡟࠿ࡘ῝ࡃࡵࡗࡁࡍࡿࡓࡵ࡟㛗᫬㛫࠿࠿ࡾ㸪ࡑࢀ࡟క࠺స〇㈝ࡢ㧗㢠໬ࡀၥ㢟どࡉࢀ࡚࠸ࡓ㸬ᮏ◊✲ࢢ࣮ࣝࣉࡣࡇࡢ௦᭰࡜ࡋ࡚㸪ຍᕤࡀᐜ᫆࡞᢬ᢠຍ⇕࢖ࣥࣉࣜࣥࢺຍᕤ࡛㸪
Pd42.5Ni7.5Cu30P20 㔠ᒓ࢞ࣛࢫᅇᢡ᱁Ꮚࡢస〇ᢏ⾡ࡢ☜❧࡟ᡂຌࡋࡓ㸬ࡋ࠿ࡋᮏᡭἲ࡛స〇࡛ࡁࡿ㔠ᒓ࢞ࣛࢫᅇᢡ
᱁Ꮚࡢ᭱኱࢔ࢫ࣌ࢡࢺẚࡣ㸪᢬ᢠຍ⇕࡛ࡢ᭱኱᪼ ㏿ᗘ㸦1.67 Υ/s㸧࡛㸪ᚑ᮶ἲࡢ༙ศ௨ୗ࡛࠶ࡗࡓ㸬ࡇࡢၥ㢟ࢆゎỴࡍࡿ࡟ࡣ㸪1㸧࣮ࣞࢨ࣮ຍ⇕࡟ࡼࡗ࡚ ㏿ᗘࢆቑຍࡉࡏ㐣෭༷ᾮయ≧ែ⠊ᅖ㸦ຍᕤྍ⬟⠊ᅖ㸧ࢆᗈࡆࡿ㸪2㸧Si㗪ᆺࡢᅛᐃ᪉ἲࡢぢ┤ࡋ࡟ࡼࡗ࡚ Si 㗪ᆺࡢᗙᒅⲴ㔜ࢆྥୖࡉࡏࡿᚲせࡀ࠶ࡿ㸬ᮏ◊✲࡛ࡣ᭷㝈せ⣲ἲ㸦FEM㸧ࢆ
㏻ࡌ࡚㸪୺࡟࣮ࣞࢨ࣮ຍ⇕࢖ࣥࣉࣜࣥࢺຍᕤ࡟࠾ࡅࡿ㸪ヨᩱ ᗘศᕸ࡜඘ሸ῝ࡉኚ໬ࡢ┦஫㛵ಀࢆ᫂ࡽ࠿࡟ࡋ㸪㧗࢔ࢫ࣌ࢡࢺẚ࠿ࡘ኱㠃✚ࢆ᭷ࡍࡿ㔠ᒓ࢞ࣛࢫᅇᢡ᱁Ꮚࢆᐃ㔞ⓗ࡟స〇ࡍࡿ㸬࡞࠾ᮏሗ࿌᭩ࡣ୺࡟ 2)࡟ࡘ࠸࡚ሗ࿌
ࡍࡿ㸬㸬ࢩ࣑࣮ࣗࣞࢩࣙࣥゎᯒ
2㸬ࢩ࣑࣮ࣗࣞࢩࣙࣥゎᯒࡣ኱㜰኱Ꮫ ᥋ྜ⛉Ꮫ◊✲ᡤ᥋ྜᵓ㐀໬ゎᯒᏛศ㔝࠿ࡽᥦ౪ࡉࢀࡓ”JWRIAN-Hybrid”ࢆ⏝࠸ࡓ㸬ᩘ್ィ⟬࡟࡚ᗙᒅゎᯒࢆ⾜࠺࡜ࡁࡣ㸪ᗙᒅࢆⓎ⏕ࡉࡏࡿࡓࡵ࡟ึᮇ୙ᩚ㔞ࢆタᐃࡍࡿᚲせࡀ࠶ࡿ㸬ࡑࡇ୍࡛㐃ࡢィ⟬࡛ࡣ㸪
ࣔࢹࣝ X,Y,Z ᪉ྥࡢᗙᶆᕪࡢ᭱኱್࡟ᑐࡋ࡚ࡢ๭ྜ
H = 10-4 ࢆᣦᐃࡋ㸪௵ព᪉ྥ࡟ SINE ᭤⥺ᙧ≧࡛ึᮇ୙ᩚ㔞ࢆ௵ពࡢ᪉ྥ࡟୚࠼ࡓ㸬ࢩ࣑࣮ࣗࣞࢩࣙࣥゎᅗ 1 ࢩ࣑࣮ࣗࣞࢩࣙࣥࢆ⏝࠸ࡓᗙᒅⲴ㔜ゎᯒࡢቃ⏺᮲௳ᯒ࡟ࡼࡾồࡵࡿᗙᒅⲴ㔜ࡣ㸪ᗙᒅⓎ⏕᫬ࡢ཯ຊ࡜᩿

㸦A㸧ᶓ⛣ື
㠃✚࠿ࡽィ⟬ࡋࡓ㸬࡞࠾ゎᯒࡣᖹ㠃ࡦࡎࡳ≧ែ㸦H] = 0.0㸧࡛ᐇ᪋ࡋࡓ㸬ቃ⏺᮲௳ࡣᅗ 1 ࡟♧ࡍ㏻ࡾ㸪ᣊ᮰࡛ࡢ୧➃ᣊ᮰㸪
㸦B㸧ᶓ⛣ືᣊ᮰࡛ࡢ୍➃⮬⏤௚➃ᣊ᮰㸪㸦C㸧ᶓ⛣ື⮬⏤࡛ࡢ୧➃ᣊ᮰㸪㸦D㸧ᶓ⛣ືᣊ⮬⏤࡛ࡢ୍➃⮬⏤௚➃ᣊ᮰࡜ࡋࡓ㸬㸬ࢩ࣑࣮ࣗࣞࢩࣙࣥ⤖ᯝ࡜⪃ᐹ
3㸬
FEM ࢆ⏝࠸ࡓᗙᒅⲴ㔜ࡢゎᯒࡢಙ㢗ᛶࢆ☜ㄆࡍࡿࡓࡵ㸪ࡲࡎ JWRIAN-Hybrid ࡛ィ⟬ࡋࡓᗙᒅᛂຊ࡜࢜࢖࣮ࣛᗙ
ᒅ⌮ㄽ್ࡢẚ㍑ࢆ⾜ࡗࡓ㸬ᅗ 2 ࡟ JWRIAN-Hybrid ࡛ィ⟬ࡋࡓᗙᒅᛂຊ࡜࢜࢖࣮ࣛᗙᒅ⌮ㄽ್ࡢẚ㍑ࢆ♧ࡍ㸬ࡇࡇ࡛࣐࣮࣮࢝ࡣ JWRIAN-Hybrid ࡛ィ⟬ࡋࡓᗙᒅⲴ㔜㸪◚⥺ࡣ࢜࢖࣮ࣛࡢᘧ࡛ィ⟬ࡋࡓᗙᒅⲴ㔜࡛࠶ࡿ㸬ࡇࡢᅗ࠿ࡽ㸪JWRIAN-Hybrid ࡛ィ⟬ࡉࢀࡓᗙᒅᛂຊ್ࡣ㸪࢜࢖࣮ࣛᗙᒅ⌮ㄽ್࡜Ⰻዲ࡟୍⮴ࡋ࡚࠸ࡿࡇ࡜ࡀศ࠿ࡿࡓࡵ㸪FEM
ࢆ⏝࠸ࡓᗙᒅⲴ㔜ࡢゎᯒࡢಙ㢗ᛶࡀ᫂ࡽ࠿࡜࡞ࡗࡓ㸬ḟ࡟㸪Si 㗪ᆺࡢࢫࣜࢵࢺ᩿㠃ᙧ≧ࡢ㐪࠸࡟ࡼࡿᗙᒅⲴ㔜ࡢኚ໬ࢆࢩ࣑࣮ࣗࣞࢩࣙࣥゎᯒ࡟ࡼࡗ࡚ồࡵࡓ㸬ᅗ 3 ࡟ࡑࡢ⤖ᯝࢆ♧ࡍ㸬ࡇࡢᅗ࠿ࡽศ࠿ࡿ㏻ࡾ㸪ྎᙧ᩿㠃㛗ᰕࡢᗙᒅᛂຊࡣ▴ᙧ᩿㠃㛗ᰕ࡜ẚ࡭ప࠸ࡇ࡜ࡀุ᫂ࡋࡓ㸬ࣜࢯࢢࣛࣇ࢕࣮࡟ࡼࡿ Si 㗪ᆺࡢస〇ࢆ⾜࠺ሙྜ㸪ࣞࢪࢫࢺࡢᙧ≧࡟ࡼࡗ࡚㸪࢔ࢫ࣌ࢡࢺẚࡀቑຍࡍࡿ࡟ࡘࢀ㸪᩿㠃ࡀྎᙧ࡟࡞ࡿഴྥ࡟࡞ࡿ㸬ࡑࡢࡓࡵ㸪ᗙᒅⲴ㔜ࢆୖࡆࡿࡓࡵ࡟ࡣ㸪≉࡟ࣞࢪࢫࢺࡢᙧ≧ࢆ᳨ウࡋ࡞ࡅࢀࡤ

− 164 −


ᅗ 2 JWRIAN-Hybrid ࡛ィ⟬ࡋࡓᗙᒅᛂຊ࡜


ᅗ 3 ࢫࣜࢵࢺ᩿㠃ᙧ≧ࡢ㐪࠸࡟ࡼࡿᗙᒅⲴ㔜ࡢኚ໬㸪(a)࢜࢖࣮ࣛᗙᒅ⌮ㄽ್ࡢẚ㍑
D᩿㠃ᙧ≧ࣔࢹࣝ㸪(b) ྛࠎࡢቃ⏺᮲௳࡟ࡼࡿᗙᒅⲴ
E

ᅗ 4 Si 㗪ᆺୖ࡟⨨ࡃᮦᩱࡢ㐪࠸࡟ࡼࡿ㸪ᗙᒅⲴ㔜ࡢኚ໬㸪(a) ゎᯒࣔࢹࣝ㸪(b) ᗙᒅⲴ㔜ࡢゎᯒ⤖ᯝ࡞ࡽ࡞࠸㸬᭱ᚋ࡟㸪Si 㗪ᆺୖ࡟⨨ࡃᮦᩱࡢ㐪࠸࡟ࡼࡿ㸪ᗙᒅⲴ㔜ࡢኚ໬ࢆࢩ࣑࣮ࣗࣞࢩࣙࣥゎᯒ࡟ࡼࡗ࡚ồࡵࡓ㸬ᅗ 4 ࡟ࡑࡢ⤖ᯝࢆ♧ࡍ㸬ࡇࡢ⤖ᯝ࠿ࡽ㸪࠙㧗ࣖࣥࢢ࣭ᶓኚ఩ᣊ᮰ࠚࡣᶓ⛣ືᣊ᮰࡛ࡢ୧➃ᣊ᮰࡟┦ᙜ㸪࠙పࣖࣥࢢ࣭ᶓኚ఩ᣊ
᮰ࠚࡣᶓ⛣ືᣊ᮰࡛ࡢ୍➃⮬⏤௚➃ᣊ᮰࡟┦ᙜ㸪࠙㧗ࣖࣥࢢ࣭ᶓኚ఩⮬⏤ࠚࡣᶓ⛣ື⮬⏤࡛ࡢ୧➃ᣊ᮰࡟┦ᙜ㸪࠙పࣖࣥࢢ࣭ᶓኚ఩⮬⏤ࠚࡣᶓ⛣ືᣊ⮬⏤࡛ࡢ୍➃⮬⏤௚➃ᣊ᮰࡟┦ᙜࡍࡿࡇ࡜ࡀุ᫂ࡋࡓ㸬ࡑࡢࡓࡵ㸪ᐇ㝿࡟࢖ࣥࣉࣜࣥࢺຍᕤࢆ⾜࠺ሙྜ㸪㔠ᒓ࢞ࣛࢫࣉ࣮ࣞࢺࡀᶓࡎࢀࡏࡎ㸪࠿ࡘ㐣෭༷ᾮయ≧ែ࡛ຍᅽࡋ࡞࠸ࡇ࡜࡛㸪ᶓ⛣ືᣊ᮰࡛ࡢ୧➃ᣊ᮰࡟┦ᙜࡍࡿ≧ែ࡟࡞ࡾ㸪ᗙᒅⲴ㔜ࡀୖ᪼ࡍࡿࡇ࡜ࡀ⪃࠼ࡽࢀࡿ㸬㸬⤖ㄽ
4㸬ᮏሗ࿌᭩ࡣ㸪
㔠ᒓ࢞ࣛࢫᅇᢡ᱁Ꮚࡢ㧗࢔ࢫ࣌ࢡࢺẚ໬ࡢࡓࡵ㸪
FEMࢆ⏝࠸ࡓ࢖ࣥࣉࣜࣥࢺຍᕤࡢゎᯒࢆ㏻ࡌ࡚㸪㧗࢔ࢫ࣌ࢡࢺẚ໬ࡀぢ㎸ࡵࡽࢀࡿຍᕤ᮲௳ࢆ᫂ࡽ࠿ࡍࡿࡢࢆ┠ⓗ࡟ࡋࡓ㸬ᮏᖺᗘࡣ㸪ࢩ࣑࣮ࣗࣞࢩࣙࣥ࡟ࡼࡿ Si
㗪ᆺࡢᅛᐃ᪉ἲࡢぢ┤ࡋࢆ⾜ࡗࡓ㸬Si 㗪ᆺࡢࢫࣜࢵࢺ᩿㠃ᙧ≧࡟ࡘ࠸࡚㸪ࢫࣜࢵࢺᙧ≧ࡀྎᙧ᩿㠃㛗ᰕ࡟࡞ࡿࡇ
࡜࡛㸪ᗙᒅⲴ㔜ࡀపୗࡍࡿࡇ࡜ࡀุ᫂ࡋࡓ㸬Si 㗪ᆺࡢస〇ࢆ⾜࠺㝿㸪ࣞࢪࢫࢺࡢᙧ≧࡟ࡼࡗ࡚㸪࢔ࢫ࣌ࢡࢺẚࡀቑຍࡍࡿ࡟ࡘࢀ㸪Si 㗪ᆺࡢࢫࣜࢵࢺ᩿㠃ࡀྎᙧ࡟࡞ࡿഴྥ࡟࡞ࡿࡇ࡜࠿ࡽ㸪ᗙᒅⲴ㔜ࢆୖࡆࡿࡓࡵ࡟ࡣ㸪≉࡟ࣞࢪࢫࢺࡢᙧ≧ࢆ᳨ウࡋ࡞ࡅࢀࡤ࡞ࡽ࡞࠸ࡇ࡜ࡀศ࠿ࡿ㸬ࡲࡓ Si 㗪ᆺୖ࡟⨨ࡃᮦᩱࡢ㐪࠸࡟ࡼࡿᗙᒅⲴ㔜ࡢኚ໬࡟ࡘ࠸
࡚㸪ᮦᩱࡀ㧗ࣖࣥࢢ⋡࡛࠿ࡘᶓኚ఩ࡀ⏕ࡌ࡞࠸᫬㸪ᗙᒅⲴ㔜ࡀ᭱ࡶ㧗࠸ࡇ࡜ࡀࢩ࣑࣮ࣗࣞࢩࣙࣥ࡟ࡼࡗุ࡚᫂ࡋ
ࡓ㸬ࡑࡢࡓࡵ㸪ᐇ㝿࡟࢖ࣥࣉࣜࣥࢺຍᕤࢆ⾜࠺ሙྜ㸪㔠ᒓ࢞ࣛࢫࣉ࣮ࣞࢺࡀᶓࡎࢀࡏࡎ㸪࠿ࡘ㐣෭༷ᾮయ≧ែ࡛ຍᅽࡋ࡞࠸ࡇ࡜࡛㸪ᶓ⛣ືᣊ᮰࡛ࡢ୧➃ᣊ᮰࡟┦ᙜࡍࡿ≧ែ࡟࡞ࡾ㸪ᗙᒅⲴ㔜ࡀୖ᪼ࡍࡿࡇ࡜ࡀ⪃࠼ࡽࢀࡿ㸬㸦ඹྠ◊✲ศ㔝㸸᥋ྜᵓ㐀໬ゎᯒᏛศ㔝㸧− 165 −

tÊČ%6đíº'¶ĊIBMåýÑeÑeWe}p\Ą®¢öãĕ«ÏēªĈkiØ!'đ'íº(¤Ñ$ %$6"1 5ki9PÂ%Ĉ60%(kiØ'đíº9ĆÉ6"¤ĉ"$6Ĉki%Ĉ 476Č',":#(Î¶'z¬ċ4¸7

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z¬Č! 5ČØ!đíº6¯©đíº<;C (ċë2ċ`Å¬`ā$#Îj%ã6ĈkiĈČ!đ'íº9ßc%ĆÉ!$ U(ć$đíº<;C%
9ÝĎß%¿Ā6"'!6¶ĊIBM×7đíº'¨g$ "% 6þ}p!(đíº9=GJN=KO60'¶Õ^»l¦" ċü9àĈ6"%35kiČ'đíº9ĆÉ60'¶ĊIBM9×6"9ăß"6ûüþ}p!(øĉÄü'LVFUHWH(OHPHQW0HWKRG'(0 9àĈ'(0 ü(ĒËÐ9ą'ċ%3
 ñ""1%bĉÄg'ÆĈď9)&"@A=JFAD>L;@!ñĒËÐ'qè9ċ'
Xè%3 y6ÆĈ" (÷³Xè'ÆĈ"_áXè'ÆĈ'  ¡Đ9 6>@Ü°'ĒËÐďe%6ùwqè'^» ü"S$5ċü!(Čë'Yď"*/'hu9ÓÃ·¸
È!o0 4ċg'ÆĈď"ùQ4o0

6>@3 Á§'ăß'0%(ÆĈď'ñ%Ĉ 6bELH?)&Ý¶æ 9àZ6ðĉ 6ċüIBM"ĒËÐ'ùwqè'æ[·(Ā4!$ !  ìä(ùwqè%h6ELH?
9Ú¹6"!^»z]ĒËÐ"æ[·93 %đíº'Ăm'%ELH?9àĈ6
0 âs~9IBMZ1fÒ$^»! 6Ó·^»9
z]"´  %"5ùwqè%h6ELH?" (üÀûµu¶üÀ)&u¶½Àûµu¶½À)&u¶á5ÿu¶ 674µu¶)&Ý¶3+ÿÞ'Õ9ùZ ^»9sYď'^»z]9ĊĔÕ"ïd6"!^»Õ'ò[9.Ôāw±9ùZ^»z]%n-Ôāw±RÌ·'ò[9´ '(0 ü%36y'aĉ− 166 −´  %s~ú'ÑVÙYďº6ā'~úÛ û'Yďôó9Ôāw±%h84à¼$ELH?9¾Ý6"!sYď'^»Õ"ĊĔÕ(čTÖČ'ùwqè%h6ELH?
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࡜ࢆ┠ᶆ࡜ࡋࡓࠋࠕ1250Rࠖ㗰ࡣ㸪1250Υ࡛ 3 ᫬㛫ಖᣢᚋ⅔෭ࡋ࡚◳㉁⤌⧊ࢆ኱ࡁࡃࡍࡿࡇ࡜ࢆ┠ᶆ࡜ࡋࡓࠋ
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ࡶ㸪ࡑࡢ⤌⧊ࡢཌࡉࡀⷧ࠸ሙྜ࡟ࡣ⑂ປட⿣ࡣ⤖ᬗ⤌⧊ࢆ᩿ࡕษࡗ࡚ఏ᧛ࡋ࡚࠸ࡓࠋ

㸳㸬ཧ⪃ᩥ⊩㸯㸧㇏㈆㞞ᏹ㸸⁐᥋ᵓ㐀≀ࡢࡁ⿣೺඲ᛶホ౯㸪2015 ᖺ 12 ᭶∧㸬㸰㸧ᐑᓮ኱ᆅ㸪຾⏣㡰୍㸸780 ⣭㧗ᙇຊ㗰ᯈࡢ⑂ປட⿣ఏ᧛࡜᪂ࡋ࠸ఏ᧛ᛶ⬟ホ౯࡟ࡘ࠸࡚㸪᪥ᮏ⯪⯧ᾏὒᕤ
Ꮫ఍ㅮ₇఍ㄽᩥ㞟㸪➨ 19 ྕ㸪pp.269-270㸪(2014)㸬
㸱㸧ෆ㔝⪀ኴ㸸㗰ᮦ⤖ᬗ⤌⧊ࡢ୕ḟඖᙧ≧ࡀ⑂ປட⿣ࡢఏ᧛⤒㊰࡟ཬࡰࡍᙳ㡪࡟ࡘ࠸࡚㸪᪥ᮏ⯪⯧ᾏὒᕤᏛ
఍ㅮ₇఍ㄽᩥ㞟㸪➨ 22 ྕ㸪pp.443-446㸪(2016)㸬
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)LJ D ,VRWURSLFEHKDYLRXURIWKHIHUULWHZLWKRXWLQFOXVLRQE DQLVRWURSLFIHUULWHZLWKKDUGHUDQGVRIWHULQFOXVLRQ)LJ6XPPDU\RIWKHXQLD[LDOUHVXOWV1RUPDOL]HD[LDOVWUHVVDWWKHILUVWSODVWLFVOLS㸦ඹྠ◊✲ศ㔝㸸᥋ྜタィᏛศ㔝㸧− 178 −

ẕᮦᡴᧁࣁ࣐࣮ࣥࣆ࣮ࢽࣥࢢࡢ㧗ᙇຊ㗰࡬ࡢ㐺⏝㏆␥኱ᏛᕤᏛ㒊ᘓ⠏Ꮫ⛉ᓮ㔝 Ⰻẚ࿅ ⥴ゝ ᮏ◊✲࡛ࡣࠊ㧗ᙇຊ㗰࡛ࡢẕᮦᡴᧁ㹆㹎ࡢຠᯝࢆ᫂ࡽ࠿࡟ࡍࡿࡓࡵࡢᇶ♏ⓗ◊✲࡜ࡋ࡚ࠊ㧗ᙇຊ㗰
࡜ᬑ㏻㗰ࡢẕᮦᡴᧁ㹆㹎࡟ࡼࡿ⾲㠃ṧ␃ᛂຊࠊṧ␃ᛂຊࡢ῝ࡉ᪉ྥศᕸࡢ㐪࠸ࢆ᫂ࡽ࠿࡟ࡍࡿࠋࡉࡽ
࡟ࠊ㧗ᙇຊ㗰ᅇࡋ⁐᥋ヨ㦂యࡢ⑂ປヨ㦂࡟ࡼࡾࠊẕᮦᡴᧁ㹆㹎ࢆ㐺⏝ࡋࡓሙྜ࡜↓᪋ᕤࡢሙྜࡢ⑂ປ
ᑑ࿨ࡢẚ㍑ࢆ⾜࠺஦࡟ࡼࡾࠊ㧗ᙇຊ㗰࡟ᑐࡍࡿẕᮦᡴᧁ㹆㹎ࡢຠᯝࢆ᫂ࡽ࠿࡟ࡍࡿࠋ
ᙧ≧ኚ໬࠾ࡼࡧṧ␃ᛂຊศᕸ ౑⏝ࡋࡓ㗰ᮦࡣᬑ㏻㗰ࡀ 1PP ⣭㗰 60$ ࠊ㧗ᙇຊ㗰ࡀ  1PP ⣭ +7 ࡛࠶ࡿࠋヨ㦂యࡢ෗┿ࢆ )LJ ࡟♧ࡍࠋ㹆㹎ฎ⌮ࡢ᪋ᕤᅇᩘࡶᐇ㦂ࣃ࣓࣮ࣛࢱ࡜ࡋࠊ ᅇ࠿ࡽ  ᅇࡲ࡛  ✀㢮ࡢヨ㦂యࢆసᡂࡋࡓࠋ᪋ᕤᅇᩘ࡟ࡼࡿพࡳ῝ࡉࡢ㐪࠸ࢆ ' ࣐ࢡࣟࢫࢥ࣮ࣉ࡛ィ ࡋࡓ⤖ᯝࢆ 7DEOH ࡟♧ࡍࠋ඲࡚ࡢᅇᩘ࡛ࠊ+7 ࡢ᪉ࡀพࡳࡀὸࡃ࡞ࡗ࡚࠾ࡾࠊ ᅇ᪋ᕤࡢሙྜࠊ60 ࡀ 㹫㹫࡛࠶ࡗࡓࡢ
࡟ᑐࡋࠊ+7 ࡣ 㹫㹫࡜༙ศ⛬ᗘࡢ῝ࡉ࡜࡞ࡗ࡚࠸ࡿࠋࡇࢀࡣ㧗ᙇຊ㗰ࡢ᪉ࡀ◳ᗘࡀ㧗࠸ࡓࡵ࡛࠶ࡿ࡜⪃࠼ࡽࢀࡿࠋ
7DEOH'HSWKRIGHQWGXHWR+3 8QLWPP

60
+7

WLPH

WLPHV



WLPHV



WLPHV



)LJ  %R[ZHOGHGVSHFLPHQᅇࡋ⁐᥋㒊ࡢ⑂ປᑑ࿨ ᮏ◊✲࡛౑⏝ࡋࡓヨ㦂యࡢᙧ≧࣭ᑍἲࢆ )LJ  ࡟♧ࡍࠋヨ㦂యࡣ PP ࣮࣋ࢫࣉ࣮ࣞࢺ࡟ PPࡢࣜࣈࢆ  1PP ⣭㗰⏝ࢯࣜࢵࢻ࣡࢖࣮ࣖࢆ⏝࠸࡚⬮㛗 PP ᐇ

PP ࡛ᅇࡋ⁐᥋ࡋࡓࡶࡢ࡛࠶

ࡿࠋࡇࡢヨ㦂యࡢᅇࡋ⁐᥋㒊㏆ഐࡢẕᮦ㒊  ࣨᡤࢆࣇࣛࢵࢡࢫࢳࢵࣃ࣮࡟࡚㹆㹎ฎ⌮ࡋࡓࠋ

)LJ  %R[ZHOGHGVSHFLPHQ⑂ປᐇ㦂ࡣ N1 ୍㍈⑂ປヨ㦂ᶵ࡟ࠊ᭤ࡆ⑂ປヨ㦂ࢪࢢࢆ⤌ྜࡏ࡚⾜ࡗࡓࠋヨ㦂యࢆࣜࣈࡢ࠶ࡿഃ
ࡀᘬᙇ࡜࡞ࡿࡼ࠺࡟㸲Ⅼ᭤ࡆ⑂ປヨ㦂࡟౪ࡋࡓࠋຍຊࣆࣥࡢ㛫㝸ࡣ PP ࡜ PP ࡛࠶ࡿࠋ⑂ປヨ㦂ࡢᛂຊ᣺ᖜࡣࠊẕᮦᡴᧁ㹆㹎ヨ㦂యࡀ 03D ࡜ 03Dࠊẚ㍑ࡢࡓࡵࡢ↓ฎ⌮ヨ㦂యࡀ 03D ࡜
03D ࡛ࠊᛂຊẚࡣ࠸ࡎࢀࡶ  ࡜ࡋࡓࠋ඲࡚ࡢヨ㦂య࡛ࡁ⿣Ⓨ⏕ᑑ࿨ࢆẚ㍑ࡋࡓࡶࡢࢆ )LJ ࡟♧ࡍࠋ◚᩿ᑑ࿨ࢆẚ㍑ࡋࡓࡶࡢࢆ )LJ  ࡟♧ࡍࠋヨ㦂యࡢ◚᩿ᑑ࿨ࡣ∦ഃ PP ࡢ㒊ศࡲ࡛ࡁ⿣ࡀ㐩ࡋ− 179 −

ࡓ᫬Ⅼ㸦 ᮏ┠ࡢࢢࣜࢵࢻࡀ◚᩿ࡋࡓ᫬Ⅼ㸧࡜ᐃ⩏ࡋࡓࠋࡓࡔࡋࠊẕᮦᡴᧁ㹆㹎ヨ㦂యࡣࣜࣈഃṆ➃࠿ࡽࡁ⿣ࡀⓎ⏕ࡋࡓࡓࡵࢡࣛࢵࢡࢤ࣮ࢪࡢ㏵୰࠿ࡽࡁ⿣ࢆឤ▱ࡍࡿሙྜࡀぢࡽࢀࡓࠋࡇࡢሙྜࡣࠊࡁ
⿣ࡀࢡࣛࢵࢡࢤ࣮ࢪ࡟฿㐩ࡋࡓ⧞㏉ࡋᅇᩘ࡜ᚋ༙ࡢࡁ⿣㐍ᒎࢫࣆ࣮ࢻ࠿ࡽ  ᮏ┠ࡢࢢࣜࢵࢻࡀ◚᩿ࡋ
ࡓ᫬Ⅼࢆ᥎ᐃࡋࠊ◚᩿ᑑ࿨࡜ࡋࡓࠋ ◚᩿ᑑ࿨ࢆᛂຊ᣺ᖜ 03D ࡛ẚ㍑ࡋࡓሙྜࠊẕᮦᡴᧁ㹆㹎ヨ㦂యࡢ⑂ປࡁ⿣Ⓨ⏕ᑑ࿨ࡣ↓ฎ⌮ヨ㦂య࡟ẚ࡭ࠊ㹼 ಸ࡟ᘏࡧ࡚࠸ࡿࡇ࡜ࡀศ࠿ࡿࠋᛂຊ᣺ᖜ 03D ࡛ࡶྠ⛬ᗘࡢຠᯝࡀ࠶ࡿ࡜᥎ᐃࡉ
ࢀࡿࠋࡲࡓࠊ⑂ປࡁ⿣Ⓨ⏕ᑑ࿨ྠᵝࠊ㹆㹎ฎ⌮ࡋࡓ࣮࣋ࢫࣉ࣮ࣞࢺഃṆ➃㒊࡛ࠊࡁ⿣ࡀⓎ⏕ࡋ࡚࠸࡞࠸
ࡓࡵࠊ◚᩿ᑑ࿨ࡣࠊࣜࣈഃࡢṆ➃㒊࠿ࡽࡁ⿣ࡀⓎ⏕ࡋࡓࡶࡢࡢࢹ࣮ࢱ࡛࠶ࡿࡓࡵࠊ࣮࣋ࢫࣉ࣮ࣞࢺഃṆ࡛ࡁࡿࠋ
Stress range ǻV (MPa)Stress range ǻV (MPa)➃㒊ࡢᑑ࿨ࡣࡼࡾ㛗࠸ࡇ࡜ࡀ᥎
600

HP
400

NP

200

100

600
HP
400

NP

200

100

50ϭϬϬϬ
103

ϭϬϬϬϬ

104

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105
106
Number of repetition N (cycles)

50
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105

106
107
Number of repetition N (cycles))LJ  61GLDJUDP IUDFWXUHOLYHV  ࡇࡢᵝ࡟ࠊᐃ㔞ⓗ࡞ᢕᥱࡣฟ᮶࡚࠸࡞࠸ࡀࠊ+7 ࡟ẕᮦᡴᧁ㹆㹎ࢆ᪋ࡋࡓሙྜ࡛ࡶࠊᬑ㏻㗰ࡢሙྜྠᵝࠊ኱ࡁࡃ⑂ປᑑ࿨ࡀᘏࡧࡿࡇ࡜ࡀ᫂ࡽ࠿࡜࡞ࡗࡓࠋ
⤖ゝ  ẕᮦᡴᧁ㹆㹎ࢆ᪋ࡍࡇ࡜ࡼࡗ࡚⏕ᡂࡉࢀࡿ⾲㠃ṧ␃ᛂຊศᕸ࡟ࡣࠊ㹆㹎ฎ⌮ࡢ᪋ᕤᅇᩘࡸ㗰✀ࡣ኱ࡁ࡞ᙳ㡪ࢆཬࡰࡉ࡞࠸ࠋ  ẕᮦᡴᧁ㹆㹎ࢆ᪋ࡍࡇ࡜࡟ࡼࡗ࡚⏕ᡂࡉࢀࡿṧ␃ᛂຊࡢ῝ࡉ᪉ྥศᕸ࡟㹆㹎ฎ⌮ࡢ᪋ᕤᅇᩘࡣ኱
ࡁ࡞ᙳ㡪ࢆཬࡰࡋࠊ᪋ᕤᅇᩘࡀከࡃ࡞ࡿ࡜᭱኱ᅽ⦰ᛂຊࡢ኱ࡁࡉࡀ኱ࡁࡃ࡞ࡾࠊࡼࡾ῝ࡃࡲ࡛኱ࡁ࡞
ᅽ⦰ṧ␃ᛂຊࡀ⏕ᡂࡉࢀࡿࠋ  ẕᮦᡴᧁ㹆㹎ฎ⌮࡟ࡼࡗ࡚⏕ᡂࡉࢀࡿṧ␃ᛂຊࡢ῝ࡉ᪉ྥศᕸ࡟㗰✀ࡣ኱ࡁ࡞ᙳ㡪ࢆཬࡰࡋࠊ
60 ࡟ẚ࡭ +7 ࡢ᪉ࡀ᭱኱ᅽ⦰ṧ␃ᛂຊࡀ኱ࡁࡃ࡞ࡾࠊ᪉ࡀࡼࡾ῝࠸Ⅼ࡛᭱኱ᅽ⦰ᛂຊࢆ♧ࡍࠋࡋ࠿ࡋࠊᅽ⦰ṧ␃ᛂຊࡢ⏕ᡂ῝ࡉࡣ኱ࡁࡃࡣኚࢃࡽ࡞࠸ࠋ  㧗ᙇຊ㗰 +7 ࡟ẕᮦᡴᧁ㹆㹎ࢆ᪋ࡍ஦࡟ࡼࡾࠊᅇࡋ⁐᥋Ṇ➃㒊࡟03D ⛬ᗘࡢ኱ࡁ࡞ᅽ⦰ṧ␃ᛂຊࡀ⏕ᡂࡉࢀࡿࠋ  ᅇࡋ⁐᥋ࡢṆ➃㒊࡟ẕᮦᡴᧁ㹆㹎ࢆ᪋ࡍࡇ࡜࡟ࡼࡾࠊ᭤ࡆ⑂ປヨ㦂࡛ࡣ࣮࣋ࢫࣉ࣮ࣞࢺഃṆ➃㒊࠿ࡽࡣࡁ⿣ࡀ⏕ࡌࡎࠊẕᮦᡴᧁ㹆㹎ࢆ᪋ࡋ࡚࠸࡞࠸ࣜࣈഃࡢṆ➃㒊࠿ࡽࡁ⿣ࡀⓎ⏕ࡍࡿࠋ  㧗ᙇຊ㗰 +7 ࡟ẕᮦᡴᧁ㹆㹎ࢆ᪋ࡍ஦࡟ࡼࡾࠊ⑂ປࡁ⿣Ⓨ⏕ᑑ࿨࡛ᑡ࡞ࡃ࡜ࡶ  ಸ௨ୖࠊ◚᩿ᑑ࿨࡛ᑡ࡞ࡃ࡜ࡶ  ಸ௨ୖࡢ⑂ປᑑ࿨ྥୖຠᯝࡀᮇᚅ࡛ࡁࡿࠋ ௨ୖ࡟ࡼࡾࠊ㧗ᙇຊ㗰࡬ẕᮦᡴᧁ㹆㹎ࡢ㐺⏝ࡋࡓሙྜ࡛ࡶࠊ⑂ປᙉᗘྥୖຠᯝࡀᮇᚅ࡛ࡁࡿࡇ࡜ࡀ
᫂ࡽ࠿࡜࡞ࡗࡓࠋ
㸦ඹྠ◊✲ศ㔝㸸᥋ྜタィᏛศ㔝㸧− 180 −

⑂ປᦆയࢆ⪃៖ࡋࡓ⤖ྜຊࣔࢹࣝ࡟ᇶ࡙ࡃ」ྜ◳໬ᙎረᛶᵓᡂ๎࡟㛵ࡍࡿ◊✲⟃Ἴ኱Ꮫ ࢩࢫࢸ࣒᝟ሗ⣔ ᪂Ꮿຬ୍๪ᓥඞဢ㸪㘽ᮧᣅஓ㸪▼ᶫ ዌᮾ໭኱Ꮫ ⅏ᐖ⛉Ꮫᅜ㝿◊✲ᡤ ᑎ⏣㈼஧㑻኱㜰኱Ꮫ ᥋ྜ⛉Ꮫ◊✲ᡤ ሐ ᡂ୍㑻㸯㸬⥴ゝ 㗰ᵓ㐀≀ࡀᆅ㟈ື࡟ࡼࡿ⧞ࡾ㏉ࡋ㍕Ⲵࢆཷࡅࡿ࡜㸪⁐᥋㒊ࡸ㝮ゅ㒊࡞࡝ࡢᛂຊ㞟୰㒊࡛ࡣ⧞ࡾ㏉ࡋ㐣኱࡞እຊࡀస⏝ࡍࡿࡇ࡜࡟ࡼࡗ࡚ረᛶኚᙧࡀ⏕ࡌࡿ㸬ࡑࡢࡓࡵ㸪㗰ᵓ㐀≀ࡢᙉᗘࡣᆅ㟈ືࢆ⤒㦂ࡍࡿ๓ࡼࡾప
ୗࡋ࡚࠸ࡿྍ⬟ᛶࡀ࠶ࡾ㸪ረᛶࡦࡎࡳ࡟ࡼࡿ⑂ປᦆയࢆᩘ್ゎᯒ࡟ࡼࡗ࡚ホ౯ࡋ࡚࠸ࡃᚲせࡀ࠶ࡿ㸬ࡓ࡜࠼ࡤ㸪୍⯡ⓗ࡞㗰ᵓ㐀≀ࡢ⁐᥋㒊࡟౑⏝ࡉࢀ࡚࠸ࡿ⁐᥋ᵓ㐀⏝ᅽᘏ㗰ᮦ 60$ ࡣ⧞ࡾ㏉ࡋ㍕Ⲵᚋ࡟༢ㄪ㍕Ⲵࢆᐇ᪋ࡋࡓሙྜ㸪༢ㄪ㍕Ⲵࡢࡳࢆ⾜࠺࡜ࡁࡼࡾࡶᘬᙇᙉࡉ࡜◚᩿ࡦࡎࡳࡀᑠࡉࡃ࡞ࡿࡇ࡜ࡀ▱ࡽࢀ࡚࠸ࡿ㸬ඛ⾜◊✲࡜ࡋ࡚ረᛶኚᙧ࡟㉳ᅉࡍࡿᦆയኚᩘࢆᮦᩱᵓᡂ๎࡟ᑟධࡋࡓ㐃⥆యᦆയࣔࢹࣝࡀ࠶ࡾ㸪ࡑࡢ୰࡛ࡶ *XUVRQ ࣔࢹࣝ>@࡜ /HPDLWUH ࣔࢹࣝ>@ࡀ௦⾲࡜ࡋ࡚ᣲࡆࡽࢀࡿ㸬๓⪅ࡣᘏᛶ◚ቯ࡟࠾ࡅࡿ࣎࢖ࢻࡢⓎ⏕࣭ᡂ㛗㐣⛬ࢆ⪃៖ࡋ㸪ᮦᩱ୰࡟༨ࡵࡿ࣎࢖ࢻࡢ๭ྜࢆ⏝࠸࡚㸪㝆అ㛵ᩘࡢኚ໬ࢆ⾲ࡋ࡚࠸ࡿ㸬ᚋ⪅ࡣ⌧㇟ㄽⓗ࡟ᦆയኚᩘࢆᐃ⩏ࡋ㸪๛ᛶࡢపୗࢆ⾲⌧ࡋ࡚࠸ࡿ㸬ࡋ࠿ࡋ㸪*XUVRQ ࣔࢹࣝࡣᘏᛶ◚ቯࢆᑐ㇟࡜ࡋࡓᦆയࣔࢹ
࡛ࣝ࠶ࡿࡓࡵ㸪⧞ࡾ㏉ࡋ㍕Ⲵ᫬࡟࠾ࡅࡿ⑂ປᑑ࿨ࢆᐃ㔞ⓗ࡟ண ࡍࡿࡇ࡜ࡀᅔ㞴࡛࠶ࡿࡇ࡜ࡀሗ࿌ࡉࢀ࡚࠸
ࡿ>@㸬୍᪉࡛㸪/HPDLWUH ࣔࢹࣝࡣ⧞ࡾ㏉ࡋ㍕Ⲵ᫬࡟࠾࠸࡚๛ᛶࡢపୗࡀ㢧ⴭ࡟⏕ࡌ࡞࠸ᮦᩱ࡟ᑐࡋ࡚㐺⏝ࡍࡿࡇ࡜ࡣ୙㐺ᙜࡔ࡜⪃࠼ࡽࢀࡿ㸬㐃⥆యᦆയࣔࢹࣝ࡟ᑐࡋ࡚㸪◚ቯຊᏛ࡟ᇶ࡙ࡃ⤖ྜຊࣔࢹࣝࡣ㸪ᮦᩱෆ㒊࡟࠾ࡅࡿᛂຊゎᨺ㐣⛬ࢆᘬᙇᙉࡉ࡜࢚ࢿࣝࢠ࣮ゎᨺ⋡ࡢᴫᛕࢆ⏝࠸࡚⾲⌧ࡋ࡚࠾ࡾ㸪༢ㄪ㍕Ⲵ᫬ࡢᘬᙇᙉࡉ࡜◚᩿ࡦࡎࡳࢆホ౯ྍ⬟࡜ࡋ࡚࠸ࡿ㸬ࡋ࠿ࡋ㸪⤖ྜຊࣔࢹࣝࢆ౑⏝ࡍࡿሙྜ㸪ࡁ⿣ࡢⓎ⏕⟠ᡤࡸ㐍ᒎ⤒㊰ࢆண ࡋࡓ࠺࠼࡛㸪ࡑࡢᗄఱᏛᙧ
≧ࢆ㝧ⓗ࡟タᐃࡋ࡚࠾ࡃᚲせࡀ࠶ࡿ㸬ࡇࢀ࡟ᑐࡋ࡚㸪᪂Ꮿ࡜ᑎ⏣>@ࡣ⤖ྜຊᇙ㎸ᆺᦆയࣔࢹࣝࢆᥦ᱌ࡋ࡚࠾
ࡾ㸪⤖ྜຊࢆᮦᩱᵓᡂ๎࡟ᇙࡵ㎸ࡴࡇ࡜࡟ࡼࡗ࡚㸪௵ព⟠ᡤ࠿ࡽࡢࡁ⿣ࡢⓎ⏕࡜㐍ᒎࢆ⾲⌧ྍ⬟࡜ࡋ࡚࠸ࡿ㸬ࡲࡓ㸪᪤ ࡢ⤖ྜຊࣔࢹࣝ࡟࠾࠸࡚⧞ࡾ㏉ࡋ㍕Ⲵ᫬࡟࠾ࡅࡿረᛶኚᙧ࡟㉳ᅉࡋࡓ⑂ປᦆയࢆ⪃៖ࡋࡓ◊✲౛ࡣࡲࡔᑡ࡞࠸㸬ࡑࡇ࡛㸪ᮏ◊✲࡛ࡣረᛶኚᙧ࡟ࡼࡿ⑂ປᦆയࢆ⪃៖ࡋࡓ⤖ྜຊࣔࢹࣝ࡟ᇶ࡙ࡃ」ྜ◳໬ᙎረᛶࣔࢹࣝࢆᥦ
᱌ࡍࡿ㸬ࡲࡓ㸪ᩘ್ゎᯒ࡜ẚ㍑ࡍࡿࡓࡵ࡟ษḞࡁ௜ࡁ୸Წヨ㦂∦࡟ᑐࡋ࡚ረᛶࡦࡎࡳ᣺ᖜ୍ᐃࡢ⧞ࡾ㏉ࡋ㍕
Ⲵヨ㦂ࢆᐇ᪋ࡍࡿ㸬ᩘ್ゎᯒ࠾ࡼࡧᐇ㦂࠿ࡽᚓࡽࢀࡓ⤖ᯝࡢẚ㍑ࢆ⾜࠸㸪ᥦ᱌ࣔࢹࣝࡢጇᙜᛶࢆ᳨ドࡍࡿ㸬㸰㸬ᐇ㦂ᴫせヨ㦂∦ᮦᩱ࡟ࡣ㸪୍⯡࡟㗰ᵓ㐀≀ࡢ⁐᥋㒊࡟౑⏝ࡉࢀ࡚࠸ࡿ⁐᥋ᵓ㐀⏝ᅽᘏ㗰ᮦ 60$ ࢆ⏝࠸ࡓ㸬ヨ㦂∦ࡢᙧ≧ࡣᅗ  ࡢࡼ࠺࡟ษḞࡁ༙ᚄࡀ 5 㸪㸪 ࡢ  ✀㢮ࢆ⏝ពࡋࡓ㸬ࡍ࡭࡚ࡢᙧ≧࡛᭱ᑠ᩿㠃┤ᚄࢆ PP ࡜ࡋ㸪ヨ㦂∦ࡢࡤࡽࡘࡁࢆᑠࡉࡃࡍࡿࡓࡵ࡟㸪ヨ㦂∦㛗ᡭ᪉ྥࢆᅽᘏ᪉ྥ࡜ࡋ࡚᥇ྲྀࡋࡓ㸬
ヨ㦂ࡣረᛶࡦࡎࡳ⠊ᅖ୍ᐃࡢ୧᣺ࡾࡢ⧞ࡾ㏉ࡋ㍕Ⲵヨ㦂ࢆᐇ᪋ࡋ㸪ཧ⪃ᩥ⊩[5]࡟ᚑ࠸㸪ረᛶࡦࡎࡳ⠊ᅖࡀ 㸪 ࡜࡞ࡿࡼ࠺࡟ไᚚࡋࡓ㸬ࡇࡇ࡛㸪ࡍ࡭࡚ࡢヨ㦂ࢆᐊ ࡛ᐇ᪋ࡋ㸪㍕Ⲵ㏿ᗘࢆ PPPLQ ୍࡛ᐃ࡜ࡋࡓ㸬ࡲࡓ㸪ヨ㦂∦᭱ᑠ᩿㠃㒊ࡢ┤ᚄ᪉ྥࡢኚ໬㔞ࢆ࣮ࣞࢨ࣮ཌࡳィ࡛㸪ᯈཌ᪉ྥ࡜ࡑࢀ࡟ᑐࡋ࡚┤ゅ᪉ྥࡢ  ᪉ྥ࠿ࡽ +] ࡛㐃⥆ⓗ࡟ィ ࡋ㸪ࡑࢀࡽࡢᖹᆒ࡜ࡋ࡚┤ᚄࢆồࡵࡓ㸬๓㏙ࡋࡓཧ⪃ᩥ⊩[5]ࡼ
ࡾ㸪┤ᚄ࠾ࡼࡧⲴ㔜ࢆ⏝࠸࡚㸪㍈᪉ྥࡢ┿ᛂຊ࣭ᙎᛶࡦࡎࡳ࣭ረᛶࡦࡎࡳ࣭඲ࡦࡎࡳࢆ⟬ฟࡋࡓ㸬㸱㸬ᩘ್ゎᯒ࡜ᐇ㦂⤖ᯝࡢẚ㍑
㸱㸫㸯㸬ᛂຊࡦࡎࡳ㛵ಀ࡟ࡘ࠸࡚

− 181 −

5㸪5 ࡢ⧞ࡾ㏉ࡋ㍕Ⲵヨ㦂࠾ࡼࡧᩘ್ゎᯒ࠿ࡽᚓࡽࢀࡓ◚ቯ㛤ጞ┤๓ࡲ࡛ࡢᛂຊࡦࡎࡳ⥺ᅗࢆࡑࢀࡒࢀᅗ  D ࠾ࡼࡧ E ࡟♧ࡍ㸬ᮏ◊✲࡛ࡣ㸪5 ࡢረᛶࡦࡎࡳ⠊ᅖ  ࡢ⧞ࡾ㏉ࡋ㍕Ⲵヨ㦂࠿ࡽᚓࡽࢀࡓᛂ
ຊࡦࡎࡳ⥺ᅗ࡟ྜ࠺ࡼ࠺࡟ 9RFH ๎࡜ &KDERFKH ࣔࢹࣝࡢᮦᩱࣃ࣓࣮ࣛࢱࢆᅗ 2(a)ࡢࡼ࠺࡟ྠᐃࡋࡓ㸬ࡇࡢᮦᩱࣃ࣓࣮ࣛࢱࢆ⏝࠸࡚ᐇ᪋ࡋࡓᩘ್ゎᯒ࠿ࡽᚓࡽࢀࡓ 5 ࡢᛂຊࡦࡎࡳ⥺ᅗࡣ㸪ᅗ 2(b)ࡢࡼ࠺࡟ᐇ㦂⤖ᯝ࡜◚ቯ㛤ጞ┤๓ࡲ࡛ᐃ㔞ⓗ࡟෌⌧ࡉࢀ࡚࠸ࡿࡇ࡜ࡀ☜ㄆ࡛ࡁࡿ㸬≉࡟㸪ᘬᙇ࠿ࡽᅽ⦰㸪ᅽ⦰࠿ࡽᘬᙇ㐣⛬࡟࠾ࡅࡿ㠀⥺ᙧᛶࢆ⛣ື◳໬࡟ࡼࡗ࡚⾲⌧࡛ࡁ࡚࠸ࡿ㸬㸱㸫㸰㸬◚ቯࡢⓎ⏕⟠ᡤ࡟ࡘ࠸࡚
ᩘ್ゎᯒ࠿ࡽᚓࡽࢀࡓ 5 ࠾ࡼࡧ 5 ࡢረᛶࡦࡎࡳ⠊ᅖ  ࡢ⧞ࡾ㏉ࡋ㍕Ⲵࡢ◚ቯ㛤ጞ᫬࡟࠾ࡅࡿ᭱
኱୺ᛂຊࡢศᕸࢆᅗ  ࡟ࡑࢀࡒࢀ♧ࡍ㸬ᅗ  ࡼࡾ㸪ᩘ್ゎᯒ࡟࠾࠸࡚ 5 ࡣヨ㦂∦୰ᚰ㸪5 ࡣヨ㦂∦⾲㠃࠿ࡽ᭱኱୺ᛂຊࡀపୗࡋ࡚࠸ࡿ㸬ࡇࢀ࡟ᑐࡋ࡚㸪ᐇ㦂࡛ほᐹࡉࢀࡓ◚ቯⓎ⏕⟠ᡤࡶ 5 ࡣヨ㦂∦୰ᚰ㸪
5 ࡣヨ㦂∦⾲㠃࠿ࡽ࡛࠶ࡗࡓࡓࡵ㸪ᩘ್ゎᯒ࠾ࡼࡧᐇ㦂࡛ほᐹࡉࢀࡓ◚ቯⓎ⏕⟠ᡤࡣ୍⮴ࡋࡓ㸬ࡇࢀࡽࡢ⤖ᯝ࠿ࡽ㸪ᥦ᱌ࡋࡓ⤖ྜຊࣔࢹࣝ࡟ᇶ࡙ࡃ」ྜ◳໬ᙎረᛶᵓᡂ๎ࢆ⏝࠸ࡿࡇ࡜࡟ࡼࡗ࡚㸪᫖ᖺᗘࡣ⾲⌧࡛ࡁ࡞࠿ࡗࡓኚᙧ࠿ࡽ◚ቯ㐣⛬ࡲ࡛ࢆ෌⌧ྍ⬟࡜ࡋࡓ㸬㸱㸫㸱㸬⑂ປᑑ࿨࡟ࡘ࠸࡚
ᩘ್ゎᯒ࡜ᐇ㦂࠿ࡽᚓࡽࢀࡓ⑂ປᑑ࿨࡜ረᛶࡦࡎࡳ⠊ᅖࡢ㛵ಀࢆᅗ  ࡟♧ࡍ㸬ᅗ  ࡼࡾ㸪ᩘ್ゎᯒ࡟ࡼ
ࡗ࡚ 5 ࠾ࡼࡧ 5 ࡢ  ࡘࡢረᛶࡦࡎࡳ⠊ᅖ࡛ࡢ⧞ࡾ㏉ࡋ㍕Ⲵ࡟࠾ࡅࡿ⑂ປᑑ࿨ࢆண ࡛ࡁ࡚࠸ࡿࡇ࡜ࡀ
☜ㄆ࡛ࡁࡿ㸬୍᪉࡛㸪5 ࡢ⧞ࡾ㏉ࡋ㍕Ⲵ࡟࠾ࡅࡿ⑂ປᑑ࿨ࡣᩘ್ゎᯒ࡟ࡼࡗ࡚㛗ࡃண ࡉࢀࡓ㸬௒ᚋࡣ㸪ረᛶࡦࡎࡳ࡟ᇶ࡙ࡃᦆയኚᩘࢆᮏ◊✲࡜ࡣ␗࡞ࡿ㛵ᩘᙧ࡛ᐃ⩏ࡍࡿࡇ࡜࡛㸪ࡼࡾᐃ㔞ⓗ࡞⑂ປᑑ࿨ࡢண
ࡀྍ⬟࡟࡞ࡿ࡜⪃࠼ࡽࢀࡿ㸬

ണ-1 ࠷⅐ǢԈǢѨἂ䂖偃⡷(a) R35(b) R1.4

ണ 2 ກᙗȇǯȔㇴഢ 0.08 ȃ㒠ȟ䘄Ǭ䔹㦧ȀǟǦȠᮠٔ䀓᷀ǟȝȈᇏ偃ǠȞᗇȞȡǴᘌ࣋ȇǯȔ㐊ണ− 182 −

R1.4

R35
ണ-3 ᴰབྷѫᘌ࣋ȃ࠶ᐳണ

ണ-4 ᇏ偃ǽᮠٔ䀓᷀ȀǟǦȠ⯢ࣤሯભǽກᙗȇǯȔㇴഢȃ䯒‫ײ‬㸲㸬ࡲ࡜ࡵᮏ◊✲࡛ࡣ㸪⑂ປᦆയࢆ⪃៖ࡋࡓ⤖ྜຊࢆᇙࡵ㎸ࢇࡔ」ྜ◳໬ᙎረᛶࣔࢹࣝࡢጇᙜᛶࢆ᳨ドࡍࡿࡓࡵ࡟㸪ᐇヨ㦂∦ࢆᶍࡋࡓ᭷㝈せ⣲ࣔࢹࣝࢆ⏝࠸ࡓᩘ್ゎᯒ࡜ᐇ㦂ࡢẚ㍑ࢆ⾜ࡗࡓ㸬ᩘ್ゎᯒ࡟ࡼࡗ࡚ᐇ㦂࡛ᚓࡽࢀࡓᛂຊࡦࡎࡳ㛵ಀࢆᐃ㔞ⓗ࡟⾲⌧ࡋࡓ㸬ࡲࡓ㸪 ࡘࡢረᛶࡦࡎࡳ⠊ᅖ࡛ 5 ࡣヨ㦂∦୰ኸ㸪5 ࡣヨ㦂∦⾲㠃࠿ࡽ◚ቯ㛤ጞࡍࡿࡇ࡜ࡀᐇ㦂࡛ほᐹࡉࢀ㸪ᩘ್ゎᯒ࡟ࡼࡗ࡚ࡇࢀࡽࡢ◚ቯࡢⓎ⏕⟠ᡤࢆண ࡋࡓ㸬ࡉࡽ࡟㸪ᩘ್ゎᯒ࡟ࡼࡗ࡚ᐇ㦂࡟࠾ࡅࡿ R35 ࡜ R7 ࡢ 2 ࡘࡢረᛶࡦࡎࡳ⠊ᅖ࡛ࡢ⑂ປᑑ࿨ࢆண ྍ⬟࡜ࡋࡓ㸬ཧ⪃ᩥ⊩[1] *XUVRQ/&RQWLQXXP7KHRU\RI'XFWLOH5XSWXUHE\9RLG1XFOHDWLRQDQG*URZWK3DUW,-<LHOG&ULWHULDDQG)ORZ
5XOHVIRU3RURXV'XFWLOH0HGLD7UDQVDFWLRQVRIWKH$60(-RXUQDORI(QJLQHHULQJ0DWHULDOVDQG7HFKQRORJ\9RO
SS-
[2] /HPDLWUH-$&RQWLQXRXV'DPDJH0HFKDQLFV0RGHOIRU'XFWLOH)UDFWXUH-RXUQDORI(QJLQHHULQJ0DWHULDOVDQG
7HFKQRORJ\7UDQV$60(9ROSS-
[3] 3LURQGL$6WHJOLFK'%URFNV:+HOOPDQ'6LPXODWLRQRIIDLOXUHXQGHUF\FOLFSODVWLFORDGLQJE\GDPDJHPRGHOV㸪,QWHUQDWLRQDO-RXUQDORI3ODVWLFLW\9ROSS-

[4] ᪂Ꮿຬ୍ ᑎ⏣㈼஧㑻 ⤖ྜຊࢆᇙࡵ㎸ࢇࡔᙎᛶᦆയࣔࢹࣝࡢᵓ⠏࡜ࡑࡢࡁ⿣㐍ᒎゎᯒ࡬ࡢ㐺⏝ ᪥ᮏィ⟬ᕤᏛ఍ㄽᩥ㞟 9ROSS
[5] ୰㎸ᛅ⏨, ᮤ೺, ⧞㏉ࡋຊࢆཷࡅࡿ 60 㗰ࡢ⑂ປ≉ᛶ࡟㛵ࡍࡿ◊✲, ᪥ᮏᘓ⠏Ꮫ఍ᵓ㐀⣔ㄽᩥ㞟,
9ROSS-
㸦ඹྠ◊✲ศ㔝㸸᥋ྜタィᏛศ㔝㸧− 183 −

ࣅࣝࢺ H ᱱࢆ⏝࠸ࡓ⌧ሙ⁐᥋ᆺᰕᱱ⁐᥋᥋ྜ㒊ࡢኚᙧ⬟ຊ࡟㛵ࡍࡿᐇ㦂ⓗ◊✲ಙᕞ኱ᏛᕤᏛ㒊 ୰㎸ᛅ⏨ࠊ᫓᪥ᬛஓࠊᓊ ⪔ᕥࠊ⏣Ᏺఙ୍㑻⚟Ọ‪኱ࠊᮧ⏣ెඃࠊ‫⏣‮‬ၨ௓┠ⓗ ⌧ሙ⁐᥋᥋ྜᙧᘧࡣࠊࢫ࢝ࣛࢵࣉ࿘㎶࡟ᛂຊ㞟୰ࡀⓎ⏕ࡋኚᙧ⬟ຊࡢపୗࡀ༴᝹ࡉࢀ࡚࠸ࡿ
ࡀࠊ᪤ ࡢ◊✲࡛ኚᙧ⬟ຊࢆྥୖࡉࡏࡿࡓࡵࡢᵝࠎ࡞ᱱ➃ࢹ࢕ࢸ࣮ࣝࡀ⪃᱌ࡉࢀ࡚࠸ࡿࠋ
ᮏ◊✲ࡣࠊᵝࠎ࡞ᱱ➃ࢹ࢕ࢸ࣮ࣝࡸ 6$: 㒊ࡢ㠌ᛶ್ࠊཬࡧᮍ⁐╔㛗ࡉࢆㄪᰝࡋࠊࣅࣝࢺ + ᱱࡀ༑ศ࡞ኚᙧ⬟ຊࢆⓎ᥹ࡍࡿࡼ࠺࡞ᱱ➃ࢹ࢕ࢸ࣮ࣝ࡟ᑐࡍࡿࣃ࣓࣮ࣛࢱࡢ㛵ಀࢆᢕᥱࡍࡿࡇ࡜
ࢆ┠ⓗ࡜ࡋᐇ኱ᐇ㦂ࢆ⾜ࡗࡓࠋᐇ㦂ᴫせ ᐇ㦂ࣃ࣓࣮ࣛࢱ ⾲  ࡟ᐇ㦂ࣃ࣓࣮ࣛࢱࢆ♧ࡍࠋ⌧ሙ⁐᥋ᆺᰕᱱ⁐᥋᥋ྜ㒊࡟࠾ࡅࡿᱱ➃ࢹ࢕ࢸ࣮ࣝ࡜ࠊࣅࣝࢺ
+ ᱱ࡟࠾ࡅࡿ 6$: 㒊ࡢ◚ቯ㠌ᛶཬࡧᮍ⁐╔㛗ࡉࢆࣃ࣓࣮ࣛࢱ࡜ࡋࡓࠋᱱ㒊ᮦ࡜ᰕ㒊ᮦࠊ࢙࢘ࣈ
᥋ྜᙧᘧࠊࣇࣛࣥࢪ⁐᥋᪋ᕤ᮲௳ࡣࠊ඲ヨ㦂య࡛⤫୍ࡋࡓࠋヨ㦂యࡣࠊᅗ㸯࡟♧ࡍࡼ࠺࡟ᰕᱱ⁐᥋᥋ྜ㒊ࢆࣔࢹࣝ໬ࡋࡓᐇ኱ࢺᙧヨ㦂య࡛࠶ࡿࠋᰕ㒊ᮦ࡟ࡣゅᙧ㗰⟶ᰕƑîî㸦%&3㸧ࢆࠊᱱ㒊ᮦ࡟ࡣࣅࣝࢺ + ᱱ %+îîî㸦61%㸧ࢆ⏝࠸ࡓࠋᱱࣇࣛࣥࢪᖜཌẚ࡜ᱱ࢙࢘ࣈᖜཌẚࡣࠊࡑࢀࡒࢀ EW I ࠊ EW Z  ࡛࠶ࡾࠊᒁ㒊ᗙᒅࡀ⏕ࡌ࡟ࡃ࠸᩿㠃ᑍἲ࡜ࡋࡓࠋࡲ
ࡓࠊᱱ࡟ẚ࡭࡚ᰕཬࡧ᥋ྜ㒊ࣃࢿࣝࡣ༑ศ࡟ᙉࡃࠊᱱࡢረᛶ໬ࡀඛ⾜ࡍࡿࣔࢹࣝ࡜ࡋࡓࠋᱱ࢙࢘
ࣈ࡜ᰕࡢ᥋ྜᙧᘧࡣࠊࢩ࢔ࣉ࣮ࣞࢺ࡟ࡼࡿ㧗ຊ࣎ࣝࢺᦶ᧿᥋ྜ࡜ࡋࠊ࣎ࣝࢺࡣ 0 ࡢࢺࣝࢩ࢔
ᙧ㧗ຊ࣎ࣝࢺࢆ⏝࠸ࡓࠋ⾲ 㻝㻌 ᐇ㦂䝟䝷䝯䞊䝍㻌

BF_9
BS_P
BM

ᅾ᮶ᕤἲ

⌧
ሙ
⁐
᥋

ࣇ࢕ࣞࢵࢺ
5mm
ࣇ࢕ࣞࢵࢺ
9mm
㗰∦ᤄධ
࣑ࢽࢫ࢝ࣛࢵࣉ

60J
60J
69J
60J
69J



0.5mm
௨ୗ

60J



ᮍ⁐╔㛗ࡉ



3/ 61&%+㸦61%
5+

3/ 66%‫ ڧ‬%&3ᕤሙࣀࣥࢫ࢝ࣛࢵࣉ

SAW 㒊
㠌ᛶ್

 ἞ල㛫㊥㞳

BN
1-BS
2-BS
1-BF_52-BF_5ᱱ➃ࢹ࢕ࢸ࣮ࣝ

 ᰕࡢࣆࣥᨭᣢ㛫㊥㞳ヨ㦂య ᰕࣇ࢙࢖ࢫ࠿ࡽຍຊⅬࡲ࡛ࡢ㊥㞳 ᰕ࡜ᱱࡢࣆࣥᨭᣢ㛫㊥㞳

60J
60J

ᅗ 㻝㻌 ヨ㦂యཬ䜃タ⨨ᅗ㻌ᱱ➃ࢹ࢕ࢸ࣮ࣝホ౯ᑐ㇟࡜ࡋ࡚ࠊ-$66 ࡛᥎ዡࡉࢀ࡚࠸ࡿᕤሙ⁐᥋ᆺࣀࣥࢫ࢝ࣛࢵࣉᕤἲࠊ-$66 ࡛᥎ዡࡉࢀ
࡚࠸ࡿ U PP ࡜ U PP ࡢ」ྜ෇ᆺࢫ࢝ࣛࢵࣉᙧ≧ࠊኚᙧ⬟ຊࡢྥୖࢆᅗࡗࡓᨵⰋࢹ࢕ࢸ࣮
ࣝࠊᅾ᮶ࢫ࢝ࣛࢵࣉ࡟ᑐࡋ࡚ࣇ࢕ࣞࢵࢺࢆ๐ࡽࡎ࡟ṧࡋࡓࡶࡢ࡜ࡋࡓࠋ࡞࠾ࠊ⁐᥋Ṇ➃㒊ࡢᛂຊ− 184 −

㞟୰ࢆ⦆࿴ࡍࡿࡓࡵ࡟ࣇ࢕ࣞࢵࢺ㒊ࢆྵࡵ࡚⁥ࡽ࠿࡟࡞ࡿࡼ࠺⁐᥋ࡋࡓࠋᅾ᮶ࢫ࢝ࣛࢵࣉ㒊࡟㗰∦ࢆᤄධࡋ࡚㗰∦࡜ᱱࣇࣛࣥࢪཬࡧ࢙࢘ࣈࢆ㝮⫗⁐᥋ࡋ࡚␲ఝⓗ࡞ࣀࣥࢫ࢝ࣛࢵࣉ࡜ࡍࡿᕤ
ἲ࡟࠾࠸࡚ࠊ㝮⫗⁐᥋ࡢᙳ㡪ࢆㄪᰝࡍࡿࡓࡵࠊᮏ◊✲࡛ࡣ㗰∦ୗ㒊ࡢ㝮⫗⁐᥋ࢆࢫ࢝ࣛࢵࣉᗏ࠿
ࡽᰕࡲ࡛࡛ࡣ࡞ࡃᱱ➃ࡢ✺ྜࡏ⁐᥋㒊ࡲ࡛࡜ࡋࡓࠋຍ࠼࡚ࠊᅾ᮶ࢫ࢝ࣛࢵࣉࡢ௦ࢃࡾ࡟㧗ࡉ
PPࠊU PP ࡜࡞ࡿ࣑ࢽࢫ࢝ࣛࢵࣉࢆタࡅࡓࠋ
⾲ 2. ᐇ㦂⤖ᯝᐇ㦂⤖ᯝヨ㦂యྡ ⾲  ࡟ᐇ㦂⤖ᯝ୍ぴࢆ♧ࡍࠋᮏ◊✲࡛ࡣࠊࢫࢣࣝࢺࣥ
᭤⥺ࢆ⏝࠸࡚ᰕᱱ⁐᥋᥋ྜ㒊ࡢኚᙧ⬟ຊࢆホ౯ࡋࡓࠋࢫ
ࢣࣝࢺࣥ᭤⥺࡟ࡼࡿ྾཰࢚ࢿࣝࢠ࣮:V ࠿ࡽ⟬ฟࡋࡓ⣼

BN
1-BS
2-BS

✚ረᛶኚᙧಸ⋡ ȘV ࢆኚᙧ⬟ຊࡢホ౯ᣦᶆ࡜ࡋ࡚⏝࠸ࡓࠋࡲࡓࠊ඲ረᛶ⪏ຊ F3S ࡟ᑐࡍࡿ᭱኱⪏ຊ ePmax ࡢẚ࡜ࡋ࡚⪏ຊୖ᪼⋡ Į ࢆ⟬ฟࡋࡓࠋ࡞࠾ࠊᅗ  ࡟♧ࡍࡼ࠺࡟ࠊ㖄

1-BF_52-BF_5
BF_9┤ୗྥࡁࢆࣉࣛࢫ᪉ྥ࡜ࡋ࡚࠸ࡿࠋ
◚᩿ࡢࢱ࢖࣑ࣥࢢࡣࠊᕤሙࣀࣥࢫ࢝ࣛࢵࣉ %1 ࡀ᭱ࡶ

BS_P㐜ࡃࠊḟ࠸࡛ࣇ࢕ࣞࢵࢺ PP ṧࡋ %)Bࠊ%)B ࠊࣇ

BM

ຍຊ
᪉ྥ
+
+
+
+
+
+
+
+
-

Į

Șs

1.38
1.43
1.23
1.25
1.22
1.16
1.28
1.29
1.29
1.29
1.27
1.27
1.23
1.24
1.23
1.25

9.9
12.4
5.0
6.8
4.6
3.6
6.8
7.3
7.1
7.2
5.9
7.4
5.0
6.1
5.2
6.8

◚ቯ
Type
TYPE E
TYPE F
TYPE STYPE E
TYPE E
TYPE E
TYPE K
TYPE E࢕ࣞࢵࢺṧࡋ PPࠊࡑࡢ௚ࡢࢹ࢕ࢸ࣮ࣝ࡜࠸࠺ࡼ࠺࡞
㡰␒࡜࡞ࡗࡓࠋᕤሙࣀࣥࢫ࢝ࣛࢵࣉ࡛࠶ࡿ %1 ヨ㦂యࡣࠊ඲ヨ㦂యࡢ୰࡛᭱ࡶ㐜࠸ FįS ᅇ┠ࡢ㸩᪉ྥ㍕Ⲵ᫬࡟ ȘV  ࡛◚᩿ࡋࡓ 7<3( ( ࠋࡑࡢḟ࡟ G ࠊH ࡢࣇ࢕ࣞࢵࢺṧࡋ PP ࡛࠶ࡿ %)Bࠊ%)B ヨ㦂యࡀࡑࢀࡒࢀ FįS ᅇ┠ࡢ㸩᪉ྥ㍕Ⲵ᫬࡟ࡑࢀࡒࢀ ȘV ࠊȘV  ࡛◚᩿ࡋ
ࡓ 7<3(( ࠋI ࡢࣇ࢕ࣞࢵࢺ PP ṧࡋ࡛࠶ࡿ %)B ヨ㦂యࡣ FįS ᅇ┠ࡢ㸫᪉ྥ㍕Ⲵ᫬࡟ ȘV ࡛◚᩿ࡋࡓ 7<3( ( ࠋE ࠊF ࡢᅾ᮶ᕤἲ࡛࠶ࡿ %6ࠊ%6 ヨ㦂యࡣ FįS ᅇ┠ࡢ㸫᪉ྥ㍕Ⲵ᫬࡟ࡑࢀࡒࢀ ȘV ࠊȘV  ࡛◚᩿ࡋࡓ %6 ࡣ 7<3( )ࠊ%6 ࡣ 7<3( 6 ࠋJ ࡢ㗰∦ᤄධ࡛࠶ࡿ
%6B3 ヨ㦂యཬࡧ K ࡢ࣑ࢽࢫ࢝ࣛࢵࣉ࡛࠶ࡿ %0 ヨ㦂యࡣᅾ᮶ᕤἲ࡜ྠᵝ࡟ FįS ᅇ┠ࡢ㸫᪉ྥ
㍕Ⲵ᫬࡟ࡑࢀࡒࢀ ȘV ࠊȘV  ◚᩿ࡋࡓ %6B3 ࡣ 7<3(.ࠊ%0 ࡣ 7<3(( ࠋࡲ࡜ࡵ  ࣇ࢕ࣞࢵࢺṧࡋ࡟ࡘ࠸࡚ࠊ6$: 㒊ࡀ - ࡢሙྜ࡜ - ࡢሙྜ࡛ኚᙧ⬟ຊ࡟ᕪࡣぢࡽࢀ࡞࠿ࡗࡓࠋᮍ⁐╔㛗ࡉࡀ PP ࡢሙྜࠊࢫ࢝ࣛࢵࣉᗏ࠿ࡽ◚᩿ࡋ࡚ ȘV ࠊᮍ⁐╔㛗ࡉࡀ PP ࡢሙྜࡣ࢚ࣥࢻࢱࣈࢆ㉳Ⅼ࡜ࡋ࡚◚᩿ࡋ࡚ ȘV  ࡜࡞ࡿࡓࡵࠊࣇ࢕ࣞࢵࢺṧࡋࢹ࢕ࢸ࣮ࣝࡣᮍ
⁐╔㛗ࡉࡢᙳ㡪ࢆཷࡅࡿࡇ࡜ࡀุ᫂ࡋࡓࠋ  㗰∦ᤄධࡣ㗰∦ୗ㒊ࡢ㝮⫗⁐᥋ࡀᰕࡲ࡛⁐᥋ࡉࢀ࡚࠸ࡿ࡜ ȘV  ࡜༑ศ࡞ኚᙧ⬟ຊࢆ♧ࡍࡀࠊᰕࡲ࡛⁐᥋ࡉࢀࡎᰕ࡜㝮⫗⁐᥋࡟㝽㛫ࡀ⏕ࡌࡿ࡜ ȘV  ࡜࡞ࡾࠊኚᙧ⬟ຊࡀࢃࡎ࠿࡟ప
ୗࡍࡿࠋ㸦ඹྠ◊✲ศ㔝㸸᥋ྜタィᏛศ㔝㸧− 185 −

㧗ᙇຊ㗰ᯈ㔜ࡡࡍࡳ⫗⁐⥅ᡭࡢ⑂ປᙉᗘྥୖ࡟ᑐࡍࡿ
࣍ࢵࢺ࣡࢖࣭࣮ࣖࣞࢨ⁐᥋᮲௳ࡢᙳ㡪ᗈᓥ኱Ꮫ኱Ꮫ㝔ᕤᏛ◊✲⛉  ᒣᮏඖ㐨㸪㮵 ᬛ㍤
 ⥴ゝ ⮬ື㌴〇㐀࡟࠾࠸࡚㸪㍍㔞໬ࢆ┠ⓗ࡜ࡋࡓ㧗ᙇຊ࣭㉸㧗ᙇຊ㗰ᯈࡢ㐺⏝ࡀᣑ኱ࡋ࡚࠸ࡿ㸬ࡋ࠿ࡋ㸪⮬ື㌴⏝㧗ᙇຊ㗰ᯈ࡟᪤Ꮡࡢ࢔࣮ࢡ⁐᥋ࡸ࣮ࣞࢨ⁐᥋ࢆ㐺⏝ࡍࡿሙྜ㸪ள㖄ࡵࡗࡁࡢ⵨Ⓨ࡟ࡼࡿḞ㝗ࡢⓎ⏕ࡸ㸪⇕ᙳ㡪㒊ࡢ㌾໬㸪⑂ປᙉᗘపୗ࡞࡝ࡢၥ㢟ࡀ⏕ࡌࡿ㸬ᮏ◊✲࡛ࡣ㸪࣡࢖ࣖ⁐⼥࡜ẕᮦ⁐⼥ࡢ⊂❧ไᚚࡀྍ⬟࡛࠶ࡾ㸪పධ⇕࣭㧗⬟⋡࡞⁐᥋ࡀྍ⬟࡛࠶ࡿ࣍ࢵࢺ࣡࢖࣭࣮ࣖࣞࢨ⁐᥋࡟╔┠ࡋࡓ㸬ᮏሗ࿌࡛ࡣ㸪࣍ࢵࢺ࣡࢖࣭࣮ࣖࣞࢨ⁐᥋ࢆ㐺⏝ࡋࡓሙྜࡢ㸪⮬ື㌴⏝㧗ᙇຊ㗰ᯈ㔜ࡡࡍࡳ⫗⥅ᡭࡢ⑂ປᙉᗘ
ྥୖ࡟ࡘ࠸᳨࡚ウࢆ⾜ࡗࡓࡢ࡛ሗ࿌ࡍࡿ㸬౪ヨᮦᩱ࠾ࡼࡧᐇ㦂᪉ἲ ౪ヨᮦᩱ࡜ࡋ࡚㸪ẕᮦ࡟ࡣ⾲㠃࡟ள㖄ࡵࡗࡁࡀ᪋ࡉࢀࡓ 03D ⣭㧗ᙇຊ㗰ᯈ㸦ᯈཌ PP㸧ࢆ㸪ῧຍ࣡࢖ࣖ࡟ࡣ 03D⣭ 㧗 ᙇ ຊ 㗰 ⏝ ⁐ ᥋ ࣡ ࢖ ࣖ -,6 =
*$01&07㸦ȭPP㸧ࢆ౑⏝ࡋࡓ㸬ᐇ㦂ࡢᴫせࢆ )LJ  ࡟㸪ᐇ㦂᮲௳ࢆ 7DEOH ࡟♧ࡍ㸬୺⇕※࡟ࡣ༙ᑟయ࣮ࣞࢨࢆ⏝࠸㸪⁐᥋㏿ᗘ࠾ࡼࡧ࣡࢖ࣖ㏦⤥㏿ᗘࢆኚ໬ࡉࡏ࡚ᐇ㦂ࢆ⾜ࡗࡓ㸬࣡࢖ࣖ㟁ὶࡣ㸪࣡
࢖ࣖ㏦⤥㏿ᗘ࡟ᛂࡌࡓ㐺ṇ್࡜ࡋࡓ㸬)LJ([SHULPHQWDOVHWXS

7DEOH ࡟㸪ẚ㍑ࡢࡓࡵ࡟ᐇ᪋ࡋࡓ 0$* ⁐᥋᮲௳ࢆ♧ࡍ㸬 ẕᮦ㗰ᯈࢆ PP ࡟ษ᩿ᚋ㸪 ᯛࡢ㗰ᯈࢆ PP 㔜ࡡ

7DEOH :HOGLQJFRQGLWLRQVIRUKRWZLUHODVHUZHOGLQJ࡚タ⨨ࡋ㸪⾲⿬㠃  ⟠ᡤࡢࡍࡳ⫗㒊࡟ᑐࡋ࡚⁐᥋ࢆ⾜ࡗࡓ㸬⁐᥋

Laser power (kW)6ᚋ㸪⁐᥋᪉ྥ࡟ᑐࡋ࡚ᆶ┤᪉ྥ࡟ᖜ  PP ࡢ㛫㝸࡛ᨺ㟁ຍᕤ࡟

Defocus length (mm)80ࡼࡾ⑂ປヨ㦂∦ࢆษฟࡋ౪ヨࡋࡓ㸬⑂ປヨ㦂ࡣ㸪㟁ẼἜᅽᘧࢧ࣮

Laser spot diameter (mm)9.0࣎ࣃࣝࢧࢆ⏝࠸࡚ᐊ

Welding speed (m/min)

1.0,1.5

Wire current (A)119-191

Wire feeding speed (m/min)

4.0-12.0

Sheets gap (mm)0࣭኱Ẽ୰࡟࡚ᐇ᪋ࡋࡓ㸬Ⲵ㔜ẚ㸦3PLQ 

3PD[㸧ࡣ 㸪⧞㏉ࡋ࿘Ἴᩘࡣ a +] ࡜ࡋࡓ㸬࡞࠾ヨ㦂∦ࡀ᏶඲࡟ศ㞳ࡋࡓ≧ែࢆ◚᩿࡜ᐃ⩏ࡋ㸪ヨ㦂ᡴษࡾᅇᩘࡣ F\FOHV ࡜ࡋࡓ㸬ᐇ㦂⤖ᯝ࠾ࡼࡧ⪃ᐹ ྛ⁐᥋᮲௳࡛స〇ࡋࡓࡍࡳ⫗⁐᥋㒊ࡣ㸪㏦⤥ẚ㸦࣡࢖ࣖ㏦⤥㏿ᗘ㸭⁐᥋㏿ᗘ㸧࠾ࡼࡧ⁐᥋㏿ᗘࢆኚ໬ࡉࡏࡓ㸬ẚ㍑ࡢࡓࡵ㸪
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Wire Current(A)240Wire Voltage(V)24

Welding speed (m/min)1

 ࣍ࢵࢺ࣡࢖࣭࣮ࣖࣞࢨ⁐᥋࡛స〇ࡋࡓ᩿㠃ࡣ㸪ྛ⁐᥋㏿ᗘ࡟

Sheets gap (mm)0.3

࠾࠸࡚㏦⤥ẚࢆㄪᩚࡍࡿࡇ࡜࡛㸪Ṇ➃㒊ᙧ≧ࢆไᚚ࡛ࡁࡿࡇ࡜

Shielding gas

Ar+20%CO2− 186 −

ࡀ᫂ࡽ࠿࡟࡞ࡗࡓ㸬࣍ࢵࢺ࣡࢖࣭࣮ࣖࣞࢨ⁐᥋ࢆForce amplitude,Pa [kN]9⏝࠸ࡿࡇ࡜࡛㸪⁐᥋᮲௳ࡢタᐃ⮬⏤ᗘࡀ㧗ࡲࡾ㸪

8

HL1

7

HL2

6

MAG

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㒊࡛ࡢ⼥ྜࢆ☜ಖࡋࡘࡘ㸪Ṇ➃㒊ᙧ≧ࡢᨵၿ㸪ẕᮦ⁐⼥㔞ࡢపῶࡀᐇ⌧ྍ⬟࡛࠶ࡿࡇ࡜ࡀศ࠿ࡗ

5

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4

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3༙ᚄࢆᚓࡿࡇ࡜ࡀ࡛ࡁ࡚࠾ࡾ㸪Ṇ➃㒊࡛ࡢᛂຊ㞟

2୰ࡢపῶ࠾ࡼࡧ⑂ປᙉᗘࡢྥୖࡀᮇᚅ࡛ࡁࡿ㸬1 ୍᪉㸪୍⯡ⓗ࡞ 0$* ⁐᥋࡛ࡣ㸪࢔࣮ࢡ㟁ὶ࡜⊂❧ࡋࡓ࣡࢖ࣖ㏦⤥㏿ᗘࡢไᚚࡣᅔ㞴࡛࠶ࡾ㸪
ࡢ

0
104

105
106
107
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ࣜࢳ࣒࢘࢖࢜ࣥ஧ḟ㟁ụࡢṇᴟά≀㉁࡜ࡋ࡚ LiCoO2 ࡀࡇࢀࡲ࡛ከࡃ◊✲ࡉࢀࠊ฼⏝ࡉࢀ࡚࠸ࡿࠋLiCoO2 ࡣ Li
࡜ Co ࡢᒙ≧ᵓ㐀ࢆ᭷ࡍࡿᮦᩱ࡛࠶ࡿࠋᚑ᮶ࡢṇᴟస〇࡛ࡣࠊά≀㉁㛫࠾ࡼࡧά≀㉁࡜ᅛయ㟁ゎ㉁࡜ࡢ⏺㠃᢬ᢠࢆῶࡽࡍࡓࡵ࡟⢏ᚄ 10 ȝm ௨ୖࡢ LiCoO2 ⢊య࡜ᚤ⣽࡞㯮㖄࡜ࡢΰྜ⢊య࠿ࡽ㧗ᅽᡂᙧࡀ⾜ࢃࢀࡓࡾࠊLiCoO2 ༢య࡛ࡣ࣍ࢵࢺࣉࣞࢫ↝⤖ࡀ⾜ࢃࢀࡓࡾࡋ࡚࠸ࡿࠋ◊✲㛤Ⓨࡀ㐍ࡴ㓟໬≀඲ᅛయ㟁ụ࡟࠾࠸࡚ࡣࠊ௒ᚋ㔞⏘ᛶࢆ┠ᣦࡋ࡚ࠊࢭ࣑ࣛࢵࢡࢫ〇㐀୍࡛⯡ⓗ࡞⢊యࣉࣟࢭࢫ࡛ࡢ⦓ᐦ࡛ᚤᵓ㐀ࡀไᚚࡉࢀࡓ㟁ᴟࡢస〇ࡀᮇᚅࡉࢀ࡚࠸ࡿࠋࡋ࠿
ࡋࠊLiCoO2 ⢊యࢆ⏝࠸ࡓ〇㐀ࣉࣟࢭࢫ࡟࠾࠸࡚ࠊ⢊య≉ᛶࠊᡂᙧࠊཬࡧ↝⤖࡟㛵ࡍࡿᇶ♏ⓗ࡞▱ぢ࡟ࡘ࠸࡚ࡢሗ
࿌౛ࡣᑡ࡞࠸ࠋཎᩱࡢᛶ≧ࡣᡂᙧయࡢᵓ㐀ཬࡧ↝⤖ᛶ࡟ᙳ㡪ࢆཬࡰࡋࠊ᭱⤊ⓗ࡟ࡣ㟁ụࡢᛶ⬟࡟ࡶᙳ㡪ࢆཬࡰࡍ࡜᥎ ࡉࢀࡿࠋࡑࡇ࡛ᮏ◊✲࡛ࡣࠊLiCoO2 ⢊యࢆ୍⯡ⓗ࡞ᅛ┦ἲ࡛ྜᡂࡋࠊᡂᙧࠊ↝⤖࡟ࡘ࠸᳨࡚ウࢆ⾜࠺ࡇ࡜ࢆ┠ⓗ࡜ࡋࡓࠋࢭ࣑ࣛࢵࢡࢫࡢ〇㐀ࡢ⢊యࣉࣟࢭࢫ࡟࠾࠸࡚௦⾲ⓗ࡞ࣉࣞࢫᡂᙧ࡛ࡣࠊྜᡂࡉࢀࡓ୍ḟ⢏Ꮚࢆ㐀⢏ࡋࠊࡑࡢ඘ሸ࡜ᅽᐦ࡟ࡼࡾᡂᙧయࢆస〇ࡍࡿࠋᡂᙧయ࡛ࡢ┦ᑐᐦᗘࡣᴫࡡ 55-60㸣ࠊ↝⤖ࡍࡿ࡜ 95㸣௨ୖࡲ࡛⦓
ᐦ໬ࡍࡿࠋᮏ◊✲࡛ࡣ⢏ᗘࡢ␗࡞ࡿ LiCoO2 ⢊యࢆㄪ〇ࡋࠊᡂᙧ࠾ࡼࡧ↝⤖≉ᛶ࡟ࡘ࠸᳨࡚ウࡋࡓࠋ
2. ᐇ㦂᪉ἲཎᩱ࡟ࡣ㧗⣧ᗘࡢ Co3O4 ⢊࠾ࡼࡧ Li2CO3 ⢊㸦࠸ࡎࢀࡶ㧗⣧ᗘ⛉Ꮫ〇㸧ࢆ⏝࠸ࡓࠋᡤᐃ㔞⛗㔞ᚋࠊ2-ࣉࣟࣃࣀ࣮
ࣝ୰࡛࣮࣑࣎ࣝࣝΰྜࡋࡓࠋ┿✵஝⇱࡟ࡼࡾ⁐፹ࢆ㝖ཤࡋࡓᚋࠊᅛ┦཯ᛂἲ࡟ࡼࡾ LiCoO2 ⢊ᮎࢆྜᡂࡋࡓࠋྜᡂ
ᗘࡣ 700 C ࡛ 7 ᫬㛫ಖᣢࠊ࠶ࡿ࠸ࡣ 550 C ࡛ 1 ᫬㛫ಖᣢࡋ࡚཯ᛂࡉࡏࡓࠋࡑࢀࡒࢀࡢྜᡂ⢊ࢆ 2-ࣉࣟࣃࣀ࣮
ࣝࢆ⏝࠸࡚ 2 ᫬㛫⢊○ࡋࡓࠋ550C ࡛ྜᡂࡋࡓ⢊య࡛ࡣ 24 ᫬㛫࡛࣮࣑࣎ࣝࣝ⢊○ࡶ⾜ࡗࡓࠋ⢊యࡢ⢏Ꮚᚄศᕸࢆ
ᐃࡋࠊẚ⾲㠃✚ࢆ❅⣲྾╔ἲ࡛ồࡵࠊࡲࡓ⢏Ꮚᙧ≧ࢆ㉮ᰝᆺ㟁Ꮚ㢧ᚤ㙾࡛ほᐹࡋࡓࠋྜᡂ⢊ࢆ⏝࠸࡚ࣉࣞࢫᡂᙧ࡟࠾ࡼࡾᡂᙧయࢆస〇ࡋࠊ↝⤖཰⦰ࢆ ᐃࡋࡓࠋᡂᙧయࡢస〇࡛ࡣࠊࡲࡎங㖊୰࡛ゎ○⢊࡟ࢫࢸ࢔ࣜࣥ㓟ࢆ Li2CO3 ⢊࡟ῧຍࡋࠊḟ࡟ࣂ࢖ࣥࢲ࡜ࡋ࡚࣏ࣜࣅࢽࣝࣈࢳ࣮ࣛࣝࢆῧຍࡋ࡚ΰྜᚋࠊ┠㛤ࡁ
50 ȝm ࡢ⠠࠸ࢆ⏝࠸࡚㐀⢏ࡋࡓࠋᡂᙧ㔠ᆺ࡟ࡣ┤ᚄ 1cm ࡢ㉸㗰〇㔠ᆺࢆ⏝࠸࡚ᅽຊ 200MPa ୍࡛㍈ຍᅽᡂᙧࡋ࡚
ᡂᙧయࢆస〇ࡋࡓࠋ↝⤖࡟ඛ❧ࡕࠊ⇕ᶵᲔศᯒ⿦⨨ࢆ⏝࠸࡚↝⤖཰⦰⋡ࢆ ᐃࡋࡓࠋᡂᙧయࢆ 400 C ࡛⬺⬡ᚋࠊ↝⤖ ᗘ 800 C ࠿ࡽ 1000 C㸪ಖᣢ᫬㛫 9 ᫬㛫࡛↝⤖ࢆ⾜ࡗࡓࠋ

(a)

(b)

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(c)

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Fig.1 ⢏Ꮚࡢ㟁Ꮚ㢧ᚤ㙾෗┿ࠋ(a) 550 C ྜᡂᚋ 24 ᫬㛫⢊○ࠊ(b) 550 C ྜᡂᚋ 2 ᫬㛫⢊○ࠊ(c)700 C ྜᡂ⢊ࠋ− 214 −

⢏Ꮚᚄ / ȝmFig.2 ⢏ᗘศᕸࠋ (a) 550 Cࠊ24 ᫬㛫
⢊ ○ࠊ (b) 550 C ࠊ 2 ᫬ 㛫 ⢊○ࠊ(c)700 C ྜᡂ⢊ࠋ

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ヨᩱࡢᑍἲኚ໬㸦ǻl /l 㸧/ 㸫ヨᩱࡢ┦ᑐᐦᗘ / 㸣ヨᩱࡢᑍἲኚ໬㸦ǻl /l 㸧/ 㸫

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550 °Cࠊ24 ᫬㛫⢊○ࠊ⢊○(b) 550 °Cࠊ2 ᫬㛫⢊○ࠊ(c)700 °C ྜᡂ⢊ࠋ

Fig. 4 ྛ↝⤖యࡢ┦ᑐᐦᗘ࡜ᑍἲኚ໬ࠋ(a) 550 °Cࠊ24᫬㛫⢊○㸦◚⥺㸧ࠊ(b) 550 °Cࠊ2 ᫬㛫⢊○㸦୍Ⅼ㙐⥺㸧ࠊ(c) 700 °C ྜᡂ⢊㸦ᐇ⥺㸧ࠋ

3. ᐇ㦂⤖ᯝ
 Fig. 1 ཬࡧ Fig. 2 ࡟ྜᡂ ᗘ 550 |C ࡛ྜᡂᚋ࡟⢊○ࢆ 2 ᫬㛫ཬࡧ 24 ᫬㛫⾜ࡗࡓ⢊యࠊ
ཬࡧ 700|C ࡛ྜᡂᚋࠊ
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ᚤ⢊࠿ࡘ⢏ᗘࡀ⊃࠸⢊య࠿ࡽస〇ࡋࡓヨᩱࡢ᪉ࡀ↝⤖࡟㐺ࡍࡿࡇ࡜ࢆ♧ࡋ࡚࠸ࡿࠋᐇ㝿࡟ᡂᙧయࢆస〇ࡋࠊྛ↝⤖ ᗘ࡛ 9 ᫬㛫ಖᣢࡋࡓヨᩱࡢ⤖ᯝࢆ Fig. 4 ࡟♧ࡍࠋFig. 3 ࡜ྠᵝࡢഴྥࢆ♧ࡋࠊ550 |C ࡛ྜᡂࡋ 2 ᫬㛫⢊○ฎ⌮ࡋࡓ⢊య࡟࠾࠸࡚ࠊ᭱ࡶప ࡛↝⤖ࡀ㐍ࡳࠊ950 C ࡛ 94㸣ࠊ1000 C ࡛ 97.3㸣࡟㐩ࡋࡓࠋࡇࢀࡽࡢᚤᵓ㐀ࢆ Fig. 5 ࡟♧ࡍࠋ࠸ࡎࢀࡢヨᩱ࡛ࡶᚤ⣽࡛⦓ᐦ࡞ᵓ㐀࡜࡞ࡿࡀࠊ୰࡛ࡶᚤ⣽࡛⢏ᗘศᕸࡢ⊃࠸⢊య࡛స〇ࡋࡓᡂᙧయࢆ↝⤖ࡍࡿ࡜ࠊ↝⤖ ᗘ 950 C ࡛⤖ᬗ⢏Ꮚᚄࡀ 2 ȝm ௨ୗࡢẚ㍑ⓗ⦓ᐦ࡞ᵓ㐀࡜࡞ࡗࡓࠋ

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Ỉ⇕࣍ࢵࢺࣉࣞࢫࢆ฼⏝ࡋࡓࢼࣀከᏍయᮦᩱ〇㐀ࣉࣟࢭࢫ࡟㛵ࡍࡿ◊✲ 㧗▱኱Ꮫ⌮ᕤᏛ㒊㝃ᒓỈ⇕໬Ꮫᐇ㦂ᡤᰗ⃝ ࿴㐨 ┠ⓗỈ⇕࣍ࢵࢺࣉࣞࢫἲ㸦K\GURWKHUPDOKRWSUHVVLQJPHWKRG㸹++3㸧ࡣ㸪Ỉ⇕᮲௳ୗ࡟࠶ࡿ⢊యヨᩱࢆእ㒊࠿ࡽຍᅽࡋ࡚ᅽ⢊యࢆᚓࡿ᪉ἲ࡛࠶ࡿࠋᮏᡭἲࡢ≉ᚩࡢ୍ࡘ࡟㸪Ⅳ㓟ሷࡸỈ㓟໬≀࡞࡝ࡢ㧗ᐜ᫆࡟ศゎࡋ࡚ࡋࡲ࠺ᮦᩱࡢᅛ໬యࢆప

↝ᡂ࡟ࡼࡿ↝⤖࡛ࡣ࡛స〇࡛ࡁࡿⅬࡀ࠶ࡿࠋࡲࡓ㸪ࡇࢀࡽ‽Ᏻᐃ໬ྜ≀ࡣ⇕ฎ⌮ࡸ㓟࣭ሷᇶฎ⌮࡞࡝ࢆ᪋ࡍࡇ࡜࡛㸪⬺Ⅳ㓟཯ᛂࡸ⬺Ỉ཯ᛂࢆక࠸࡞ࡀࡽ㸪ࡼࡾ⇕ຊᏛⓗ࡟Ᏻᐃ࡞໬ྜ≀࡬࡜ኚ᥮ࡍ
ࡿࠋࡇࡢศゎ㐣⛬࡛Ⓨ⏕ࡋࡓẼయᡂศࡣᮦᩱෆ࡟ᚤ⣽࡞ẼᏍࢆᙧᡂࡍࡿࡇ࡜࠿ࡽ㸪++3 ࡟ࡼࡾస〇ࡋࡓ‽Ᏻᐃ໬ྜ≀ࡢᅛ໬యࢆ๓㥑య࡜ࡋࡓࢼࣀከᏍయᮦᩱࡢస〇ࡀྍ⬟࡟࡞ࡿ࡜⪃࠼ࡽࢀࡿࠋࡑࡇ࡛ᮏ◊✲࡛ࡣ㸪
0Q&2 ࡢᅛ໬యࢆ ++3 ࡟ࡼࡾస〇ࡋ㸪ᅛ໬యࢆᐦ㛢ᐜჾෆ࡛ +2 ⵨Ẽ࡟᭚ࡍࡇ࡜࡛ከᏍయࢆᚓࡿ〇㐀ࣉࣟࢭࢫࢆ⪃᱌㸪᳨ウࡋࡓࠋ ◊✲᪉ἲཎᩱ࡜࡞ࡿ 0Q&2 ࡣ⁐ᾮἲ࡟ࡼࡾㄪ〇ࡋ㸪࣓ࢪ࢔ࣥᚄࡀ⣙ P ࡢ⌫≧⢏Ꮚࢆᚓࡓࠋ++3 ࡟ࡼࡿ 0Q&2 ᅛ໬యࡢస〇࡟ࡣ㸪ෆᚄ  PP ࡢ෇⟄ᙧᐜჾ࡜୧➃࠿ࡽຍᅽࡍࡿࡓࡵࡢࣆࢫࢺࣥࢆഛ࠼
ࡓ཯ᛂᐜჾࢆ౑⏝ࡋࡓࠋཎᩱ⢊య J ࡟ᑐࡋ⣧Ỉࢆ P/ ῧຍࡋ㸪ங㖊࡛ΰྜࡋࡓࠋ‵₶⢊యࢆ෇⟄ᐜჾ࡟඘ሸࡋ㸪03D ࡢ୍ᐃᅽຊୗ㸪&PLQ ࡛ & ࡲ࡛᪼ࡋ㸪K ಖᣢࡍࡿࡇ࡜࡛ᅛ໬యࢆస〇ࡋࡓࠋᅛ໬యࢆྲྀࡾฟࡋ㸪& ࡢ஝⇱ჾ࡛஝⇱ࡉࡏࡓࠋస
〇ࡋࡓ 0Q&2 ᅛ໬యࡣ㸪ࡢ +2 Ỉ⁐ᾮ P/ ࢆධࢀࡓ࣮࢜ࢺ
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)LJ6FKHPDWLFLPDJHRIK\GURWKHUPDOYDSRUWUHDWPHQW㟁Ꮚ㢧ᚤ㙾㸦6(0㸧ࢆ⏝࠸࡚⾜ࡗࡓࠋ ◊✲⤖ᯝ
0Q&2 ⌫≧⢏Ꮚ࠿ࡽ࡞ࡿ ++3 ᅛ໬యࡢ 6(0 ീࢆ )LJ ࡟♧ࡍࠋ++3 ᚋࡶ 0Q&2 ࡢ⌫≧ᙧែࡣ⥔ᣢࡉࢀ࡚࠾ࡾ㸪ẚ㍑ⓗ⦆ࡃ᥋ྜࡋ࡚࠸ࡿᵝᏊࡀほᐹࡉࢀࡓࠋࡲࡓ㸪⌫≧⢏Ꮚ⾲㠃࡟⧄⥔≧ࡢ⏕ᡂ≀ࡀほᐹࡉࢀࡓࠋ;5'ᐃࡢ⤖ᯝ㸪0Q&2 ௨እࡢ⤖ᬗ┦ࡣㄆࡵࡽࢀࡎ㸪⌧ᅾࡲ࡛ࡢ࡜ࡇࢁࡇࡢ⧄⥔≧⏕ᡂ≀ࡢྠᐃ࡟ࡣ⮳ࡗ࡚࠸࡞࠸ࠋᚓࡽࢀࡓ 0Q&2 ᅛ໬యࡢ┦ᑐ࠿ࡉᐦᗘࡣ ࡛࠶ࡗࡓࠋ
0Q&2 ᅛ໬యࡢ +2 ⵨Ẽฎ⌮ࢆ⾜ࡗࡓ࡜ࡇࢁ㸪)LJ  ࡟♧ࡍࡼ࠺࡟⧄⥔≧⤌⧊࠿ࡽ࡞ࡿࢼࣀ࣐࢖
ࢡࣟከᏍయࡀᚓࡽࢀࡓࠋ;5' ศᯒࡢ⤖ᯝ㸪୺⤖ᬗ┦ࡣ 0Q22+ ࡛࠶ࡗࡓࡇ࡜࠿ࡽ㸪ḟᘧ࡛♧ࡍࡼ࠺

)LJ6(0LPDJHRIWKH++3SUHSDUHG0Q&2FRPSDFW− 228 −)LJ6(0LPDJHVRIWKHK\GURWKHUPDOO\WUHDWHG0Q22+FRPSDFW࡟㸪0Q&2 ࡀ +2 ⵨Ẽ࡟ࡼࡿ㓟໬཯ᛂ࡟ࡼࡗ࡚ศゎࡋࡓ࡜⪃࠼ࡽࢀࡿࠋ
0Q&2+2ĺ0Q22+&2ᚓࡽࢀࡓከᏍయࡢᚤᵓ㐀ࡣ㸪ඖࡢ 0Q&2 ࡢ⌫≧ᙧែࢆ㦵᱁࡜ࡋ࡚ṧࡋࡘࡘ㸪0Q22+ ⧄⥔≧⢏Ꮚࡀ」㞧࡟⤡ࡳྜࡗࡓᵓ㐀ࢆ࡜ࡗࡓࠋస〇ࡋࡓከᏍయࡣ⬤ࡃ࡞ࡃ㸪ᙉᗘࢆ᭷ࡋ࡚࠸ࡿࡇ࡜ࡀศ࠿ࡗࡓࠋࡇࡢࡼ࠺࡞⧄⥔≧ከᏍ⌫࠿ࡽᡂᙧయࢆస〇ࡍࡿࡢࡣᅔ㞴࡛࠶ࡿࡓࡵ㸪++3 ἲࢆ௓ࡋࡓ  ẁ㝵స〇ᡭἲࡣ᭷⏝࡛࠶ࡿ࡜⪃࠼ࡽࢀࡿࠋ ⤖ㄽ
ᮏᖺᗘࡣ㸪++3 ࢆ฼⏝ࡋࡓ 0Q&2 ᡂᙧయࡢస〇࡜㸪ᘬࡁ⥆ࡃỈ⇕⵨Ẽฎ⌮࡟ࡼࡿከᏍయᙧᡂ࡬ࡢ᳨ウࢆ㐍ࡵࡓࠋࡑࡢ⤖ᯝ㸪0Q&2 ᡂᙧయࢆ +2 ⵨Ẽ୰࡛ฎ⌮ࡍࡿ࡜㸪0Q&2 ⢏Ꮚࡢ⌫≧ᙧែࢆ㦵᱁࡜ࡋࡓ 0Q22+⧄⥔≧ᵓ㐀࡬࡜ኚ᥮ࡍࡿࡇ࡜࡟ᡂຌࡋࡓࠋ⧄⥔≧ᵓ㐀ࡀ」㞧࡟⤡ࡳྜ࠺ࡇ࡜࡛㸪ࢼࣀ࣐࢖ࢡࣟࡢ⣽Ꮝᵓ㐀ࢆ᭷ࡋࡓከᏍయࡀస〇࡛ࡁࡓࠋ
㸦ඹྠ◊✲ศ㔝㸸ࢫ࣐࣮ࢺࢥ࣮ࢸ࢕ࣥࢢࣉࣟࢭࢫᏛศ㔝㸧

− 229 −

ࢥ࣮ࣝࢻࢫࣉ࣮ࣞἲࢆ⏝࠸ࡓࣇࢵ⣲⣔࣏࣐࣮ࣜᡂ⭷ᢏ⾡ࡢ㛤Ⓨᮾ໭኱Ꮫ኱Ꮫ㝔ᕤᏛ◊✲⛉ᑠᕝ࿴ὒ, :HVOH\ $QDN /RFN 6XOHQ኱㜰኱Ꮫ᥋ྜ⛉Ꮫ◊✲ᡤ᱒ཎ⪽⚽㸯㸬ࡣࡌࡵ࡟
ࢥ࣮ࣝࢻࢫࣉ࣮ࣞ &6 ἲ࡜࿧ࡤࢀࡿᅛ┦ᡂ⭷ᢏ⾡ࢆ⏝࠸ࡓࣇࢵ⣲⣔ᶞ⬡ࢥ࣮ࢸ࢕ࣥࢢࡢ
㛤Ⓨ࡟╔ᡭࡋࡓ㸬&6 ἲࢆ⏝࠸㸪ࣇࢵ⣲⣔ᶞ⬡ࡢࡳࢆᡂ⭷ࡍࡿࡇ࡜ࡣᴟࡵ࡚ᅔ㞴࡛࠶ࡗࡓࡇ
࡜࠿ࡽ㸪άᛶ࡞ࢼࣀࢭ࣑ࣛࢵࢡ⢏Ꮚࢆῧຍࡋ㸪ᅛ┦ࡢࡲࡲ࡛ࡢᡂ⭷ࡢྍ⬟ᛶࢆ᳨ウࡋࡓ㸬㸰㸬ᐇ㦂᪉ἲ
ࢥ࣮ࢸ࢕ࣥࢢᮦ࡟ࡣ㸪ᅄࣇࢵ໬࢚ࢳࣞࣥ㺃භࣇࢵ໬ࣉࣟࣆࣞࣥඹ㔜ྜయ )(3 ࠾ࡼࡧ࣌ࣝࣇ
ࣝ࢜ࣟ࢔ࣝࢥ࢟ࢩࣇࢵ⣲ᶞ⬡ 3)$ ࡢ  ✀㢮ࡢࣇࢵ⣲⣔ᶞ⬡ࢆ⏝࠸ࡓ㸬ᇶᮦ࡟ࡣ 686 ࢆ㸪άᛶ໬ࡢࡓࡵࡢࢭ࣑ࣛࢵࢡࢫ࡟ࡣࣇ࣮࣒ࣗࢻࢼࣀ࢔࣑ࣝࢼ )1$ ࢆ⏝࠸㸪)(3 ࠶ࡿ࠸ࡣ 3)$࡜⁐ᾮෆ࡛ΰྜࡉࡏࡓ㸬౑⏝ࡋࡓࣇࢵ⣲⣔ᶞ⬡ࢆ࠾ࡼࡧࢼࣀࢭ࣑ࣛࢵࢡ⢏Ꮚࡢㅖ≉ᛶࢆ
7DEOH ࡟♧ࡍ㸬ࡲࡓ㸪ᡂ⭷ࡣ㸪పᅽࢥ࣮ࣝࢻࢫࣉ࣮ࣞࢆ⏝࠸㸪 ᗘ࠾ࡼࡧᅽຊࢆணഛヨ㦂࡟ࡼࡾ㸪᭱㐺໬ࡋ㸪ᮏヨ㦂ࢆ⾜ࡗࡓ㸬Table 1 Properties of FEP, PFA and FNA powders㸱㸬ᐇ㦂⤖ᯝ ⣬㠃ࡢ㒔ྜୖ㸪ࡇࡇ࡛ࡣ PFA ⢏Ꮚࡢ⤖ᯝࡢࡳࢆ⤂௓ࡍࡿ㸬Fig.1 ࡟㸪PFA ࡢࡳ࠾ࡼࡧ PFA
࡟ FNA ࢆຍ࠼ࡓ⢏Ꮚࡢእほ SEM ほᐹ౛ࢆ♧ࡍ㸬ᅗࡼࡾ㸪5wt%ࡢ FNA ࢆῧຍࡋࡓ⢊ᮎ࡛ࡣ㸪PFA ⢏Ꮚୖ࡟㸪Ț-࢔࣑ࣝࢼࡀほᐹࡉࢀ㸪XRD ࡢゎᯒ⤖ᯝ࠿ࡽࡶ☜ㄆࡉࢀࡓ㸬ࡲࡓ㸪ࡇࡢ⢊ᮎࢆ⏝࠸㸪పᅽ CS ࡛ᡂ⭷ࡋࡓ⤖ᯝ㸪Fig.2 ࡟♧ࡍࡼ࠺࡟㸪⣙ 100m ཌࡢ PFA ࢥ࣮ࢸ− 230 −

࢕ࣥࢢࢆᚓࡿࡇ࡜ࡀ࡛ࡁࡓ㸬ࡇࢀࡣ㸪FNA ↓ῧຍ࡛ࡣ࡯࡜ࢇ࡝ᡂ⭷ࡀㄆࡵࡽࢀ࡞࠸ࡇ࡜࠿
ࡽ㸪FNA ῧຍ࡟ࡼࡿ⢏Ꮚ㛫⏺㠃ࡢᶵᲔⓗ࡞ᙉᗘࡢྥୖ࡜㸪ࣇ࣮࣒࡛ࣗ〇㐀ࡋࡓ࢔࣑ࣝࢼࡣ
Ỉ㓟ᇶࡢ⭎ࢆ᭷ࡍࡿࡇ࡜࠿ࡽỈ⣲⤖ྜࡢྍ⬟ᛶࡀ⪃࠼ࡽࢀࡓ㸬

Fig. 1 Particle evaluation by SEM, EDX and XRD

Fig. 2 PFA-FNA coating interlayers by cold spray㸲㸬ࡲ࡜ࡵ ᅛ┦ᡂ⭷ᢏ⾡࡛࠶ࡿࢥ࣮ࣝࢻࢫࣉ࣮ࣞἲࢆ⏝࠸㸪ࡇࢀࡲ࡛࡟ᡂ⭷ࡀᅔ㞴࡛࠶ࡗࡓࣇࢵ⣲⣔ᶞ⬡ࡢࢥ࣮ࢸ࢕ࣥࢢ࡟ᡂຌࡋࡓ㸬ࡇࢀࡣ㸪άᛶ࡞ࣇ࣮࣒ࣗࢻࢼࣀ࢔࣑ࣝࢼࢆࣇࢵ⣲⣔ᶞ⬡⢏Ꮚ⾲㠃࡟௜╔ࡉࡏࡿࡇ࡜࡟ࡼࡾ㸪ᶵᲔⓗ࡞ࡃࡉࡧຠᯝ࡜Ỉ㓟ᇶ࡟ࡼࡿ໬Ꮫⓗ࡞⤖ྜ࡟ࡼࡿࡶࡢ࡜⪃࠼ࡽࢀࡿ㸬௒ᚋࡣ㸪ࣇࢵ⣲⣔ᶞ⬡࡟ࡼࡿ㉸᧕Ỉ≉ᛶࡢ௜୚ࡸヲ⣽࡞௜╔࣓࢝ࢽࢬ࣒ࡢゎ᫂ࢆ⾜࠺㸬࠙ཧ⪃ᩥ⊩ ┬␎ࠚ‫ڠ‬ಋ‫ڂݜ‬෾໼ʁψόʀϜ΢έϫߑଆ੏‫ޜ‬ϕϫιηָ෾໼− 231 −

᣺ືⓎ㟁ࢆᣦྥࡋࡓࢭ࣑ࣛࢵࢡ࢚ࣞࢡࢺࣞࢵࢺࡢ㛤Ⓨᮾி⌮⛉኱ᏛᕤᏛ㒊 ⏣୰ඃᐇ኱㜰኱Ꮫ᥋ྜ⛉Ꮫ◊✲ᡤ ᱒ཎ⪽⚽┠ⓗ
 ㏆ᖺࠊ༙Ọஂⓗ࡟⾲㠃㟁Ⲵࢆಖᣢࡍࡿᮦᩱ࡛࠶ࡿࠕ࢚ࣞࢡࢺࣞࢵࢺࠖࢆⓎ㟁⣲Ꮚ࡜ࡋࡓ᣺ື㸭㟁ຊኚ᥮⣔࡛࠶ࡿ㟼㟁ᘧ᣺ືⓎ㟁ᶵࡢ㛤Ⓨ◊✲ࡀάⓎ໬ࡋ࡚࠸ࡿࠋࡇࡢⓎ㟁ᶵࡢᐇ⏝໬࡟ྥࡅࡓ᭱
኱ࡢㄢ㢟ࡣฟຊࡢྥୖ࡛࠶ࡾࠊࡇࡢࡓࡵ࡟ࡣฟຊ࡟ᑐࡋ࡚஧஌್࡛ᐤ୚ࡍࡿ࢚ࣞࢡࢺࣞࢵࢺࡢ⾲㠃㟁఩ࢆቑ኱ࡉࡏࡿࡇ࡜ࡀࡲࡎࡣ㔜せ࡜࡞ࡿ  ࠋヨసẁ㝵࡟࠶ࡿ㟼㟁ᘧ᣺ືⓎ㟁ᶵ࡟฼⏝ࡉࢀ࡚࠸ࡿ࣏࣐࣮ࣜ〇ࡢ࢚ࣞࢡࢺࣞࢵࢺࡢ⾲㠃㟁఩ࡣ᭱኱࡛ N9 ⛬ᗘ࡛࠶ࡿࡀࠊᡃࠎࡣࡇࢀࡲ࡛࡟ࠊᚤᑠ
࡞࢖࢜ࣥఏᑟᛶࢆ♧ࡍ࢜࢟ࢩỈ㓟࢔ࣃࢱ࢖ࢺࢭ࣑ࣛࢵࢡࢫ㸦2+$㸹&D 32  2+  ࡢ 2+Ḟ㝗య㸧ࢆຍ⇕ୗ࡛┤ὶ㟁⏺ฎ⌮ࡋࡓᚋ࡟㟁⏺ୗ࡛ᐊ ࡲ࡛෭༷ࡋࠊࣂࣝࢡෆ࡟࢖࢜ࣥఏᑟ࡟㉳ᅉࡍࡿᏳᐃ࡞ศᴟ≧ែࢆసࡾฟࡍ࡜࠸࠺ᡭἲ࡟ࡼࡾࠊs N9 ㉸ࡢ⾲㠃㟁఩ࢆ᭷ࡍࡿ࢚ࣞࢡࢺࣞࢵࢺࢆస〇ࡍࡿࡇ࡜࡟ᡂຌࡋ࡚࠸ࡿ  ࠋࡇࡢ㐣⛬࡛ࠊ2+$ ࢭ࣑ࣛࢵࢡࢫࢆస〇ࡍࡿ㝿ࡢ↝⤖ ᗘࡀ㧗࠸࡯࡝࢚ࣞࢡࢺࣞࢵࢺ໬ᚋࡢ⾲㠃㟁఩ࡀቑ኱ࡍࡿࡇ࡜ࡀぢ࠸ࡔࡉࢀࡓࡀࠊ↝⤖ ᗘ࡜⤌ᡂࡸ⤌⧊ᵓ㐀ཬࡧᖏ㟁≉ᛶࡢ㛵ಀ࡟ࡘ࠸࡚ᐃ㔞ⓗ࡞ホ౯࡟ࡣ⮳ࡗ࡚࠸࡞࠿ࡗࡓࠋࡑࡇ࡛ᮏ◊✲࡛ࡣࠊỈ⵨Ẽୗࡲࡓࡣ኱Ẽᅽୗ࡛↝⤖ฎ⌮ࡋࡓ +$ ⣔ࢭ࣑ࣛࢵࢡࢫ㸦௨㝆ࠊ๓⪅ࢆ Z+$ࠊᚋ⪅ࢆ D+$ ࡜⾲グࡍࡿ㸧࡟࠾࠸࡚ࠊ⢏ᚄཬࡧ F ㍈࡟ἢࡗ࡚㓄ิࡋ࡚࠸ࡿ 2+ࢧ࢖ࢺ࡟࠾ࡅࡿ㠀໬Ꮫ㔞ㄽᛶࡀ࢖࢜ࣥఏᑟ≉ᛶࡸ࢚ࣞࢡࢺࣞࢵࢺ≉ᛶ࡟ཬࡰࡍᙳ㡪࡟ࡘ࠸᳨࡚ウࡍࡿࡇ࡜ࢆ┠ⓗ࡜ࡋࡓࠋ
◊✲᪉ἲ
ᕷ㈍ࡢ +$ ⢊ᮎࢆࢹ࢕ࢫࢡ≧࡟ᡂᙧࡋࠊ㹼ႏ࡛  ᫬㛫ࠊỈ⵨Ẽୗࡲࡓࡣ኱Ẽୗ࡛↝⤖ฎ⌮ࡍࡿࡇ࡜࡛ࠊZ+$ ཬࡧ D+$ ࢹ࢕ࢫࢡ㸦‫׋‬PPࠊTPP㸧ࢆస〇ࡋࡓࠋᚓࡽࢀࡓヨᩱࡣࠊ㔠㟁ᴟࢆࢫࣃࢵࢱ〇⭷ࡋࠊႏ࡛  ᫬㛫ࠊN9FP ࡢ┤ὶ㟁⏺ࢆ༳ຍࡋ⥆ࡅࡓᚋࠊ㟁⏺ୗ࡛ᨺ෭ࡍ
ࡿࡇ࡜࡛ศᴟฎ⌮ࡋࡓࠋྛヨᩱࡢ⤖ᬗᵓ㐀ཬࡧ㠀໬Ꮫ㔞ㄽᛶࡣ ;5' ཬࡧ )7,5 ᐃ⤖ᯝ࡟ࡼࡗ࡚ࠊ
ᑟ㟁≉ᛶࡣ஺ὶ࢖ࣥࣆ࣮ࢲࣥࢫἲ࡟ࡼࡗ࡚ホ౯ࡋࡓࠋࡲࡓࠊศᴟฎ⌮ᚋࡢヨᩱࡢ⾲㠃ᖏ㟁≧ែࡣࠊ㔠㟁ᴟࢆ㝖ཤࡋ࡚⣧ỈὙίࡋࡓᚋࠊႏ࡛  ᫬㛫஝⇱ฎ⌮ࡋࡓヨᩱࢆ⏝࠸࡚ࠊࢣࣝࣅࣥࣉ࣮ࣟࣈ
ᘧ⾲㠃㟁఩ ᐃࡢ⤖ᯝ࡟ᇶ࡙࠸࡚ホ౯ࡋࡓࠋ
⤖ᯝ࡜⪃ᐹ;5' ᐃࡼࡾࠊస〇ࡋࡓࢭ࣑ࣛࢵࢡࢫࡀ࠸ࡎࢀࡶ࢔ࣃࢱ࢖ࢺࡢ༢୍┦࡛࠶ࡿࡇ࡜ࠊ6(0 ほᐹࡼࡾࠊZ+$ࠊD+$ ࡜ࡶ࡟↝⤖ ᗘࡢୖ᪼࡟కࡗ࡚ᖹᆒ⢏ᚄࡀቑ኱ࡋ࡚࠸ࡿࡇ࡜ࡀ☜ㄆࡉࢀࡓ㸦)LJ㸧ࠋࡲࡓࠊྛヨᩱࡢ )7,5 ࢫ࣌ࢡࢺࣝࡼࡾ 32 ཬࡧ 2+ ࡟⏤᮶ࡍࡿ྾཰ࣆ࣮ࢡࡢ✚ศᙉᗘẚ
㸦IOHIPO4㸹2+Ḟ㝗㔞ࡢᣦᶆ㸧ࢆồࡵࡓ࡜ࡇࢁࠊZ+$ࠊD+$ ࡜ࡶ࡟↝⤖ ᗘࡢୖ᪼࡟కࡗ࡚ IOHIPO4
ࡀῶᑡࡍࡿഴྥࡀࡳࡽࢀࡓࡶࡢࡢࠊ࠸ࡎࢀࡢ ᗘ࡛ࡶ Z+$ ࡣ D+$ ࡼࡾࡶ㧗࠸್ࢆ♧ࡋࡓ㸦)LJ㸧ࠋࡇࢀࡣࠊ+$ ࢆỈ⵨Ẽୗ࡛↝⤖ฎ⌮ࡍࡿࡇ࡜࡟ࡼࡾࠊ2+Ḟ㝗ࡢ⏕ᡂࡀᢚไࡉࢀࡓࡇ࡜ࢆ♧၀ࡋ࡚࠸ࡿࠋ
ྛヨᩱࡢ↝⤖ ᗘ࡜ศᴟฎ⌮ᚋࡢ⾲㠃㟁఩ࡢ㛵ಀࢆ )LJ  ࡟♧ࡋࡓࠋD+$ ࡟࠾࠸࡚ࡢࡳࠊ↝⤖ᗘࡢୖ᪼࡟కࡗ࡚⾲㠃㟁఩ࡀ㢧ⴭ࡟ቑ኱㸦N9ЍN9㸧ࡋ࡚࠸ࡿࡇ࡜ࡀศ࠿ࡿࠋ)LJ ࡛♧ࡋࡓ
㏻ࡾࠊ↝⤖ ᗘࡣ⢏ᚄ࡜ IOHIPO4 ್㸦2+Ḟ㝗㔞㸧ࡢ୧⪅࡟ᙳ㡪ࡍࡿࠋࡑࡇ࡛ࠊྛヨᩱࡢ⢏ᚄཬࡧIOHIPO4 ್࡟ᑐࡋ࡚ࡑࢀࡒࢀ⾲㠃㟁఩ࡢኚ໬ࢆࣉࣟࢵࢺࡋࡓ࡜ࡇࢁ㸦)LJ 㸧ࠊIOHIPO4 ್࡜⾲㠃㟁఩ࡀࡼࡾᙉࡃ┦㛵ࡋ࡚࠸ࡿࡇ࡜ࡀぢ࠸ࡔࡉࢀࡓࠋ)LJ ࡣࠊIOHIPO4 ್࡜஺ὶ࢖ࣥࣆ࣮ࢲࣥࢫ ᐃ⤖ᯝ࠿ࡽぢ✚ࡶࡗࡓ ႏ࡟࠾ࡅࡿᑟ㟁⋡࡜ࡢ㛵ಀ࡛࠶ࡿࠋIOHIPO4 ್࡜ᑟ㟁⋡ࡢ┦㛵࡟ Z+$ࠊD+$ ࡢูࡣ࡞ࡃࠊIOHIPO4 ್ࡀᑠࡉ࠸㸦2+Ḟ㝗ࡀከ࠸㸧࡯࡝ࠊᑟ㟁⋡ࡀྥୖࡍࡿ࡜࠸࠺⤖ᯝࡀᚓࡽࢀࡓࠋ

− 232 −

Surface potential /kV

log (V @750ḥ / Scm-1)

IOHIPO4

Surface potential /kVGrain size /Pm➟ᯇࡽࡣࠊ+$ ཬࡧ 2+$ ࢆᑐ㇟࡟ࠊ⤖ᬗෆࡢ࢟ࣕࣜ࢔ࡢᒁᡤ㐠ືࢆ➨୍ཎ⌮ศᏊືຊᏛἲ࡟ࡼࡗ
࡚ࢩ࣑࣮ࣗࣞࢩࣙࣥࡋࡓ⤖ᯝ࡜ࡋ࡚ࠊ2+ࢧ࢖ࢺ࡟Ḟ㝗ࢆᣢࡓ࡞࠸ +$ ࡢሙྜ࡟ࡣࠊ2+ࢆᡂࡍࣉ
ࣟࢺࣥࡀ㓟໬≀࢖࢜ࣥࡢ࿘ᅖ࡛ᅇ㌿ࡣࡍࡿࡶࡢࡢࠊ࢖࢜ࣥࡢ㛗㊥㞳⛣ືࡀ⏕ࡌࡿࡇ࡜ࡣ࡞ࡃࠊ୍᪉
࡛ 2+ࢧ࢖ࢺ࡟ 2ࡸ✵Ꮝࢆ᭷ࡍࡿ 2+$ ࡢሙྜ࡟ࡣࠊ+ࡢᒁᡤᅇ㌿ࡢࡳ࡞ࡽࡎࠊ2ࢆ௓ࡋࡓ +ࡢᣑᩓࠊ2+✵Ꮝࢆ௓ࡋࡓ 2࠶ࡿ࠸ࡣ 2+ࡢᣑᩓࡀ⏕ࡌࡿࡇ࡜ࢆሗ࿌ࡋ࡚࠸ࡿ  ࠋࡇࡢࡇ࡜ࢆ⪃៖ࡍ
ࡿ࡜ࠊD+$ ࡛ࡳࡽࢀࡓ↝⤖ ᗘ࡟ᑐࡍࡿ㢧ⴭ࡞⾲㠃㟁఩ࡢቑ኱࡟ࡣࠊ2+Ḟ㝗㔞ࡢቑ኱࡟క࠺ᑟ
㟁⋡ࡢྥୖࡀ኱ࡁࡃᐤ୚ࡋ࡚࠸ࡿࡶࡢ࡜⪃࠼ࡽࢀࡓࠋ

0.025
 20
⅐≐ grain size (w-HA)≐
4≐ⅎ≐ grain size ( a -HA) 16 䇲䇲䇲⅐䇲䇲䇲 IOH / IPO4 (w-HA)
0.020
a-HA
䇲䇲䇲ⅎ䇲䇲䇲 IOH / IPO4 ( a -HA)

3

0.015
12


2
0.010
8

w-HA

1
0.005
4



0.000
0
0
1200 1250 1300 1350 1400 1450
1200 1250 1300 1350 1400 1450

Sintering temp. / ḥ
Sintering temp. / ḥ)LJZ+$ ཬ䜃 D+$ 䛾⢏ᚄཬ䜃 IOHIPO4)LJ ศᴟฎ⌮ᚋ䛾 Z+$ ཬ䜃 D+$ 䛾⾲್䛸↝⤖ ᗘ䛾㛵ಀ㠃㟁఩䛸↝⤖ ᗘ䛾㛵ಀ


-5.4

4
-5.6

a-HA

-5.8
3

-6.0


2
-6.2

w-HA

-6.4
1

-6.6


-6.8
0
0 4 8 12 16 00.008 0.016
0.000
0.004
0.008
0.012
0.016

IOH IPO4
IOH IPO4
Grain size /mm
)LJ ศᴟฎ⌮ᚋ䛾 Z+$ ཬ䜃 D+$ 䛾⾲)LJZ+$ ཬ䜃 D+$ 䛾 䉝䛻䛚䛡䜛ᑟ㠃㟁఩䛸⢏ᚄ㻔ᕥ㻕ཬ䜃 IOHIPO4 ್㻔ྑ㻕䛾㛵ಀ㟁⋡ IOHIPO4 ್䛾㛵ಀཧ ⪃ᩥ⊩  ⏣୰ඃᐇ ⌮኱⛉Ꮫࣇ࢛࣮࣒ࣛSS   ᮾி⌮⛉኱Ꮫฟ∧఍  .+DNDPDWD70L\RVKL&,WRJD<7DQDND<6X]XNL-3K\V&RQI6HU    6.DVDPDWVXDQG26XJLQRKWWSVDU[LYRUJDEV  ඹྠ◊✲ศ㔝㸸ࢼࣀ࣭࣐࢖ࢡࣟᵓ㐀ไᚚࣉࣟࢭࢫᏛศ㔝− 233 −

LSCF/GDC ࢼࣀࢥ࣏ࣥࢪࢵࢺ࡟࠾ࡅࡿᵓ㐀-ᶵᶵ⬟┦㛵ࡢゎ᫂          ⩌㤿኱Ꮫ኱Ꮫ㝔⌮ᕤᏛᗓ      బ⸨ ࿴ዲࠊ᱓ཎ 㥴㸯㸬⥴ゝ㏆ᖺࠊᅛయ㓟໬≀⇞ᩱ㟁ụ(SOFC)ࡢ᪂ࡓ࡞⏝㏵࡜ࡋ࡚⛣ືయ⏝ࡢ㟁※࡬ࡢᛂ⏝ࡀᮇᚅࡉࢀ࡚࠾ࡾࠊ700 ºC ⛬ᗘࡢ୰ ᇦ࡛ࡶ㧗࠸ฟຊᐦᗘࡀᚓࡽࢀࡿࢭࣝࡢ㛤ⓎࡀάⓎ࡛࠶ࡿࠋ୰ సືᆺ SOFC ࡟࠾࠸࡚ࡣࠊ࢝ࢯ࣮ࢻ࡟
࠾ࡅࡿ㓟⣲㑏ඖ཯ᛂ(ORR)㏿ᗘࡀࢭࣝᛶ⬟ࡢ࣎ࢺࣝࢿࢵࢡ࡜࡞ࡗ࡚࠾ࡾࠊORR άᛶྥୖࡢࢽ࣮ࢬࡀ㧗ࡲࡗ࡚࠸ࡿࠋ㟁ᴟᚤ⣽ᵓ㐀ࡢࢼࣀࢧ࢖ࢬ໬ࡣࠊORR άᛶྥୖࡢ᭷ຠ࡞࢔ࣉ࣮ࣟࢳ࡛࠶ࡿࡀࠊ1), 2) ౛࠼ࡤࠊ᭱ࡶ᭷ᮃ࡞࢝
ࢯ࣮ࢻᮦᩱࡢ୍ࡘ࡛࠶ࡿ La0.6Sr0.4Co0.2Fe0.8O3(LSCF)࡛ࡣࠊ㟁ᴟ/㟁ゎ㉁⏺㠃ࡢ᥋ྜ࡟୙ྍḞ࡞↝ᡂᕤ⛬࡟࠾࠸࡚ⴭࡋ࠸⢏ᡂ㛗ࢆ⏕ࡌࡿࡓࡵࠊ࢝ࢯ࣮ࢻࡢࢼࣀᵓ㐀໬ࡣᐜ࡛᫆ࡣ࡞࠸ࠋ୍᪉ࠊLSCF ࡬ࡢ Gd-doped CeO2(GDC)
ࡢῧຍࡣࠊప ࡟࠾ࡅࡿ㟁ᴟෆࡢ㓟⣲࢖࢜ࣥఏᑟᛶࡢྥୖࡔࡅ࡛࡞ࡃࠊLSCF ࡢ⢏ᡂ㛗ᢚไຠᯝࡢⓎ⌧ࡀᮇᚅ࡛ࡁࡿࠋᡃࠎࡣ᭱㏆ࠊࢥࣟ࢖ࢻࣉࣟࢭࢫࢆ࣮࣋ࢫ࡜ࡋࡓᆒ୍࡞ LSCF/GDC ࢼࣀ⤖ᬗ」ྜయྜᡂࣉࣟࢭࢫ࡟ࡼ
ࡾ LSCF/GDC ࢼࣀᵓ㐀࢝ࢯ࣮ࢻࡢస〇࡟ᡂຌࡋࡓࠋ
ᮏ࢝ࢯ࣮ࢻࡣࠊᚑ᮶ࢆ㐶࠿࡟෽ࡄ㧗࠸ ORR άᛶࢆ♧ࡋࡓࠋ3)
୍᪉ࠊࡇࢀࡽ࡟࠾ࡅࡿ ORR ࡢᚊ㏿㐣⛬ࢆ᫂ࡽ࠿࡟ࡍࡿࡇ࡜ࡀ࡛ࡁࢀࡤࠊࡉࡽ࡞ࡿ≉ᛶྥୖࡢࡓࡵࡢᚤᵓ㐀タィ࡟㛵ࡍࡿ▱ぢࡀᚓࡽࢀࡿࡶࡢ࡜ᮇᚅࡉࢀࡿࠋ
ࢥ࣏ࣥࢪࢵࢺ࢝ࢯ࣮ࢻ࡟࠾࠸࡚ࡣࠊLSCF ࡜ GDC ࡜ࡢΰྜẚࡀ≉ᛶ࡟ⴭࡋ࠸ᙳ㡪ࢆཬࡰࡍࡇ࡜ࡀ▱ࡽࢀ࡚࠾ࡾࠊᮏ◊✲࡛ࡣࠊLSCF ࡜ GDC ࡜ࡢΰྜẚࡀ␗࡞ࡿ 2 ✀㢮ࡢࢼࣀࢥ࣏ࣥࢪࢵࢺࢆస〇ࡋࠊࡑࡢᵓ㐀࡜≉ᛶ࡜ࡢᅉᯝ㛵ಀࢆㄪᰝࡋࠊࢼࣀࢥ࣏ࣥࢪࢵࢺ࢝ࢯ࣮ࢻ࡟࠾ࡅࡿ ORR ᚊ㏿ẁ㝵ࢆ᥎ᐃࡋࠊάᛶࡢࡉࡽ࡞ࡿྥୖࡢ
ࡓࡵࡢᚤᵓ㐀タィ࡟ࡘ࠸࡚⪃ᐹࡋࡓࠋ㸰㸬ᐇ㦂᪉ἲ
ᮏ◊✲࡛ࡣࠊLSCF ࡜ GDC ࡢ㔜㔞ẚࡀ 7:3 ࠾ࡼࡧ 5:5 ࡜࡞ࡿࡼ࠺࡟௙㎸ࡳ⤌ᡂࢆㄪ〇ࡋ࡚ࢼࣀ⤖ᬗ」ྜయࢆྜ
ᡂࡋࠊᐇ㦂࡟౪ࡋࡓࠋ௨ୗࠊࡑࢀࡒࢀࡢヨᩱࢆ LG73 ࠾ࡼࡧ LG55 ࡜⛠ࡍࡿࠋࡲࡎࠊ᭷ᶵศᏊ࢟ࣕࢵࣆࣥࢢࢆ᥼⏝ࡋࡓሷᇶᛶ࢔ࢽ࢜ࣥ㘒యࡢỈ⇕ฎ⌮࡟ࡼࡗ࡚Ỉ୰ศᩓ GDC ࢼࣀ⤖ᬗࢆྜᡂࡋࡓࠋᮏࢼࣀ⤖ᬗศᩓᾮ࡟ࠊLa, Sr, Co ࠾ࡼࡧ Fe ࢆ⁐ゎࡋࡓỈ⁐ᾮࢆῧຍࡋࠊLSCF ๓㥑యࢆᯒฟࡉࡏࡓࠋ
ᚓࡽࢀࡓ๓㥑యࢆὙίࠊ஝⇱ᚋ࡟ 800 ºC ࡛ 6h ௬↝ࡋ࡚ LSCF/GDC ࢼࣀ⤖ᬗ」ྜయࢆᚓࡓࠋ」ྜయ୰ࡢ LSCFࡢ⤌ᡂ࡞ࡽࡧ࡟ LSCF ࡜ GDC ࡢྵ᭷⋡ࡣㄏᑟࣉࣛࢬ࣐Ⓨගศᯒ(ICP-AES)࡛ồࡵࡓࠋ࢚ࢱࣀ࣮ࣝ୰࡛ࡢ࣮࣑࣎ࣝࣝ࡟ࡼࡾ LSCF/GDC ࢼࣀ⤖ᬗ」ྜయࡢจ㞟యࢆゎ○ࡋࡓᚋࠊᚓࡽࢀࡓ஝⇱⢊ᮎࢆ࣏࢚ࣜࢳࣞࣥࢢࣜࢥ࣮ࣝ(ᖹᆒศᏊ㔞 400)࡜ΰྜࡋ࡚࣮࣌ࢫࢺࢆㄪ〇ࡋࡓࠋᮏ࣮࣌ࢫࢺࢆ GDC ࣌ࣞࢵࢺ(tࠥ400 ȝm)ࡢ୧㠃࡟ࢫࢡ࣮ࣜࣥ༳ๅࡋࠊࡇࢀࢆ 900Υ࡛↝ᡂࡋ࡚ࢩ࣓ࣥࢺࣜࢵࢡࢭࣝࢆస〇ࡋࡓࠋ࢝ࢯ࣮ࢻࡢ ORR≉ᛶࡣ஺ὶ࢖ࣥࣆ࣮ࢲࣥࢫἲࢆ⏝࠸࡚ホ౯ࡋࠊࡲࡓࠊࡑࡢᚤᵓ㐀ࢆ㉮ᰝᆺ㟁Ꮚ㢧ᚤ㙾(SEM)࠾ࡼࡧ࢚ࢿࣝࢠ࣮
ศᩓ X ⥺ศᯒࢆే⏝ࡋࡓ㏱㐣㟁Ꮚ㢧ᚤ㙾ほᐹ(STEM-EDS)࡛ホ౯ࡋࡓࠋ− 234 −GDC
LSCF
Intensity / a. u.

㸱㸬⤖ᯝ࡜⪃ᐹ
XRD ࡼࡾࠊLG73 ࠾ࡼࡧ LG55 ࡢ࠸ࡎࢀ࡟࠾࠸࡚ࡶࠊᮍ
཯ᛂ≀ࡸ୰㛫┦ࢆྵࡲ࡞࠸ LSCF/GDC 」ྜయࡀྜᡂ࡛ࡁ
࡚࠸ࡿࡇ࡜ࡀ☜ㄆࡉࢀࡓ(Fig.1)ࠋTable 1 ࡟ ICP-AES ࢆ⏝࠸ࡓ⤌ᡂศᯒ⤖ᯝࠊXRD ࡢ್༙ᖜ࠿ࡽぢ✚ࡶࡗࡓྛ┦ࡢ⤖ᬗᏊᚄ࡞ࡽࡧ࡟ N2 ྾╔ࡼࡾ ᐃࡋࡓẚ⾲㠃✚ࢆ♧ࡍࠋ
LSCF ࢆᵓᡂࡍࡿඖ⣲ࡢẚ⋡ࡣ࠸ࡎࢀࡶ㔞ㄽ⤌ᡂ࡜୍⮴ࡋ࡚࠾ࡾࠊࡲࡓࠊLSCF ࡜ GDC ࡜ࡢΰྜẚࡶ௙㎸ࡳ⤌ᡂ࡜࡯ࡰ୍⮴ࡋ࡚࠸ࡿࡇ࡜࠿ࡽࠊᮏྜᡂἲࡀ⤌ᡂไᚚᛶ࡟ඃࢀ
࡚࠸ࡿࡇ࡜ࡀࢃ࠿ࡿࠋ
Figure 2 ࡟ࡇࢀࡽࡢࢼࣀ⤖ᬗ」ྜయ࠿ࡽస〇ࡋࡓ࢝ࢯ࣮
ࢻࡢ STEM-EDS ീࢆ♧ࡍࠋSTEM ീࡼࡾࠊLG73 ࠾ࡼࡧ
LG55 ࡢ࠸ࡎࢀࡢ࢝ࢯ࣮ࢻࡶࠊ100nm ௨ୗࡢࢢࣞ࢖ࣥ࠿ࡽ
ᵓᡂࡉࢀࡿࠊከᏍ㉁ࡢࢼࣀᵓ㐀ࢆ᭷ࡋ࡚࠾ࡾࠊᚤᵓ㐀࡟࠾ࡅࡿᕪ␗ࡣ࡯࡜ࢇ࡝ㄆࡵࡽࢀ࡞࠸ࠋᑐᛂࡍࡿど㔝ࡢ EDS
ീ࠿ࡽࡶ୧⪅ࡢᕪ␗ࡣᑠࡉࡃࠊ
ࢼࣀࢧ࢖ࢬࡢ LSCF ࡜ GDCࡀᆒ୍࡟ศᕸࡋ࡚࠸ࡿࡇ࡜ࡀࢃ࠿ࡿࠋ

LG55

LG73

GDC
LSCF
40
50
60
70
80
2ș / degree
Figure 1 XRD patterns of LSCF/GDC
nanocomposite particles
2030

Table 1 Characteristics of the LSCF/GDC nanocomposite particles
ID

LSCF composition

Mass ratio of
LSCF/GDC

dLSCF
(nm)

dGDC
(nm)

SSA
(m2·kgí1)

LG73

La0.6Sr0.4Co0.2Fe0.8O3íį

71/29

30

22

2.2㽢104

LG55

La0.6Sr0.4Co0.2Fe0.8O3íį

52/48

23

20

2.3㽢104

(a)

(b)

101

Ce, La, Fe

100 nm

100 nm(c)(d)

Ce, La, Fe

Rp /ȍ·cm2

100
LG73, Ea = 1.24 eV

10-1
LG55, Ea = 1.15 eV

10-2

100 nm

100 nmFigure 2 STEM and corresponding
elemental distribution mappings of LG73((a), (b)) and LG55 ((c ), (d))

10-3
0.9

1.0

1.1
1000Tí1 / Kí1

1.2

1.3

Figure 3 Temperature dependence of ASR
for ORR at LG55 and LG73 cathodes

Figure 3 ࡟୧࢝ࢯ࣮ࢻࡢ ORR ࡟࠾ࡅࡿ㟁ᴟ཯ᛂ᢬ᢠࡢ ᗘ౫Ꮡᛶࢆ♧ࡍࠋ඲ᇦ࡟࠾࠸࡚ࠊLG73 ࡟ẚ࡭࡚ LG55
ࡢ᪉ࡀప࠸㟁ᴟ཯ᛂ᢬ᢠࢆ♧ࡋࡓࠋࡲࡓࠊ཯ᛂࡢάᛶ໬࢚ࢿࣝࢠ࣮ࡣࠊLG55 ࡟࠾࠸࡚ 1.15eVࠊLG73 ࡟࠾࠸࡚ 1.24eV ࡜ぢ✚ࡶࡽࢀࠊ୧⪅࡟࠾ࡅࡿᚊ㏿㐣⛬ࡀ␗࡞ࡿࡇ࡜ࡀ♧၀ࡉࢀࡿࠋ࢖ࣥࣆ࣮ࢲࣥࢫᛂ⟅ࡢ࿘Ἴᩘ౫
Ꮡᛶࡼࡾࠊ800ºC ࡟࠾࠸࡚ࡣࠊ୧࢝ࢯ࣮ࢻ࡜ࡶ࡟ 103Hz ࠾ࡼࡧ 101Hz ௜㏆࡟ࣆ࣮ࢡࢆ᭷ࡍࡿࣉࣟࢭࢫࡀ཯ᛂࢆ
ᚊ㏿ࡋ࡚࠸ࡓࠋ๓⪅ࡣ㟁Ⲵ⛣ືࠊᚋ⪅ࡣ㓟⣲ࡢゎ㞳྾╔࡞࡝ࡢẼᅛ┦஫స⏝࡟ࡼࡿࡶࡢ࡜⪃࠼ࡽࢀࡿࠋప ໬࡟క࠸ࠊ≉࡟๓⪅ࡀᨭ㓄ⓗ࡜࡞ࡾࠊࡲࡓࠊLG73 ࡟ẚ࡭࡚ LG55 ࡢ᪉ࡀᑠࡉ࠿ࡗࡓࠋࡇࡢࡇ࡜ࡣࠊప ࡛ࡣ㟁Ⲵ⛣ືࡀᚊ㏿㐣⛬࡛࠶ࡾࠊLG55 ࡛ࡣ LG73 ࡟ẚ࡭࡚㎿㏿࡟㐍ࡴࡇ࡜ࢆព࿡ࡋ࡚࠸ࡿࠋ୍᪉ࠊORR ࡬ࡢᚋ⪅ࡢᐤ୚࡜ࡑࡢ⤌ᡂ౫Ꮡᛶࡣᑠࡉ࠿ࡗࡓࠋࡇࡢࡇ࡜࠿ࡽࠊప ᇦ࡟࠾ࡅࡿࠊࡉࡽ࡞ࡿάᛶྥୖ࡟ࡣࠊᚤ⣽໬ࡔࡅ࡛࡞ࡃࠊࡼࡾᆒ୍࡞」ྜ໬࡟ࡼࡿ LSCF/GDC/O2 ࠿ࡽ࡞ࡿ୕┦⏺㠃ࡢቑ኱ࡀ㔜せ࡛࠶ࡿ࡜ゝ࠼ࡿࠋ
4㸬㸬ࡲ࡜ࡵࢥࣟ࢖ࢻࣉࣟࢭࢫࢆ⏝࠸࡚స〇ࡋࡓΰྜẚࡢ␗࡞ࡿ LSCF/GDC ࢼࣀࢥ࣏ࣥࢪࢵࢺ࢝ࢯ࣮ࢻ࡟࠾ࡅࡿ ORR άᛶ࡞ࡽࡧ࡟ࡑࡢᚤ⣽ᵓ㐀౫Ꮡᛶࢆㄪᰝࡋࡓࠋ⢏Ꮚࢧ࢖ࢬࡸẼᏍᵓ㐀ࡣ㢮ఝࡋ࡚࠸ࡿࡶࡢࡢࠊLG73 ࡟ẚ࡭࡚ LG55
ࡢ᪉ࡀ㧗࠸άᛶࢆ♧ࡋࡓࠋ஺ὶ࢖ࣥࣆ࣮ࢲࣥࢫ ᐃࡼࡾࠊᚋ⪅ࡢ㧗࠸ ORR άᛶࡣ㎿㏿࡞㟁Ⲵ⛣ື࡟㉳ᅉࡋࠊప ᇦ࡟࠾ࡅࡿࡉࡽ࡞ࡿ ORR άᛶྥୖ࡟ࡣࠊ୕┦⏺㠃ࡢቑ኱ࡀ᭷ຠ࡛࠶ࡿࡇ࡜ࡀᙉࡃ♧၀ࡉࢀࡓࠋ
ཧ⪃ᩥ⊩
1. Y. Liu, F. Wang, B. Choi, J. Pu, L. Jian, S. P. Jiang, J. Alloys Comp.,578, 37-43 (2013)
2. D. Backel, U .P. Muecke, T. Gyger, G. Florey, A. Infortuna, L. J. Gauckler, Solid State Ionics, 178, 407-415 (2007)
3. K. Sato, C. Iwata, N. Kannari, H. Abe, J. Power Sources, 414, 502-508 (2019)ඹྠ◊✲ᡂᯝⓎ⾲
࣭K. Sato, C. Iwata, N. Kannari, H. Abe, J. Power Sources, 414, 502-508 (2019)(doi.org/10.1016/j.jpowsour.2019.01.032)(ඹྠ◊✲ศ㔝㸸ࣛ࢖ࣇ࢖ࣀ࣮࣋ࢩࣙࣥᮦᩱࣉࣟࢭࢫᏛศ㔝 (㜿㒊ᾈஓ ෸ᩍᤵ))− 235 −

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ࣟࢭࢫ࡛ࡣ࠶ࡿࡀࠊ⁐๣ࡢ⎔ቃᙳ㡪➼ࢆྍ⬟࡞㝈ࡾపῶࡍࡿᚲせࡀ࠶ࡿࠋᖹᡂ  ᖺᗘࡢඹྠ◊✲࡛ࡣࠊᅛ┦ἲ࡛ྜᡂࡋࡓᩘ࣑ࢡࣟࣥࢧ࢖ࢬࡢ 0J7L2 ⢏Ꮚ࡟ᑐࡋ࡚ࠊᕼሷ㓟Ỉ⁐ᾮ୰࡛Ỉ⇕ฎ⌮ࡋ࡚㑅ᢥⓗ࡟ 0J2 ᡂศࢆ㝖ཤࡍࡿࡇ࡜࡛ࠊࣈࣝࢵ࢝࢖ࢺᆺ 7L2 ࡛ᵓᡂࡉࢀࡿከᏍ㉁㢛⢏ࡢྜᡂࢆ⾜ࡗࡓࡢ࡛௨ୗ࡟ሗ࿌ࡍࡿ>@ࠋ 㸰㸬ᐇ㦂᪉ἲ
 ฟⓎཎᩱ࡜ࡋ࡚ሷᇶᛶ 0J&2㸦ࠊ㧗⣧ᗘ໬Ꮫ◊✲ᡤ㸧࠾ࡼࡧ࢔ࢼࢱ࣮ࢮᆺ 7L2㸦ࠊ㧗⣧ᗘ໬Ꮫ◊✲ᡤ㸧ࢆ⏝࠸ࡓࠋሷᇶᛶ 0J&2 ࡟ࡘ࠸࡚ࡣ࠶ࡽ࠿ࡌࡵ 7*'7$ ࢆ⏝࠸࡚⢊ᮎ୰ࡢ 0J2 ⃰ᗘࢆỴᐃࡋࡓࠋ0J7L  㸦ࣔࣝẚ㸧࡜࡞ࡿࡼ࠺࡟⛗㔞ࡋࡓ⢊ᮎࢆࠊ࢚ࢱࣀ࣮ࣝ୰࡛ * ࡢ᮲௳ୗ࡛ K 㐟࣮࣑ᫍ࣎ࣝࣝΰྜࢆ⾜ࡗࡓࠋᚓࡽࢀࡓࢫ࣮ࣛࣜࢆῶᅽ஝⇱ᚋࠊ኱Ẽ୰ Υ࡛ K ↝ᡂࢆ⾜࠸ࠊ෭༷࣭⢒⢊○ᚋ Υ࡛ K ෌↝ᡂࢆ⾜࠺ࡇ࡜࡛0J7L2 ⢊ᮎࢆᚓࡓࠋࡇࡢ 0J7L2 ⢊ᮎࢆ P/ ࡢ 0+&O Ỉ⁐ᾮ୰࡛ ΥࠊK Ỉ⇕ฎ⌮ࢆ⾜࠸ࠊỈὙࠊ஝⇱ࢆ⾜࠺ࡇ࡜࡟ࡼࡾ┠ⓗ≀ࢆᚓࡓࠋ 㸱㸬⤖ᯝ࡜⪃ᐹ)LJ ࠾ࡼࡧ )LJ ࡟ᮏ◊✲࡛ᚓࡽࢀࡓヨᩱࡢ ; ⥺ᅇᢡࣃࢱ࣮ࣥ࠾ࡼࡧ 6(0 ീࢆ♧ࡍࠋ᪤ሗ>@࡜ẚ㍑ࡋ࡚୙⣧≀┦࡛࠶ࡿࣝࢳࣝᆺ 7L2 ࡢ⏕ᡂࢆᢚ࠼࡚ࠊࣈࣝࢵ࢝࢖ࢺᆺࡢẚ⋡ࢆ 㸣௨ୖ࡟ࡍࡿࡇ࡜࡟ᡂຌࡋࡓࡇ࡜࡟ຍ࠼ࠊ
ᕼሷ㓟ࡢ⃰ᗘࢆ᭱㐺໬ࡍࡿࡇ࡜࡛ࠊẚ㍑ⓗ⤖ᬗᛶࡢ㧗࠸ࣈࣝࢵ࢝࢖ࢺᆺ 7L2 ᚤ⢏ᏊࡀỈ⇕ฎ⌮๓ࡢ⢏Ꮚእᙧࢆṧࡋࡓ≧ែ࡛ࠊከᏍ㉁㢛⢏ᵓ㐀ࢆᙧᡂࡉࡏࡿࡇ࡜ࡀྍ⬟࡜࡞ࡗࡓࠋ
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࠺࡞ᵓ㐀య໬ࡣࠊ
ࠕ⮬ᕫ⤌⧊໬࡟ᇶ࡙ࡃࢫ࣐࣮ࢺ᥋ྜࣉࣟࢭࢫࠖ࡜ࡋ࡚ࡶᤊ࠼ࡿࡇ࡜ࡀྍ⬟࡛࠶ࡾࠊ᪂ወከᏍ㉁⌫≧⢏猖ࡢࣛ࢖ࣇ࢖ࣀ࣮࣋ࢩࣙࣥ㛵㐃ᮦᩱ࡬ࡢᒎ㛤ࡢ୍ࡘ࡜ࡋ࡚ࠊ
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ᅛẼ⏺㠃ࡢࢼࣀᵓ㐀ไᚚ࡜࢞ࢫࢭࣥࢩࣥࢢᶵ⬟ ⅆᒣᛶ࢞ࢫ᳨▱⏝࢞ࢫࢭࣥࢧࡢ໬ᏛⓗᏳᐃᛶᅜ❧኱Ꮫἲே⇃ᮏ኱Ꮫ኱Ꮫ㝔ඛ➃⛉Ꮫ◊✲㒊
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㛗㔝┴す㒊ᆅ㟈㸦1984 ᖺ 10 ᭶ 14 ᪥ࠊ࣐ࢢࢽࢳ࣮ࣗࢻ 6.7㸧ࡢ㝿ࠊᚚᓅᒣࡢⅆᒣ࢞ࢫࡢ໬Ꮫ⤌ᡂࡀᑡ࡞ࡃ
࡜ࡶᆅ㟈ࡢ 1 㐌㛫๓࡟ࡣኚ໬ࡋ࡚࠸ࡓࡇ࡜ࡀሗࡌࡽࢀࡓ[1]ࠋࡇࡢሗ࿌࡟ࡣࠊSO2ࠊHClࠊH2ࠊHeࠊCH4 ࡀᆅ㟈๓࡟ቑຍࡋࠊ᫛࿴᪂ᒣ࡛ࡣ᭷⌔ᓅ࡛⁐ᒾࡀୖ᪼ࡋࡓ㝿࡟᫛࿴᪂ᒣࡢ H2 ⃰ᗘࡀ␗ᖖ࡟㧗࠸ᩘ್ࢆ♧ࡋࡓࠊ࡜グࡉࢀ࡚࠸ࡿࠋࡲࡓࠊⅆᒣ࢞ࢫ࡟ࡼࡿṚஸ⪅ᩘࡢ 8 ๭ࡣ◲໬Ỉ⣲࡟㉳ᅉࡍࡿࡇ࡜ࡀሗࡌࡽࢀ࡚࠸ࡿ[2]ࠋᄇẼཱྀ࠿ࡽ࢞ࣛࢫ⟶ࢆ㏻ࡋ࡚┤᥋࢞ࢫࢆὀᑕჾ࡛ᤕ㞟ࡋࠊ࢞ࢫࢡ࣐ࣟࢺࢢࣛࣇ࢕࣮➼࡟ࡼࡿ࢞ࢫ⤌ᡂࡢศᯒࡀヨࡳࡽࢀ࡚࠸ࡿࠋࡋ࠿ࡋࠊࡇࡢ᪉ἲࡣࠊ┤᥋⌧ሙ࡟ฟྥ࠸࡚࢞ࢫࡢ཰㞟ࢆ⾜࠺ᚲせࡀ࠶ࡾࠊ࢞ࢫ཰㞟⪅ࡀᄇẼཱྀ࠿ࡽࡢ✺Ⓨⓗ࡞⇕㢼࡟᭚ࡉࢀࡿ༴㝤ᛶࡀ࠶ࡿࠋࡇࢀࡽࡢ࢞ࢫࢆ࢞ࢫࢭࣥࢧᦚ㍕↓⥺㏻ಙࢩࢫࢸ࣒࡛ࣔࢽࢱࣜ
ࣥࢢ࡛ࡁࢀࡤࠊ஦๓࡟ⅆᒣࡢᄇⅆ࠾ࡼࡧᆅ㟈ࡢண඙ࢆ▱ࡿࡇ࡜ࡀྍ⬟࡟࡞ࡿࡔࡅ࡛࡞ࡃࠊே㛫ࡢ⏕࿨ࢆᏲࡿ㜵⅏άືࡢ᪂ࡓ࡞ᒎ㛤ࡀᮇᚅ࡛ࡁࡿࠋ
ᮏ◊✲࡛ࡣࠊⅆᒣ࢞ࢫࢆ᳨▱ࡍࡿࡓࡵࡢࢭࣥࢧ࡜ࡋ࡚㑏ඖᛶ࢞ࢫ࡟ඃࢀࡓᛂ⟅ࢆ♧ࡍ SnO2 ࡛ࢼࣀࢸࣥࣉࣞ
࣮ࢺ࡜ࡋ࡚ࡢ MWCNT ࢆ᏶඲࡟⿕そࡋࡓ SnO2 ⿕そ MWCNT ࢭࣥࢧ[3]ࢆస〇ࡋࠊỈ⵨Ẽࢆྵࡴ◲໬Ỉ⣲࡟ႏ࡛ 6 ᫬㛫᭚㟢ࡋࡓ㝿ࡢ SnO2 ⢏Ꮚࡢຎ໬≧ែࠊႏࡢỈ⵨Ẽ࡟ 3 ppm ◲໬Ỉ⣲ࢆὶ㏻ࡉࡏࡓ᫬ࡢ SnO2
⿕そ MWCNT ࢭࣥࢧࡢᛂ⟅ᅇ᚟ᣲືࢆㄪ࡭ࡓࠋ
ᐇ㦂࢖࢜ࣥ஺᥮Ỉ࡟ᅄሷ໬ࢫࢬ஬Ỉ࿴≀ࢆ⁐ゎࡉࡏࡓ⁐ᾮ㸦1 wt%㸧ࢆㄪ〇ࡋࠊ㓟ฎ⌮῭ࡳከᒙ࣮࢝࣎ࣥࢼࣀࢳ
࣮ࣗࣈ㸦MWCNT㸧ࢆῧຍࠊ᧠ᢾࢆ⤒࡚ࠊSnO2-MWCNT ๓㥑య⁐ᾮࢆᚓࡓࠋ๓㥑య⁐ᾮࢆ㏻ᖖࡢ⣸እ⥺㟢ගᢏ⾡࡟ࡼࡾస〇ࡋࡓ Au ᷸ᆺ㟁ᴟ㸦᷸ṑᮏᩘ㸸50 ᮏࠊࢠࣕࢵࣉ㸸5 m㸧࡟⁲ୗࠊ஝⇱ࠊ↝ᡂᚋࠊSnO2 ⿕そMWCNT ࢭࣥࢧ࡜ࡋࡓࠋࡓࡔࡋࠊ↝ᡂ㸦ႏ㸪3 h㸧ࡣ࢔ࣝࢦࣥ㞺ᅖẼୗ࡛⾜ࡗࡓࠋࢭࣥࢧ⣲Ꮚࢆ▼ⱥ⟶〇࣍ࣝࢲ࣮ෆ࡟タ⨨ࡋࠊྠ⣲Ꮚ㸦R㸧࡜ᇶ‽᢬ᢠ㸦r㸧ࢆ㟁※㸦E㸧࡟ᑐࡋ࡚┤ิ࡟᥋⥆ࡋࡓᅇ㊰ࢆ ᐃ࡟⏝࠸ࡓࠋᇶ‽᢬ᢠ㸦r㸧ࡢ୧➃㟁ᅽ㸦V㸧ࢆィ ࡍࡿࡇ࡜࡛ࠊ⣲Ꮚ㸦R㸧ࡢ⾲㠃࡛ࡢ࢞ࢫ࡜
ࡢ┦஫స⏝ࢆࣔࢽࢱࣜࣥࢢࡋࡓࠋィ ࡋࡓ㟁ᅽ㸦V㸧ࡣḟᘧ࡟௦ධࡍࡿࡇ࡜࡛ࠊ⣲Ꮚ᢬ᢠ㸦R㸧ࢆᚓࡓࠋR = ( E / V ± 1 ) r --- (1)ࡲࡓࠊ✵Ẽ୰ࡢ᢬ᢠࢆ Raࠊ⿕᳨࢞ࢫ୰࡛ࡢ᢬ᢠࢆ Rg ࡜ࡋࠊḟᘧ࠿ࡽ᢬ᢠኚ໬⋡[Resistance change㸸RC]
㸦%㸧ࢆ⟬ฟࡋࡓࠋ
RC = [ (Rg - Ra)/Ra ] ×100 㸦%㸧 --- (2)ణࡋࠊ㑏ඖᛶ࢞ࢫࡢሙྜࠊRC ࡀ㈇ࢆ♧ࡍࡓࡵࠊ⤯ᑐ್ࢆ࡜ࡗࡓࠋ ᐃࡣࠊ (1)✵Ẽ୰࡛㟁Ẽ᢬ᢠ㸦Ra㸧ࢆᏳᐃ໬ࠊ(2) 5 ศ㛫ࡔࡅ⿕᳨࢞ࢫ㸦3 ppm H2S ࡜✵Ẽࡢΰྜ࢞ࢫ㸧࡟᭚㟢ࠊ(3)✵Ẽ࡟ษࡾ᭰࠼ࠊ5 ศ⛬ᗘᅇ᚟ࠊࢆ 1 ᅇࡢ ᐃࢹ࣮ࢱ࡜ࡋࡓࠋ
⤖ᯝ࡜⪃ᐹ
MWCNT ⿕そ⏝ SnO2 ⢏Ꮚࡢ◲໬Ỉ⣲ࡲࡓࡣỈ⵨Ẽࢆྵࡴ◲໬Ỉ⣲࡟ࡼࡿ⤖ᬗ໬ᗘࡢኚ໬⋡ࢆ⤖ᬗ㠃ẖ࡟ᩚ⌮ࡋࡓ㸦ᅗ 1㸧ࠋ࡞࠾ࠊ⤖ᬗ໬ᗘ࠾ࡼࡧ⤖ᬗ໬ᗘࡢኚ໬⋡ࡣḟࡢᘧࢆ⏝࠸࡚⟬ฟࡋࡓࠋ࣭⤖ᬗ໬ᗘ㸻㸦ᅇᢡࣆ࣮ࢡᙉᗘ/༙౯ᖜ㸧࣭⤖ᬗ໬ᗘࡢኚ໬⋡㸻㸦࢞ࢫ࡟᭚㟢ࡋࡓ SnO2 ⢏Ꮚࡢ⤖ᬗ໬ᗘ㸧/㸦᭚㟢๓ SnO2 ⢏Ꮚࡢ⤖ᬗ໬ᗘ㸧×100
SnO2 ⢏Ꮚࡣ◲໬Ỉ⣲࡟ࡼࡗ࡚⤖ᬗ໬ᗘࡀୖ᪼ࡋࡓࠋ◲໬Ỉ⣲ࡣ✵Ẽ୰ࡢ㓟⣲㸦⣙ 21㸣㸧࡟ẚ࡭࡚ప⃰ᗘ 3 ppm
࡛࠶ࡿࡇ࡜࠿ࡽࠊ◲໬Ỉ⣲࡟ࡼࡿ⭉㣗ࡼࡾࡶࠊ✵Ẽ୰ࡢ㓟⣲࡟ࡼࡿ㓟໬ࡀᨭ㓄ⓗ࡛࠶ࡗࡓ࡜⪃࠼ࡽࢀࡿࠋࡋ
ࡓࡀࡗ࡚㸪ᮏ◊✲࡛ᚓࡽࢀࡓ SnO2 ⢏Ꮚࡣⅆᒣ࢞ࢫ࡛࠶ࡿ◲໬Ỉ⣲ࢆ᳨▱ࡍࡿࢭࣥࢧ࡜ࡋ࡚฼⏝࡛ࡁࡿྍ⬟ᛶࡀ♧၀ࡉࢀࡓࠋ
 ᅗ 2(a)࡟ 3 ppm H2S ࡟ᑐࡍࡿᛂ⟅ᅇ᚟᭤⥺ࢆ♧ࡍࠋసື ᗘ 100㹼ႏ࡛ඃࢀࡓᛂ⟅≉ᛶࢆ♧ࡋࡓࡓࡵࠊ
ࡇࡢసື ᗘ⠊ᅖ࡛ࡣ෌⌧ᛶࡀ㧗࠸࡜⪃࠼ࡽࢀࡿࠋႏ࡛ࡣ⿕᳨࢞ࢫ࡟᭚㟢ᚋ 3 ศࢆ⤒㐣ࡍࡿࡲ࡛ᛂ⟅ࡀ㣬

− 239 −

Gas inlet

100

60
40
100 䉝
150 䉝
200 䉝
250 䉝

20
0
4
6
8
Time / min

10| Resistance change | / %| Resistance change | / %

80

(202)

(301)

(112)

(310)

(002)

(220)

80
60
40
100 䉝
150 䉝
200 䉝
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20
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12

Gas outlet

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2

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Gas outlet

100

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੥အ৲২भ૗৲૨ / %2࿴࡟฿㐩ࡋ࡞࠸ࠋ⿕᳨࢞ࢫࡣ✵Ẽ࡜ΰྜࡉࡏ࡚ ᐃࡋ࡚࠸ࡿࡓࡵࠊ㓟⣲ࡀ
21%⛬ᗘྵࡲࢀ࡚࠸ࡿࠋ250Υ࡛ࡣࢭࣥࢧ⣲Ꮚ⾲㠃࡟⿕᳨࢞ࢫࡀ฿㐩ࡍࡿ๓࡟ࠊ
1(1)✵Ẽ୰ࡢ㓟⣲࡟ࡼࡿ⿕᳨࢞ࢫࡢศ
ゎࠊ(2)⿕᳨࢞ࢫ࡜✵Ẽ୰ࡢ㓟⣲࡜ࡢ➇த྾╔ࠊ➼࡟ࡼࡾࠊ᢬ᢠኚ໬⋡࡟ᙳ㡪
0ࡀฟ࡚࠸ࡿ࡜⪃࠼ࡽࢀࡿࠋࡇࢀࡽࡢ⤖ᯝ࠿ࡽࠊᛂ⟅≉ᛶࡢホ౯ࢆ⾜࠺᫬ࡢసື ᗘࡣ 200Υ㎾࡛Ⰻ࠸ࡇ࡜࡟࡞ࡿࠋ
⿕᳨࢞ࢫ࡬ࡢ 5 ศ㛫ࡢ᭚㟢ᚋࠊ✵Ẽ࡟ษࡾ᭰࠼ࡓᚋࡢᅇ᚟ᣲືࡣ࠸ࡎࢀࡢస௕  ૚঑ছ‫ش‬੐ਯपउऐॊ 6Q2 ၄৕भ੥အ৲২भ૗৲ື ᗘ࡟࠾࠸࡚ࡶᅇ᚟ࡀᝏ࠸ࡀࠊᐇ⏝‫؟ٻ‬٦भ਷॑ৢखञ SSP+6 पᓄ່‫ق‬٦K‫ك‬ᆺࢭࣥࢧ࡛ࡶ⿕᳨࢞ࢫ᳨ฟᚋ࡟ࣄ࣮ࢱ
‫؟ٴ‬SSP+6 पᓄ່‫ق‬٦K‫ك‬࣮࡟ࡼࡿ 400Υ࡛ࡢ⬺㞳ࢆᣳࡴࡓࡵࠊ
‫؟ٹ‬ᓄ່৐ 6Q2 ၄৕ၥ㢟࡞࠸ࠋᅗ 2(b)࡟ 3 ppm H2S ࢆ 80ΥࡢỈ⵨Ẽ࡟㏻ࡋࡓᚋ࡟᭚㟢ࡋࡓሙྜࡢᛂ⟅ᅇ᚟᭤⥺ࢆ♧ࡍࠋᛂ⟅ᅇ᚟≉ᛶࡣᅗ 2(a)࡜኱ࡁࡃ␗࡞ࡗ࡚࠸ࡓࠋ
Ỉ⵨Ẽࡀ௓ᅾࡍࡿࡇ࡜࡛ࢭࣥࢧᛂ⟅ࡣపୗࡋࡓࠋࡇࢀࡣࠊ1)80ΥࡢỈࡀసື ᗘ㸦100㹼250Υ㸧࡟ࡼࡗ࡚⵨
Ẽ໬㸦య✚⭾ᙇ㸧ࡋࠊSnO2 ⾲㠃ࡢ◲໬Ỉ⣲ࡢ⃰ᗘࡀᕼ㔘ࡉࢀࠊ◲໬Ỉ⣲࠾ࡼࡧ◲໬Ỉ⣲࡜Ỉ࡜ࡢ཯ᛂ࡟ࡼࡗ
࡚⏕ᡂࡍࡿ㑏ඖᛶ࢞ࢫ㸦Ỉ⣲㸧ࡢ྾╔㔞ࡀ┦ᑐⓗ࡟ῶᑡࡋࡓࠊ2)⵨Ẽ࡜ࡋ࡚ࡢỈࡀ SnO2 ⾲㠃࡟྾╔ࡍࡿࡇ࡜
࡛ࠊ㈇㟁Ⲵ྾╔㓟⣲ࡢ㟁ᏊࡀỈ࡟࣮ࣜࣜࢫࡉࢀࡿࡇ࡜࡛ࠊ◲໬Ỉ⣲ࡶࡋࡃࡣ◲໬Ỉ⣲࡜Ỉ࡜ࡢ཯ᛂ࡟ࡼࡗ࡚
⏕ᡂࡍࡿ㑏ඖᛶ࢞ࢫ࡜ࡢ㟁Ꮚⓗ┦஫స⏝ࡀ⏕ࡌ࡞ࡃ࡞ࡗࡓࠊ➼ࡢ⌮⏤ࡀᣲࡆࡽࢀࡿࠋࡋࡓࡀࡗ࡚ࠊⅆᒣᛶ࢞ࢫ᳨▱⏝࢞ࢫࢭࣥࢧࡢ໬ᏛⓗᏳᐃᛶࢆᢸಖࡍࡿࡓࡵ࡟ࡣࠊணࡵⅆᒣ࢞ࢫ୰ࡢỈ⵨Ẽࢆࢥ࣮ࣝࢻࢺࣛࢵࣉࡍࡿ
➼ࡢᕤኵࢆ⾜࠺ᚲせࡀ࠶ࡿࠋ

0

2

4
6
8
Time / min1012௕ 6Q2 ଺ང &17 ७থ१भૢ௦৚୮଱৿
D SSP+6 प  ী৑ᓄ່‫ ؚ‬E ٦਷Ⴊਞৣद SSP+6 प  ী৑ᓄ່
(ཧ⪃ᩥ⊩)[1] ᮡᾆᏍ㸪㛗἟೺㸪໬Ꮫ࡜ᩍ⫱, 40, 152-156 (1992).
[2] ᖹᯘ㡰୍㸪᪥ᮏⅆᒣᏛ఍➨ 9 ᅇබ㛤ㅮᗙࠕⅆᒣ࢞ࢫ࡜㜵⅏ࠖ(2002).
[3] T. Hashishin, J. Tamaki, Sensors and Materials, 21, 265-280 (2009).

㸦ඹྠ◊✲ศ㔝㸸ࣛ࢖ࣇ࢖ࣀ࣮࣋ࢩࣙࣥᮦᩱࣉࣟࢭࢫᏛศ㔝㸧− 240 −

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