ታᣉ⺖㗴⇟ภ㧦 2006B0213㧔̪㧕ታᣉ⺖㗴ฬ㧦 ReBCO coated conductor ਛߩᱷ⇐ᱡߣ⥃⇇㔚ᵹߩนㅒᕈ́ ⌀ᕈᱡࠍᦨㆡൻߒߚ ReBCO Coated Conductor ߩ⚿᥏ᚑ㐳ߦะߌߡታ㛎⽿છ⠪ᚲዻᯏ㑐෸߮᳁ฬ㧦㧔⽷㧕ᔕ↪⑼ቇ⎇ⓥᚲ 㐳᧛శㅧ 0007969

౒ห⎇ⓥ⠪㧦

੩ㇺᄢቇᎿቇ⎇ⓥ⑼ ⿷┙ᄢ᮸ 0008383 ᣣᧄේሶജ⎇ⓥ㐿⊒ᯏ᭴ ↸ደୃᄥ㇢ 0013045 ੩ㇺᄢቇᎿቇ⎇ⓥ⑼ ⩲㊁ᧂ⍮ᄩ 0017773

૶↪ࡆ࡯ࡓ࡜ࠗࡦ㧦 BL46XU
ታ㛎⚿ᨐ㧝㧚೑↪⋡⊛߅ࠃ߮ᚑᨐߩ᭎ⷐ
ᰴ਎ઍ㜞᷷⿥વዉ✢᧚ ReBCO C.C.ߪᄙጀⶄว᧚ᢱߢ޽ࠆߚ߼ฦጀߦߪਇนㆱ⊛ߦᱷ⇐ᱡ߇ሽ࿷ߔࠆ‫ࠆ޽߈ߣߩߎޕ‬ᄢ߈ߐߩ࿶❗ᱷ⇐ᱡ߇ሽ࿷ߔࠆߣታ㓙ߩ૶↪ⅣႺਛߢ⿥વዉ
⥃⇇㔚ᵹ߇ᦨᄢߦߥࠆߎߣࠍ↳⺧⠪╬ߪ⷗಴ߒ‫ޔ‬਎⇇ߦవ㚟ߌߡ⸘▚╬ߦࠃࠅߘߩᦨㆡᱷ
⇐ᱡߩផቯࠍⴕ޿‫ޔ‬ReBCO C.C.ߩ⿥વዉ⥃⇇㔚ᵹߩᱡଐሽᕈߩ⸃㉼ࠍⴕ޿‫ࠆ޽ޔ‬⒟ᐲߩᚑ
ഞࠍ෼߼ߡ߈ߚ‫ߩ⌀ߒ߆ߒޕ‬㜞ᕈ⢻ൻߩߚ߼ߦߪᱷ⇐ᱡ߅ࠃ߮ᱡᔕ╵․ᕈࠍቯ㊂⊛ߦᛠីߒ‫⵾ޔ‬ㅧࡊࡠ࠮ࠬߦ෻ᤋߐߖࠆߎߣ߇㕖Ᏹߦ㊀ⷐߢ޽ࠆߎߣࠊ߆ߞߡ߈ߚ‫ᧄߢߎߘޕ‬ឭ᩺
ߢߪ ReBCO C.C.ਛߩ⿥વዉጀߦᱷ⇐ߔࠆᱡߩ⋥ធ᷹ቯࠍⴕ޿‫ޔ‬ᚒ‫ߩ㉼⸃ߩޘ‬ᱜߒߐߣߣ߽ߦ‫ߩߘޔ‬ᖱႎࠍ⚿᥏ᚑ㐳ࡊࡠ࠮ࠬ᧦ઙߦ෻ᤋߐߖ‫ޔ‬ᱷ⇐ᱡ㧔⌀ᕈᱡ㧕ࠍᦨㆡൻߐߖߚ਎⇇ߢᦨ㜞ᕈ⢻ߩታ↪⿥વዉ✢᧚ࠍᚑ㐳ߐߖࠆታ㛎⊛᧦ઙࠍ᣿ࠄ߆ߦߔࠆߎߣࠍ⋡⊛ߣߒߚ‫ޕ‬ ߘߎߢౕ૕⊛ߦߪ NEDO ࠣ࡜ࡦ࠻ߦࠃࠅ౒ห⎇ⓥࠍታᣉߒߡ޿ࠆ AMSC ෸߮ THEVA␠߆ࠄ YBCO ෸߮ DyBCO C.C.ߩឭଏࠍฃߌ‫ޔ‬ᒁᒛ⩄㊀ࠍਈ߃ᱷ⇐ᱡ⁁ᘒࠍᄌൻߐߖߚ⹜
ᢱߦߟ޿ߡ SPring-8 ߢ᷹ቯߒߚᩰሶቯᢙ߆ࠄᱷ⇐ᱡࠍ▚ቯߒ‫੍ߊߠߣ߽ߦ࡞࠺ࡕޔ‬᷹ߐࠇࠆᱡߣߩᲧセࠍⴕ޿‫⵬ߩ࡞࠺ࡕ▚⸘ޔ‬ᱜߣ‫⵬ޔ‬ᱜࡕ࠺࡞ߦࠃࠅ⿥વዉ⥃⇇㔚ᵹߩᒁᒛᱡଐሽᕈߩᦨㆡ᧦ઙࠍ᣿߆ߦߒ‫ޔ‬ᄙጀ⚵❱ߩ᭴ㅧ᧦ઙࠍ⚿᥏ᚑ㐳ࡊࡠ࠮ࠬߦ෻ᤋߐߖࠆߎߣߦߒߚ‫ޕ‬੹࿁ߪᰴߩ㧞♽⛔ߩ᧚ᢱߦ੍஻ಣℂࠍട߃ߚ⹜ᢱࠍᱷ⇐ᱡ᷹ቯߦ↪޿ߚ‫ޕ‬ A ␠⵾ YBCO C.C.ߪၮ᧼ߦෘߐ 90Pm ⒟ᐲߩ Ni-W ว㊄‫࡯ࠔࡈ࠶ࡃޔ‬ጀߣߒߡ⚂ 1Pm
ෘߐߩ YSZO‫ ⚂ޔ‬1Pm ෘߐߩ㉄ൻ‛⿥વዉጀ‫ޔ‬ᢙPm ෘߐߩ Cu ࡜ࡒࡀ࡯࠻ጀ߇ઃߌࠄࠇߡ߅ࠅߘߩෘߐߪ⚂ 100Pm ⒟ᐲߢ޽ࠆ‫ⶄߩߎޕ‬วᄙጀ⹜ᢱߦᢙ⒳㘃ߩ࡟ࡌ࡞߹ߢᔕജࠍ㧝࿁޽ࠆ޿ߪⶄᢙ࿁ශട/㒰⩄߽ߩࠍḰ஻ߒߚ‫ޕ‬ T ␠⵾ߩ YBCO C.C.߅ࠃ߮ DyBCO C.C.ߪၮ᧼ߦ HastelloyC276‫ޔ‬ࡃ࠶ࡈࠔ࡯ጀߦ MgO‫ޔ‬䋭㩷㪈㪐㪏㩷䋭㉄ൻ‛⿥વዉጀ‫ޔ‬Ag ߩ࡜ࡒࡀ࡯࠻ጀ߇ઃߌࠄࠇߡ߅ࠅߘߩෘߐߪ⚂ 100Pm ⒟ᐲߢ޽ࠆ‫ޕ‬ᒁᒛ⩄㊀ࠍ߆ߌߚ߽ߩߣ‫↪ࠍߩ߽޿ߥߌ߆ޔ‬ᗧߒߚ‫ޕ‬ ታ㓙ߦ਄⸥㧞♽⛔ߩ⹜ᢱߦߟ޿ߡ♖ኒᩰሶቯᢙ᷹ቯࠍታᣉߒߚ߇‫ ߪߢߎߎޔ‬A ␠⵾
YBCO C.C.ߩ⚿ᨐࠍႎ๔ߔࠆ‫ޕ‬T ␠⵾ߩ YBCO C.C ߩ᷹ቯ⚿ᨐߦߟ޿ߡߪ⛘ኻ୯ߩ⼏⺰߇ᔅⷐߢ޽ࠅ‫⃻ޔ‬࿷ߘߩᣇ╷ࠍᬌ⸛ਛߢ޽ࠅ‫⸃ޔ‬᳿ᰴ╙ႎ๔ߒߚ޿‫ޕ‬㧞㧚ታ㛎ᣇᴺ㧞㧚㧝 ⹜ᢱ A ␠⵾ YBCO C.C.ߪၮ᧼ߦෘߐ 90Pm ⒟ᐲߩ Ni-W ว㊄‫ޔ‬ࡃ࠶ࡈࠔ࡯ጀߣߒߡ⚂ 1Pm
ෘߐߩ YSZO‫ ⚂ޔ‬1Pm ෘߐߩ㉄ൻ‛⿥વዉጀ‫ޔ‬ᢙPm ෘߐߩ Cu ࡜ࡒࡀ࡯࠻ጀ߇ઃߌࠄࠇߡ߅ࠅߘߩෘߐߪ⚂ 100Pm ⒟ᐲߢ޽ࠆ‫ⶄߩߎޕ‬วᄙጀ⹜ᢱߦᢙ⒳㘃ߩ࡟ࡌ࡞߹ߢᔕജࠍ㧝࿁޽ࠆ޿ߪⶄᢙ࿁ශട/㒰⩄߽ߩࠍḰ஻ߒߚ‫ޕ‬㧞㧚㧞 ቶ᷷ᒁᒛ⹜㛎੍஻⹜㛎ߣߒߡቶ᷷ߢᒁᒛ⹜㛎ࠍⴕߞߚ‫ࠢ࠶ࡖ࠴ޕ‬㑆〒㔌 60mm ߢߘߩਛᄩߦ Nyilas ဳિ߮⸘㧔ࠥ࡯ࠫ㐳 25mm㧕ࠍⵝ⌕ߒߚ‫ޕ‬ೋᱡㅦᐲ 8 x 10^-4 s^-1 ߢ⹜㛎ࠍⴕߞߚ‫ޕ‬න⚐ᒁᒛߢߪ޽ࠆᱡ Aa ߹ߢᒁᒛߞߚ޽ߣ‫ޔ‬㒰⩄ߒ࠯ࡠᔕജߢߩ᳗ਭᱡ Ap ࠍ᷹ቯߒߚ‫╙ޕ‬㧞ߩ⹜㛎ߢߪ⩄㊀ߣ㒰⩄ࠍ➅ࠅ㄰ߒ‫ߩߘޔ‬ㇺᐲ Aa, Ap ࠍ᷹ቯߒߚ‫ޕ‬㧞㧚㧟 ♖ኒᩰሶቯᢙ᷹ቯ
♖ኒᩰሶቯᢙ᷹ቯࠍ SPring-8 – 46XU ࡆ࡯ࡓ࡜ࠗࡦߢታᣉߒߚ‫ޕ‬೨એߡቶ᷷ᒁᒛ⹜㛎ࠍߒߚ࠹࡯ࡊ⁁⹜ᢱࠍࡎ࡞࠳࡯ߦขࠅઃߌ௖߆ߦᒁᒛ⩄㊀ࠍ߆ߌ⹜ᢱࠍ⌀ߞߔߋߦߒߚ‫޿↪ޕ‬ߚࡆ࡯ࡓߪ 19.51keV O=0.0635562nm ߢ޽ߞߚ‫ߪࡓ࡯ࡆޕ‬ㅘㆊߩ᧦ઙߢ࠹࡯ࡊߩ㐳ᚻᣇะߦ࿁᛬ߒߚ YBCO㧔YBa2Cu3O6+d㧕⋧ߩ 200 , 020 , 400 , 040 ߩ㧠ᧄߩ Bragg ࡇ࡯ࠢߩ࿁᛬ࡊࡠࡈࠔࠗ࡞ࠍ♖ኒߦ᷹ቯߒߚ‫ޕ‬㧞㧚㧠 ⥃⇇㔚ᵹߩᒁᒛᱡଐሽᕈߩ᷹ቯ
ᶧ૕⓸⚛᷷ᐲߢ⹜ᢱࠍᒁᒛࠅ⹜㛎ᯏߦขࠅઃߌ৻ቯߩ⩄㊀ߩਅߢ‫⹜ޔ‬ᢱߦ㔚ᵹࠍᵹߒI-V ․ᕈࠍ⸘᷹ߒߚ‫ࠆ޽ࠅࠃࠇߎޕ‬ᔕജ R ߅ࠃ߮ᱡ A ߩ߽ߣߢߩ⥃⇇㔚ᵹ Ic ࠍ᳿ቯߒߚ‫ޕ‬㧟㧚⚿ᨐߣ⠨ኤ㧟㧚㧝 ቶ᷷ᒁᒛ⹜㛎ቶ᷷ߢߩᒁᒛ⹜㛎ߩ⚿ᨐ‫ޔ‬YBCO coated conductor ߩᒢᕈ㒢ߪ Re.l. = 120 MPa and Ae.l.
=0.1 %‫ޔ‬0.2%⠴ജߪ R0.2p = 336 MPa ߢኻᔕߔࠆᒁᒛᱡߪ A0.2p = 0.47%ߢ޽ߞߚ‫ޕ‬ೋᦼ൨㈩߆ࠄߩᒢᕈଥᢙߪ Ec= 122 GPa ߢ޽ߞߚ‫ⶄޕ‬วೣߦࠃࠇ߫ᒢᕈଥᢙߪᰴᑼߢਈ߃ࠄࠇࠆ‫ޕ‬䋭㩷㪈㪐㪐㩷䋭Ec¦V E | ViiNi WE Ni W  VCu ECu㧝ߎߎߢ Vi ߪฦᚑಽߩ૕Ⓧಽ₸ߢ޽ࠆ‫ޕ‬૕Ⓧߩᄢඨࠍභ߼ࠆ Ni-W ၮ᧼ߣ Cu ࡜ࡒࡀ࡯࠻ጀߩᒢᕈଥᢙߪ ENi-W =117, Ecu = 130 GPa ߢ޽ߞߚߩߢ‫ ޔ‬㧝 ᑼ߆ࠄ᳞߼ࠄࠇࠆᒢᕈଥᢙߪ124 GPa ߣߥࠅ‫߷߶ޔ‬ታ᷹୯ߦㄭ޿ߎߣ߆ࠄ‫ ߩߎޔ‬coated conductor ߩᯏ᪾⊛ᕈ⾰ߪ㧞ߟߩ㊄ዻ⊛ᚑಽߦࠃߞߡ⺑᣿ߢ߈ࠆߎߣ߇ࠊ߆ࠆ‫ޕ‬ᰴߦᒁᒛജࠍ⩄㊀࡮㒰⩄ߐߖߡᒁᒛᱡ Aa ߣ᳗ਭᱡ Ap ߣߩ㑐ଥࠍ⺞ߴߚ‫⚿ޕ‬ᨐࠍ࿑㧝ߦ␜ߔ߇‫  ޔ‬ᒢᕈ㒢ౝߢߪ᳗ਭᱡ߇࠯ࡠߢ޽ࠆ‫  ޔ‬ᒢᕈ㒢ࠍ⿧߃‫ޔ‬0.2%⠴ജߩ㑆ߢߪ᳗ਭᱡ߇ᐨ‫ߦޘ‬Ⴧടߔࠆ‫  ޔ‬0.2%⠴ജࠍ⿧߃ࠆߣᒁᒛᱡߦᲧ଀ߒߡ᳗ਭᱡ߇Ⴧടߔࠆ‫ߣޕ‬޿ߞߚ㧟Ბ㓏ߩᄌൻ߇޽ࠆߎߣ߇᣿߆ߣߥߞߚ‫ޕ‬㧟㧚㧞 ♖ኒᩰሶቯᢙ᷹ቯ
ቶ᷷ߢ⒳‫ߩޘ‬ᒁᒛࠅᄌᒻࠍട߃ߚ⹜ᢱߦߟ޿ߡ SPring-8 ߢ♖ኒᩰሶ᷹ቯࠍⴕߞߚ‫⴫ޕ‬㧝ߦ␜ߔࠃ߁ߦ‫⹜ޔ‬ᢱ B ߢߪᒁᒛࠅᔕജࠍ 280MPa ߹ߢട߃ߚ޽ߣ㒰⩄ߒߚ߽ߩߢ‫ޔ‬ᒁᒛᱡߣ᳗ਭᱡ㊂ߪ⴫ਛߦ␜ߔ୯ߣߥߞߚ‫⹜ޕ‬ᢱ C ߢߪ 280MPa ߣ 28MPa ߩ㑆ߢ㧡㧜࿁➅ࠅ㄰ߒᄌᒻࠍਈ߃ߚ߽ߩߢ޽ࠆ‫ޕ‬㪇㪅㪋㪇㪅㪊㪌㪇㪅㪊㪇㪅㪉㪌㪇㪅㪉㪇㪅㪈㪌㪇㪅㪈㪇㪅㪇㪌

A0.2p

Ae.l.

㪇㪇㪇㪅㪈㪇㪅㪉㪇㪅㪊㪇㪅㪋㪇㪅㪌㪇㪅㪍㪇㪅㪎Aa (%)࿑㧝 ቶ᷷ߢ᳞߼ߚᒁᒛᱡߣ᳗ਭᱡߩ㑐ଥ䋭㩷㪉㪇㪇㩷䋭㪇㪅㪏⴫㧝 ♖ኒᩰሶቯᢙ߆ࠄ᳞߼ߚᩰሶᱡߣᯏ᪾⹜㛎߆ࠄ᳞߼ߚ᳗ਭᱡߩ㑐ଥ
SymbolTreatment'b/b'b/b

Applied Strain

Permanent(020)(040)

Aa [%]

Strain[%][%]Ap [%]

AAs received

0000B

280 MPa load

0.047

0.033

0.30

0.04

C

280/28 MPa

0.078

0.067

0.325

0.075

50 Fatigue
D325 MPa load

0.105

0.097

0.435

0.128

E

1.6% strain

0.258

0.229

1.61.27

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