長岡工業高等専門学校研究紀要
3D プリンタにより作製した人工空洞付き樹脂構造体に対する熱的探傷試験
第51巻（2015）⺰ ᢥ

3Dࡊ࡝ࡦ࠲ߦࠃࠅ૞⵾ߒߚੱᎿⓨᵢઃ߈᮸⢽᭴ㅧ૕ߦኻߔࠆᾲ⊛ត்⹜㛎123ୖᯅ ⾆ᒾ ࡮ਣጟ ብᄥ㇢ ࡮੗ጊ ᔀ㇢1 㐳ጟᛛⴚ⑼ቇᄢቇ㧔Department of Mechanical Engineering, Nagaoka University of Technology㧕
2 㐳ጟᛛⴚ⑼ቇᄢቇ㧔Department of Mechanical Engineering, Nagaoka University of Technology㧕
3 ᯏ᪾Ꮏቇ⑼㧔Department ofMechanical Engineering, National Institute of Technology, Nagaoka College㧕 Thermal Testing for Resin Structure Including Artificial Cavity

Made by Three-Dimensional Printer123

Takahiko KURAHASHI , Kotaro MARUOKA and Tetsuro IYAMA
Abstract

In this study, the thermal testing is carried out by using the resin structure with artificial cavity made by
three-dimensional printer. There are some non-destructive testing method such as the ultrasonic testing
method, the thermal testing method and so on. It is known that the size of defect can be found at the target
point by using the ultrasonic testing method. On the other hand, the thermal testing method has acharacteristic that the location of the defect, the cavity, the corrosion and so on, can be found on the target
surface. However, the shape of defect can’t be correctly found by only using the heat image on target
surface. Therefore, the purpose of this study is to construct a system that we can confirm the relationshipbetween size of defect and the observed temperature data, i.e., the heat image and the time history ofobserved temperature data, by using the resin structure with artificial cavity. The resin structure is madeby the three dimensional printer, and there is an advantage that the size and the shape of cavity can bechanged freely by using the three dimensional printer.
Key Words : thermal testing method, three-dimensional printer, artificial cavity㧝㧚ᐨ⺰ 㕖⎕უᬌᩏᚻᴺߣߒߡߪ㧘ᛂ㖸⹜㛎1)߿⿥㖸ᵄត்⹜㛎2)㧘᷵㔚ᵹត்⹜㛎3)㧘ᾲ⊛ត்⹜㛎4)╬߇᜼ߍࠄࠇࠆ㧚ታ㓙ߦㆡ↪ߔࠆ႐ว㧘ᰳ㒱ߩᷓߐ߿ኻ⽎ߣߔࠆ᧚ᢱ╬ߦኻߒߡㆡಾߥᣇᴺࠍㆬቯߒ㧘♖ᐲ⦟ߊᰳ㒱ᬌ಴ࠍⴕ߁ߎߣ߇ᦸ߹ࠇࠆ㧚ᧄ⎇ⓥߢߪ㧘ᾲ⊛ត்⹜㛎ߦ⌕⋡ߒ㧘⎇ⓥࠍⴕ߁㧚ߎߩ⹜㛎ᴺߪ㧘ࠨ࡯ࡕࠣ࡜ࡈࠖߦࠃࠆᾲ↹௝߆ࠄᰳ㒱ߩ᦭ήࠍត்ߔࠆ߽ߩߢ޽ࠅ㧘㕙⊛ߦᰳ㒱ត்ࠍⴕ߁ߎߣߩߢ߈ࠆ೑ὐࠍᜬߟ㧚࿑ߦ᭴ㅧ૕ౝㇱߩਛᄩߦⓨᵢࠍ᦭ߔࠆ⹜ᢱࠍਅ㕙߆ࠄᾲߒߚ႐วߩ਄㕙ߦ߅ߌࠆᾲ↹௝ߩ৻଀ࠍ␜ߔ㧚ⓨᵢᄖ஥ߦᲧߴߡ㧘ⓨᵢ਄ㇱߩ᷷ᐲ߇㜞ߊߥߞߡ߅ࠅ㧘⹜ᢱౝߦⓨᵢ╬ߩᰳ㒱߇޽ࠆ႐วߪ㧘⹜ᢱ⴫㕙ߦ߅޿ߡ᷷ᐲ߇⇣ߥࠆߎߣ߇ࠊ߆
ࠆ㧚ߒ߆ߒߥ߇ࠄ㧘ᰳ㒱ߩࠨࠗ࠭߿ᷓߐߦࠃࠅ㧘ᰳ㒱ߩᬌ಴߇࿎㔍ߦߥࠆߎߣ߇޽ࠆ㧚ߘߎߢᧄ⎇ⓥߢߪ㧘ⓨᵢߩᒻ⁁ࠍ⥄↱ߦᄌ߃ߡ㧘ᾲ⊛ត்⹜㛎ߩ੐

−11−

倉橋

貴彦・丸岡

宏太郎・井山徹郎

೨ᬌ⸛ࠍⴕ߁ߚ߼ߦ㧘3Dࡊ࡝ࡦ࠲ߦࠃࠅ૞⵾ߒߚ
⹜ᢱࠍ↪޿ߡ㧘ᾲ⊛ត்⹜㛎ࠍⴕ߁㧚߹ߚ㧘዁᧪⊛ߦ㧘⹜ᢱ⴫㕙ߩ᷷ᐲࠍ૶ߞߡⓨᵢߩ૏⟎߿ᒻ⁁ࠍ᳞߼ࠆㅒ⸃ᨆ߳ߩ⊒ዷࠍ⠨߃㧘ᢙ୯ࠪࡒࡘ࡟࡯࡚ࠪࡦߦࠃࠆᬌ⸛߽ታᣉߔࠆ㧚࿑-2  ⹜ᢱ૞⵾ߦ↪޿ߚ 3D ࡊ࡝ࡦ࠲Ⓧጀᣇะ

࿑-1  ᾲ⊛ត்⹜㛎ߩ᭽ሶ㧞㧚⹜ᢱ૞⵾ߦ↪޿ߚ3Dࡊ࡝ࡦ࠲߅ࠃ߮⹜ᢱߩ઀᭽ߦߟ޿ߡ߹ߕ㧘࠰࡝࠶࠼ࡢ࡯ࠢࠬߦࠃࠅౝㇱߦⓨᵢࠍ᦭ߔࠆ3ᰴర᭴ㅧࡕ࠺࡞ߩ࿑㕙૞ᚑࠍⴕ޿㧘3Dࡊ࡝ࡦ࠲ߦࠃࠆ⹜ᢱߩ૞⵾ࠍⴕߥ߁㧚࿑ߦᧄ⎇ⓥߢ↪޿ߚ
3Dࡊ࡝ࡦ࠲(Zortrax␠⵾M200)ࠍ␜ߔ㧚ㅧᒻᣇᑼߪ
ᾲṁ⸃Ⓧጀᣇᑼ㧔FDMᣇᑼ㧕ߢ޽ࠅ㧘ᦨᄢㅧᒻࠨ
ࠗ࠭ߪ200mm×200mm×200mm㧘ᦨዊⓍጀࡇ࠶࠴ߪ
0.09mmߢ޽ࠆ㧚ㅧᒻ‛ߩኸᴺ⺋ᏅߪX㧘Yᣇะߦߟ޿ߡߪ߅ࠃߘ±0.2mm㧘Zᣇะߦ±0.05mm⒟ᐲߢ㧘ᧄ⎇ⓥߦߡ↪޿ࠆ⹜ᢱߩᒻ⁁ࠍㅧᒻߔࠆߦߪචಽߥㅧ
ᒻ♖ᐲࠍ᦭ߒߡ޿ࠆ㧚߹ߚᧄ⎇ⓥߢ૞ᚑߔࠆ⹜ᢱߩ࿑㕙ࠍ࿑-3ߦ␜ߔ㧚⹜ᢱߩࠨࠗ࠭ߪ᏷100mm㧘ᅏⴕ100mm㧘ෘߐ20mm
ߢ޽ࠅ㧘ਛᄩߩᬦ౞૕ߩⓨᵢߪ⋥ᓘ90mm㧘ෘߐ
15mmߢ޽ࠆ㧚⹜ᢱߩ૞⵾ߦ޽ߚߞߡ㧘ㅧᒻ᧚ᢱߪ
ABS᮸⢽ࠍណ↪ߒ㧘0.19mmߩⓍጀࡇ࠶࠴ߢㅧᒻߒ
ߚ㧚Ⓧጀߩᣇะߪ⹜ᢱߩ㐳ᚻᣇะߣߒ㧘ࠨࡐ࡯࠻᧚
ࠍ↪޿ߥ޿᧦ઙߢㅧᒻࠍⴕߞߚ㧚

࿑-3  ⹜ᢱ૞ᚑ࿑㕙㧟㧚ౝㇱߦⓨᵢࠍ᦭ߔࠆ᮸⢽᭴ㅧ૕ߦኻߔࠆ
ᾲ⊛ត்⹜㛎 ࿑ߦ␜ߔ⹜ᢱߩⓨᵢߩᒻ⁁ࠍၮḰߣߒߡ㧘ⓨᵢ
ߩෘߐ߇10mm,15mmߩ႐วߦߟ޿ߡᾲ⊛ត்⹜㛎ࠍⴕߞߚ㧚ታ㛎ߩ᭽ሶࠍ࿑4ߦ␜ߔ㧚࿑4ߩᏀ஥ߪࡎ
࠶࠻ࡊ࡟࡯࠻ߦਸ਼ߖߚ⹜ᢱ㧘ฝ஥ߪᾲ㔚ኻࠍ␜ߔ㧚࿑ߩ᭽ߦ㧘ࡎ࠶࠻ࡊ࡟࡯࠻ߩᏀ஥ߦⓨᵢ޽ࠅߩ⹜ᢱ㧘ฝ஥ߦⓨᵢߥߒߩ⹜ᢱࠍ2ߟਗߴߡ㧘᷷ᐲ⸘᷹−12−

3D プリンタにより作製した人工空洞付き樹脂構造体に対する熱的探傷試験

ߩታ㛎ࠍⴕߞߚ㧚᷷ᐲߩ᷹ቯὐߪ࿑ߦ␜ߔߣ߅ࠅ
ߢ޽ࠅ㧘ⓨᵢෘߩෘ޿ㇱಽߩ਄⴫㕙㧔Point A㧕ߣⓨᵢෘߩ⭯޿ㇱಽߩ਄⴫㕙㧔Point B㧕ߦ߅ߌࠆ᷷ᐲጁ
ᱧߦߟ޿ߡ᷹ቯࠍⴕߞߚ㧚 ߹ߕ㧘ᬦ౞૕ߩⓨᵢෘߐ߇15mmߩࡕ࠺࡞ߣⓨᵢߩߥ޿ࡕ࠺࡞ߦߟ޿ߡ㧘 Point A߅ࠃ߮Point Bߩߘࠇߙࠇߩὐߦ߅ߌࠆ᷷ᐲጁᱧߩᲧセࠍⴕߞߚ㧚⚿ᨐࠍ࿑߅ࠃ߮࿑ߦ␜ߔ㧚⚿ᨐߣߒߡ㧘Point Bߦ߅޿ߡߪ㧘᷷ᐲጁᱧߪⓨᵢߩ᦭ήߦ㑐ࠊࠄߕ㧘ߘࠇ⒟⚿ᨐߦ㆑޿ߪ⷗ฃߌࠄࠇߥ޿߇㧘Point Aߦ߅޿ߡ㧘ⓨᵢߩሽ࿷ߔࠆ႐วߪ㧘ⓨᵢ߇ή޿႐วߦᲧߴߡห
ᤨೞߦ߅ߌࠆ᷷ᐲ߇㜞ߊߥࠆ௑ะ߇ᓧࠄࠇߚ㧚ߎࠇߪ㧘ⓨᵢߩౝㇱߢ᷷߼ࠄࠇߚ᷷ᐲ߇ⓨᵢ਄㕙ߩ᷷ᐲࠍ਄᣹ߐߖࠆߚ߼㧘⚿ᨐߣߒߡⓨᵢ਄ㇱߩ⴫㕙᷷ᐲߪⓨᵢ߇ή޿ࡕ࠺࡞ߩ⚿ᨐߦᲧߴߡ㧘㜞޿᷷ᐲࠍ␜
ߔ⚿ᨐߦߥߞߚ߽ߩߣ⠨߃ࠄࠇࠆ㧚ห᭽ߩታ㛎ࠍⓨᵢෘߐ߇10mmߩࡕ࠺࡞ߣⓨᵢߩߥ޿ࡕ࠺࡞ߦߟ޿ߡⴕ޿㧘 Point A߅ࠃ߮Point Bߩ࿑-5  ᷷ᐲߩ᷹ቯὐ

ߘࠇߙࠇߩὐߦ߅ߌࠆ᷷ᐲጁᱧߩᲧセࠍ࿑߅ࠃ߮
࿑ߦ␜ߔ㧚⚿ᨐߣߒߡPoint Aߦ߅ߌࠆⓨᵢ߇᦭ࠆ႐วߣή޿႐วߩ᷷ᐲᏅߪ㧘ⓨᵢෘߐ߇ෘ޿ࡕ࠺࡞
(15mmߩࡕ࠺࡞)ߩ႐วߦᲧߴߡ㧘ዊߐ޿ߎߣ߇⷗
ߡขࠇࠆ㧚ߎߩࠃ߁ߦ㧘ⓨᵢߩෘߐߩ㆑޿ߦࠃࠅ㧘⹜ᢱ⴫㕙ߦ߅ߌࠆ᷷ᐲጁᱧߦ㆑޿߇↢ߓࠆߎߣ߇ࠊ
߆ࠆ㧚

࿑-6  Point A ߦ߅ߌࠆ᷷ᐲጁᱧߩᲧセ㧔ⓨᵢෘߐ 15mm ࡕ࠺࡞㧕࿑-4  ታ㛎ᤨߩ᭽ሶ

࿑-7 Point B ߦ߅ߌࠆ᷷ᐲጁᱧߩᲧセ㧔ⓨᵢෘߐ15mmࡕ࠺࡞㧕−13−倉橋貴彦・丸岡宏太郎・井山徹郎ࡘߪታ㛎ᤨߣหߓ᭽ሶࠍ␜ߔߚ߼ߦ↪ᗧߒߚߛߌߢ޽ࠅ㧘ᾲવዉߩ⸘▚ߢߪ⸃ᨆ߆ࠄ㒰ᄖߒߡ޿ࠆ㧚

࿑-8  Point A ߦ߅ߌࠆ᷷ᐲጁᱧߩᲧセ㧔ⓨᵢෘߐ 10mm ࡕ࠺࡞㧕
࿑-10  ᦭㒢ⷐ⚛ࡔ࠶ࠪࡘ࿑
⴫-1 ࡔ࠶ࠪࡘ᧦ઙ▵ὐᢙ

ⷐ⚛ᢙ

2,849

10,779878

2,628994

3,498ࡊ࡟࡯࠻⹜ᢱ ⓨᵢෘ
15mm
⹜ᢱⓨᵢήߒ

⴫-2 ᧚ᢱߩᾲ⊛‛ᕈ୯ABS

࿑-9  Point B ߦ߅ߌࠆ᷷ᐲጁᱧߩᲧセ㧔ⓨᵢෘߐ 10mm ࡕ࠺࡞㧕ኒᐲ
[g/cm3]

Ყᾲ[J/kg䊶K]

0.75

1,386

ᾲવዉ₸
[W/m䊶K]
0.2256⴫-3 ᾲવ㆐₸㧠㧚ᾲ⊛ត்⹜㛎⚿ᨐߦኻߔࠆౣ⃻ࠪࡒࡘ࡟
࡯࡚ࠪࡦ

ABS

ᄖ⴫㕙
[W/m䊶K]ⓨᵢ⴫㕙
[W/m䊶K]

10.0

10.0ᰴߦ㧘೨┨ߦ߅޿ߡⴕߞߚⓨᵢෘߐ15mmߩࡕ࠺࡞ ߦ ኻ ߔ ࠆ ⹜ 㛎 ߩ ౣ ⃻ ࠪ ࡒ ࡘ ࡟ ࡯ ࠪ ࡚ ࡦ ࠍ SolidWorks Simulationߦࠃࠅⴕߞߚ㧚ᤨ㑆Ⴧಽ㊂ǻtߪ10sߣߒ㧘࿑㧘⴫ߦ␜ߔ᦭㒢ⷐ⚛ࡔ࠶ࠪࡘࠍ↪޿ࠆ㧚⹜ᢱో૕ߩೋᦼ᷷ᐲߪ299.6K(=26.6͠)ߣߒ㧘⹜
ᢱߩ᧚ᢱ(ABS)ߩᾲ⊛‛ᕈ୯ߪ⴫ߦ␜ߔ୯ࠍ↪޿ࠆ㧚߹ߚ㧘⹜ᢱߩᄖ⴫㕙㧔⹜ᢱਅ㕙߽฽߻㧕߅ࠃ߮ⓨᵢߩ⴫㕙ߩᾲવ㆐ଥᢙߪ⴫ߩࠃ߁ߦਈ߃㧘ᄖ᳇ߦ⸅ࠇߡ޿ࠆㇱಽߩෳᾖ๟࿐᷷ᐲߪታ㛎ᤨߩᄖ᳇᷷
ߣߒ㧘299.9K㧔=26.9͠㧕ࠍਈ߃ࠆ㧚߹ߚ㧘⹜ᢱౝㇱߩⓨᵢߦ߅ߌࠆෳᾖ๟࿐᷷ᐲߪ⹜ᢱౝㇱߢታ㛎ᤨߦታ᷹ߒߚ᷷ᐲ㧔࿑㧕ࠍਈ߃ࠆߎߣߦߔࠆ㧚߹ߚ㧘⹜ᢱਅ㕙ߩ᷷ᐲߪࡎ࠶࠻ࡊ࡟࡯࠻⴫㕙ߩታ᷹᷷ᐲ㧔࿑㧕ࠍෳᾖ๟࿐᷷ᐲߣߒߚᾲવ㆐᧦ઙߣߒߡਈ߃ࠆߎߣߦߔࠆ㧚ࡎ࠶࠻ࡊ࡟࡯࠻ㇱಽߩࡔ࠶ࠪ

࿑-11  ⹜ᢱౝߩⓨᵢਛߦ߅ߌࠆ᷷ᐲጁᱧ㧔ታ㛎ᤨ㧕

−14−

3D プリンタにより作製した人工空洞付き樹脂構造体に対する熱的探傷試験

࿑-12  ࡎ࠶࠻ࡊ࡟࡯࠻⴫㕙ߩ᷷ᐲጁᱧ㧔ታ㛎ᤨ㧕࿑-14  Point A ߦ߅ߌࠆ᷷ᐲጁᱧߩᲧセ㧔ⓨᵢෘߐ 15mm ࡕ࠺࡞㧕 ⸃ᨆ⚿ᨐࠍએਅߦ␜ߔ㧚࿑ߪt=1000sᤨߦ߅ߌࠆ᷷ᐲߩࠦࡦ࠲࡯࿑ࠍ␜ߒߡ߅ࠅ㧘ታ㛎ᤨߦวࠊߖߡᏀ஥߇ⓨᵢ޽ࠅߩࡕ࠺࡞㧘ฝ஥߇ⓨᵢߥߒߩࡕ࠺࡞ߣߥߞߡ޿ࠆ㧚⚿ᨐߣߒߡ㧘ⓨᵢ޽ࠅߩࡕ࠺࡞ߩⓨᵢ਄ㇱ਄⴫㕙ߩ᷷ᐲߪⓨᵢߥߒߩࡕ࠺࡞ߦᲧߴߡ㧘⧯ᐓ㜞޿᷷ᐲࠍ␜ߒߡ޿ࠆߎߣ߇ࠊ߆ࠆ㧚߹ߚPoint A㧘Bߦ߅ߌࠆ⸃ᨆ⚿ᨐߣታ㛎⚿ᨐߩᲧセࠍ ࿑ ߅ࠃ߮ ࿑ ߦ␜ߔ㧚⚿ᨐߣߒߡ㧘⸃ᨆ㐿ᆎߩᆎ߼ߩᣇߪታ㛎ᤨߦ߅ߌࠆ᷹ቯ᷷ᐲߣ⦟޿৻⥌ࠍ␜ߒߡ޿ࠆ߇㧘⸃ᨆᓟඨߩ᷷ᐲߪታ㛎⚿ᨐߣ㔌ࠇࠆ⚿ᨐߣߥߞߡ޿ࠆߎߣ߇ࠊ߆ࠆ㧚

࿑-15 Point B ߦ߅ߌࠆ᷷ᐲጁᱧߩᲧセ㧔ⓨᵢෘߐ15mmࡕ࠺࡞㧕
22
1 1200s comput.
IA I Aobs.  IBcomput.  IBobs. dt  (1)³0s2⹏ଔ㑐ᢙߩ⸘▚ߪบᒻೣߦࠃࠅⴕߞߚ㧚⹏ଔ㑐ᢙߩ୯ߩᲧセ࿑ࠍ ࿑ ߦ␜ߔ㧚⚿ᨐߣߒߡ㧘
⴫-2ߦ␜ߔᾲવዉ₸ࠍ0.1354[W/m࡮K]㧔⴫-2ߩᾲવዉ₸ࠍ0.6୚ߒߚ୯㧕㧘⴫-3ߦ␜ߔⓨᵢ⴫㕙ߩᾲવ㆐₸ࠍ7[W/m2 ࡮K]ߣߒߚ႐วߩPointA㧘Bߦ߅ߌࠆ⸃ᨆ⚿ᨐߣታ㛎⚿ᨐ߇ᦨ߽৻⥌ߔࠆ⚿ᨐߣߥߞߚ㧚Point A㧘Bߦ߅ߌࠆ⸃ᨆ⚿ᨐߣታ㛎⚿ᨐߩ᷷ᐲጁᱧߩᲧセࠍ ࿑ ߅ࠃ߮࿑ߦ␜ߔ㧚࿑ࠃࠅ㧘Point Aߦ߅޿ߡ⸃ᨆ⚿ᨐߣታ㛎⚿ᨐߩ㑆ߦ⧯ᐓߩᏅߪ޽ࠆ߽ߩߩ㧘ਔ⚿ᨐߪ⦟ߊ৻⥌ߒߡ޿ࠆߎߣ߇ࠊ߆ࠆ㧚J

࿑-13  ᾲવዉ⸃ᨆߩ⚿ᨐ㧔t=1000s ᓟ㧕㧔Ꮐ㧦ⓨᵢ޽ࠅ㧘ฝ㧦ⓨᵢߥߒ㧕ߎߎߢ㧘ታ㓙ߩ⹜ᢱߩᢿ㕙ࠍ⷗ࠆߣ㧘ᩰሶ⁁ߦABS߇✬ߺㄟ߹ࠇࠆᒻߢ⹜ᢱ߇૞⵾ߐࠇߡ߅ࠅ㧘⧯ᐓߩ㓗㑆߇ሽ࿷ߔࠆߎߣ߇ࠊ߆ࠆ㧔࿑㧕㧚ߘߎߢ㧘ᑼ(1)ߩ⹏ଔ㑐ᢙࠍ↪޿ߡ㧘ߎߩ⹜ᢱౝㇱߩ㓗㑆ߩᓇ㗀ࠍ⠨ᘦߔࠆߚ߼㧘ᾲવዉ₸߅ࠃ߮ⓨᵢ⴫㕙ߩᾲવ㆐₸ߦ㑐ߔࠆࡄ࡜ࡔ࡯࠲หቯࠍⴕ߁㧚⸘᷹ὐA߅ࠃ߮Bߦ߅ߌࠆ⸃ᨆ⚿ᨐࠍ I comput. 㧘ታ㛎⚿ᨐࠍ I obs. ߣߔࠆ㧚−15−倉橋貴彦・丸岡宏太郎・井山徹郎

࿑-16  ABS ߩ⹜ᢱᢿ㕙ߩ᜛ᄢ౮⌀࿑-19 Point B ߦ߅ߌࠆ᷷ᐲጁᱧߩᲧセ㧔ⓨᵢෘߐ15mmࡕ࠺࡞㧦ࡄ࡜ࡔ࡯࠲หቯᓟ㧕
⴫-4 ࡔ࠶ࠪࡘ᧦ઙ▵ὐᢙ

ⷐ⚛ᢙ

888

2,694

⹜ᢱ ⓨᵢෘ
10mm

⴫-5 ᧚ᢱߩᾲ⊛‛ᕈ୯㧔ᾲવዉ₸ߩ୯ࠍหቯᓟ㧕

࿑-17  ⹏ଔ㑐ᢙߩᾲવዉ₸߅ࠃ߮ABSኒᐲ
[g/cm3]

Ყᾲ[J/kg䊶K]

0.75

1,386

ᾲવዉ₸
[W/m䊶K]
0.1354ⓨᵢ⴫㕙ߩᾲવ㆐₸ߦኻߔࠆᄌൻ
⴫-6 ᾲવ㆐₸ABSᄖ⴫㕙
[W/m䊶K]ⓨᵢ⴫㕙
[W/m䊶K]

10.0

7.0⸃ᨆ⚿ᨐߣታ㛎⚿ᨐߩᲧセࠍ࿑߅ࠃ߮࿑ߦ␜ߔ㧚⚿ᨐߣߒߡ㧘หቯߒߚᾲવዉ₸ࠍㆡ↪ߔࠆߎߣߦࠃࠅ㧘⸃ᨆ⚿ᨐߣታ㛎⚿ᨐ߇⦟޿৻⥌ࠍ␜ߒߡ޿ࠆߎߣ߇ࠊ߆ࠆ㧚ߎߩ⚿ᨐࠃࠅ㧘หቯߒߚᾲવዉ₸ߩ୯ߩ⏕߆ࠄߒߐࠍ⏕⹺ߔࠆߎߣ߇ߢ߈ࠆ㧚
࿑-18  Point A ߦ߅ߌࠆ᷷ᐲጁᱧߩᲧセ㧔ⓨᵢෘߐ 15mm ࡕ࠺࡞㧦ࡄ࡜ࡔ࡯࠲หቯᓟ㧕ᰴߦ㧘ࡄ࡜ࡔ࡯࠲หቯߦࠃࠅᓧࠄࠇߚABSߩᾲવዉ₸߅ࠃ߮ⓨᵢ⴫㕙ߩᾲવ㆐₸ߩᅷᒰᕈࠍ⏕⹺ߔࠆߚ߼ߦ㧘ⓨᵢߩෘߐ߇10mmߩࡕ࠺࡞㧔 ⴫ 㧕ߦኻߒߡ㧘ታ㛎߅ࠃ߮⸃ᨆߦࠃࠆ
Point A߅ࠃ߮Point Bߦ߅ߌࠆ᷷ᐲጁᱧߩᲧセࠍⴕ߁㧚ABSߩᾲવዉ₸߅ࠃ߮ⓨᵢ⴫㕙ߩᾲવ㆐₸ߩหቯࠍⴕߞߚߚ߼㧘 ⴫߅ࠃ߮⴫ ߦᧄ┨ߢ↪޿ࠆ⹜ᢱABSߩᾲ⊛‛ᕈ୯߅ࠃ߮ᾲવ㆐
₸ࠍౣឝߔࠆ㧚−16−

࿑-20 Point A ߦ߅ߌࠆ᷷ᐲጁᱧߩᲧセ㧔ⓨᵢෘߐ 10mm ࡕ࠺࡞㧕

3D プリンタにより作製した人工空洞付き樹脂構造体に対する熱的探傷試験

ߩࠃ߁ߦ㧘ᢛᒻߐࠇߚ⹜ᢱౝㇱߩⓨᵢࠍ᦭ߔࠆࡕ࠺
࡞ߦኻߒߡ㧘ⓨᵢߩᒻ⁁หቯ⸃ᨆࠍⴕ߁ߎߣߢ㧘⸃ᨆࡊࡠࠣ࡜ࡓߦ߅޿ߡᡷ⦟ߔߴ߈ὐ╬ࠍ᣿ࠄ߆ߦߒ
ߚ਄ߢ㧘⎇ⓥߩታᣉ߇น⢻ߦߥࠆ߽ߩߣ⠨߃ߡ޿ࠆ㧚੹ᓟߪ㧘ᧄ⎇ⓥߦ߅޿ߡᓧࠄࠇߚ⍮⷗ࠍ߽ߣߦ㧘ⓨᵢߩᒻ⁁หቯ⸃ᨆ㧔ㅒ⸃ᨆ㧕߳⊒ዷߐߖࠆߎߣࠍ⠨߃ߡ޿ࠆ㧚⻢ㄉ㧦ᧄ⺰ᢥࠍၫ╩ߔࠆߦ޽ߚࠅ㐳ጟᛛⴚ⑼ቇᄢቇ
ࠃࠅ‫ޟ‬H27ᐕᐲ 㜞ኾ㧙㐳ጟᛛ⑼ᄢ౒ห⎇ⓥഥᚑ‫߅ޠ‬ࠃ߮‫ޟ‬ᰴ਎ઍ߽ߩߠߊࠅᛛⴚߩၮ⋚ߣߥࠆ⿥㜞ା㗬ᕈ᧚ᢱഃᚑ੐ᬺ‫ߩޠ‬េഥࠍฃߌߚ㧚ߎߎߦ⻢ᗧࠍ⴫ߔ㧚߹ߚ㧘ᾲ⊛ត்⹜㛎ߩታᣉߦ૶↪ߒߚᯏེߩ৻ㇱߪ㧘㐳ጟᎿᬺ㜞╬ኾ㐷ቇᩞ ᯏ᪾Ꮏቇ⑼ ᴡ↰೰Პ ᢎ᝼ࠃࠅ୫↪ߒߚ߽ߩߢ޽ࠆ㧚วࠊߖߡߎߎߦ⻢ᗧࠍ⴫ߔ㧚

࿑-21 Point B ߦ߅ߌࠆ᷷ᐲጁᱧߩᲧセ㧔ⓨᵢෘߐ10mmࡕ࠺࡞㧕㧡㧚⚿⺰ᧄ⎇ⓥߢߪ㧘3Dࡊ࡝ࡦ࠲ߦࠃࠅ૞⵾ߒߚⓨᵢࠍ᦭ߔࠆABS⹜ᢱߦኻߒߡ㧘ᾲ⊛ត்⹜㛎ߩታ㛎߅ࠃ߮⸃ᨆࠍⴕߞߚ㧚ታ㛎ߩᣇߢߪ㧘ⓨᵢ߇޽ࠆ⹜ᢱߩ
႐ว㧘ⓨᵢ߇ߥ޿႐วߦᲧߴߡ㧘ⓨᵢߩ਄ㇱߦ߅޿ߡ᷷ᐲ߇㜞ߊߥࠆ⚿ᨐ߇ᓧࠄࠇߚ㧚߹ߚ㧘⸃ᨆߦ߅޿ߡߪ㧘⹜ᢱ૞⵾ߩ♖ᐲ߽⠨ᘦߔࠆߚ߼㧘ABSߩᾲવዉ₸ߩหቯࠍⴕߞߚ㧚⚿ᨐߣߒߡ㧘ㅢᏱߩABSߩᾲવዉ₸ࠃࠅૐ߼ߩᾲવዉ₸ࠍ⸳ቯߔࠆߎߣߢ㧘ታ㛎ߣ⸃ᨆ⚿ᨐ߇ห⒟ᐲߦߥࠆߎߣࠍ⏕⹺ߢ߈ߚ㧚዁᧪ߩዷᦸߣߒߡߪ㧘ⓨᵢࠍ⥄↱ߦ૞ࠆߎߣߩߢ
߈ࠆ3Dࡊ࡝ࡦ࠲ߩ․ᕈࠍᵴ߆ߒ㧘⹜ᢱౝㇱߩⓨᵢᒻ⁁ߩหቯ໧㗴߳⊒ዷߐߖࠆߎߣࠍ⠨߃ߡ޿ࠆ㧚ታ㓙ߦߪ㧘ⓨᵢ߿⹜ᢱౝߩᰳ㒱ߩᒻ⁁ߩ⹦⚦߇ਇ᣿ߥ⁁ᘒ㧘޽ࠆ޿ߪ૞⵾ߢ߈ߡ޿ߡ߽ᒻ⁁ߩಳಲ߇ỗߒ޿႐ว╬㧘ᰳ㒱ߩᒻ⁁หቯ⸃ᨆߩᬌ⸽ߣߒߡߪ⚿ᨐ
ߩ․ᕈࠍᛠីߒߦߊ޿႐ว߇ᄙ޿㧚ߘߎߢ㧘ᧄ⎇ⓥෳ⠨ᢥ₂1)⏷శᄦ, ਭ଻↰๺ᓼ㧘ศኅ⾫๋㧘⇗ਛ⌀৻㧘⿧ᓟṑ㧘ᯌศብ㧘 "ᛂ㖸ᴺߦࠃࠆวᚑᐥ

ߩ㕖⎕უᬌᩏᚻᴺߦ

㑐ߔࠆ⎇ⓥ"㧘Ꮉ↰ᛛႎ, Vol.27, pp.30-35, 2008.
2)㕍ጊ㓁੫㧘”⿥㖸ᵄត்ⵝ⟎ߦࠃࠆ㍑ਛࡑࠢࡠ੺࿷‛⹏ ଔ ᛛ ⴚ ߩ 㐿 ⊒ ”, Sanyo Technical Report, Vol.21,pp.54-61,2014.

3)ዊ੗ᚭ⚐ม, ട⮮ୃ৻, “ౝᝌࠦࠗ࡞ࠍ↪޿ߚࡄ࡞ࠬ᷵㔚ᵹ⹜㛎ߦࠃࠆᒝ⏛ᕈવᾲ▤ߩត்”, 㕖⎕უᬌᩏ,Vol.61, No.7, pp.331-340, 2012.

4)

−17−

ୖᯅ⾆ᒾ, ᄢਅ⧷ศ, “ࠦࡦࠢ࡝࡯࠻⴫㕙ߦ߅ߌࠆታ⸘᷹᷷ᐲࠍ↪޿ߚㇱಽ⣣㘩㗔ၞࠍ᦭ߔࠆ㋕╭ࠦࡦࠢ࡝࡯࠻ߦኻߔࠆ㋕╭⣣㘩ᒻ⁁ߩផቯ໧㗴”, ᣣᧄᔕ↪ᢙ
ℂቇળ⺰ᢥ⹹, Vol.23, No.3, pp.25-44, 2011.
(2015. 9. 17 ฃઃ)