ロケット燃焼室におけるニッケル電鋳特性向上に関する基礎研究

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Title

ロケット燃焼室におけるニッケル電鋳特性向上に関する

_基礎研究

Author(s)

東野, 和幸; 駒崎, 慎一; 笹山, 容資; 木元, 健一; 坂口, 裕之;

_{石橋, 利幸}

Citation

室蘭工業大学紀要 Vol.58, pp.25-31 ,2009

Issue Date

2009-02

URL

http://hdl.handle.net/10258/426

Rights

ࡠࠤ࠶࠻Ά὾ቶߦ߅ߌࠆ࠾࠶ࠤ࡞㔚㍌․ᕈะ਄ߦ㑐ߔࠆ

ၮ␆⎇ⓥ

᧲㊁๺ᐘ*1_{࡮㚤ፒᘕ৻}*2_{࡮╣ጊኈ⾗}*3_{࡮ᧁరஜ৻}*4_{࡮ဈญ⵨ਯ}*5_{࡮⍹ᯅ೑ᐘ}*6

Fundamental Study of Improved Nickel Electroforming for the

Regenerative Rocket Chamber

Kazuyuki HIGASHINO, Shinichi KOMAZAKI, Yousuke SASAYAMA, Kenichi KIMOTO, Hiroyuki SAKAGUCHI and Toshiyuki ISHIBASHI

㧔ේⓂฃઃᣣ ᐔᚑ 20 ᐕ 6 ᦬ 20 ᣣ   ⺰ᢥฃℂᣣ ᐔᚑ 20 ᐕ 11 ᦬ 7 ᣣ㧕

Abstract

For the regenerative cooling cycle LNG rocket engines, improvement Nickel Electroforming technology and analysis are major problem because of high reliability and low cost at the design and fabrication. This paper describes analysis methods, results and the successful improvement Nickel Electroforming of the stress and strain level at the Electron beam heat zone.

Keywords : Rocket Engine, Chamber, Nickel Electroforming

㧝㧚✜⸒  ࡠࠤ࠶࠻↪ౣ↢಄ළΆ὾ቶߦ߅ߌࠆਥ᭴ᚑⷐ ⚛ߢ޽ࠆᄖ╴⵾ㅧᣇᴺߦߪ࠾࠶ࠤ࡞㔚㍌ࠍ↪޿ ߡ㧘ౝ╴⚛᧚ߢ޽ࠆ㌃ว㊄ߦෘߠߌߔࠆᣇᴺ߇ ޽ࠅࠪࡦࡊ࡞ߥߚ߼㧘ା㗬ᕈ⏕଻߿ౣ૶↪ߥߤ ߩૐࠦࠬ࠻ൻߥߤߩⷰὐ߆ࠄᦸ߹ߒ޿㧚ᧄ⎇ⓥ ႎ๔ߢߪ㔚㍌ߩ⵾ㅧ㕙߆ࠄᒁᒛ․ᕈߩ⚿᥏ᣇะ ଐሽᕈ߿ࡑ࠾ࡎ࡯࡞࠼ⵝ⌕ߦ઻߁ṁធߩᾲᓇ㗀 ߥߤߩ⺖㗴ߦ㑐ߒߡ㧘Ꮏ⒟ᡷༀ೨ᓟߩଏ⹜૕ߦ  *1 ⥶ⓨቝቮᯏࠪࠬ࠹ࡓ⎇ⓥ࠮ࡦ࠲࡯  *2 ᧚ᢱ‛ᕈᎿቇ⑼  *3 ᄢቇ㒮ඳ჻೨ᦼ⺖⒟ᯏ᪾ࠪࠬ࠹ࡓᎿቇኾ᡹  *4 㧔ᩣ㧕IHI  *5 㧔ᩣ㧕IHI ࠛࠕࡠࠬࡍ࡯ࠬ  *6 㧔ᩣ㧕NEGENT ߟ޿ߡ⚵❱ಽᨆ߿ਇ⚐‛ߩᓇ㗀⹏ଔߥߤࠍ⹦⚦ ߦታᣉߒߐࠄߦߘߩᯏ᭴ߦߟ޿ߡ⠨ኤࠍߊࠊ߃ ߚ߽ߩߢ޽ࠅ੹ᓟ⸳⸘෸߮⵾ㅧᤨߩᜰ㊎ߦߥࠆ㧚 ߎߎߢෘߠߌ࠾࠶ࠤ࡞㔚㍌ߦ߅ߌࠆᎿ⒟ᡷༀὐ ߪਥߦએਅߩㅢࠅߢ޽ࠆ(1)_㧚 (1) 㔚㍌ෘ⡺ߦ߅ߌࠆౝㇱᔕജ✭๺ (2) ࠨ࡞ࡈࠔ╬ߩࠦࡦ࠲ࡒᚑಽߩ೥ᷫ ᧄ⎇ⓥߢߪ㧘⵾ㅧᎿ⒟ߩ⇣ߥࠆ Ni 㔚㍌㔚ሶ ࡆ࡯ࡓṁធ⛮ᚻ㧔ᡷༀ೨᧚ߣ 3 ⒳㘃ߩᡷༀ᧚㧕ߦ ߟ޿ߡ㧘ߘࠇࠄߩࡒࠢࡠ⚵❱ߣᯏ᪾⊛․ᕈࠍ⺞ᩏ ߒ㧘ᡷༀ᧚ߦ߅ߌࠆṁធ⛮ᚻ․ᕈะ਄ߩℂ↱ࠍ᣿ ࠄ߆ߦߔࠆߎߣࠍ⋡⊛ߣߒߚ㧚ᯏ᪾⊛․ᕈߦߟ޿ ߡߪ㧘ዊဳᒁᒛ⹜㛎ࠍቶ᷷߅ࠃ߮ᶧ૕⓸⚛᷷ᐲ 㧔-196͠㧕ߦߡⴕ߁ߣߣ߽ߦ㧘ࠬࡕ࡯࡞ࡄࡦ࠴ 㧔SP㧕⹜㛎ߦࠃࠅṁធ⛮ᚻㇱߦ߅ߌࠆᒝᐲಽᏓࠍ ṁⲢၞ㧘ᾲᓇ㗀ㇱ㧘Უ᧚㧔ஜోㇱ㧕ߦࠊߚߞߡ⺞ ᩏߒߚ㧚߹ߚ㧘ṁធᣉᎿᴺߩ㆑޿ߦࠃࠆᯏ᪾⊛․

᧲㊁๺ᐘ㧘㚤ፒᘕ৻㧘╣ጊኈ⾗㧘ᧁరஜ৻㧘ဈญ⵨ਯ㧘⍹ᯅ೑ᐘ ᕈߩᄌൻߐࠄߦߪṁធᕈะ਄ߩⷐ࿃ࠍ᣿ࠄ߆ߦߔ ࠆߚ߼㧘㔚㍌ᩇ⁁᥏ߩ⚿᥏ᚑ㐳ᣇะ㧘⚿᥏☸ᓘ㧘 ਇ⚐‛ర⚛㧔⎫㤛㧕ߥߤߩᓇ㗀ߦߟ޿ߡ⹦⚦ߦ⺞ ᩏߒߚ㧚  㧞㧚ᒁᒛ․ᕈߩ⇣ᣇᕈߦ㑐ߔࠆಽᨆౝኈ 㧞㧚㧝 ಽᨆ᭎ⷐ ᡷༀ೨᧚ߣᡷༀ᧚ࠍኻ⽎ߦߒߡ㧘EBSP㧔ᓟᣇ ᢔੂ㔚ሶ࿁᛬௝㧕ߦࠃࠆ㔚㍌ᩇ⁁᥏ߩ⚿᥏ᣇ૏⸃ ᨆࠍታᣉߒߚ㧚ട߃ߡ㧘ᡷༀ೨᧚ߣᡷༀ᧚ߩṁធ ⛮ᚻ㧔ᾲᓇ㗀ㇱ㧘ஜోㇱ㧕ࠃࠅಾ಴ߒߚ TEM ࠺ ࠖ ࠬ ࠢ ࠨ ࠗ ࠭ ߩ ⹜ 㛎   㧔 ⋥ ᓘ 3mm 㧘 ᧼ ෘ 0.25mm㧕ࠍ↪޿ߡ SP ⹜㛎ࠍቶ᷷ߣᶧ૕⓸⚛᷷ᐲ 㧔-196͠㧕ߦߡታᣉߒ㧘ਔ᧚ߩ⛮ᚻᒝᐲಽᏓࠍ ⺞ᩏߒߚ㧚ߐࠄߦ㧘Ni 㔚㍌᧚ߩṁធᕈߦ෸߷ߔ ਇ⚐‛ߩᓇ㗀ࠍ⺞ᩏߔࠆߚ߼ߦ㧘ᡷༀ೨᧚߅ࠃ ߮ᡷༀ᧚ߩਛߦ฽߹ࠇࠆਇ⚐‛㧔⎫㤛㧕ߩ㊂ࠍ ⺞ߴࠆߣߣ߽ߦ㧘EPMA㧔㔚ሶࡊࡠ࡯ࡉࡑࠗࠢ ࡠࠕ࠽࡜ࠗࠩ࡯㧕ࠍ↪޿ߡ⎫㤛ߩࡑࠢࡠಽᏓࠍ ⺞ᩏߒߚ㧚 એਅ㧘ⷐ⚂ߔࠆߣᰴߩㅢࠅߢ޽ࠆ㧚 (1)Ni 㔚㍌᧚ߩᒁᒛ․ᕈߩ⇣ᣇᕈߦ㑐ߔࠆಽᨆ 㧝㧕㔚㍌ᩇ⁁᥏ߩᚑ㐳ᣇะߩ․ቯ 㧞㧕ᒁᒛ․ᕈߩ⚿᥏ᣇะଐሽᕈߩ⸃᣿ (2)Ni 㔚㍌᧚ߩṁធᕈߦ෸߷ߔਇ⚐‛ߩᓇ㗀ߦ㑐 ߔࠆಽᨆ 㧝㧕Ni 㔚㍌᧚ౝߩਇ⚐‛㧔․ߦ⎫㤛㧕ߩ฽᦭ ㊂ߩ⸘᷹ߣሽ࿷⁁ᘒߩ⺞ᩏ 㧞㧕Ni 㔚㍌᧚ౝߩਇ⚐‛ߩ㔚ሶࡆ࡯ࡓṁធߦ ෸߷ߔᓇ㗀ߦߟ޿ߡߩ⸃᣿ 㧞㧚㧞 ଏ⹜᧚߅ࠃ߮ಽᨆᣇᴺ 㧞㧚㧞㧚㧝 ଏ⹜૕ ଏ⹜᧚ߣߒߡ㧘4 ⒳㘃ߩ Ni 㔚㍌᧚ߩ㔚ሶࡆ࡯ ࡓ㧔 EB㧕ṁធ⛮ᚻࡉࡠ࠶ࠢ㧔ᡷༀ೨᧚㧘TP11 㧔90°㧕㧘TP12㧔0°㧕㧘TP16㧔45°㧕㧕ߣ㧝⒳㘃ߩ⹜ 㛎 ࠍ↪޿ߚ㧚ᡷༀ೨᧚ߪ㧘EB ṁធߩ㓙ߦഀࠇ ߇ ౉ ߞ ߚ Ni 㔚 ㍌ ߩ ṁ ធ ⛮ ᚻ ᧚ ߢ ޽ ࠆ 㧚 TP11 㧔90°㧕㧘TP12㧔0°㧕߅ࠃ߮ TP16㧔45°㧕ߪ㧘ߘ ߩᓟߩᡷ⦟ߦࠃࠅṁធᕈࠍะ਄ߐߖߚ Ni 㔚㍌ߣ Inconel718 ߩṁធ⛮ᚻ᧚ߢ޽ࠅ㧘ߘࠇߙࠇ㔚㍌ 㕙ߣṁⲢ✢ߩⷺᐲ߇ 90°㧘0°㧘45°ߣߥࠆࠃ߁ߦ ṁធᣉᎿߒߡ޿ࠆ㧚߹ߚ㧘Ყセߩߚ߼ߦ↪޿ߚ ⹜㛎 㧔Cu-Ni㧕ߪ㧘㌃਄ߦ࠾࠶ࠤ࡞ࠍᐔⴕߦ㔚 ㍌ߒߚ⹜ᢱߢ޽ࠆ㧚 㧞㧚㧞㧚㧞 _{EBSP ಽᨆ} ᡷༀ᧚㧔TP12㧔0°㧕㧕ߣᡷༀ೨᧚߆ࠄߩ EBSP ಽᨆ↪⹜ᢱߩಾ಴ߒ⁁ᴫߣಽᨆ㕙ࠍ␜ߒߚ߽ߩ ߇࿑ 2.1 ߢ޽ࠆ㧚࿑ਛߩ㕍⍫ශߩᢿ㕙ߦኻߒߡ ಽᨆࠍታᣉߒߡ߅ࠅ㧘㔚㍌㕙㧔㔚㍌Ⓧጀᣇะ㧕 ߣᐔⴕߥ㕙ࠍಽᨆߒߚ㧚ಽᨆߪ㧘Philips ⵾ XL-30SFEG㧘࠹ࠢ࠮ࡓ࡜ࡏ࡜࠻࡝࡯࠭⵾ࠍ↪޿㧘ട ㅦ㔚࿶ 15kV㧘᷹ቯࠛ࡝ࠕ 90×90Ǵm㧘᷹ቯ㑆㓒 0.3Ǵm/ࠬ࠹࠶ࡊߩ᧦ઙߢታᣉߒߚ㧚 㧞㧚㧞㧚㧟 ࡑࠗࠢࡠࡆ࠶ࠞ࡯ࠬ⎬ߐ⹜㛎 4 ⒳㘃ߩ EB ṁធ⛮ᚻࡉࡠ࠶ࠢ㧔ᡷༀ೨᧚㧘 TP11㧔90°㧕㧘TP12㧔0°㧕㧘TP16㧔45°㧕㧕ࠍ↪޿ߡ㧘 ṁⲢ✢ߦኻߒߡု⋥ߦṁⲢㇱ߆ࠄஜోㇱߦ߆ߌ ߡߩ⎬ߐࡊࡠࡈࠔࠗ࡞ࠍ᷹ቯߒߚ㧚᷹ቯߪ㧘᧼ ෘᢿ㕙ߦኻߒߡ㧘ࡑࠗࠢࡠࡆ࠶ࠞ࡯ࠬ⎬ߐ⹜㛎 ᯏࠍ↪޿ߡ㧘⩄㊀ 10N㧘ቶ᷷ߦߡታᣉߒߚ㧚 㧞㧚㧞㧚㧠 ࠬࡕ࡯࡞ࡄࡦ࠴㧔_SP㧕⹜㛎 ࿑ 2.2 ߦ଀ࠍ␜ߔࠃ߁ߦ㧘4 ⒳㘃ߩ EB ṁធ⛮ ᚻࡉࡠ࠶ࠢ㧔ᡷༀ೨᧚㧘TP11㧔90°㧕㧘TP12㧔0°㧕㧘 TP16㧔45°㧕㧕ߦߟ޿ߡߪ㧘ṁⲢ✢ߦኻߒߡᐔⴕ ߦߥࠆࠃ߁ߦ TEM ࠺ࠖࠬࠢࠨࠗ࠭ SP ⹜㛎  㧔⋥ᓘ 3mm㧘᧼ෘ 0.25mm㧕ࠍࡢࠗࡗ࡯ࠞ࠶࠻ ᡼㔚ടᎿߦࠃࠅಾ಴ߒߚ㧚߹ߚ㧘ᐔⴕ⹜㛎ߦኻ ߒߡߪ㧘㔚㍌㕙ߣᐔⴕߦߥࠆࠃ߁ಾ಴ߒߚ㧚⹜ 㛎 ਔ㕙ࠍࡃࡈ⎇⏴㧔1Ǵm Al2O3㧕ߦߡ㏜㕙઀ ਄ߍߣߒߚᓟ㧘SP ⹜㛎ߦଏߒߚ㧚 SP ⹜㛎ߪ㧘࿑ 2.3 ߩ⹜㛎ಃౕߣࠗࡦࠬ࠻ࡠࡦ ⹜ 㛎 ᯏ ࠍ ↪ ޿ 㧘 ቶ ᷷ ߅ ࠃ ߮ ᶧ ૕ ⓸ ⚛ ᷷ ᐲ 㧔 -196͠㧕ߦߡታᣉߒߚ㧚ᶧ૕⓸⚛᷷ᐲਅߢߩ⹜㛎 ߢߪ㧘࠺ࡘࠕ࡯↉ߩਛߦᶧ૕⓸⚛ࠍ౉ࠇ㧘ߘߎ ߦಃౕో૕ࠍᶐߔߎߣߦࠃߞߡ⹜㛎ࠍⴕߞߚ㧚 ᛼ߒㄟߺ↪ࡏ࡯࡞ߣߒߡ⋥ᓘ 1mm ߩ㍑⃿ࠍ↪޿㧘 ⽶⩄ㅦᐲߪ 0.2mm/min ߣߒߚ㧚⹜㛎 ߩᄌᒻ㊂ ߪ⩄㊀✢਄ᄌ૏ߣߒ㧘ࠢࡠࠬࡋ࠶࠼ߩ⒖േ〒㔌 ࠃࠅ᷹ቯߒߚ㧚 㩷 㧞㧚㧟 ታ㛎⚿ᨐ 㧞㧚㧟㧚㧝 EBSP ಽᨆ⚿ᨐ ᡷༀ೨᧚ߪ⋥ᓘ 10Ǵm એਅߩᲧセ⊛ዊߐߥ⚿ ᥏☸ߢ᭴ᚑߐࠇߡ޿ࠆߩߦኻߒߡ㧘ᡷༀ᧚଀ߢ ޽ࠆ TP12㧔0°㧕ߦߟ޿ߡߪ㧘10Ǵm એਅߩዊߐ

ߥ⚿᥏☸ߦട߃ߡ㧘20Ǵm એ਄ߩᲧセ⊛☻ᄢߥ ⚿᥏☸߽ᄙᢙሽ࿷ߒߡ޿ࠆ㧚 ᡷༀ೨᧚߅ࠃ߮ᡷༀ᧚㧔TP12㧔0°㧕㧕ߩ⚿᥏ᣇ ૏⸃ᨆ⚿ᨐࠍ࿑ 2.4 ߦ␜ߔ㧚TP12㧔0°㧕ߢߪ㧘 ⚿᥏߇ਥߣߒߡ[001]ᣇะߦᄢ߈ߊ㈩ะߒᚑ㐳ߒ ߡ޿ࠆߩ߇ࠊ߆ࠆ㧚৻ᣇ㧘ᡷༀ೨᧚ߢߪ[101]ᣇ ะ ߦ ㈩ ะ ߒ ߡ ޿ ࠆ ௑ ะ ߽ ⹺ ߼ ࠄ ࠇ ࠆ ߽ ߩ ߩ 㧘 TP12㧔0°㧕ߦᲧߴ࡜ࡦ࠳ࡓߢ޽ࠆ㧚 㧞㧚㧟㧚㧞 ⛮ᚻߩ⎬ߐࡊࡠࡈࠔࠗ࡞ 4 ⒳㘃ߩ EB ṁធ⛮ᚻࡉࡠ࠶ࠢߩ⎬ߐࡊࡠࡈࠔ ࠗ࡞ࠍ࿑ 2.5 ߦ଀ࠍ␜ߔ㧚ᡷༀ೨᧚ߢߪ㧘ṁⲢ ㇱ㧔130Hv ⒟ᐲ㧕߇߽ߞߣ߽エࠄ߆ߊ㧘ᾲᓇ㗀 ㇱ㧔190Hv ⒟ᐲ㧕ߢ߽ߞߣ߽⎬ߊߥߞߡ޿ࠆ㧚 ᄙዋ߫ࠄߟ߈ߪ޽ࠆ߇㧘ᡷༀ೨᧚ߩஜోㇱߩ⎬ ߐߪ 160Hv ⒟ᐲߢ޽ࠆ㧚TP11㧔90°㧕ߦ߅޿ߡ ߪ㧘ṁⲢㇱ㧔190Hv ⒟ᐲ㧕߇߽ߞߣ߽⎬ߊߥߞ ߡ޿ࠆ㧚ᾲᓇ㗀ㇱߦߟ޿ߡߺߡߺࠆߣ㧘ஜోㇱ 㧔160Hv ⒟ᐲ㧕߆ࠄṁⲢ✢ߦะ߆ߞߡᓢޘߦ⎬ ߐ ߇ ૐ ਅ ߒ ߡ ߅ ࠅ 㧘 ߽ ߞ ߣ ߽ ૐ ޿ ߣ ߎ ࠈ ߢ ߪ 100Hv ⒟ᐲߦߥߞߡ޿ࠆ㧚TP12㧔0°㧕ߦߟ޿ߡ ߽㧘ቯᕈ⊛ߦߪห᭽ߥ௑ะ߇⹺߼ࠄࠇࠆ㧚ߔߥ ࠊߜ㧘ṁⲢㇱߩ⎬ߐ㧔190Hv ⒟ᐲ㧕߇߽ߞߣ߽ 㜞 ߊ 㧘 ஜ ో ㇱ 㧔 170Hv ⒟ ᐲ 㧕 ߆ ࠄ ṁ Ⲣ ✢ ߦ ะ ߆ߞߡᓢޘߦ⎬ߐ߇ૐਅߒ㧘߽ߞߣ߽ૐ޿ߣߎ ࠈߢߪ 90Hv ⒟ᐲߦߥߞߡ޿ࠆ㧚TP16㧔45°㧕ߦ ߟ޿ߡ߽ห᭽ߦஜోㇱ㧔135Hv ⒟ᐲ㧕߆ࠄṁⲢ ✢ߦะ߆ߞߡᓢޘߦ⎬ߐ߇ૐਅߒ㧘߽ߞߣ߽ૐ ޿ߣߎࠈߢߪ 100Hv ⒟ᐲߦߥߞߡ޿ࠆ㧚 ᓧࠄࠇߚ⚿ᨐࠍ߹ߣ߼ߚ߽ߩ߇⴫ 2.1 ߢ޽ࠆ㧚 ஜోㇱߩ⎬ߐࠍᲧセߔࠆߣ㧘TP16㧔45°㧕ߩ⎬ߐ ߇ઁߩ⹜ᢱߦᲧߴૐ޿ߩ߇ࠊ߆ࠆ㧚߹ߚ㧘ᾲᓇ 㗀ㇱߦߟ޿ߡߪ㧘ᡷༀ೨᧚ߩ⎬ߐ߇ઁߩ⹜ᢱߦ ߊࠄߴ㜞ߊߥߞߡ޿ࠆ㧚 㩷 ⴫ 2.1 ࡆ࠶ࠞ࡯ࠬ⎬ߐ᷹ቯ⚿ᨐ ஜోㇱ ᾲᓇ㗀ㇱ㧔ᦨዊ୯㧕 ṁⲢㇱ ᡷༀ೨᧚ 160Hv ⒟ᐲ 190Hv ⒟ᐲ 130Hv ⒟ᐲ TP11㧔90°㧕 160Hv ⒟ᐲ 100Hv ⒟ᐲ 190Hv ⒟ᐲ TP12㧔0°㧕 170Hv ⒟ᐲ 90Hv ⒟ᐲ 190Hv ⒟ᐲ TP16㧔45°㧕 135Hv ⒟ᐲ 100Hv ⒟ᐲ ʊ 㩷 㧞㧚㧟㧚㧟 ࠬࡕ࡯࡞ࡄࡦ࠴⹜㛎⚿ᨐ ⚿ᨐߪ㧘⴫ 2.2 ߦ␜ߔዊဳ⹜㛎 ࠍ↪޿ߚᒁ ᒛ⹜㛎ߩ⚿ᨐߣቯᕈ⊛ߦ⦟ߊ৻⥌ߒߡ޿ߚ㧚 ᡷༀ೨᧚ߦ߅޿ߡߪ㧘ṁធᤨ߽ߒߊߪ㔚㍌ᤨ ߦᒻᚑߐࠇߚߣᕁࠊࠇࠆᰳ㒱ߩߣߎࠈߦഀࠇ߇ ⊒↢ߒߡ޿ࠆ㧚ᾲᓇ㗀ㇱߢߪ㧘ฦ⹜ᢱߣ߽⹜㛎  ਛᄩઃㄭ߆߽ߒߊߪߘߎ߆ࠄࠊߕ߆ߦᄖࠇߚ ▎ᚲߦߡࡑࠢࡠߥഀࠇ߇⊒↢ߒ㧘ห᭽ߥ⎕უᒻ ᘒߪஜోㇱߦ߅޿ߡ߽ⷰኤߐࠇߚ㧚৻ᣇ㧘ᒝᐲ ߅ࠃ߮ᑧᕈߣ߽ߦఝࠇߡ޿ߚ-196͠ߩ⹜㛎 ߢ ߪ㧘ਛᔃ߆ࠄ 0.3mm ⒟ᐲ㔌ࠇߚ⋧ᒰᔕജ޽ࠆ޿ ߪ⋧ᒰ߭ߕߺ߇㓸ਛߔࠆ౞๟ߦᴪߞߡഀࠇ߇↢ ߓߡ߅ࠅ㧘ౖဳ⊛ߥᑧᕈ᧚ᢱߩ⎕უᒻᘒࠍ๒ߒ ߡ޿ߚ㧚ߥ߅㧘⎕㕙ߪ㧘⹜ᢱ㧘⹜㛎 ណข૏⟎㧘 ⹜㛎᷷ᐲߦ޽߹ࠅଐሽߖߕ㧘☸ౝᑧᕈ⎕უࠍ๒ ߒߡ޿ߚ㧚ฦ⹜㛎 ߩࡑࠢࡠߥഀࠇ⊒↢▎ᚲࠍ ߹ߣ߼ᢛℂߒߚ߽ߩ߇⴫ 2.3 ߢ޽ࠆ㧚 ฦ⹜ᢱߢᓧࠄࠇߚᦨᄢ⩄㊀ Pmax㧘㒠ફ⩄㊀ Py㧘 ⎕ᢿᄌ૏Ǭf ࠍ⹜㛎 ណข૏⟎ߦኻߒߡࡊࡠ࠶࠻ ߒߚ߽ߩࠍ࿑ 2.6 ߦ␜ߔ㧚Pmax㧘Py㧘Ǭf ߪ㧘ߘ ࠇߙࠇᒁᒛᒝᐲ㧘㒠ફᒝᐲ㧘⎕ᢿᑧᕈߦኻᔕߔ ࠆߎߣ߇⍮ࠄࠇߡ޿ࠆ㧚ᡷༀ೨᧚ߩߺߩ⚿ᨐࠍ ߺࠆߣ㧘⎬ᐲ߇㜞߆ߞߚᾲᓇ㗀ㇱߦ߅޿ߡǬf ߇ ዊߐߊᑧᕈߦਲߒ޿ߩ߇ࠊ߆ࠆ㧚TP11㧔90°㧕ߦ ߟ޿ߡߪ㧘⎬ᐲ߇ૐ߆ߞߚᾲᓇ㗀ㇱ߆ࠄஜోㇱ ߦะ߆ߞߡ Pmaxߣ Py߇ᓢޘߦჇടߒߡ޿ߊ௑ะ ߇޽ࠅ㧘ߘࠇߣߪㅒߦǬf ߪዋߒߕߟዊߐߊߥߞ ߡ޿ࠆ㧚TP12㧔0°㧕ߦߟ޿ߡ߽㧘⎬ᐲ߇ૐ߆ߞ ߚᾲᓇ㗀ㇱ߆ࠄஜోㇱߦะ߆ߞߡ Pmaxߣ Py߇ ᓢޘߦჇടߒߡ޿ߊ௑ะ߇޽ࠆ㧚ห᭽ߦ㧘TP16 㧔45°㧕ߦߟ޿ߡ߽㧘⎬ᐲ߇ૐ߆ߞߚᾲᓇ㗀ㇱ߆ ࠄஜోㇱߦะ߆ߞߡ Pmax߇ᓢޘߦჇടߒߡ޿߈㧘 ߘࠇߣߪㅒߦǬf ߪዊߐߊߥߞߡ޿ࠆ㧚ߎߩࠃ߁ ߦ㧘৻ㇱ଀ᄖߪ޽ࠆ߽ߩߩ㧘SP ⹜㛎․ᕈߩࡊࡠ ࡈࠔࠗ࡞ߪࡆ࠶ࠞ࡯ࠬ⎬ߐߩߘࠇߣቯᕈ⊛ߦ⦟ ߊᢛวߒߡ޿ߚ㧚 㩷 ⴫ 2.2 ዊဳ⹜㛎 ߦࠃࠆ Ni 㔚㍌ߩቶ᷷߅ࠃ߮ -196͠ߢߩᒁᒛ⹜㛎⚿ᨐ ᒁᒛᒝᐲ, MPa ⎕ᢿિ߮, % ቶ᷷ 412㨪420 25.5㨪31.3 -196͠ 500㨪505 30.5㨪32.6 㩷

᧲㊁๺ᐘ㧘㚤ፒᘕ৻㧘╣ጊኈ⾗㧘ᧁరஜ৻㧘ဈญ⵨ਯ㧘⍹ᯅ೑ᐘ ⴫ 2.3 ฦ⹜㛎 ߩഀࠇ⊒↢▎ᚲ 㩷 ᡷༀ೨᧚㩷 㪫㪧㪈㪈䋨㪐㪇°䋩 㪫㪧㪈㪉䋨㪇°䋩㩷 㪫㪧㪈㪍䋨㪋㪌°䋩 ቶ᷷㩷 ᾲᓇ㗀ㇱ㩷 ਛᔃ䉋䉍ዋ 䈚ᄖ䉏䈢ᚲ㩷 ਛᔃ㩷 ਛᔃ䉋䉍ዋ 䈚ᄖ䉏䈢ᚲ㩷 ਛᔃ䉋䉍ዋ 䈚ᄖ䉏䈢ᚲ ቶ᷷㩷 ஜోㇱ㩷 ਛᔃ䉋䉍ዋ 䈚ᄖ䉏䈢ᚲ㩷 ਛᔃ㩷 ਛᔃ㩷 ਛᔃ䉋䉍ዋ 䈚ᄖ䉏䈢ᚲ 㪄㪈㪐㪍㷄㩷 ஜోㇱ㩷 㪇㪅㪊㫄㫄㩷 ౞๟਄㩷 㪇㪅㪊㫄㫄㩷 ౞๟਄㩷 㪇㪅㪊㫄㫄㩷 ౞๟਄㩷 㪇㪅㪊㫄㫄㩷 ౞๟਄㩷 㩷 㧞㧚㧠 ⠨ኤ ᡷ ༀ ᧚ 㧔 TP11 㧔 90° 㧕㧘 TP12 㧔 0° 㧕㧘 TP16 㧔45°㧕㧕ߩ EB ṁធ⛮ᚻߩᒁᒛᒝᐲ߇ 45°ᣇะߩ ᒁᒛߢ߽ߞߣ߽㜞ߊߥࠆߩߪ㧘㔚㍌⚿᥏߇[001] ᣇะߦᄢ߈ߊ㈩ะߒᚑ㐳ߒߡ޿ࠆߚ߼ߢ޽ࠆ㧚 ߎߩߎߣߪ㧘⴫ 2.4 ߦ␜ߔ Ni ၮ⿥ว㊄න⚿᥏଀ ߩᒢᕈଥᢙ߅ࠃ߮ᯏ᪾⊛․ᕈߩᣇ૏ଐሽᕈ߆ࠄ ߽ࠊ߆ࠆ㧚ߎߩ႐ว㧘[001]ߩᒢᕈଥᢙߣᒁᒛᒝ ᐲ߇߽ߞߣ߽ૐߊ㧘[111]ߢߘࠇࠄ߇㜞ߊߥࠆ㧚 ߔߥࠊߜ㧘੹࿁↪޿ߚ Ni 㔚㍌ EB ṁធ⛮ᚻߩ႐ ว߽㧘ᒁᒛᣇะ߇ 90°ߣ 0°ߢߩ⹜㛎ߪᒁᒛᒝᐲ ߇ૐ޿ᣇะߢߩ⹜㛎ߣߥࠆߚ߼㧘TP11㧔90°㧕ߣ TP12㧔0°㧕ߩᒁᒛᒝᐲ߇ TP16㧔45°㧕ߦᲧߴૐ ਅߔࠆߎߣߣߥࠆ㧚߹ߚ㧘TP16㧔45°㧕ߩ⎕ᢿિ ߮߇ TP11㧔90°㧕߅ࠃ߮ TP12㧔0°㧕ߦᲧߴᄢ߈ ޿ߩ߽㧘ߎߩᒁᒛᣇ૏ଐሽᕈߩߚ߼ߢ޽ࠆ㧚 TP11㧔90°㧕ߣ TP12㧔0°㧕ߩᒁᒛ⹜㛎ߦ߅޿ ߡߪ㧘⋧ኻ⊛ߦᒝᐲߩૐ޿㔚㍌ㇱߢ⎕ᢿߔࠆ㧚 ߘࠇߦኻߒߡ㧘TP16㧔45°㧕ߪ㔚㍌ߩᒝᐲߘߩ߽ ߩ߇Ყセ⊛㜞޿ߚ߼㧘⋧ኻ⊛ߦૐᒝᐲߢ޽ࠆធ วㇱߦߡ⎕ᢿߔࠆߎߣߦߥࠆ㧚ࡆ࠶ࠞ࡯ࠬ⎬ߐ ߅ࠃ߮ SP ⹜㛎ߩࡊࡠࡈࠔࠗ࡞᷹ቯߩ⚿ᨐࠍ⠨ᘦ ߔࠆߣ㧘ᒝᐲ߇Ყセ⊛ૐ߆ߞߚᾲᓇ㗀ㇱ߇ TP16 㧔45°㧕ߦ߅ߌࠆ⎕ᢿߩ⿠ὐߦߥߞߡ޿ࠆ߽ߩߣ ᗐ௝ߐࠇࠆ㧚 ᒁᒛ⹜㛎⚿ᨐߣߪ⇣ߥࠅ㧘SP ⹜㛎ߢߪ TP16 㧔45°㧕ߩᒝᐲ߇ TP11㧔90°㧕ߣ TP12㧔0°㧕ߦᲧ ߴૐ޿௑ะ߇޽ߞߚ㧔࿑ 2.6㧕㧚ߎࠇߪ㧘ᒁᒛ⹜ 㛎ߢߩᒁᒛᣇ૏ߣ SP ⹜㛎ߦ߅޿ߡᔕജ߇૞↪ߔ ࠆᣇ૏߇⇣ߥࠆߩߦട߃㧘SP ⹜㛎ߢߪᔕജ߇ᄙ ゲ⁁ᘒߦߥߞߡ޿ࠆߚ߼ߢ޽ࠆߣᕁࠊࠇࠆ㧚 ⴫ 2.4 Ni ၮ⿥ว㊄ ReneN-4 න⚿᥏ߩᯏ᪾⊛․ ᕈ㧔980͠㧕(2) 㩷 㪇㪅㪉㩼⠴ജ㪃㩷㪤㪧㪸 ᒁᒛᒝᐲ㪃㩷㪤㪧㪸㩷 િ䈶㪃㩷㩼㩷 ⛉䉍㪃㩷㩼 㪲㪇㪇㪈㪴 㪋㪈㪍㩷 㪌㪎㪊㩷 㪉㪏㪅㪏㩷 㪋㪈㪅㪉㩷 㪲㪈 㵪 㪈㪈㪴 㪌㪉㪊㩷 㪍㪌㪊㩷 㪊㪍㪅㪍㩷 㪊㪋㪅㪏㩷 㩷 㧟㧚_{Ni㔚㍌᧚ߩṁធᕈߦ෸߷ߔਇ⚐‛ߩᓇ㗀ߦ㑐} ߔࠆಽᨆౝኈ ᡷༀ೨᧚߅ࠃ߮ᡷༀ᧚ߩਛߦ฽߹ࠇࠆਇ⚐‛ 㧔⎫㤛㧕ߩ㊂ࠍ⺞ߴࠆߣߣ߽ߦ㧘EPMA㧔㔚ሶࡊ ࡠ࡯ࡉࡑࠗࠢࡠࠕ࠽࡜ࠗࠩ࡯㧕ࠍ↪޿ߡ⎫㤛ߩࡑ ࠢࡠಽᏓࠍ⺞ᩏߒߚ㧚 㧟㧚㧝 ଏ⹜᧚߅ࠃ߮ታ㛎ᣇᴺ 㧟㧚㧝㧚㧝 ⎫㤛฽᦭㊂ߩ᷹ቯ ⎫㤛ߩ฽᦭㊂ߪ㧘⹜ᢱࠍഥΆ೷ߣߣ߽ߦṁⲢߒ SO2ߣߒߡ⎫㤛ࠍᬌ಴ߔࠆΆ὾⿒ᄖ✢ๆ෼ᴺ㧔౏ ⒓ᬌ಴㒢⇇3ppm㧕ߦࠃߞߡ᷹ቯߒߚ㧚᷹ቯߪ2࿁ ታᣉߒߚ㧚 㧟㧚㧝㧚㧞 EPMAಽᨆ ṁⲢ✢ㄭற㧘ᾲᓇ㗀ㇱㄭற㧘ஜోㇱߩ3▎ᚲߦ ኻߒߡߘࠇߙࠇⴕߞߚ㧚ಽᨆߪᣣᧄ㔚ሶ⵾JXA-8100ࠍ↪޿㧘ടㅦ㔚࿶20kV㧘ᾖ኿㔚ᵹ500nAߩ᧦ ઙߩ߽ߣታᣉߒߚ㧚 㧟㧚㧞 ታ㛎⚿ᨐ ᷹ቯߐࠇߚ⎫㤛฽᦭㊂ࠍ⴫3.1ߦ␜ߔ㧚ห⴫߆ ࠄࠊ߆ࠆࠃ߁ߦ㧘TP12㧔0°㧕ߢߪ⎫㤛฽᦭㊂ߪᬌ ಴㒢⇇㧔3ppm㧕એਅߢ޽ߞߚߩߦኻߒߡ㧘ᡷༀ ೨᧚ߢߪ260㨪270ppm ߽฽߹ࠇߡ޿ߚ㧚 ⴫3.1 ฦ⹜ᢱߩ⎫㤛฽᦭㊂᷹ቯ⚿ᨐ 㪈࿁⋡ 㪉࿁⋡ ᡷༀ೨᧚ 㪉㪎㪇㫇㫇㫄 㪉㪍㪇㫇㫇㫄 㪫㪧㪈㪉㩿㪇㫦㪀 ᬌ಴㒢⇇એਅ 㩿㪉㫇㫇㫄㪀 㧟㧚㧟 _{EPMAಽᨆ⚿ᨐ} TP12㧔0°㧕ߦ߅޿ߡߪ㧘⎫㤛ߩỚൻߪ޿ߕࠇߩ 㗔ၞߦ߅޿ߡ߽ⷰኤߐࠇߥ߆ߞߚ㧚৻ᣇ㧘ᡷༀ೨ ᧚ߩṁⲢ✢߅ࠃ߮ᾲᓇ㗀ㇱߩㄭறߢߪ⎫㤛ߩࡑࠢ ࡠ஍ᨆ߇⹺߼ࠄࠇ㧘஍ᨆ▎ᚲߦᴪߞߡᏂⷞ߈ⵚ߇ ⊒↢ߒߡ޿ߚ㧚ߥ߅㧘ᡷༀ೨᧚ߩஜోㇱߦ߅޿ߡ

ߪ⎫㤛ߩࡑࠢࡠ஍ᨆߪⷰኤߐࠇߥ߆ߞߚ㧚 㧟㧚㧠 ⠨ኤ ⎫㤛฽᦭㊂᷹ቯߣEPMAಽᨆߩ⚿ᨐࠃࠅ㧘ᡷༀ ೨᧚ߩṁធᕈ߇ഠࠆߩߪਇ⚐‛ߢ޽ࠆ⎫㤛ߩ฽᦭ ㊂߇ᄙ޿ߚ߼ߢ޽ࠆߎߣ߇␜ໂߐࠇߚ㧚ㅒߦ㧘⎫ 㤛฽᦭㊂ࠍ3ppmએਅߦᷫࠄߔߎߣ߇㧘ṁធᕈᡷ ༀߦᄢ߈ߊߟߥ߇ࠆߎߣ߇ࠊ߆ߞߚ㧚࠾࠶ࠤ࡞ਛ ߩ⎫㤛ߩᦨᄢ࿕ṁ㊂ߪ50ppmߢ޽ࠅ㧘ㆊ㘻๺ߩ⎫ 㤛߇฽߹ࠇߡ޿ࠆߣ645͠ߢ⎫ൻ࠾࠶ࠤ࡞ 㧔Ni3S2㧕߇౒᥏෻ᔕߦࠃߞߡᨆ಴ߔࠆ㧚౒᥏᷷ ᐲࠃࠅ߽චಽૐ޿᷷ᐲߦ߅޿ߡߪ㧘ߎߩ⎫㤛ߦ ࠃߞߡ☸⇇ᒝᐲ߇ૐਅߒ⣀ൻߔࠆߎߣ߇⍮ࠄࠇߡ ޿ࠆ㧚਄ㅀߒߚࠃ߁ߦ㧘ᡷༀ೨᧚ߦߪ࿕ṁ㒢એ਄ ߩ260㨪270ppm߽ߩ⎫㤛߇฽߹ࠇߡ߅ࠅ㧘⎫ൻ ࠾࠶ࠤ࡞ߣߒߡᨆ಴ߒߚ⎫㤛߇ṁធᕈߦᖡᓇ㗀ࠍ ෸߷ߒߡ޿ࠆ߽ߩߣផ᷹ߐࠇࠆ㧚ߥ߅㧘3ppmએ ਅߣ⎫㤛฽᦭㊂߇࿕ṁ㒢એਅߢ޽ߞߚᡷༀ᧚ 㧔TP12㧔0°㧕㧕ߢߪ㧘⎫ൻ࠾࠶ࠤ࡞ߪᨆ಴ߒߥ޿ ߽ߩߣᕁࠊࠇࠆ㧚ᡷༀ೨᧚ߩᾲᓇ㗀ㇱߦ߅޿ߡ⎬ ᐲ߇㜞ߊᲧセ⊛ᑧᕈߦਲߒ޿ߩ߇⎫㤛޽ࠆ޿ߪ⎫ ൻ࠾࠶ࠤ࡞ߦ⿠࿃ߒߡ޿ࠆߩ߆ุ߆ߦߟ޿ߡߪ⃻ ᤨὐߢߪࠊ߆ࠄߥ޿߇㧘ߎߩࠃ߁ߥᑧᕈૐਅ߽ṁ ធᕈߦഠࠆේ࿃ߩ߭ߣߟߣ⠨߃ߡ޿ࠆ㧚 㧠㧚 ߹ߣ߼ ᡷ ༀ ᧚ 㧔 TP11 㧔 90° 㧕㧘 TP12 㧔 0° 㧕㧘 TP16 㧔45°㧕㧕ߩ EB ṁធ⛮ᚻߩᒁᒛᒝᐲ߇ 45°ᣇะߩ ᒁᒛߢ߽ߞߣ߽㜞ߊߥࠆߩߪ㧘㔚㍌⚿᥏߇[001] ᣇะߦᄢ߈ߊ㈩ะߒᚑ㐳ߒߡ޿ࠆߚ߼ߢ޽ࠆ㧚 ੹ᓟ㧘Ni 㔚㍌ߩᯏ᪾⊛․ᕈࠍ⺞ᩏߔࠆ㓙ߦߪ㧘 ߘߩ⇣ᣇᕈߦචಽᵈᗧߔࠆᔅⷐ߇޽ࠆ㧚߹ߚ㧘 ⎬ᐲ߇Ყセ⊛㜞߆ߞߚᡷༀ೨᧚ߩᾲᓇ㗀ㇱߪ㧘 SP ⹜㛎ߢߩ⎕ᢿᄌ૏Ǭf ߇ዊߐߊ㧘ᑧᕈߦਲߒ ޿ߎߣ߇ࠊ߆ߞߚ㧚 ᡷༀᓟߦߟ޿ߡ㧘ṁធ᭴ㅧߦ߅ߌࠆᒝᐲ㧘િ ߮ߩะ਄߇࿑ࠇ㧘⸳⸘⵾ㅧ਄ߩࠪࡦࡊ࡞ᕈ߆ࠄ ߊࠆା㗬ᕈ⏕଻߿㐳ኼ๮ൻ╬ߦᄢ߈ߊነਈߢ߈ ࠆ⷗ㅢߒ߇ᓧࠄࠇߚ㧚 ⻢ㄉ  ᧄ⎇ⓥߩታᣉߦ޽ߚߞߡߪ㧘ቶ⯗Ꮏᬺᄢቇᄢ ቇ㒮᧚ᢱ‛ᕈᎿቇኾ᡹ 1 ᐕ㨯ട⮮ᄥ৻ᦶำ㧘ห᧚ ᢱ‛ᕈᎿቇ⑼ 4 ᐕ㨯ኹ↰ᔘᐔำߩᄙᄢߥදജࠍᓧ ߚ㧚ߎߎߦઃ⸥ߒߡ㧘⻢ᗧࠍ⴫ߔࠆ㧚 ෳ⠨ᢥ₂

1) H. Sakaguchi, T. Makino and T. Ishibasi “Advanced Nichel Electroforming Technology for The Regenerative Thrust Chamber of the Rocket Engines”, AJCPP2008, Mar 6-8, 2008.

2) R. V. Miner, R. C. Voigt, J. Gayda, and T. P. Gabb. , Metallurgical Transactions A, Vol. 17A, 1986, p.491.   ᡷༀ೨᧚  䌅䌂䌓䌐᷹ቯ↪⹜ᢱ 䌅䌐䌍䌁᷹ቯ↪⹜ᢱ 䌔䌐䋱䋲䋨䋰㫦䋩 ࿑ 2.1 ಽᨆ↪⹜ᢱߩಾ಴ߒ⁁ᴫߣಽᨆ㕙  TP12 0.5 mm 1 mm I 3 mm I 3 mm I 3 mm I 3 mm ਄㕙 ஥㕙 1 mm 1 mm Inco Ni Inco Inco Ni _Inco 1 mm 1 mm   1 mm Inco Ni Inco Ni TP16 I3 mm I 3 mm 0.5 mm 0.5 mm ਄㕙 ஥㕙  ࿑ 2.2 TP12㧔0°㧕ߣ TP16㧔45°㧕ߩ TEM ࠺ࠖ ࠬࠢࠨࠗ࠭ SP ⹜㛎 ߩಾ಴ߒ଀

᧲㊁๺ᐘ㧘㚤ፒᘕ৻㧘╣ጊኈ⾗㧘ᧁరஜ৻㧘ဈญ⵨ਯ㧘⍹ᯅ೑ᐘ           ࿑ 2.3 SP ⹜㛎ಃౕߣࠗࡦࠬ࠻ࡠࡦ⹜㛎ᯏ   ᡷༀ೨᧚   TP12㧔0°㧕 ࿑ 2.4 ⚿᥏ᣇ૏⸃ᨆ⚿ᨐ HAZ ᡷༀ೨᧚ 0 100 200 300 -6 -4 -2 0 2 4 6

Distance from the bond line, L/mm

H ar d n es s (1 0 N ) Ni㔚㍌ HAZ FZ Ni㔚㍌  ᡷༀ೨᧚ TP11 0 100 200 300 400 500 600 -12 -8 -4 0 4 8 12 Distance from the middle position, L/mm

H ar d n es s (1 0 N ) HAZ Inco. FZ Inco. HAZ HAZ FZ Ni㔚㍌  TP11㧔90°㧕 ࿑ 2.5 ᡷༀ೨᧚ߣ TP11㧔90°㧕ߩ⎬ߐࡊࡠ ࡈࠔࠗ࡞଀       

0 100 200 300 400 500 0 1 2 3 4 5 6

Distance from the bond line, L/mm

L o ad , P /N ᾲ੤  Py Pmax TP16 TP12 TP11 ᡷༀ೨ ᾲ੤  Py Pmax TP16 TP12 TP11 ᡷༀ೨ g g ᐔⴕ   ᦨᄢട㊀Pmax㧘㒠ફ⩄㊀Py  0.5 0.6 0.7 0.8 0.9 1 1.1 0 1 2 3 4 5 6

Distance from the bond line, L/mm

F ra ct u re d ef le ct io n , Gf /m m ᾲ੤  G_f TP16 TP12 TP11 ᡷༀ೨ ᾲ੤  G_f TP16 TP12 TP11 ᡷༀ೨ ⎕ᢿᄌ૏G㪽㩷 ࿑ 2.6 ฦ⹜ᢱߩᦨᄢട㊀Pmax㧘㒠ફ⩄㊀Py ⎕ᢿᄌ૏f