JP2005272915A - 金属材料表面に於けるナノ多孔質層の製作法 - Google Patents
金属材料表面に於けるナノ多孔質層の製作法 Download PDFInfo
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- JP2005272915A JP2005272915A JP2004086561A JP2004086561A JP2005272915A JP 2005272915 A JP2005272915 A JP 2005272915A JP 2004086561 A JP2004086561 A JP 2004086561A JP 2004086561 A JP2004086561 A JP 2004086561A JP 2005272915 A JP2005272915 A JP 2005272915A
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- Prior art keywords
- ion beam
- irradiation
- porous
- tungsten
- nano porous
- Prior art date
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- Granted
Links
- 239000007769 metal material Substances 0.000 title claims abstract description 10
- 238000000034 method Methods 0.000 title claims description 4
- 238000004519 manufacturing process Methods 0.000 title abstract description 5
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 15
- 239000010937 tungsten Substances 0.000 claims abstract description 15
- 238000010884 ion-beam technique Methods 0.000 claims abstract description 13
- 238000010438 heat treatment Methods 0.000 claims abstract description 10
- 239000001307 helium Substances 0.000 claims abstract description 10
- 229910052734 helium Inorganic materials 0.000 claims abstract description 10
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000002245 particle Substances 0.000 claims abstract description 8
- 239000011148 porous material Substances 0.000 claims abstract description 6
- 230000001678 irradiating effect Effects 0.000 claims description 3
- 230000008018 melting Effects 0.000 abstract description 2
- 238000002844 melting Methods 0.000 abstract description 2
- 230000004907 flux Effects 0.000 abstract 2
- 239000000463 material Substances 0.000 description 11
- 229910052751 metal Inorganic materials 0.000 description 9
- 239000002184 metal Substances 0.000 description 9
- 239000003870 refractory metal Substances 0.000 description 6
- 239000012229 microporous material Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- 238000007750 plasma spraying Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000001878 scanning electron micrograph Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
Landscapes
- Other Surface Treatments For Metallic Materials (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
従来の技術では、微細多孔質層(1μm以下の微細径)の金属表面への加工の製作は不可能であった。
【解決手段】
高融点金属材料表面の高エネルギー・高粒子束のイオンビームによる照射と加熱を同時に行うことにより、その表面に微細多孔質層(1μm以下の孔径のナノ多孔質層)を形成するものである。即ち、高粒子束ヘリウムイオンビーム照射(6.7×1020He/m2/s)により、表面温度2200℃程度まで加熱されたタングステン表面を多孔質化する。
【選択図】図1
Description
高融点金属であるタングステンにビームエネルギー:14keV、粒子束:6.7×1020He/m2/s、照射量:3.3×1023He/m2、表面最高到達温度:2200℃の条件で、ヘリウムイオンビームを照射したところ、1μm以下の微細多孔質構造を形成することが出来た。これより低温での照射や同じ低元素イオンである水素イオンビームでは、このような多孔質は形成できなかった。
Claims (2)
- 金属材料表面の高エネルギー・高粒子束のイオンビームによる照射と加熱を同時に行うことにより、その表面に微細多孔質層(1μm以下の孔径のナノ多孔質層)を形成する金属材料表面におけるナノ多孔質層の製作法。
- 高粒子束ヘリウムイオンビーム照射(6.7×1020He/m2/s)により、表面温度2200℃程度まで加熱されたタングステン表面が多孔質に変化することを特徴とする請求項1記載の方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004086561A JP4348421B2 (ja) | 2004-03-24 | 2004-03-24 | 金属材料表面に於けるナノ多孔質層の製作法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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JP2004086561A JP4348421B2 (ja) | 2004-03-24 | 2004-03-24 | 金属材料表面に於けるナノ多孔質層の製作法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005272915A true JP2005272915A (ja) | 2005-10-06 |
JP4348421B2 JP4348421B2 (ja) | 2009-10-21 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2004086561A Expired - Lifetime JP4348421B2 (ja) | 2004-03-24 | 2004-03-24 | 金属材料表面に於けるナノ多孔質層の製作法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4348421B2 (ja) |
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2004
- 2004-03-24 JP JP2004086561A patent/JP4348421B2/ja not_active Expired - Lifetime
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JP4348421B2 (ja) | 2009-10-21 |
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