KR100869334B1 - 저온 플라즈마 기술을 이용한 스테인리스 스틸침탄질화층의 형성방법 - Google Patents
저온 플라즈마 기술을 이용한 스테인리스 스틸침탄질화층의 형성방법 Download PDFInfo
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- KR100869334B1 KR100869334B1 KR1020070040754A KR20070040754A KR100869334B1 KR 100869334 B1 KR100869334 B1 KR 100869334B1 KR 1020070040754 A KR1020070040754 A KR 1020070040754A KR 20070040754 A KR20070040754 A KR 20070040754A KR 100869334 B1 KR100869334 B1 KR 100869334B1
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- 238000000034 method Methods 0.000 title claims abstract description 83
- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 37
- 239000010935 stainless steel Substances 0.000 title claims abstract description 37
- 230000015572 biosynthetic process Effects 0.000 title abstract description 6
- 238000005121 nitriding Methods 0.000 claims abstract description 67
- 239000000463 material Substances 0.000 claims abstract description 54
- 239000007789 gas Substances 0.000 claims abstract description 43
- 238000005255 carburizing Methods 0.000 claims abstract description 40
- 150000004767 nitrides Chemical class 0.000 claims abstract description 24
- 238000004544 sputter deposition Methods 0.000 claims abstract description 16
- 150000001721 carbon Chemical class 0.000 claims abstract description 14
- 238000001816 cooling Methods 0.000 claims abstract description 14
- 150000002829 nitrogen Chemical class 0.000 claims abstract description 14
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 13
- 238000010438 heat treatment Methods 0.000 claims abstract description 10
- 229910000963 austenitic stainless steel Inorganic materials 0.000 claims abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 27
- 230000007797 corrosion Effects 0.000 abstract description 27
- 239000002244 precipitate Substances 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 6
- 238000005299 abrasion Methods 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 76
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 229910052799 carbon Inorganic materials 0.000 description 8
- 238000004381 surface treatment Methods 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 150000002500 ions Chemical class 0.000 description 5
- 239000007769 metal material Substances 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000010287 polarization Effects 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000009832 plasma treatment Methods 0.000 description 2
- 239000004071 soot Substances 0.000 description 2
- 238000004611 spectroscopical analysis Methods 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 230000009471 action Effects 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
- QZPSXPBJTPJTSZ-UHFFFAOYSA-N aqua regia Chemical compound Cl.O[N+]([O-])=O QZPSXPBJTPJTSZ-UHFFFAOYSA-N 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- 239000010953 base metal Substances 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000010849 ion bombardment Methods 0.000 description 1
- 238000007562 laser obscuration time method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000004506 ultrasonic cleaning Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/34—Sputtering
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/02—Pretreatment of the material to be coated
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/28—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases more than one element being applied in one step
- C23C8/30—Carbo-nitriding
- C23C8/32—Carbo-nitriding of ferrous surfaces
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/36—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases using ionised gases, e.g. ionitriding
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/001—Austenite
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
Abstract
Description
Claims (5)
- 오스테나이트계 스테인리스 스틸을 모재로 하여 상기 모재를 챔버 내에 장입시켜 가열과 플라즈마를 이용하여 과포화탄소층과 과포화질소층를 연속적으로 형성시키는 방법에 있어서,1) 모재를 전처리하여 챔버에 장입하는 전처리 단계;2) 상기 챔버에 프리스퍼터링(pre-sputtering)용 가스를 주입하되, 상기 챔버는 300℃~470℃의 온도 유지 및 1~10Torr의 압력 유지와 300~1000V의 전압인가에 의한 플라즈마 생성으로 50분~2시간 동안 상기 모재의 표면을 프리스퍼터링 하는 단계;3) 상기 챔버에 50~94%의 H2, 5~40%의 Ar, 1~10%의 CH4으로 부피비율이 구성된 혼합기체를 주입하고 400~700℃의 온도 및 1~10Torr의 압력 유지와 400~1000V의 전압인가에 의한 플라즈마 생성으로 1~50시간 동안 과포화탄소층을 형성하는 침탄처리 단계;4) 상기 챔버의 온도를 300~390℃의 온도로 냉각시키는 단계;5) 상기 챔버에 10~85%의 H2, 5~40%의 Ar, 10~85%의 N2으로 부피비율이 구성된 혼합기체를 주입하고 300~390℃의 온도 및 1~10Torr의 압력 유지와 400~1000V의 전압인가에 의한 플라즈마 생성으로 1~10시간 동안 과포화질소층을 형성하는 질화처리 단계; 및6) 상기 챔버를 250℃ 까지 냉각한 다음 상기 챔버에서 모재를 반출하는 냉각단계를 포함하여 이루어지는 것을 특징으로 하는 저온 플라즈마 기술을 이용한 스테인리스 스틸 침탄질화층의 형성방법.
- 제 1항에 있어서,상기 프리스퍼터링 단계는20~80%의 H2 와 20%~80%의 Ar으로 부피비율이 구성된 혼합기체가 상기 프리스퍼터링용 가스인 것을 특징으로 하는 저온 플라즈마 기술을 이용한 스테인리스 스틸 침탄질화층의 형성방법.
- 제 2항에 있어서,상기 침탄단계 및 질화단계 각각은챔버 내의 설정된 유지압력에 도달하기 전 0.6~1 Torr에 달하는 시점에서 플라즈마를 발생시키는 것을 특징으로 하는 저온 플라즈마 기술을 이용한 스테인리스 스틸 침탄질화층의 형성방법.
- 제 3항에 있어서,상기 프리스퍼터링 단계, 침탄처리 단계, 질화처리 단계 및 냉각단계 각각은우선적으로 챔버 내에 잔존하는 공기 또는 이전 단계의 잔존가스를 배출하여 50mTorr의 압력을 이루도록 하는 것을 특징으로 하는 저온 플라즈마 기술을 이용한 스테인리스 스틸 침탄질화층의 형성방법.
- 삭제
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KR1020070040754A KR100869334B1 (ko) | 2007-04-26 | 2007-04-26 | 저온 플라즈마 기술을 이용한 스테인리스 스틸침탄질화층의 형성방법 |
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KR1020070040754A KR100869334B1 (ko) | 2007-04-26 | 2007-04-26 | 저온 플라즈마 기술을 이용한 스테인리스 스틸침탄질화층의 형성방법 |
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KR100869334B1 true KR100869334B1 (ko) | 2008-11-19 |
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KR101866752B1 (ko) * | 2015-10-30 | 2018-07-24 | 한국생산기술연구원 | 저온 진공침탄방법 |
KR101866754B1 (ko) * | 2016-10-31 | 2018-06-18 | 한국생산기술연구원 | 저압 범위 내에서의 침탄방법 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5707460A (en) | 1995-07-11 | 1998-01-13 | Porter-Cable Corporation | Method of producing parts having improved wear, fatigue and corrosion resistance from medium alloy, low carbon steel and parts obtained therefrom |
JP2001138022A (ja) | 1999-11-05 | 2001-05-22 | Toshiba Mach Co Ltd | ダイカストマシン用プランジャスリーブ及びプランジャチップ |
KR20050029214A (ko) * | 2002-07-16 | 2005-03-24 | 단마르크스 테크니스케 유니버시테트-디티유 | 스테인레스강의 표면 경화 처리 방법 |
JP2005272978A (ja) * | 2004-03-26 | 2005-10-06 | Sdc:Kk | オーステナイトステンレス鋼の表面構造 |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5707460A (en) | 1995-07-11 | 1998-01-13 | Porter-Cable Corporation | Method of producing parts having improved wear, fatigue and corrosion resistance from medium alloy, low carbon steel and parts obtained therefrom |
JP2001138022A (ja) | 1999-11-05 | 2001-05-22 | Toshiba Mach Co Ltd | ダイカストマシン用プランジャスリーブ及びプランジャチップ |
KR20050029214A (ko) * | 2002-07-16 | 2005-03-24 | 단마르크스 테크니스케 유니버시테트-디티유 | 스테인레스강의 표면 경화 처리 방법 |
JP2005272978A (ja) * | 2004-03-26 | 2005-10-06 | Sdc:Kk | オーステナイトステンレス鋼の表面構造 |
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