KR20110104631A - 고내식성 및 고경도 컬러 오스테나이트계 스테인리스강재 및 그 제조방법 - Google Patents
고내식성 및 고경도 컬러 오스테나이트계 스테인리스강재 및 그 제조방법 Download PDFInfo
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- KR20110104631A KR20110104631A KR1020100023622A KR20100023622A KR20110104631A KR 20110104631 A KR20110104631 A KR 20110104631A KR 1020100023622 A KR1020100023622 A KR 1020100023622A KR 20100023622 A KR20100023622 A KR 20100023622A KR 20110104631 A KR20110104631 A KR 20110104631A
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- 238000005260 corrosion Methods 0.000 title claims abstract description 32
- 230000007797 corrosion Effects 0.000 title claims abstract description 32
- 229910000963 austenitic stainless steel Inorganic materials 0.000 title claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 238000005121 nitriding Methods 0.000 claims abstract description 51
- 238000010438 heat treatment Methods 0.000 claims abstract description 43
- 238000000034 method Methods 0.000 claims abstract description 39
- 230000003647 oxidation Effects 0.000 claims abstract description 18
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 18
- 238000012545 processing Methods 0.000 claims abstract description 14
- 239000007789 gas Substances 0.000 claims description 39
- 229910001220 stainless steel Inorganic materials 0.000 claims description 37
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 34
- 239000010935 stainless steel Substances 0.000 claims description 30
- 229910052757 nitrogen Inorganic materials 0.000 claims description 18
- 150000003839 salts Chemical class 0.000 claims description 11
- 230000018199 S phase Effects 0.000 claims description 10
- 230000001590 oxidative effect Effects 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 239000001301 oxygen Substances 0.000 claims description 6
- 229910052760 oxygen Inorganic materials 0.000 claims description 6
- 150000004767 nitrides Chemical class 0.000 claims description 5
- 238000005498 polishing Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 claims description 3
- 239000003570 air Substances 0.000 claims description 3
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 claims description 3
- 238000005480 shot peening Methods 0.000 claims description 3
- 238000003754 machining Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 23
- 239000003086 colorant Substances 0.000 abstract description 7
- 239000010410 layer Substances 0.000 description 27
- 239000011651 chromium Substances 0.000 description 8
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 7
- 150000001875 compounds Chemical class 0.000 description 7
- 239000011737 fluorine Substances 0.000 description 7
- 229910052731 fluorine Inorganic materials 0.000 description 7
- 229910052804 chromium Inorganic materials 0.000 description 6
- 238000009792 diffusion process Methods 0.000 description 6
- 125000004433 nitrogen atom Chemical group N* 0.000 description 6
- 238000002161 passivation Methods 0.000 description 6
- 239000006104 solid solution Substances 0.000 description 6
- 238000003682 fluorination reaction Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 4
- 239000010931 gold Substances 0.000 description 4
- 229910052737 gold Inorganic materials 0.000 description 4
- 230000003746 surface roughness Effects 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- 238000005034 decoration Methods 0.000 description 3
- 229910001873 dinitrogen Inorganic materials 0.000 description 3
- 238000002845 discoloration Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229930195733 hydrocarbon Natural products 0.000 description 3
- 150000002430 hydrocarbons Chemical class 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 2
- SJKRCWUQJZIWQB-UHFFFAOYSA-N azane;chromium Chemical compound N.[Cr] SJKRCWUQJZIWQB-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- -1 chromium nitrides Chemical class 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- NPURPEXKKDAKIH-UHFFFAOYSA-N iodoimino(oxo)methane Chemical compound IN=C=O NPURPEXKKDAKIH-UHFFFAOYSA-N 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000012958 reprocessing Methods 0.000 description 2
- 238000003288 salt bathing Methods 0.000 description 2
- MNWBNISUBARLIT-UHFFFAOYSA-N sodium cyanide Chemical compound [Na+].N#[C-] MNWBNISUBARLIT-UHFFFAOYSA-N 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- 229910019912 CrN Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 206010070834 Sensitisation Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- CXOWYMLTGOFURZ-UHFFFAOYSA-N azanylidynechromium Chemical compound [Cr]#N CXOWYMLTGOFURZ-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 150000002222 fluorine compounds Chemical class 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000005240 physical vapour deposition Methods 0.000 description 1
- NNFCIKHAZHQZJG-UHFFFAOYSA-N potassium cyanide Chemical compound [K+].N#[C-] NNFCIKHAZHQZJG-UHFFFAOYSA-N 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000012495 reaction gas Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000008313 sensitization Effects 0.000 description 1
- LIXWSNVLHFNXAJ-UHFFFAOYSA-N sodium;oxidoazaniumylidynemethane Chemical compound [Na+].[O-][N+]#[C-] LIXWSNVLHFNXAJ-UHFFFAOYSA-N 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
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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
- 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
- C23C8/34—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 more than one step
-
- 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
- C23C26/00—Coating not provided for in groups C23C2/00 - C23C24/00
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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
- 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
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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
- 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
- C23C8/08—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 only one element being applied
-
- 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
- C23C8/08—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 only one element being applied
- C23C8/24—Nitriding
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- 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
- C23C8/08—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 only one element being applied
- C23C8/24—Nitriding
- C23C8/26—Nitriding of ferrous surfaces
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
Abstract
또 본 발명에 의해 제조된 고내식성 및 고경도 컬러 오스테나이트계 스테인리스강 소재 및 부품은 사용 중 그 표면 색상이 퇴색되는 경우 재차 표면가공공정과 컬러 산화피막공정을 실시하여 재사용할 수 있다.
Description
Claims (7)
- (a) 오스테나이트계 스테인리스강재에 질화열처리를 실시하는 단계;
(b) 질화열처리를 실시한 상기 강재에 대해 표면가공공정을 실시하는 단계; 및
(c) 표면가공공정을 실시한 상기 강재에 대해 컬러 산화피막층을 형성하기 위한 산화열처리를 실시하는 단계를 포함하는 것을 특징으로 하는 고내식성 및 고경도 컬러 오스테나이트계 스테인리스강재의 제조방법. - 제 1항에 있어서,
상기 질화열처리는 가스법, 염욕법 또는 플라즈마법으로 300 ~ 450℃의 온도 범위에서 1 ~ 30시간동안 실시하여 표면에 S - 상 질화층을 형성하는 것을 특징으로 하는 고내식성 및 고경도 컬러 오스테나이트계 스테인리스강재의 제조방법. - 제 1항에 있어서,
상기 표면가공공정은 샌딩, 쇼트 피닝, 버핑, 래핑, 폴리싱 및 베이퍼 쇼트 중에서 선택된 어느 하나의 방법으로 실시하는 것을 특징으로 하는 고내식성 및 고경도 컬러 오스테나이트계 스테인리스강재의 제조방법. - 제 1항에 있어서,
상기 컬러 산화피막층을 형성하기 위한 산화열처리 단계는 150 ~ 600℃ 온도 범위의 산화성 가스분위기에서 10 초 ~ 20시간동안 실시하는 특징으로 하는 고내식성 및 고경도 컬러 오스테나이트계 스테인리스강재의 제조방법. - 제 4항에 있어서,
상기 산화성 가스분위기는 산소, 공기, 수증기 및 이산화질소로 구성되는 그룹에서 선택된 어느 1종 또는 2종 이상의 혼합가스이거나, 또는 이들 가스에 질소를 더 포함하는 가스인 것을 특징으로 하는 고내식성 및 고경도 컬러 오스테나이트계 스테인리스강재의 제조방법. - 제 1항 내지 제 5항 중 어느 한 항에 있어서, 상기 컬러 스테인리스강재에 대해, 사용 후, 상기 표면가공공정 및 컬러 산화처리를 재차 실시하여 재사용할 수 있는 것을 특징으로 하는 고내식성 및 고경도 컬러 오스테나이트계 스테인리스강재의 제조방법.
- 제 1항 내지 제 5항 중 어느 한 항에 따른 방법으로 제조되는 고내식성 및 고경도 컬러 오스테나이트계 스테인리스강재.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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KR1020100023622A KR20110104631A (ko) | 2010-03-17 | 2010-03-17 | 고내식성 및 고경도 컬러 오스테나이트계 스테인리스강재 및 그 제조방법 |
JP2010073132A JP2011195947A (ja) | 2010-03-17 | 2010-03-26 | 耐食性及び高硬度のカラーオーステナイト系ステンレス鋼材及びその製造方法 |
CN201010134496.3A CN102191452B (zh) | 2010-03-17 | 2010-03-29 | 高耐蚀性和高硬度的彩色奥氏体不锈钢材及其制造方法 |
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KR1020100023622A KR20110104631A (ko) | 2010-03-17 | 2010-03-17 | 고내식성 및 고경도 컬러 오스테나이트계 스테인리스강재 및 그 제조방법 |
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Cited By (7)
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EP3159427A1 (en) * | 2015-10-08 | 2017-04-26 | Mahle International GmbH | Valve for internal combustion engines |
WO2018117346A1 (ko) | 2016-12-23 | 2018-06-28 | 주식회사 포스코 | 골드 컬러 강판 및 그 제조방법 |
WO2019125000A1 (ko) * | 2017-12-22 | 2019-06-27 | 주식회사 포스코 | 내마모성 및 발색력이 우수한 스테인레스 발색 기판 및 이를 위한 스테인레스 기판의 발색방법 |
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KR20080012324A (ko) * | 2005-05-31 | 2008-02-11 | 산드빅 인터렉츄얼 프로퍼티 에이비 | 전기 접촉 스프링과 같은, 금속 스트립 제품, 및 그 제조방법 |
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KR100761903B1 (ko) * | 2006-05-01 | 2007-09-28 | 김영희 | 고내식성 컬러강재의 제조방법 |
JP5148209B2 (ja) * | 2007-08-28 | 2013-02-20 | 学校法人同志社 | 溶融塩電気化学プロセスを用いた表面窒化処理方法 |
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- 2010-03-17 KR KR1020100023622A patent/KR20110104631A/ko not_active Ceased
- 2010-03-26 JP JP2010073132A patent/JP2011195947A/ja active Pending
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WO2019125000A1 (ko) * | 2017-12-22 | 2019-06-27 | 주식회사 포스코 | 내마모성 및 발색력이 우수한 스테인레스 발색 기판 및 이를 위한 스테인레스 기판의 발색방법 |
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KR20200049306A (ko) | 2018-10-31 | 2020-05-08 | 한국생산기술연구원 | 자연산화막 제거가스를 이용한 저온 침탄처리방법 |
KR20200134834A (ko) * | 2019-05-24 | 2020-12-02 | 장인열처리(주) | 쇽업쇼바의 내식성이 향상된 경량 피스톤로드의 제조방법 |
KR20220095292A (ko) * | 2020-12-29 | 2022-07-07 | 주식회사 컬러스텐 | 칼라 스테인리스판 표면 가공 방법 |
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JP2011195947A (ja) | 2011-10-06 |
CN102191452A (zh) | 2011-09-21 |
CN102191452B (zh) | 2014-12-24 |
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