KR100862217B1 - 2단계 가스 질화 또는 가스 질화침탄에 의한 고내식 및고내마모 강재의 제조방법 - Google Patents
2단계 가스 질화 또는 가스 질화침탄에 의한 고내식 및고내마모 강재의 제조방법 Download PDFInfo
- Publication number
- KR100862217B1 KR100862217B1 KR1020070028535A KR20070028535A KR100862217B1 KR 100862217 B1 KR100862217 B1 KR 100862217B1 KR 1020070028535 A KR1020070028535 A KR 1020070028535A KR 20070028535 A KR20070028535 A KR 20070028535A KR 100862217 B1 KR100862217 B1 KR 100862217B1
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- KR
- South Korea
- Prior art keywords
- nitriding
- gas
- resistant
- phase
- nitrogen
- Prior art date
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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
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- 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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
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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
- C23C8/24—Nitriding
- C23C8/26—Nitriding of ferrous surfaces
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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
- C23C8/28—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
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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
- C23C8/80—After-treatment
Abstract
Description
Claims (4)
- (a) 강재를 암모니아, 이산화탄소 및 질소로 구성되는 3종의 혼합 가스분위기; 또는 암모니아와 질소의 2종의 혼합 가스분위기의 550℃ ∼ 700℃ 온도구간에서 1 ∼ 3시간동안 첫 번째 단계 가스 질화 또는 가스 질화침탄 처리하는 공정; 및(b) 상기 (a)공정을 거친 강재를 암모니아, 이산화탄소 및 질소로 구성되는 3종의 혼합 가스분위기; 또는 암모니아와 질소의 2종의 혼합 가스분위기의 450℃ ∼ 580℃ 온도구간에서 1 ∼ 2시간동안 두 번째 단계 가스 질화 또는 가스 질화침탄 처리하는 공정을 포함하며,상기 (a) 및 (b)의 가스 질화 또는 가스 질화침탄 처리 공정에 의해 강재의 표면에는 단일의 ε-상이 형성되는 것을 특징으로 하는 고내식, 고내마모 강재의 제조방법.
- 삭제
- 삭제
- 삭제
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070028535A KR100862217B1 (ko) | 2007-03-23 | 2007-03-23 | 2단계 가스 질화 또는 가스 질화침탄에 의한 고내식 및고내마모 강재의 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070028535A KR100862217B1 (ko) | 2007-03-23 | 2007-03-23 | 2단계 가스 질화 또는 가스 질화침탄에 의한 고내식 및고내마모 강재의 제조방법 |
Publications (1)
Publication Number | Publication Date |
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KR100862217B1 true KR100862217B1 (ko) | 2008-10-09 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020070028535A KR100862217B1 (ko) | 2007-03-23 | 2007-03-23 | 2단계 가스 질화 또는 가스 질화침탄에 의한 고내식 및고내마모 강재의 제조방법 |
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KR (1) | KR100862217B1 (ko) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101149405B1 (ko) * | 2009-04-20 | 2012-06-01 | 동아대학교 산학협력단 | 내식성과 내오염성이 우수한 경량 가드레일 및 그의 제조 방법 |
KR101269572B1 (ko) | 2011-03-31 | 2013-06-05 | 동아대학교 산학협력단 | 고내구성 및 고내식성 철강소재 기계부품의 표면개질 처리방법 |
CN104694725A (zh) * | 2015-03-13 | 2015-06-10 | 山东大学 | 一种超高强度超耐磨链条的制造工艺 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20020095853A (ko) * | 2001-06-16 | 2002-12-28 | 사단법인 고등기술연구원 연구조합 | 다단계 온도처리 질화방법 |
KR20050000627A (ko) * | 2003-06-24 | 2005-01-06 | 주식회사 화영 | 가스질화의 열처리 방법 |
-
2007
- 2007-03-23 KR KR1020070028535A patent/KR100862217B1/ko active IP Right Grant
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20020095853A (ko) * | 2001-06-16 | 2002-12-28 | 사단법인 고등기술연구원 연구조합 | 다단계 온도처리 질화방법 |
KR20050000627A (ko) * | 2003-06-24 | 2005-01-06 | 주식회사 화영 | 가스질화의 열처리 방법 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101149405B1 (ko) * | 2009-04-20 | 2012-06-01 | 동아대학교 산학협력단 | 내식성과 내오염성이 우수한 경량 가드레일 및 그의 제조 방법 |
KR101269572B1 (ko) | 2011-03-31 | 2013-06-05 | 동아대학교 산학협력단 | 고내구성 및 고내식성 철강소재 기계부품의 표면개질 처리방법 |
CN104694725A (zh) * | 2015-03-13 | 2015-06-10 | 山东大学 | 一种超高强度超耐磨链条的制造工艺 |
CN104694725B (zh) * | 2015-03-13 | 2017-03-15 | 山东大学 | 一种超高强度超耐磨链条的制造工艺 |
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