KR970059302A - 오스테나이트계 스텐레스에 대한 침탄처리방법 및 그에 의해 얻어진 오스테나이트계 스텐레스 제품 - Google Patents

오스테나이트계 스텐레스에 대한 침탄처리방법 및 그에 의해 얻어진 오스테나이트계 스텐레스 제품 Download PDF

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KR970059302A
KR970059302A KR1019960019892A KR19960019892A KR970059302A KR 970059302 A KR970059302 A KR 970059302A KR 1019960019892 A KR1019960019892 A KR 1019960019892A KR 19960019892 A KR19960019892 A KR 19960019892A KR 970059302 A KR970059302 A KR 970059302A
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South Korea
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stainless steel
austenitic stainless
carburizing
weight
treatment method
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KR1019960019892A
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English (en)
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마사키 다하라
하루오 센보쿠야
긴조 기타노
다다시 하야시다
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아오키 히로시
다이도 호쿠산 가부시키가이샤
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Publication of KR970059302A publication Critical patent/KR970059302A/ko

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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
    • 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
    • C23C8/20—Carburising
    • C23C8/22—Carburising of ferrous surfaces
    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/06—Surface hardening
    • 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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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)

Abstract

본 발명은 오스테나이트계 스텐레스에 대해 침탄처리를 실시하여, 그 표면을 경질화 시킴과 동시에 내식성을 향상시키는 침탄처리방법 및 그 방법에 의해 얻어지는 오스테나이트게 스텐레스 제품에 관한 것으로서, 불소계 가스 분위기하에서 계속 가열한 후 680℃이하의 온도에서 침탄처리하는 침탄처리방법이고, 피처리재가 모리브벤을 1~6중량% 함유하는 안정형 오스테나이트계 스텐레스 또는 크롬을 13~25중량%함유하는 안정형 오스테나이트계 스텐레스이며, 상기 침탄처리에 의해 모재 이상의 내식성을 가지는 침탄 경화층을 형성하는 오스테나이트계 스텐레스에 대한 침탄처리 방법 및 그것에 의해 얻어진 오스테나이트계 스텐레스 제품을 특징으로 한다.

Description

오스테나이트계 스텐레스에 대한 침탄처리방법 및 그에 의해 얻어진 오스테나이트게 스텐레스 제품
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 따른 침탄처리에 사용하는 처리로의 구성도.

Claims (4)

  1. 침탄처리에 앞서 불소계 분위기하에서 오스테나이트계 스텐레스를 가열상태로 유지하고, 이어서 침탄처리시의 온도를 680℃이하로 설정해거 침탄처리를 하는 오스테나이트계 스텐레스에 대한 침탄처리 방법으로서, 상기 오스테나이트계 스텐레스가 몰리브덴을 1~6중량% 함유하는 안정형 오스테나이트계 스텐레스 또는 크롬을 13~25중량% 함유하는 안정형 오스테나이트계 스텐레스이며, 상기 침탄처리에 의해 모재 이상의 내식성을 가진 침탄경화층을 형성하는 것을 특징으로 하는 오스테나이트계 스텐레스에 대한 침탄처리방법.
  2. 제1항에 있어서, 상기 침탄리시의 온도가 400~500℃로 설정되어 있는 것을 특징으로 하는 오스테나이트계 스텐레스에 대한 침탄처리방법.
  3. 제1항 또는 제2항에 있어서, 상기 불소계 가스 분위기하에 있어서, 오스테나이트계 스텐레스의 상기 가열이 250~450℃온도 범위에서 실시되는 것을 특징으로 하는 오스테나이트계 스텐레스에 대한 침탄처리방법.
  4. 모재가 몰리브덴을 1~6중량% 함유하는 안정형 오스테나이트계 스텐레스 또는 크롬을 13~25중량% 함유하는 안정형 오스테나이트계 스텐레스로 형성되고, 표면에서 5~70㎛깊이의 표면층이 탄소원자의 침입에 의해 경화되어 침탄경화층이 형성되며, 상기 침탄경화층의 경도가 마이크로비커스 경도로 500~1050(Hv)이며 상기 침탄경화층이 크롬탄화물 입자가 존재하지 않는 오스테나이트상으로부터 형성되어 모재 이상의 내식성을 가지는 것을 특징으로 하는 오스테나이트계 스텐레스 제품.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019960019892A 1996-01-30 1996-06-05 오스테나이트계 스텐레스에 대한 침탄처리방법 및 그에 의해 얻어진 오스테나이트계 스텐레스 제품 KR970059302A (ko)

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JP1436596 1996-01-30
JP96-014365 1996-01-30

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KR970059302A true KR970059302A (ko) 1997-08-12

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EP (1) EP0787817A3 (ko)
KR (1) KR970059302A (ko)
CN (1) CN1140649C (ko)
HK (1) HK1002363A1 (ko)
TW (1) TW336257B (ko)

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WO2001018275A1 (fr) * 1999-09-07 2001-03-15 Citizen Watch Co., Ltd. Ornement et son procede de preparation
US6547888B1 (en) 2000-01-28 2003-04-15 Swagelok Company Modified low temperature case hardening processes
KR100660444B1 (ko) * 2005-06-14 2006-12-22 울산화학주식회사 삼불화질소 가스의 저장방법
US20070057505A1 (en) 2005-09-13 2007-03-15 Williams Peter C Corrosion resistant conduit systems with enhanced surface hardness
AU2010279452B2 (en) 2009-08-07 2015-04-30 Swagelok Company Low temperature carburization under soft vacuum
EP2804965B1 (en) 2012-01-20 2020-09-16 Swagelok Company Concurrent flow of activating gas in low temperature carburization
CN102828145A (zh) * 2012-08-09 2012-12-19 武汉材料保护研究所 一种实现奥氏体不锈钢强化和耐蚀的低温气体渗碳方法
CN103266322B (zh) * 2013-05-28 2015-02-11 福建钢泓金属科技有限公司 一种真空沉积高硬滑爽不锈钢镜面装饰板
JP6171910B2 (ja) * 2013-12-12 2017-08-02 トヨタ自動車株式会社 鉄系金属部品の製造方法
EP3140433B1 (en) 2014-05-06 2020-07-15 Case Western Reserve University Alloy surface activation by immersion in aqueous acid solution
WO2016019088A1 (en) 2014-07-31 2016-02-04 Williams Peter C Enhanced activation of self-passivating metals
CN108662083B (zh) * 2015-08-28 2020-10-30 株式会社椿本链条 链条
CN106835005B (zh) * 2016-12-21 2019-01-15 机械科学研究总院青岛分院有限公司 一种奥氏体不锈钢的低温气体渗碳方法
EP3802903A1 (en) 2018-06-11 2021-04-14 Swagelok Company Chemical activation of self-passivating metals
EP4069880A1 (en) 2019-12-06 2022-10-12 Swagelok Company Chemical activation of self-passivating metals
EP4143358A1 (en) 2020-04-29 2023-03-08 Swagelok Company Activation of self-passivating metals using reagent coatings for low temperature nitrocarburization
EP4210885A2 (en) 2020-09-10 2023-07-19 Swagelok Company Low-temperature case hardening of additive manufactured articles and materials and targeted application of surface modification
US20220364216A1 (en) 2021-04-28 2022-11-17 Swagelok Company Activation of self-passivating metals using reagent coatings for low temperature nitrocarburization in the presence of oxygen-containing gas
WO2023235668A1 (en) 2022-06-02 2023-12-07 Swagelok Company Laser-assisted reagent activation and property modification of self-passivating metals
CN116179946A (zh) * 2023-02-01 2023-05-30 浙江久立特材科技股份有限公司 一种高强度耐co2蚀不锈钢、油套管及其制备方法和应用
CN117127124B (zh) * 2023-10-21 2023-12-22 江苏金迪特钢有限公司 一种耐高温和低温的奥氏体不锈钢及其制备方法

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TW336257B (en) 1998-07-11
EP0787817A2 (en) 1997-08-06
CN1140649C (zh) 2004-03-03
EP0787817A3 (en) 1999-01-27
HK1002363A1 (en) 1998-08-21
CN1160774A (zh) 1997-10-01

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