KR950032691A - 오스테나이트계 금속에 대한 침탄처리방법 및 그에 따라 제조되는 오스테나이트계 금속제품 - Google Patents

오스테나이트계 금속에 대한 침탄처리방법 및 그에 따라 제조되는 오스테나이트계 금속제품 Download PDF

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KR950032691A
KR950032691A KR1019950009482A KR19950009482A KR950032691A KR 950032691 A KR950032691 A KR 950032691A KR 1019950009482 A KR1019950009482 A KR 1019950009482A KR 19950009482 A KR19950009482 A KR 19950009482A KR 950032691 A KR950032691 A KR 950032691A
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austenitic
austenitic metal
carburizing
metal
carburizing treatment
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KR1019950009482A
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KR100344567B1 (ko
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마사아키 다하라
하루오 센보쿠야
겐조 기타노
다다시 하야시다
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아오키 히로시
다이도 호쿠산 가부시키가이샤
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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
    • C23C8/20—Carburising
    • C23C8/22—Carburising 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
    • C23C8/28—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
    • 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
    • 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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  • 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 금속에 대한 침탄처리방법 및 그에 따라 제조되는 오스테나이트계 금속제품에 관한 것으로서, 침탄처리 앞서 불소계 가스분위기하에서 오스테나이트계 금속을 가열상태로 유지하고 이어서 침탄처리시의 온도를 680℃ 이하의 온도로 설정해서 침탄처리하는 것을 특징으로 한다.

Description

오스테나이트계 금속에 대한 침탄처리방법 및 그에 따라 제조되는 오스테나이트계 금속제품
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 침탄처리에 사용하는 노의 구성도.

Claims (8)

  1. 침탄처리에 앞서, 불소계 가스 분위기하에서 오스테나이트계 금속을 가열상태로 유지하고, 이어서 침탄처리시의 온도를 680℃ 이하의 온도로 설정하여 침탄처리하는 것을 특징으로 하는 오스테나이트계 금속에 대한 침탄처리 방법.
  2. 제1항에 있어서, 침탄처리시의 온도가 400~500℃로 설정되어 있는 것을 특징으로 하는 오스테나이트계 금속에 대한 침탄처리 방법.
  3. 제1항 또는 제2항에 있어서, 불소계 가스 분위기하에서의 상기 가열이 오스테나이트계 금속을 250~450℃ 온도 범위내로 하여 실시되는 오스테나이트계 금속에 대한 침탄처리방법.
  4. 제1항 내지 제3항 중 어느 한 항에 있어서, 오스테나이트계 금속이 오스테나이트계 스테인레스인 것을 특징으로 하는 오스테나이트계 금속에 대한 침탄처리방법.
  5. 제1항 내지 제4항 중 어느 한 항에 있어서, 오스테나이트계 금속이 니켈을 32중량% 이상 함유하는 Ni기합금인 것을 특징으로 하는 오스테나이트계 금속에 대한 침탄처리방법.
  6. 표면으로부터 10~70㎛의 깊이의 표면층이 탄소원자의 침입에 의해 경화해서 침탄경화층으로 형성되고 이 침탄경화층의 경도가 마이크로비커스 경도로 700~1050(HV)으로 형성되고 상기 침탄경화층 중에는 거칠고 큰 크롬 탄화물 입자가 존재하지 않는 것을 특징으로 하는 오스테나이트계 금속제품.
  7. 제6항에 있어서, 오스테나이트계 금속이 오스테나이트계 스텐레스인 것을 특징으로 하는 오스테나이트계 금속제품.
  8. 제6항에 있어서, 경질표면층을 가지는 오스테나이트계 스테인레스 제품의 재료가 몰리브덴롤 1.5중량% 이상 함유하는 안정형 오스테나이트계 스테인레스인 것을 특징으로 하는 오스테나이트계 금속제품.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019950009482A 1994-04-18 1995-04-18 오스테나이트계금속에대한침탄처리방법및그에따라제조되는오스테나이트계금속제품 KR100344567B1 (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP7867794 1994-04-18
JP94-78677 1994-04-18
JP23705794 1994-09-30
JP94-237057 1994-09-30

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KR950032691A true KR950032691A (ko) 1995-12-22
KR100344567B1 KR100344567B1 (ko) 2002-11-02

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US (1) US5593510A (ko)
EP (1) EP0678589B1 (ko)
KR (1) KR100344567B1 (ko)
CN (1) CN1070538C (ko)
DE (1) DE69510719T2 (ko)
TW (1) TW275088B (ko)

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Also Published As

Publication number Publication date
EP0678589B1 (en) 1999-07-14
TW275088B (ko) 1996-05-01
CN1115791A (zh) 1996-01-31
EP0678589A1 (en) 1995-10-25
DE69510719T2 (de) 1999-12-09
CN1070538C (zh) 2001-09-05
KR100344567B1 (ko) 2002-11-02
DE69510719D1 (de) 1999-08-19
US5593510A (en) 1997-01-14

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