KR960029481A - 가스 침탄방법 및 그의 장치 - Google Patents

가스 침탄방법 및 그의 장치 Download PDF

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Publication number
KR960029481A
KR960029481A KR1019960000617A KR19960000617A KR960029481A KR 960029481 A KR960029481 A KR 960029481A KR 1019960000617 A KR1019960000617 A KR 1019960000617A KR 19960000617 A KR19960000617 A KR 19960000617A KR 960029481 A KR960029481 A KR 960029481A
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South Korea
Prior art keywords
chamber
heated
quenching
carburizing
gas
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KR1019960000617A
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English (en)
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KR100363813B1 (ko
Inventor
도시유끼 가와무라
히토시 고이
아츠시 무라야마
히로후미 가미스기
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하라다 겐조오
도오와 고오교 가부시끼가이샤
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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
    • 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
    • C21D1/78—Combined heat-treatments not provided for above
    • 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
    • C21D9/0062—Heat-treating apparatus with a cooling or quenching zone
    • 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
    • C21D1/62—Quenching devices
    • C21D1/63—Quenching devices for bath quenching
    • C21D1/64—Quenching devices for bath quenching with circulating liquids

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)

Abstract

침탄 처리온도인 750~950℃로 승온 예열한 피처리재 W를, 탄화수소 가스와 산화성 가스가 직접 공급되어 1000~1100℃로 가열된 침탄 분위기 속에서, 가열처리된 후, 담금질을 실시한다. 처리시간이 대폭으로 단축되므로, 침탄처리에 드는 에너지를 절약할 수 있다.

Description

가스 침탄방법 및 그의 장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 가스침탄장치의 측면 요부 종단면도이다, 제2도는 담금질실부의 개략적인 종단면도이다.

Claims (5)

  1. 침탄 처리온도인 750~950℃로 승온 예열한 피처리재를, 탄화수소가스와 산화성 가스가 직접 공급되고 1000~1100℃로 가열된 침탄 분위기 속에서, 가열처리하는 것을 특징으로 하는 가스 침탄방법.
  2. 침탄처리온도인 750~950℃로 승온 예열한 피처리재를, 탄화수소가스와 산화성 가스가 직접 공급되고 1000~1100℃로 가열된 침탄 분위기 속에서, 가열처리하고, 이어서 피처리재를 600℃ 이하로 강제 냉각하여, 다시 피처리재를 750~850℃로 재가열한 후, 담금질을 행하는 것을 특징으로 하는 가스 침탄방법.
  3. 제2항에 있어서, 전기한 담금질은 담금질유의 층류방식으로 실시하는 것을 특징으로 하는 가스 침탄방법.
  4. 피처리재를 750~950℃로 승온 예열하는 예열실과; 탄화수소 가스와 산화성 가스가 직접 공급되어 1000~1100℃로 가열되는 침탄실과; 침탄완료 피처리재를 600℃ 이하로 강제 냉각시키는 냉각실과; 이 냉각실에서 냉각된 피처리재를 750~850℃로 재가열하는 재가열실과; 담금질실과; 퍼지실을 비치하고, 이들 각 실이 각기 피처리재의 반송수단을 가지며, 개폐문을 통하여 순차적으로 연결되어 이루어지는 것을 특징으로 하는 가스 침탄장치.
  5. 제4항에 있어서, 전기한 담금질실이 층류방식의 담금질실인 것을 특징으로 하는 가스 침탄장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019960000617A 1995-01-20 1996-01-15 가스침탄방법및그의장치 KR100363813B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP7-26144 1995-01-20
JP02614495A JP3448789B2 (ja) 1995-01-20 1995-01-20 ガス浸炭方法

Publications (2)

Publication Number Publication Date
KR960029481A true KR960029481A (ko) 1996-08-17
KR100363813B1 KR100363813B1 (ko) 2003-02-05

Family

ID=12185358

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019960000617A KR100363813B1 (ko) 1995-01-20 1996-01-15 가스침탄방법및그의장치

Country Status (7)

Country Link
US (1) US5676769A (ko)
EP (1) EP0723034B2 (ko)
JP (1) JP3448789B2 (ko)
KR (1) KR100363813B1 (ko)
DE (1) DE69514775T3 (ko)
ES (1) ES2141308T5 (ko)
IN (1) IN187151B (ko)

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Also Published As

Publication number Publication date
DE69514775D1 (de) 2000-03-02
KR100363813B1 (ko) 2003-02-05
EP0723034A2 (en) 1996-07-24
DE69514775T3 (de) 2005-04-07
JP3448789B2 (ja) 2003-09-22
EP0723034B1 (en) 2000-01-26
DE69514775T2 (de) 2000-09-21
EP0723034A3 (en) 1996-12-11
US5676769A (en) 1997-10-14
IN187151B (ko) 2002-02-16
JPH08199331A (ja) 1996-08-06
ES2141308T3 (es) 2000-03-16
ES2141308T5 (es) 2004-11-01
EP0723034B2 (en) 2004-05-19

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