KR950032693A - 침탄 열처리방법 및 침탄열처리한 동력전달부재 - Google Patents

침탄 열처리방법 및 침탄열처리한 동력전달부재 Download PDF

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KR950032693A
KR950032693A KR1019950006831A KR19950006831A KR950032693A KR 950032693 A KR950032693 A KR 950032693A KR 1019950006831 A KR1019950006831 A KR 1019950006831A KR 19950006831 A KR19950006831 A KR 19950006831A KR 950032693 A KR950032693 A KR 950032693A
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heat treatment
carburizing
tooth
carbon concentration
carburized
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KR1019950006831A
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KR100317712B1 (ko
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아키라 마타가미
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와다 요시히로
마쯔다 가부시끼가이샤
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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
    • C21D9/32—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for gear wheels, worm wheels, or the like
    • 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
    • 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
    • C21D1/09—Surface hardening by direct application of electrical or wave energy; by particle radiation
    • C21D1/10—Surface hardening by direct application of electrical or wave energy; by particle radiation by electric induction
    • 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
    • C23C8/36—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 using ionised gases, e.g. ionitriding
    • C23C8/38—Treatment 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
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/001—Austenite
    • 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
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/008—Martensite
    • 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
    • C21D2221/00—Treating localised areas of an article
    • C21D2221/10—Differential treatment of inner with respect to outer regions, e.g. core and periphery, respectively
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/25—Process efficiency

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

Abstract

1. 청구범위에 기재된 발명이 속한 기술분야.
본 발명은 침탄열처리방법 및 침탄열처리한 동력전달부재에 관한 것이다.
2. 발명이 해결하려고 하는 기술적 과제.
본 발명은 침탄열처리를 주제로하고 상기한 침탄열처리를 주제로 하는 경우에 있어서 에쥐부분의 파괴강도를 향상시킴과 동시에 치측면의 내스포일링성의 부족을 해결하려는 것이 본 발명이 해결하려고 하는 과제이다.
3. 발명의 해결방법의 요지.
톱니바퀴 등의 가공물에 대해 플라즈마침탄등에 따라 침탄처리를 실시한 후 냉각하고 이어서 가공물표면에 고주파열처리를 하고 고주파열처리할 때의 가열은 치저부쪽의 치측면보다 가열온도가 높다. 단 고온에 유지되는 시간이 길어지게 설정된다. 그러므로 치저부에 있어서 탄소의 고용이 촉진되어 열처리후의 잔류 오스테나이트량이 많아져(눈짐작으로 25%~35%)에쥐부분의 인성(靭性)이 증가한다. 치측면에서는 잔류 오스테나이트가 적어(눈짐작으로는 5~15%), 내 스포일링성이 좋다.
4. 발명의 중요한 용도.
본 발명은 침탄열처리방법 및 침탄열처리한 동력전달부재에 관한 것이며 에쥐부분의 파괴강도를 향상시킴과 동시에 치측면의 내스포일링성을 향상시키는 것에 관한 것이다.

Description

침탄 열처리방법 및 침탄열처리한 동력전달부재
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 차동장치기어의 피니언기어의 단면도, 제2도는 고주파 열처리 시험장치의 설명도, 제3도는 차동장치기어의 피니언기어의 각 측정부위를 설명하는 도면.

Claims (9)

  1. 치부가 같은 간격으로 형성되어 있는 동력전달부재에 침탄처리를 한 후에 냉각하고 이어 표면열처리를 하는 것을 상기 표면열처리시에 치저부의 가열온도가 치측면의 가열온도보다 높아지도록 그 동력전달부재를 가열하는 것을 특징으로 하는 침탄열처리방법.
  2. 제1항에 있어서, 표면열처리시의 가열은 승온에서 균열, 본 가열에 따라 치저부의 온도가 치측면의 온도보다 높아지도록 설정하는 것을 특징으로 하는 침탄열처리방법.
  3. 제1항 또는 제2항에 있어서, 표면열처리시의 가열에 다라 침탄층의 최표면부를 탈탄하고 이 최표면부의 탄소농도를 그 아래의 탄소농도보다 저하시키는 것을 특징으로 하는 침탄열처리방법.
  4. 제3항에 있어서, 표면열처리시의 가열에 의해 치저부에 다르는 침탄층의 최표면부를 탈탄하고 이 최표면부의 탄소농도를 그 아래의 탄소농도보다 저하시키는 것을 특징으로 하는 침탄열처리방법.
  5. 제1항 내지 제4항의 어느 한 항에 있어서, 표면열처리가 고주파열처리인 것을 특징으로 하는 침탄열처리방법.
  6. 치부가 등간격으로 형성된 동력전달부재에 침탄후 표면열처리한 것으로 치저부에 다른 침탄층의 잔류 오스테나이트양이 25%~35%이고, 치측면에 따르는 침탄층의 잔휴 오스테나이트양이 그것보다 적은 것을 특징으로 하는 침탄 열처리한 동력전달부재.
  7. 제6항에 있어서, 차측면에 있어 침탄층의 잔류 오스테나이트량이 5~15%인 것을 특징으로 하는 침탄열처리한 동력전달부재.
  8. 제6항 또는 제7항에 있어서, 침탄층의 최표면부의 탄소농도가 그 밑의 탄소농도보다 저하되어 있는 것을 특징으로 하는 침탄열처리한 동력전달부재.
  9. 제8항에 있어서, 치저부에 있어 침탄층의 최표면부 탄소농도가 그 밑의 탄소농도보다 더 낮아진 것을 특징으로 하는 침탄열처리한 동력전달부재.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019950006831A 1994-03-29 1995-03-29 침탄열처리방법및침탄열처리한동력전달부재 KR100317712B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP8413594 1994-03-29
JP94-84135 1994-03-29

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KR950032693A true KR950032693A (ko) 1995-12-22
KR100317712B1 KR100317712B1 (ko) 2002-04-24

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US (1) US6019857A (ko)
EP (1) EP0679725B1 (ko)
KR (1) KR100317712B1 (ko)
DE (1) DE69522599T2 (ko)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19954205A1 (de) 1999-11-11 2001-05-31 Ks Aluminium Technologie Ag Metall-keramischer Verbundwerkstoffkörper sowie Verfahren zu seiner Herstellung
JP2002286115A (ja) * 2001-03-23 2002-10-03 Nissan Motor Co Ltd 高強度歯車及びその製造方法
JP3560157B2 (ja) * 2001-06-18 2004-09-02 株式会社椿本チエイン 直噴型エンジン用タイミング伝動スプロケット
US7169238B2 (en) * 2003-12-22 2007-01-30 Caterpillar Inc Carbide method and article for hard finishing resulting in improved wear resistance
JP5018586B2 (ja) * 2007-04-09 2012-09-05 大同特殊鋼株式会社 高強度浸炭高周波焼入れ部品
FR2945546B1 (fr) * 2009-05-15 2014-06-13 Peugeot Citroen Automobiles Sa Procede de renforcement d'une piece mecanique en alliage ferreux.
WO2014203610A1 (ja) * 2013-06-20 2014-12-24 アイシン・エィ・ダブリュ株式会社 ギヤおよびその製造方法
CN109971924A (zh) * 2019-05-16 2019-07-05 重庆银雁科技有限公司 一种齿圈淬火工艺
CN111041405B (zh) * 2019-12-30 2021-08-24 瓦房店正达冶金轧机轴承有限公司 一种大型背衬轴承套圈深层渗碳方法
CN112626315A (zh) * 2020-12-04 2021-04-09 山东钢铁股份有限公司 一种大断面齿轮钢连铸圆坯加热工艺

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FR923454A (fr) * 1946-03-07 1947-07-08 Renault Procédé de traitement des pignons
DE1003779B (de) * 1954-07-03 1957-03-07 Zahnradfabrik Friedrichshafen Hochfeste Zahnraeder und Verfahren zu ihrer Herstellung
US3177563A (en) * 1960-06-28 1965-04-13 Laval Turbine Method of treating gears and the like
JPS51132129A (en) * 1975-05-13 1976-11-17 Nippon Steel Corp Method of fabricating geared wheel
JPS60208421A (ja) * 1984-03-31 1985-10-21 Kobe Steel Ltd 歯車の高周波焼入れ方法
JPH0772305B2 (ja) * 1988-11-15 1995-08-02 第一高周波工業株式会社 スプロケットホイールの焼入方法及びこの方法に用いる高周波誘導子
JPH02138554A (ja) * 1988-11-16 1990-05-28 Nissan Motor Co Ltd 高強度歯車
SU1748912A1 (ru) * 1990-04-20 1992-07-23 Физико-технический институт АН БССР Способ изготовлени зубчатых колес из высокопрочного чугуна

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Publication number Publication date
US6019857A (en) 2000-02-01
EP0679725B1 (en) 2001-09-12
EP0679725A1 (en) 1995-11-02
DE69522599D1 (de) 2001-10-18
KR100317712B1 (ko) 2002-04-24
DE69522599T2 (de) 2002-07-11

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