KR960041404A - 강의 질화방법 - Google Patents

강의 질화방법 Download PDF

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Publication number
KR960041404A
KR960041404A KR1019960017168A KR19960017168A KR960041404A KR 960041404 A KR960041404 A KR 960041404A KR 1019960017168 A KR1019960017168 A KR 1019960017168A KR 19960017168 A KR19960017168 A KR 19960017168A KR 960041404 A KR960041404 A KR 960041404A
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KR
South Korea
Prior art keywords
gas
steel
atmosphere containing
volume
fluorine
Prior art date
Application number
KR1019960017168A
Other languages
English (en)
Inventor
겐조 기타노
아키오 하시가미
다카시 무라오카
Original Assignee
아오키 히로시
다이도 호쿠산 가부시키가이샤
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP12678395A external-priority patent/JP3428776B2/ja
Application filed by 아오키 히로시, 다이도 호쿠산 가부시키가이샤 filed Critical 아오키 히로시
Publication of KR960041404A publication Critical patent/KR960041404A/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
    • C23C8/02—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
    • 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
    • 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
    • C23C8/40—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 liquids, e.g. salt baths, liquid suspensions
    • C23C8/42—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 liquids, e.g. salt baths, liquid suspensions only one element being applied
    • C23C8/48—Nitriding
    • C23C8/50—Nitriding of ferrous surfaces

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

Abstract

본 발명은 강의 표면에 질소를 반응시켜서 경질의 질화층을 형성하는 강의 질화방법으로서, 질화에 앞서 불소 화합물 가스 또는 불소가스를 포함하는 가스 분위기에서 전체의 0.5~20용량%에 상당하는 공기 또는 0.1~4용량%에 상당하는 산고가스를 함유하는 가스 분위기 중에서 강을 가열 유지하는 방법이고 이것에 의해 질화 처리시의 질화 불균일성의 발생방지가 이루어짐과 동시에 고가의 불소계 가스의 소비량의 절약을 실현할 수 있는 것을 특징으로 한다.

Description

강의 질화방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에서 사용하는 처리로의 한 예를 나타낸 단면도이다.

Claims (1)

  1. 강의 표면에 질소를 반응시켜서 경질의 질화층을 형성하는 강의 질화방법으로서, 질화에 앞서 하기 (A), (B), 또는 (C)의 불화처리를 실시하는 것을 특징으로 하는 강의 질화방법.
    (A) 불소화합물가스 또는 불소가스를 포함하는 가스분위기로서, 전체의 0.5~20용량%에 상당하는 공기 또는 0.1~4용량%에 상당하는 산소가스를 함유하는 가스분위기 중에서 강을 가열 유지한다.
    (B) 불소화합물가스 또는 불소가스를 포함하는 가스분위기 중에서 강을 가열유지한 후, 전체의 0.5~20용량%에 상당하는 공기 또는 0.1~4용량%에 상당하는 산소가스를 함유하는 가스분위기 중에서 강을 가열 유지한다.
    (C) 전체의 0.5~100용량%에 상당하는 공기 또는 0.1~20용량%에 상당하는 산소가스를 함유하는 가스분위기 중에서 강을 가열유지한 후, 불소화합물가스 또는 불소가스를 포함하는 가스분위기 중에서 강을 가열유지한다.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019960017168A 1995-05-25 1996-05-17 강의 질화방법 KR960041404A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP12678395A JP3428776B2 (ja) 1994-11-18 1995-05-25 鋼の窒化方法
JP95-126783 1995-05-25

Publications (1)

Publication Number Publication Date
KR960041404A true KR960041404A (ko) 1996-12-19

Family

ID=14943834

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019960017168A KR960041404A (ko) 1995-05-25 1996-05-17 강의 질화방법

Country Status (6)

Country Link
US (1) US5650022A (ko)
EP (1) EP0744471B1 (ko)
KR (1) KR960041404A (ko)
CN (1) CN1106454C (ko)
DE (1) DE69619725T2 (ko)
TW (1) TW387943B (ko)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19730372C5 (de) * 1997-07-16 2007-01-18 IVA Industrieöfen - Verfahren - Anlagen Beratungs-, Produktions- und Vertriebs GmbH Reinigung und Entpassivierung von zu nitrierenden oder nitrocarburierenden Oberflächen mit leichten Säuren
US6165597A (en) * 1998-08-12 2000-12-26 Swagelok Company Selective case hardening processes at low temperature
US6093303A (en) 1998-08-12 2000-07-25 Swagelok Company Low temperature case hardening processes
US6547888B1 (en) 2000-01-28 2003-04-15 Swagelok Company Modified low temperature case hardening processes
US20030155045A1 (en) * 2002-02-05 2003-08-21 Williams Peter C. Lubricated low temperature carburized stainless steel parts
FR2838138B1 (fr) * 2002-04-03 2005-04-22 Usinor Acier pour la fabrication de moules d'injection de matiere plastique ou pour la fabrication de pieces pour le travail des metaux
US20050247375A1 (en) * 2002-09-24 2005-11-10 Teiji Suzuki Method of nitriding metal ring and apparatus therefor
JP4045248B2 (ja) * 2004-03-01 2008-02-13 ジヤトコ株式会社 無段変速機用ベルトの検査方法
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
JP6477609B2 (ja) * 2016-06-20 2019-03-06 トヨタ自動車株式会社 表面処理方法および表面処理装置
JPWO2020090999A1 (ja) * 2018-11-02 2021-12-02 パーカー熱処理工業株式会社 窒化鋼部材並びに窒化鋼部材の製造方法及び製造装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60229767A (ja) * 1984-04-27 1985-11-15 Hitachi Metals Ltd ドツトプリンタ用ワイヤ
US5254181A (en) * 1989-06-10 1993-10-19 Daidousanso Co., Ltd. Method of nitriding steel utilizing fluoriding
JPH089766B2 (ja) * 1989-07-10 1996-01-31 大同ほくさん株式会社 鋼の窒化方法
JP3023222B2 (ja) * 1991-08-31 2000-03-21 大同ほくさん株式会社 硬質オーステナイト系ステンレスねじおよびその製法
JP2868895B2 (ja) * 1990-11-30 1999-03-10 大同ほくさん株式会社 鋼材の酸化方法
DK0516899T3 (da) * 1991-06-04 1996-02-26 Daido Hoxan Inc Fremgangsmåde til nitrering af stål
JPH0657400A (ja) * 1992-08-06 1994-03-01 Parker Netsushiyori Kogyo Kk 鋼鉄製部品の窒化方法

Also Published As

Publication number Publication date
US5650022A (en) 1997-07-22
CN1146498A (zh) 1997-04-02
EP0744471A3 (en) 1999-02-10
CN1106454C (zh) 2003-04-23
EP0744471A2 (en) 1996-11-27
EP0744471B1 (en) 2002-03-13
TW387943B (en) 2000-04-21
DE69619725D1 (de) 2002-04-18
DE69619725T2 (de) 2002-10-02

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