FR2623209B1 - Procede de traitement thermique sous atmosphere gazeuse a base d'azote et d'hydrocarbure - Google Patents

Procede de traitement thermique sous atmosphere gazeuse a base d'azote et d'hydrocarbure

Info

Publication number
FR2623209B1
FR2623209B1 FR8715860A FR8715860A FR2623209B1 FR 2623209 B1 FR2623209 B1 FR 2623209B1 FR 8715860 A FR8715860 A FR 8715860A FR 8715860 A FR8715860 A FR 8715860A FR 2623209 B1 FR2623209 B1 FR 2623209B1
Authority
FR
France
Prior art keywords
heat treatment
under nitrogen
gas atmosphere
hydrocarbon gas
treatment under
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
FR8715860A
Other languages
English (en)
Other versions
FR2623209A1 (fr
Inventor
Pascal Baldo
Eric Duchateau
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Air Liquide SA
Original Assignee
Air Liquide SA
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
Application filed by Air Liquide SA filed Critical Air Liquide SA
Priority to FR8715860A priority Critical patent/FR2623209B1/fr
Priority to AU24965/88A priority patent/AU615958B2/en
Priority to ES198888402840T priority patent/ES2028338T3/es
Priority to EP88402840A priority patent/EP0317407B1/fr
Priority to DE8888402840T priority patent/DE3868015D1/de
Priority to ZA888534A priority patent/ZA888534B/xx
Priority to KR1019880015082A priority patent/KR890008333A/ko
Priority to CA000583270A priority patent/CA1318839C/fr
Priority to JP63289006A priority patent/JPH01162722A/ja
Publication of FR2623209A1 publication Critical patent/FR2623209A1/fr
Priority to US07/571,022 priority patent/US4992113A/en
Application granted granted Critical
Publication of FR2623209B1 publication Critical patent/FR2623209B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
    • 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
    • C21D11/00—Process control or regulation for heat treatments
    • 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
    • C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
    • C21D1/76—Adjusting the composition of the atmosphere

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Furnace Details (AREA)
  • Control Of Heat Treatment Processes (AREA)
FR8715860A 1987-11-17 1987-11-17 Procede de traitement thermique sous atmosphere gazeuse a base d'azote et d'hydrocarbure Expired - Fee Related FR2623209B1 (fr)

Priority Applications (10)

Application Number Priority Date Filing Date Title
FR8715860A FR2623209B1 (fr) 1987-11-17 1987-11-17 Procede de traitement thermique sous atmosphere gazeuse a base d'azote et d'hydrocarbure
AU24965/88A AU615958B2 (en) 1987-11-17 1988-11-09 Process for heat treat,ment under a gaseous containing nitrogen and hydrocarbon
ES198888402840T ES2028338T3 (es) 1987-11-17 1988-11-14 Procedimiento de tratamiento termico de aceros bajo atmosfera gaseosa a base de nitrogeno y de hidrocarburo.
EP88402840A EP0317407B1 (fr) 1987-11-17 1988-11-14 Procédé de traitement thermique sous atmosphère gazeuse à base d'azote et d'hydrocarbure
DE8888402840T DE3868015D1 (de) 1987-11-17 1988-11-14 Verfahren zur waermebehandlung in einer gasatmosphaere auf der basis von stickstoff und kohlenwasserstoff.
ZA888534A ZA888534B (en) 1987-11-17 1988-11-15 Process for heat treatment under a gaseous atmosphere containing nitrogen and hydrocarbon
KR1019880015082A KR890008333A (ko) 1987-11-17 1988-11-16 질소와 탄화수소가 하유된 기체 분위기하의 열처리 공정
CA000583270A CA1318839C (fr) 1987-11-17 1988-11-16 Procede de traitement thermique sous atmosphere gazeuse a base d'azote et d'hydrocarbure
JP63289006A JPH01162722A (ja) 1987-11-17 1988-11-17 窒素及び炭化水素を含有するガス状雰囲気下での鋼材の熱処理方法
US07/571,022 US4992113A (en) 1987-11-17 1990-08-22 Process for heat treatment under a gaseous atmosphere containing nitrogen and hydrocarbon

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8715860A FR2623209B1 (fr) 1987-11-17 1987-11-17 Procede de traitement thermique sous atmosphere gazeuse a base d'azote et d'hydrocarbure

Publications (2)

Publication Number Publication Date
FR2623209A1 FR2623209A1 (fr) 1989-05-19
FR2623209B1 true FR2623209B1 (fr) 1993-09-03

Family

ID=9356869

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8715860A Expired - Fee Related FR2623209B1 (fr) 1987-11-17 1987-11-17 Procede de traitement thermique sous atmosphere gazeuse a base d'azote et d'hydrocarbure

Country Status (10)

Country Link
US (1) US4992113A (fr)
EP (1) EP0317407B1 (fr)
JP (1) JPH01162722A (fr)
KR (1) KR890008333A (fr)
AU (1) AU615958B2 (fr)
CA (1) CA1318839C (fr)
DE (1) DE3868015D1 (fr)
ES (1) ES2028338T3 (fr)
FR (1) FR2623209B1 (fr)
ZA (1) ZA888534B (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL89525A0 (en) * 1988-03-21 1989-09-10 Exxon Chemical Patents Inc Silicon-bridged transition metal compounds
KR930001008B1 (ko) * 1989-12-26 1993-02-12 동양나이론 주식회사 열처리 가열로의 분위기 조절방법
US5194228A (en) * 1990-10-12 1993-03-16 General Signal Corporation Fluidized bed apparatus for chemically treating workpieces
US5205485A (en) * 1992-06-25 1993-04-27 The Boc Group, Inc. Apparatus and method of controlling moisture content within a reaction vessel
US5298090A (en) * 1992-12-22 1994-03-29 Air Products And Chemicals, Inc. Atmospheres for heat treating non-ferrous metals and alloys
JP3460075B2 (ja) * 1995-12-28 2003-10-27 同和鉱業株式会社 金属の浸炭方法
NZ314334A (en) * 1996-04-19 1997-09-22 Boc Group Inc Method of heat treating a metal with nitrogen rich gas preheated and then having oxygen-reactive gas added
JPH1012141A (ja) * 1996-06-26 1998-01-16 Mitsubishi Electric Corp Ｃｒｔ内部材の製造方法及び製造装置
FR2777910B1 (fr) * 1998-04-27 2000-08-25 Air Liquide Procede de regulation du potentiel carbone d'une atmosphere de traitement thermique et procede de traitement thermique mettant en oeuvre une telle regulation
US6612154B1 (en) 1998-12-22 2003-09-02 Furnace Control Corp. Systems and methods for monitoring or controlling the ratio of hydrogen to water vapor in metal heat treating atmospheres
US6591215B1 (en) 1999-02-18 2003-07-08 Furnace Control Corp. Systems and methods for controlling the activity of carbon in heat treating atmospheres
US6635121B2 (en) 2000-02-04 2003-10-21 American Air Liquide, Inc. Method and apparatus for controlling the decarburization of steel components in a furnace
US6458217B1 (en) 2000-02-29 2002-10-01 American Air Liquide, Inc. Superadiabatic combustion generation of reducing atmosphere for metal heat treatment
DE10347312B3 (de) * 2003-10-08 2005-04-14 Air Liquide Deutschland Gmbh Verfahren zur Wärmebehandlung von Eisenwerkstoffen
BRPI0515442B1 (pt) * 2004-09-15 2019-06-25 Nippon Steel & Sumitomo Metal Corporation Métodos de produção de peças de alta resistência
US20080187850A1 (en) * 2007-02-06 2008-08-07 Xerox Corporation Tunable electrophotographic imaging member and method of making same
EP3168314A1 (fr) * 2015-11-13 2017-05-17 Air Liquide Deutschland GmbH Procédé de traitement thermique de pièces métalliques
CN114196809A (zh) * 2021-12-21 2022-03-18 新疆八一钢铁股份有限公司 一种降低钢坯加热脱碳的方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2815305A (en) * 1955-07-20 1957-12-03 Harold N Ipsen Method of and apparatus for heat treating metal parts
IT649978A (fr) * 1960-06-17
GB1471880A (en) * 1973-10-26 1977-04-27 Air Prod & Chem Furnace atmosphere for the heat treatment of ferrous metal
FR2285461A1 (fr) * 1974-09-20 1976-04-16 Air Liquide Procede de traitement thermique de l'acier en atmosphere reductrice et non decarburante
US4049472A (en) * 1975-12-22 1977-09-20 Air Products And Chemicals, Inc. Atmosphere compositions and methods of using same for surface treating ferrous metals
CH628092A5 (de) * 1978-03-21 1982-02-15 Ipsen Ind Int Gmbh Verfahren und vorrichtung zur regelung des kohlenstoffpegels eines chemisch reagierenden gasgemisches.
GB2044804A (en) * 1979-03-16 1980-10-22 Boc Ltd Heat treatment method
US4445945A (en) * 1981-01-14 1984-05-01 Holcroft & Company Method of controlling furnace atmospheres
JPS6058286B2 (ja) * 1982-06-28 1985-12-19 中外炉工業株式会社 雰囲気ガス加湿装置
FR2586259B1 (fr) * 1985-08-14 1987-10-30 Air Liquide Procede de cementation rapide dans un four continu

Also Published As

Publication number Publication date
ES2028338T3 (es) 1992-07-01
JPH01162722A (ja) 1989-06-27
AU2496588A (en) 1989-05-18
US4992113A (en) 1991-02-12
KR890008333A (ko) 1989-07-10
EP0317407A1 (fr) 1989-05-24
DE3868015D1 (de) 1992-03-05
EP0317407B1 (fr) 1992-01-22
FR2623209A1 (fr) 1989-05-19
CA1318839C (fr) 1993-06-08
AU615958B2 (en) 1991-10-17
ZA888534B (en) 1989-09-27

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Legal Events

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