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AU531424B2 - Gas carburising, carbo-nitriding and neutral hardening of iron - Google Patents

Gas carburising, carbo-nitriding and neutral hardening of iron

Info

Publication number
AU531424B2
AU531424B2 AU56393/80A AU5639380A AU531424B2 AU 531424 B2 AU531424 B2 AU 531424B2 AU 56393/80 A AU56393/80 A AU 56393/80A AU 5639380 A AU5639380 A AU 5639380A AU 531424 B2 AU531424 B2 AU 531424B2
Authority
AU
Australia
Prior art keywords
carbo
nitriding
iron
neutral hardening
carburising
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.)
Ceased
Application number
AU56393/80A
Other versions
AU5639380A (en
Inventor
Robert Gwynn Bowes
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.)
Commonwealth Industrial Gases Ltd
Original Assignee
Commonwealth Industrial Gases Ltd
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 Commonwealth Industrial Gases Ltd filed Critical Commonwealth Industrial Gases Ltd
Publication of AU5639380A publication Critical patent/AU5639380A/en
Application granted granted Critical
Publication of AU531424B2 publication Critical patent/AU531424B2/en
Anticipated expiration legal-status Critical
Ceased 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
    • C21D1/76—Adjusting the composition of the atmosphere
    • 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
    • C23C8/30—Carbo-nitriding
    • C23C8/32—Carbo-nitriding of ferrous surfaces

Landscapes

  • 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)
AU56393/80A 1979-03-16 1980-03-12 Gas carburising, carbo-nitriding and neutral hardening of iron Ceased AU531424B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB7909276 1979-03-16
GB7909276A GB2044804A (en) 1979-03-16 1979-03-16 Heat treatment method

Publications (2)

Publication Number Publication Date
AU5639380A AU5639380A (en) 1980-09-18
AU531424B2 true AU531424B2 (en) 1983-08-25

Family

ID=10503914

Family Applications (1)

Application Number Title Priority Date Filing Date
AU56393/80A Ceased AU531424B2 (en) 1979-03-16 1980-03-12 Gas carburising, carbo-nitriding and neutral hardening of iron

Country Status (3)

Country Link
JP (1) JPS55128576A (en)
AU (1) AU531424B2 (en)
GB (1) GB2044804A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU615958B2 (en) * 1987-11-17 1991-10-17 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Process for heat treat,ment under a gaseous containing nitrogen and hydrocarbon

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2527641A1 (en) * 1982-05-28 1983-12-02 Air Liquide PROCESS FOR THERMALLY TREATING METALLIC PARTS THROUGH CARBURATION
DE4340060C1 (en) * 1993-11-24 1995-04-20 Linde Ag Process for gas carburising
DE19514932A1 (en) * 1995-04-22 1996-10-24 Ipsen Ind Int Gmbh Method and device for regulating the CO content of an oven atmosphere for carburizing and carbonitriding metallic workpieces
US9109277B2 (en) * 2011-01-10 2015-08-18 Air Products And Chemicals, Inc. Method and apparatus for heat treating a metal
CN102766743A (en) * 2011-05-06 2012-11-07 贵州汇新科技发展有限公司 Railway freight car brake round pin surface controlled atmosphere heat treatment
CN114481006A (en) * 2020-11-13 2022-05-13 上海汽车变速器有限公司 Carburizing method capable of adjusting nitrogen-methanol atmosphere proportion

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4147563A (en) * 1978-08-09 1979-04-03 The United States Of America As Represented By The United States Department Of Energy Method for forming p-n junctions and solar-cells by laser-beam processing

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU615958B2 (en) * 1987-11-17 1991-10-17 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Process for heat treat,ment under a gaseous containing nitrogen and hydrocarbon

Also Published As

Publication number Publication date
JPS55128576A (en) 1980-10-04
AU5639380A (en) 1980-09-18
GB2044804A (en) 1980-10-22

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