GB1308959A - Case hardening - Google Patents

Case hardening

Info

Publication number
GB1308959A
GB1308959A GB1463870A GB1463870A GB1308959A GB 1308959 A GB1308959 A GB 1308959A GB 1463870 A GB1463870 A GB 1463870A GB 1463870 A GB1463870 A GB 1463870A GB 1308959 A GB1308959 A GB 1308959A
Authority
GB
United Kingdom
Prior art keywords
inhibitor
atmosphere
article
carbonitriding
march
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
Application number
GB1463870A
Other languages
English (en)
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.)
Union Carbide Corp
Original Assignee
Union Carbide Corp
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 Union Carbide Corp filed Critical Union Carbide Corp
Publication of GB1308959A publication Critical patent/GB1308959A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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

Landscapes

  • 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)
GB1463870A 1969-03-26 1970-03-26 Case hardening Expired GB1308959A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US81080569A 1969-03-26 1969-03-26

Publications (1)

Publication Number Publication Date
GB1308959A true GB1308959A (en) 1973-03-07

Family

ID=25204746

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1463870A Expired GB1308959A (en) 1969-03-26 1970-03-26 Case hardening

Country Status (5)

Country Link
US (1) US3663315A (enExample)
JP (1) JPS4924327B1 (enExample)
BR (1) BR7017741D0 (enExample)
FR (1) FR2040026A5 (enExample)
GB (1) GB1308959A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5022726A (enExample) * 1973-07-02 1975-03-11

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2163476A1 (de) * 1971-12-21 1973-07-12 Jenaer Glaswerk Schott & Gen Verfahren zur erhoehung der mechanischen festigkeit von glas-metall-verschmelzungen durch aufkohlen von eisen und eisenlegierungen
GB1471880A (en) * 1973-10-26 1977-04-27 Air Prod & Chem Furnace atmosphere for the heat treatment of ferrous metal
FR2288785A2 (fr) * 1974-10-21 1976-05-21 Air Liquide Procede de traitement thermique de l'acier et de controle dudit traitement
JPS5178714A (en) * 1974-12-28 1976-07-08 Kobe Steel Ltd Kofunmatsutaino kanetsuhoho
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
US4415379A (en) * 1981-09-15 1983-11-15 The Boc Group, Inc. Heat treatment processes
US4547228A (en) * 1983-05-26 1985-10-15 Procedyne Corp. Surface treatment of metals
US4776901A (en) * 1987-03-30 1988-10-11 Teledyne Industries, Inc. Nitrocarburizing and nitriding process for hardening ferrous surfaces
DE10003526A1 (de) * 2000-01-27 2001-08-09 Messer Griesheim Gmbh Frankfur Verfahren zum Karbonitrieren von kohlenstoffreichen und hochlegierten Stählen
RU2235146C2 (ru) * 2002-02-26 2004-08-27 ОАО "Тульский проектно-конструкторский технологический институт машиностроения" Способ получения изделий из металлов и сплавов, имеющих слоистую структуру, обусловленную контрастными концентрациями легирующих элементов, например, углерода и азота, внедряемых в металл методом химико-термической обработки
GB2492054A (en) * 2011-06-13 2012-12-26 Charles Malcolm Ward-Close Adding or removing solute from a metal workpiece and then further processing

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US246861A (en) * 1881-09-13 Paul atjbe
US1848958A (en) * 1932-03-08 Generated in the habdening pttbnace
US1958575A (en) * 1930-06-02 1934-05-15 Nitralloy Corp Process for hardening iron, steel, and cast iron alloys by nitriding
US1932032A (en) * 1932-01-28 1933-10-24 Surface Combustion Corp Continuous carburizing process
US2089545A (en) * 1935-07-12 1937-08-10 John A Dow Method of producing gas for the carburization of steel
US2240146A (en) * 1938-10-06 1941-04-29 Harold J Ness Carburizing ferrous metals
GB573085A (en) * 1943-10-20 1945-11-06 Birmingham Electr Furnaces Ltd Improvements in the production of gaseous atmospheres for the cementation of iron and steel

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5022726A (enExample) * 1973-07-02 1975-03-11

Also Published As

Publication number Publication date
US3663315A (en) 1972-05-16
JPS4924327B1 (enExample) 1974-06-21
DE2013827B2 (de) 1975-09-04
DE2013827A1 (de) 1970-10-08
FR2040026A5 (enExample) 1971-01-15
BR7017741D0 (pt) 1973-04-26

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee