FR94664E - Process of heat treatment of steel. - Google Patents

Process of heat treatment of steel.

Info

Publication number
FR94664E
FR94664E FR149648A FR149648A FR94664E FR 94664 E FR94664 E FR 94664E FR 149648 A FR149648 A FR 149648A FR 149648 A FR149648 A FR 149648A FR 94664 E FR94664 E FR 94664E
Authority
FR
France
Prior art keywords
steel
heat treatment
treatment
heat
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
FR149648A
Other languages
French (fr)
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries 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
Priority claimed from GB1965867A external-priority patent/GB1185640A/en
Application filed by Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Application granted granted Critical
Publication of FR94664E publication Critical patent/FR94664E/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
    • C23C8/02—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
    • C23C8/40—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
    • C23C8/52—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 more than one element being applied in one step
    • C23C8/54—Carbo-nitriding
FR149648A 1966-12-21 1968-04-26 Process of heat treatment of steel. Expired FR94664E (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GB5712166 1966-12-21
GB1965867A GB1185640A (en) 1966-12-21 1966-12-21 Process for Casehardening Steels
GB198767 1967-01-13
GB09659/67A GB1191122A (en) 1966-12-21 1967-04-28 Heat-Treatment of Iron and Steel
GB1965767 1967-04-28

Publications (1)

Publication Number Publication Date
FR94664E true FR94664E (en) 1969-10-03

Family

ID=10133049

Family Applications (1)

Application Number Title Priority Date Filing Date
FR149648A Expired FR94664E (en) 1966-12-21 1968-04-26 Process of heat treatment of steel.

Country Status (7)

Country Link
US (1) US3615908A (en)
BE (1) BE714333A (en)
DE (1) DE1758208A1 (en)
ES (1) ES353267A2 (en)
FR (1) FR94664E (en)
GB (1) GB1191122A (en)
NL (1) NL6805948A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1340917A (en) * 1971-03-31 1973-12-19 Lucas Industries Ltd Nitriding alloy steel parts in a fused salt bath
JPS57171624A (en) * 1981-04-14 1982-10-22 Toyota Central Res & Dev Lab Inc Production of cutlery
FR2863629B1 (en) * 2003-12-12 2006-12-08 Etudes Const Mecaniques METHOD AND DEVICE FOR CHEMICAL CHEMICAL PROCESSING OF MECHANICAL PARTS
CN111763808A (en) * 2020-07-13 2020-10-13 扬州大学 Novel quenching-partitioning-isothermal heat treatment process for gradient microstructure on surface of nodular cast iron product and improvement of wear resistance
CN114962460A (en) 2021-02-25 2022-08-30 斯凯孚公司 Heat treated roller bearing ring

Also Published As

Publication number Publication date
DE1758208A1 (en) 1971-01-28
US3615908A (en) 1971-10-26
BE714333A (en) 1968-10-28
GB1191122A (en) 1970-05-06
NL6805948A (en) 1968-10-29
ES353267A2 (en) 1969-10-01

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