GB2076434B - Heat treatment of metals - Google Patents

Heat treatment of metals

Info

Publication number
GB2076434B
GB2076434B GB8113550A GB8113550A GB2076434B GB 2076434 B GB2076434 B GB 2076434B GB 8113550 A GB8113550 A GB 8113550A GB 8113550 A GB8113550 A GB 8113550A GB 2076434 B GB2076434 B GB 2076434B
Authority
GB
United Kingdom
Prior art keywords
metals
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
GB8113550A
Other versions
GB2076434A (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.)
BOC Ltd
Original Assignee
BOC 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 BOC Ltd filed Critical BOC Ltd
Priority to GB8113550A priority Critical patent/GB2076434B/en
Publication of GB2076434A publication Critical patent/GB2076434A/en
Application granted granted Critical
Publication of GB2076434B publication Critical patent/GB2076434B/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
    • C23C8/80—After-treatment
    • 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)
  • 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)
GB8113550A 1980-05-02 1981-05-01 Heat treatment of metals Expired GB2076434B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8113550A GB2076434B (en) 1980-05-02 1981-05-01 Heat treatment of metals

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8014576 1980-05-02
GB8113550A GB2076434B (en) 1980-05-02 1981-05-01 Heat treatment of metals

Publications (2)

Publication Number Publication Date
GB2076434A GB2076434A (en) 1981-12-02
GB2076434B true GB2076434B (en) 1984-06-27

Family

ID=26275391

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8113550A Expired GB2076434B (en) 1980-05-02 1981-05-01 Heat treatment of metals

Country Status (1)

Country Link
GB (1) GB2076434B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115612972A (en) * 2022-09-27 2023-01-17 南京丰东热处理工程有限公司 Steel surface layer thickness controllable nitrogen-containing martensite composite modified layer and process method thereof
CN115572937A (en) * 2022-10-28 2023-01-06 西安理工大学 High-hardness antifriction steel wire ring and preparation method thereof

Also Published As

Publication number Publication date
GB2076434A (en) 1981-12-02

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 20010430