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GB2000814A - Coating ferrous articles - Google Patents

Coating ferrous articles

Info

Publication number
GB2000814A
GB2000814A GB7828059A GB7828059A GB2000814A GB 2000814 A GB2000814 A GB 2000814A GB 7828059 A GB7828059 A GB 7828059A GB 7828059 A GB7828059 A GB 7828059A GB 2000814 A GB2000814 A GB 2000814A
Authority
GB
United Kingdom
Prior art keywords
metal
ferrous articles
coating ferrous
articles
chromium
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.)
Granted
Application number
GB7828059A
Other versions
GB2000814B (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.)
Toyota Central R&D Labs Inc
Original Assignee
Toyota Central R&D Labs Inc
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 JP8041177A external-priority patent/JPS5416342A/en
Priority claimed from JP9557177A external-priority patent/JPS5429847A/en
Application filed by Toyota Central R&D Labs Inc filed Critical Toyota Central R&D Labs Inc
Publication of GB2000814A publication Critical patent/GB2000814A/en
Application granted granted Critical
Publication of GB2000814B publication Critical patent/GB2000814B/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
    • C23C10/00—Solid state diffusion of only metal elements or silicon into metallic material surfaces
    • C23C10/18—Solid state diffusion of only metal elements or silicon into metallic material surfaces using liquids, e.g. salt baths, liquid suspensions
    • C23C10/26—Solid state diffusion of only metal elements or silicon into metallic material surfaces using liquids, e.g. salt baths, liquid suspensions more than one element being diffused

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemically Coating (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Chemical Treatment Of Metals (AREA)

Abstract

Articles of ferrous alloys containing carbon are coated to improve their resistance and smoothness. They are dipped in a molten bath comprising boric acid or a borate, an oxide of a Group Va metal or chromium, and a Group Va metal or chromium (other than the metal forming the oxide).
GB7828059A 1977-07-07 1978-06-27 Coating ferrous articles Expired GB2000814B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP8041177A JPS5416342A (en) 1977-07-07 1977-07-07 Method of forming composite carbide layer of 5a group elements on steel alloy surface
JP9557177A JPS5429847A (en) 1977-08-11 1977-08-11 Method of forming composite carbide layer of chromium and one or more of 5a group elements on surface of iron alloy

Publications (2)

Publication Number Publication Date
GB2000814A true GB2000814A (en) 1979-01-17
GB2000814B GB2000814B (en) 1982-03-17

Family

ID=26421423

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7828059A Expired GB2000814B (en) 1977-07-07 1978-06-27 Coating ferrous articles

Country Status (5)

Country Link
CA (1) CA1105499A (en)
CH (1) CH639427A5 (en)
DE (1) DE2829976C2 (en)
FR (1) FR2396809A1 (en)
GB (1) GB2000814B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3123871A1 (en) * 1980-06-17 1982-03-11 Hitachi Metals, Ltd., Tokyo METHOD FOR TREATING SURFACES
US4453987A (en) * 1981-04-14 1984-06-12 Kabushiki Kaisha Toyota Chuo Kenkyusho Method for producing edged tools

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59190355A (en) * 1983-04-08 1984-10-29 Toyota Central Res & Dev Lab Inc Method for hardening surface of iron alloy material

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE341795C (en) * 1918-11-07 1921-10-08 Richard Walter Process for the production of metals and alloys containing boron
JPS5137893B2 (en) * 1973-04-12 1976-10-19
JPS519688B2 (en) * 1973-04-12 1976-03-29

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3123871A1 (en) * 1980-06-17 1982-03-11 Hitachi Metals, Ltd., Tokyo METHOD FOR TREATING SURFACES
US4453987A (en) * 1981-04-14 1984-06-12 Kabushiki Kaisha Toyota Chuo Kenkyusho Method for producing edged tools

Also Published As

Publication number Publication date
FR2396809A1 (en) 1979-02-02
DE2829976A1 (en) 1979-01-18
CH639427A5 (en) 1983-11-15
CA1105499A (en) 1981-07-21
FR2396809B1 (en) 1983-08-19
GB2000814B (en) 1982-03-17
DE2829976C2 (en) 1985-06-20

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Legal Events

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

Effective date: 19980626