FR944125A - Procédé et atmosphères de cémentation - Google Patents

Procédé et atmosphères de cémentation

Info

Publication number: FR944125A
Authority: FR; France
Prior art keywords: atmospheres; cementation process; cementation
Prior art date: 1946-03-29
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

Other languages

English (en)

Inventor

Frederick Wardle Haywood

Douglas Stuart Laidler

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.)

Wild Barfield Electric Furnaces Ltd

Original Assignee

Wild Barfield Electric Furnaces 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.)

1946-03-29

Filing date

1947-03-28

Publication date

1949-03-28

1947-03-28 Application filed by Wild Barfield Electric Furnaces Ltd filed Critical Wild Barfield Electric Furnaces Ltd

1949-03-28 Application granted granted Critical

1949-03-28 Publication of FR944125A publication Critical patent/FR944125A/fr

Status Expired legal-status Critical Current

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

Landscapes

Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Mechanical Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)

FR944125D 1946-03-29 1947-03-28 Procédé et atmosphères de cémentation Expired FR944125A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB944125X		1946-03-29

Publications (1)

Publication Number	Publication Date
FR944125A true FR944125A (fr)	1949-03-28

Family

ID=10766968

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR944125D Expired FR944125A (fr)	1946-03-29	1947-03-28	Procédé et atmosphères de cémentation

Country Status (1)

Country	Link
FR (1)	FR944125A (fr)

1947
- 1947-03-28 FR FR944125D patent/FR944125A/fr not_active Expired

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