CH476849A - Procédé de décarburation de ferrochrome - Google Patents

Procédé de décarburation de ferrochrome

Info

Publication number: CH476849A
Authority: CH; Switzerland
Prior art keywords: ferrochrome; decarburization process; decarburization; ferrochrome decarburization
Prior art date: 1966-11-01

Application number

CH1409767A

Other languages

English (en)

Inventor

Oldham Knight Ernest

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.)

1966-11-01

Filing date

1967-10-10

Publication date

1969-08-15

1967-10-10 Application filed by Union Carbide Corp filed Critical Union Carbide Corp

1969-08-15 Publication of CH476849A publication Critical patent/CH476849A/fr

Links

229910000604 Ferrochrome Inorganic materials 0.000 title 1
238000005261 decarburization Methods 0.000 title 1
238000000034 method Methods 0.000 title 1

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/23—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces involving a self-propagating high-temperature synthesis or reaction sintering step
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/14—Treatment of metallic powder
- B22F1/145—Chemical treatment, e.g. passivation or decarburisation
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D3/00—Diffusion processes for extraction of non-metals; Furnaces therefor
- C21D3/02—Extraction of non-metals
- C21D3/04—Decarburising
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/02—Making ferrous alloys by powder metallurgy
- C22C33/0207—Using a mixture of prealloyed powders or a master alloy
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Organic Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
Materials Engineering (AREA)
Metallurgy (AREA)
Manufacturing & Machinery (AREA)
General Chemical & Material Sciences (AREA)
Physics & Mathematics (AREA)
Thermal Sciences (AREA)
Crystallography & Structural Chemistry (AREA)
Manufacture And Refinement Of Metals (AREA)
Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Treatment Of Steel In Its Molten State (AREA)
Carbon And Carbon Compounds (AREA)

CH1409767A 1966-11-01 1967-10-10 Procédé de décarburation de ferrochrome CH476849A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US59118466A	1966-11-01	1966-11-01

Publications (1)

Publication Number	Publication Date
CH476849A true CH476849A (fr)	1969-08-15

Family

ID=24365418

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH1409767A CH476849A (fr)	1966-11-01	1967-10-10	Procédé de décarburation de ferrochrome

Country Status (6)

Country	Link
US (1)	US3459542A (fr)
CH (1)	CH476849A (fr)
ES (1)	ES346602A1 (fr)
GB (1)	GB1196649A (fr)
NO (1)	NO119182B (fr)
SE (1)	SE312819B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3635699A (en) *	1969-12-22	1972-01-18	Union Carbide Corp	Method of producing sized particles of low-carbon ferrochromium

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2030200A (en) *	1934-03-30	1936-02-11	Rca Corp	Ceramic object and method of making the same
US2473020A (en) *	1948-04-13	1949-06-14	Union Carbide & Carbon Corp	Ferrochromium
US2473019A (en) *	1948-04-13	1949-06-14	Union Carbide & Carbon Corp	Production of ferrochromium
US2473021A (en) *	1948-05-26	1949-06-14	Union Carbide & Carbon Corp	Production of low carbon ferrochromium

1966
- 1966-11-01 US US591184A patent/US3459542A/en not_active Expired - Lifetime
1967
- 1967-10-04 GB GB45166/67A patent/GB1196649A/en not_active Expired
- 1967-10-10 CH CH1409767A patent/CH476849A/fr not_active IP Right Cessation
- 1967-10-21 NO NO170224A patent/NO119182B/no unknown
- 1967-10-31 ES ES346602A patent/ES346602A1/es not_active Expired
- 1967-10-31 SE SE14935/67A patent/SE312819B/xx unknown

Also Published As

Publication number	Publication date
GB1196649A (en)	1970-07-01
SE312819B (fr)	1969-07-28
ES346602A1 (es)	1968-12-16
US3459542A (en)	1969-08-05
NO119182B (fr)	1970-04-06

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Legal Events

Date	Code	Title	Description
1972-05-15	PL	Patent ceased