CH476849A - Procédé de décarburation de ferrochrome - Google Patents
Procédé de décarburation de ferrochromeInfo
- Publication number
- CH476849A CH476849A CH1409767A CH1409767A CH476849A CH 476849 A CH476849 A CH 476849A CH 1409767 A CH1409767 A CH 1409767A CH 1409767 A CH1409767 A CH 1409767A CH 476849 A CH476849 A CH 476849A
- Authority
- CH
- Switzerland
- Prior art keywords
- ferrochrome
- decarburization process
- decarburization
- ferrochrome decarburization
- Prior art date
Links
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)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Carbon And Carbon Compounds (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Treatment Of Steel In Its Molten State (AREA)
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)
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)
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 SE SE14935/67A patent/SE312819B/xx unknown
- 1967-10-31 ES ES346602A patent/ES346602A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NO119182B (fr) | 1970-04-06 |
US3459542A (en) | 1969-08-05 |
GB1196649A (en) | 1970-07-01 |
ES346602A1 (es) | 1968-12-16 |
SE312819B (fr) | 1969-07-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |