NO119182B - - Google Patents

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Publication number
NO119182B
NO119182B NO170224A NO17022467A NO119182B NO 119182 B NO119182 B NO 119182B NO 170224 A NO170224 A NO 170224A NO 17022467 A NO17022467 A NO 17022467A NO 119182 B NO119182 B NO 119182B
Authority
NO
Norway
Prior art keywords
ferrochrome
product
polishing
carbon content
particle size
Prior art date
Application number
NO170224A
Other languages
English (en)
Norwegian (no)
Inventor
E Knight
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.)
Filing date
Publication date
Application filed by Union Carbide Corp filed Critical Union Carbide Corp
Publication of NO119182B publication Critical patent/NO119182B/no

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 pre-alloyed 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)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Carbon And Carbon Compounds (AREA)
NO170224A 1966-11-01 1967-10-21 NO119182B (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
NO119182B true NO119182B (fr) 1970-04-06

Family

ID=24365418

Family Applications (1)

Application Number Title Priority Date Filing Date
NO170224A NO119182B (fr) 1966-11-01 1967-10-21

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

Also Published As

Publication number Publication date
GB1196649A (en) 1970-07-01
US3459542A (en) 1969-08-05
SE312819B (fr) 1969-07-28
CH476849A (fr) 1969-08-15
ES346602A1 (es) 1968-12-16

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