JPS5089205A - - Google Patents

Info

Publication number
JPS5089205A
JPS5089205A JP48137372A JP13737273A JPS5089205A JP S5089205 A JPS5089205 A JP S5089205A JP 48137372 A JP48137372 A JP 48137372A JP 13737273 A JP13737273 A JP 13737273A JP S5089205 A JPS5089205 A JP S5089205A
Authority
JP
Japan
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.)
Pending
Application number
JP48137372A
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 filed Critical
Priority to JP48137372A priority Critical patent/JPS5089205A/ja
Priority to IT54422/74A priority patent/IT1024365B/it
Priority to SE7415483A priority patent/SE7415483L/xx
Priority to FR7440801A priority patent/FR2253834A1/fr
Priority to DE19742458623 priority patent/DE2458623C3/de
Publication of JPS5089205A publication Critical patent/JPS5089205A/ja
Priority to US05/693,621 priority patent/US4050960A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • C21D3/08—Extraction of nitrogen
    • 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
    • C22C33/0235—Starting from compounds, e.g. oxides
    • 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
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/02—Making metallic powder or suspensions thereof using physical processes
    • B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
    • B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
    • B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
    • B22F2009/0824—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid with a specific atomising fluid
    • B22F2009/0828—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid with a specific atomising fluid with water
    • 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)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Thermal Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Powder Metallurgy (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
JP48137372A 1973-12-11 1973-12-11 Pending JPS5089205A (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP48137372A JPS5089205A (ja) 1973-12-11 1973-12-11
IT54422/74A IT1024365B (it) 1973-12-11 1974-12-09 Metodo per produrre ferro cromo a basso tenore in carbonic ed azoto
SE7415483A SE7415483L (ja) 1973-12-11 1974-12-10
FR7440801A FR2253834A1 (en) 1973-12-11 1974-12-11 Reducing carbon and nitrogen content of ferro-chromium - process using surface oxidn. of shot followed by redn. in hydrogen
DE19742458623 DE2458623C3 (de) 1973-12-11 1974-12-11 Verfahren zum Verringern des Gehalts an Kohlenstoff und Stickstoff in Ferrochromlegierungen
US05/693,621 US4050960A (en) 1973-12-11 1976-06-07 Method for decreasing the amount of carbon and nitrogen contained in the ferrochrome alloy

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP48137372A JPS5089205A (ja) 1973-12-11 1973-12-11

Publications (1)

Publication Number Publication Date
JPS5089205A true JPS5089205A (ja) 1975-07-17

Family

ID=15197132

Family Applications (1)

Application Number Title Priority Date Filing Date
JP48137372A Pending JPS5089205A (ja) 1973-12-11 1973-12-11

Country Status (4)

Country Link
JP (1) JPS5089205A (ja)
FR (1) FR2253834A1 (ja)
IT (1) IT1024365B (ja)
SE (1) SE7415483L (ja)

Also Published As

Publication number Publication date
DE2458623B2 (de) 1976-06-24
IT1024365B (it) 1978-06-20
FR2253834A1 (en) 1975-07-04
SE7415483L (ja) 1975-06-12
DE2458623A1 (de) 1975-06-26

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