SE7514523L - Sett vid upphettning av presskroppar tillverkade av stalpulver. - Google Patents

Sett vid upphettning av presskroppar tillverkade av stalpulver.

Info

Publication number
SE7514523L
SE7514523L SE7514523A SE7514523A SE7514523L SE 7514523 L SE7514523 L SE 7514523L SE 7514523 A SE7514523 A SE 7514523A SE 7514523 A SE7514523 A SE 7514523A SE 7514523 L SE7514523 L SE 7514523L
Authority
SE
Sweden
Prior art keywords
see
steel powder
bodies made
pressing bodies
pressing
Prior art date
Application number
SE7514523A
Other languages
English (en)
Inventor
K Ogata
S Furuta
Original Assignee
Kobe Steel 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.)
Filing date
Publication date
Application filed by Kobe Steel Ltd filed Critical Kobe Steel Ltd
Publication of SE7514523L publication Critical patent/SE7514523L/sv

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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
    • C21D1/76—Adjusting the composition of the atmosphere
    • 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
    • B22F3/10—Sintering only
    • B22F3/1003—Use of special medium during sintering, e.g. sintering aid
    • B22F3/1007—Atmosphere
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Powder Metallurgy (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
SE7514523A 1974-12-28 1975-12-22 Sett vid upphettning av presskroppar tillverkade av stalpulver. SE7514523L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50003942A JPS5178714A (en) 1974-12-28 1974-12-28 Kofunmatsutaino kanetsuhoho

Publications (1)

Publication Number Publication Date
SE7514523L true SE7514523L (sv) 1976-06-29

Family

ID=11571168

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7514523A SE7514523L (sv) 1974-12-28 1975-12-22 Sett vid upphettning av presskroppar tillverkade av stalpulver.

Country Status (6)

Country Link
US (1) US4153485A (sv)
JP (1) JPS5178714A (sv)
DE (1) DE2558156A1 (sv)
FR (1) FR2296016A1 (sv)
GB (1) GB1532438A (sv)
SE (1) SE7514523L (sv)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1575342A (en) * 1977-04-27 1980-09-17 Air Prod & Chem Production of furnace atmospheres for the heat treatment of ferrous metals
DE2802445C3 (de) * 1977-11-15 1981-02-05 British Steel Corp., London Verfahren zur kontinuierlichen Herstellung eines Stahlbandes aus Stahlpulver
US4436696A (en) * 1981-05-20 1984-03-13 Air Products And Chemicals, Inc. Process for providing a uniform carbon distribution in ferrous compacts at high temperatures
US4398971A (en) * 1981-12-31 1983-08-16 Aga Aktiebolag Method of heating, holding or heat treatment of metal material
US4579713A (en) * 1985-04-25 1986-04-01 Ultra-Temp Corporation Method for carbon control of carbide preforms
JPH05271713A (ja) * 1992-01-27 1993-10-19 Ngk Insulators Ltd 易酸化性元素を成分に含む合金の焼成方法
AU3154793A (en) * 1992-12-21 1994-07-19 Stackpole Limited As sintered coining process
SE9701976D0 (sv) 1997-05-27 1997-05-27 Hoeganaes Ab Method of monitoring and controlling the composition of the sintering atmosphere
US5947722A (en) * 1997-07-07 1999-09-07 Iap Research, Inc. Heat exchanger for particulate material
GB2492054A (en) * 2011-06-13 2012-12-26 Charles Malcolm Ward-Close Adding or removing solute from a metal workpiece and then further processing
CN108817107B (zh) * 2018-06-21 2019-10-25 武汉钢铁有限公司 一种弹簧钢防脱碳的加热及判别方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2342799A (en) * 1940-11-08 1944-02-29 American Electro Metal Corp Process of manufacturing shaped bodies from iron powders
US2333573A (en) * 1942-02-12 1943-11-02 Westinghouse Electric & Mfg Co Process of making steel
US2489839A (en) * 1946-04-30 1949-11-29 Isthmian Metals Inc Process for carburizing compacted iron articles
US2886478A (en) * 1953-06-29 1959-05-12 Honeywell Regulator Co Method and control apparatus for carburizing ferrous objects
US2914434A (en) * 1956-04-11 1959-11-24 Harold L Snavely Method for controlling atmospheres while heat treating steel
US2992147A (en) * 1957-04-29 1961-07-11 Carl I Hayes Method of heat treatment using dual atmospheres
US3144329A (en) * 1960-09-06 1964-08-11 Trafik Ab Method for producing rolled steel products
US3109735A (en) * 1961-10-30 1963-11-05 John M Googin Sintering method
DE1433735B1 (de) * 1963-09-21 1969-09-04 Werner Goehring Verfahren zur Erzielung einer Ofenatmosphaere,mit der eine oxydationsfreie Waermebehandlung von Werkstuecken aus Stahl unter gleichzeitiger Beeinflussung des Kohlenstoffgehalts durchfuehrbar ist
US3663315A (en) * 1969-03-26 1972-05-16 Union Carbide Corp Gas carburization and carbonitriding
SE366673C (sv) * 1972-06-12 1984-03-29 Asea Ab Forfarande for framstellning av snabbstal med utgangspunkt fran metallpulver
US3891473A (en) * 1973-05-17 1975-06-24 Chrysler Corp Heat treating atmospheres

Also Published As

Publication number Publication date
US4153485A (en) 1979-05-08
JPS5551001B2 (sv) 1980-12-22
FR2296016A1 (fr) 1976-07-23
GB1532438A (en) 1978-11-15
JPS5178714A (en) 1976-07-08
FR2296016B1 (sv) 1979-02-02
DE2558156A1 (de) 1976-11-18

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