BE873945A - Procede de frittage de pieces formees a partir de poudre - Google Patents

Procede de frittage de pieces formees a partir de poudre

Info

Publication number
BE873945A
BE873945A BE0/193280A BE193280A BE873945A BE 873945 A BE873945 A BE 873945A BE 0/193280 A BE0/193280 A BE 0/193280A BE 193280 A BE193280 A BE 193280A BE 873945 A BE873945 A BE 873945A
Authority
BE
Belgium
Prior art keywords
sinting
powder
parts shaped
shaped
parts
Prior art date
Application number
BE0/193280A
Other languages
English (en)
French (fr)
Inventor
J Solomon
T Kinneman
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 BE873945A publication Critical patent/BE873945A/xx

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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Tunnel Furnaces (AREA)
  • Powder Metallurgy (AREA)
BE0/193280A 1978-02-06 1979-02-05 Procede de frittage de pieces formees a partir de poudre BE873945A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/875,615 US4139375A (en) 1978-02-06 1978-02-06 Process for sintering powder metal parts

Publications (1)

Publication Number Publication Date
BE873945A true BE873945A (fr) 1979-08-06

Family

ID=25366084

Family Applications (1)

Application Number Title Priority Date Filing Date
BE0/193280A BE873945A (fr) 1978-02-06 1979-02-05 Procede de frittage de pieces formees a partir de poudre

Country Status (12)

Country Link
US (1) US4139375A (de)
KR (1) KR820001808B1 (de)
BE (1) BE873945A (de)
BR (1) BR7900679A (de)
CA (1) CA1114656A (de)
CH (1) CH629131A5 (de)
DE (1) DE2904318C2 (de)
ES (1) ES477462A1 (de)
FR (1) FR2416075A1 (de)
IT (1) IT1114082B (de)
MX (1) MX151113A (de)
NL (1) NL7900904A (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4359351A (en) * 1979-10-23 1982-11-16 Air Products And Chemicals, Inc. Protective atmosphere process for annealing and or spheroidizing ferrous metals
US4285742A (en) * 1979-11-29 1981-08-25 Boc Limited Heat treatment method
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
US4655853A (en) * 1982-08-09 1987-04-07 Federal-Mogul Corporation Method for making powder metal forging preforms of high-strength ferrous-base alloys
US4450017A (en) * 1982-10-21 1984-05-22 Air Products And Chemicals, Inc. Gaseous decarburizing mixtures of hydrogen, carbon dioxide and a carrier gas
FR2598641B1 (fr) * 1986-05-16 1988-08-26 Air Liquide Procede de frittage dans un four continu de materiau en poudre
DE3808146A1 (de) * 1988-03-11 1989-09-21 Messer Griesheim Gmbh Verfahren zur herstellung eines schutzgases fuer die waermebehandlung von eisen und nichteisenmetallen
FR2649124A1 (fr) * 1989-07-03 1991-01-04 Air Liquide Procede de traitement thermique de metaux sous atmosphere
DE4104982A1 (de) * 1991-02-19 1992-08-20 Linde Ag Durchlaufwaermebehandlungsanlage mit spezieller schutzgasabsaugung
US5334341A (en) * 1992-05-27 1994-08-02 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Process for controlling carbon content of injection molding steels during debinding
US5613185A (en) * 1995-06-01 1997-03-18 Air Products And Chemicals, Inc. Atmospheres for extending life of wire mesh belts used in sintering powder metal components
US6533996B2 (en) * 2001-02-02 2003-03-18 The Boc Group, Inc. Method and apparatus for metal processing
US8986605B2 (en) * 2009-12-21 2015-03-24 Air Products And Chemicals, Inc. Method and atmosphere for extending belt life in sintering furnace
EP2487442A1 (de) * 2011-02-10 2012-08-15 Linde Aktiengesellschaft Ofenatmosphärengenerator
EP3042967A1 (de) * 2015-01-08 2016-07-13 Linde Aktiengesellschaft Gasmischung und Verfahren zur Steuerung des Kohlenstoffpotenzials einer Ofenatmosphäre

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2333573A (en) * 1942-02-12 1943-11-02 Westinghouse Electric & Mfg Co Process of making steel
US2673821A (en) * 1950-11-18 1954-03-30 Midwest Research Inst Heat treatment of steel in a protective atmosphere
US4028100A (en) * 1973-05-17 1977-06-07 Chrysler Corporation Heat treating atmospheres
US3891473A (en) * 1973-05-17 1975-06-24 Chrysler Corp Heat treating atmospheres

Also Published As

Publication number Publication date
US4139375A (en) 1979-02-13
FR2416075B1 (de) 1984-04-06
KR820001808B1 (ko) 1982-10-12
BR7900679A (pt) 1979-09-04
ES477462A1 (es) 1979-10-16
MX151113A (es) 1984-10-03
IT7947890A0 (it) 1979-02-05
NL7900904A (nl) 1979-08-08
CH629131A5 (fr) 1982-04-15
IT1114082B (it) 1986-01-27
DE2904318C2 (de) 1983-10-27
FR2416075A1 (fr) 1979-08-31
CA1114656A (en) 1981-12-22
DE2904318A1 (de) 1979-08-09

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: UNION CARBIDE CORP.

Effective date: 19930228