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ZA904677B - Heat treatment of metals - Google Patents

Heat treatment of metals

Info

Publication number
ZA904677B
ZA904677B ZA904677A ZA904677A ZA904677B ZA 904677 B ZA904677 B ZA 904677B ZA 904677 A ZA904677 A ZA 904677A ZA 904677 A ZA904677 A ZA 904677A ZA 904677 B ZA904677 B ZA 904677B
Authority
ZA
South Africa
Prior art keywords
metals
heat treatment
treatment
heat
Prior art date
Application number
ZA904677A
Inventor
Robert Franks
Franks Robert
Paul Francis Stration
Francis Stration Paul
Colin John Precious
John Precious Colin
Original Assignee
Boc Group Plc
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 Boc Group Plc filed Critical Boc Group Plc
Publication of ZA904677B publication Critical patent/ZA904677B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/02—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working in inert or controlled atmosphere or vacuum
    • 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
    • C21D1/26—Methods of annealing
    • 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
    • C21D1/763—Adjusting the composition of the atmosphere using a catalyst

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Catalysts (AREA)
  • Gas Separation By Absorption (AREA)
ZA904677A 1989-06-22 1990-06-15 Heat treatment of metals ZA904677B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB898914366A GB8914366D0 (en) 1989-06-22 1989-06-22 Heat treatment of metals

Publications (1)

Publication Number Publication Date
ZA904677B true ZA904677B (en) 1991-08-28

Family

ID=10658890

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA904677A ZA904677B (en) 1989-06-22 1990-06-15 Heat treatment of metals

Country Status (7)

Country Link
EP (1) EP0404496A1 (en)
JP (1) JPH03166343A (en)
KR (1) KR910001073A (en)
AU (1) AU621230B2 (en)
CA (1) CA2019565A1 (en)
GB (1) GB8914366D0 (en)
ZA (1) ZA904677B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5290480A (en) * 1992-12-22 1994-03-01 Air Products And Chemicals, Inc. Process for producing furnace atmospheres by deoxygenating non-cryogenically generated nitrogen with dissociated ammonia
US5320818A (en) * 1992-12-22 1994-06-14 Air Products And Chemicals, Inc. Deoxygenation of non-cryogenically produced nitrogen with a hydrocarbon
US5284526A (en) * 1992-12-22 1994-02-08 Air Products And Chemicals, Inc. Integrated process for producing atmospheres suitable for heat treating from non-cryogenically generated nitrogen
US5417774A (en) * 1992-12-22 1995-05-23 Air Products And Chemicals, Inc. Heat treating atmospheres
US5401339A (en) * 1994-02-10 1995-03-28 Air Products And Chemicals, Inc. Atmospheres for decarburize annealing steels
KR100432697B1 (en) * 1997-01-31 2004-09-07 동양매직 주식회사 Dish washing machine using heated water to improve hygiene and control method thereof

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3535074A (en) * 1965-10-29 1970-10-20 Hitachi Ltd Method and apparatus for purifying crude inert gases
FR2306936A1 (en) * 1975-04-11 1976-11-05 Azote & Prod Chim METHOD AND DEVICE FOR GENERATING A REDUCING ATMOSPHERE FOR A HEAT TREATMENT PLANT
US4398971A (en) * 1981-12-31 1983-08-16 Aga Aktiebolag Method of heating, holding or heat treatment of metal material
US4701187A (en) * 1986-11-03 1987-10-20 Air Products And Chemicals, Inc. Process for separating components of a gas stream
JPS63310915A (en) * 1987-06-10 1988-12-19 Daido Steel Co Ltd Operating method for continuous type heat treatment furnace
FR2639250B1 (en) * 1988-11-24 1990-12-28 Air Liquide
FR2639252B1 (en) * 1988-11-24 1990-12-28 Air Liquide

Also Published As

Publication number Publication date
JPH03166343A (en) 1991-07-18
AU5759290A (en) 1991-01-03
AU621230B2 (en) 1992-03-05
GB8914366D0 (en) 1989-08-09
CA2019565A1 (en) 1990-12-22
EP0404496A1 (en) 1990-12-27
KR910001073A (en) 1991-01-30

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