SE466755B - Foerfarande foer uppkolning av staal med reducering av vaetehalten i uppkolningsskiktet - Google Patents

Foerfarande foer uppkolning av staal med reducering av vaetehalten i uppkolningsskiktet

Info

Publication number
SE466755B
SE466755B SE8902365A SE8902365A SE466755B SE 466755 B SE466755 B SE 466755B SE 8902365 A SE8902365 A SE 8902365A SE 8902365 A SE8902365 A SE 8902365A SE 466755 B SE466755 B SE 466755B
Authority
SE
Sweden
Prior art keywords
hydrogen
steel
atmosphere
cooling
nitrogen
Prior art date
Application number
SE8902365A
Other languages
English (en)
Swedish (sv)
Other versions
SE8902365D0 (sv
SE8902365L (sv
Inventor
T Holm
Original Assignee
Aga Ab
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 Aga Ab filed Critical Aga Ab
Priority to SE8902365A priority Critical patent/SE466755B/sv
Publication of SE8902365D0 publication Critical patent/SE8902365D0/xx
Priority to EP90910972A priority patent/EP0479886A1/fr
Priority to US07/781,146 priority patent/US5194096A/en
Priority to PCT/SE1990/000409 priority patent/WO1991000367A1/fr
Priority to BR909007465A priority patent/BR9007465A/pt
Publication of SE8902365L publication Critical patent/SE8902365L/
Publication of SE466755B publication Critical patent/SE466755B/sv

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
    • C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
    • C23C8/20—Carburising
    • C23C8/22—Carburising of ferrous surfaces
    • 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
    • C21D3/06—Extraction of hydrogen

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)
  • Chemical Kinetics & Catalysis (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
SE8902365A 1989-06-30 1989-06-30 Foerfarande foer uppkolning av staal med reducering av vaetehalten i uppkolningsskiktet SE466755B (sv)

Priority Applications (5)

Application Number Priority Date Filing Date Title
SE8902365A SE466755B (sv) 1989-06-30 1989-06-30 Foerfarande foer uppkolning av staal med reducering av vaetehalten i uppkolningsskiktet
EP90910972A EP0479886A1 (fr) 1989-06-30 1990-06-13 Traitement de cementation d'un acier avec reduction de la teneur en hydrogene dans la couche cementee
US07/781,146 US5194096A (en) 1989-06-30 1990-06-13 Carburizing treatment of a steel with reduction of the hydrogen content in the carburized layer
PCT/SE1990/000409 WO1991000367A1 (fr) 1989-06-30 1990-06-13 Traitement de cementation d'un acier avec reduction de la teneur en hydrogene dans la couche cementee
BR909007465A BR9007465A (pt) 1989-06-30 1990-06-13 Tratamento carburizante de um aco com reducao do teor de hidrogenio na camada carburizada

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8902365A SE466755B (sv) 1989-06-30 1989-06-30 Foerfarande foer uppkolning av staal med reducering av vaetehalten i uppkolningsskiktet

Publications (3)

Publication Number Publication Date
SE8902365D0 SE8902365D0 (sv) 1989-06-30
SE8902365L SE8902365L (sv) 1990-12-31
SE466755B true SE466755B (sv) 1992-03-30

Family

ID=20376439

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8902365A SE466755B (sv) 1989-06-30 1989-06-30 Foerfarande foer uppkolning av staal med reducering av vaetehalten i uppkolningsskiktet

Country Status (5)

Country Link
US (1) US5194096A (fr)
EP (1) EP0479886A1 (fr)
BR (1) BR9007465A (fr)
SE (1) SE466755B (fr)
WO (1) WO1991000367A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4400391A1 (de) * 1994-01-08 1995-07-13 Messer Griesheim Gmbh Verfahren zur Vermeidung von Randoxidation beim Aufkohlen von Stählen
KR100436174B1 (ko) * 2001-05-07 2004-06-12 인성파우더 테크(주) 중공구 형상의 입자를 함유하는 합성섬유

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2279716A (en) * 1938-09-08 1942-04-14 Bethlehem Steel Corp Rail treatment
US3595711A (en) * 1969-06-09 1971-07-27 Ford Motor Co Antifriction bearing component manufacture
US3737204A (en) * 1971-11-30 1973-06-05 Fmc Corp Extended life bearing
CH632013A5 (de) * 1977-09-22 1982-09-15 Ipsen Ind Int Gmbh Verfahren zur gasaufkohlung von werkstuecken aus stahl.
JPS593767B2 (ja) * 1979-06-21 1984-01-26 株式会社日立製作所 自動搬送方式
US4306918A (en) * 1980-04-22 1981-12-22 Air Products And Chemicals, Inc. Process for carburizing ferrous metals
US4597807A (en) * 1984-11-13 1986-07-01 Air Products And Chemicals, Inc. Accelerated carburizing method with discrete atmospheres
DE3800838C1 (fr) * 1988-01-14 1989-09-14 Skf Gmbh, 8720 Schweinfurt, De

Also Published As

Publication number Publication date
BR9007465A (pt) 1992-05-19
WO1991000367A1 (fr) 1991-01-10
US5194096A (en) 1993-03-16
EP0479886A1 (fr) 1992-04-15
SE8902365D0 (sv) 1989-06-30
SE8902365L (sv) 1990-12-31

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