KR19980070837A - 높은 탄소 포텐셜을 갖는 활성 대기하에서 강기초 금속 부품의열처리 방법 - Google Patents

높은 탄소 포텐셜을 갖는 활성 대기하에서 강기초 금속 부품의열처리 방법 Download PDF

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Publication number
KR19980070837A
KR19980070837A KR1019980002279A KR19980002279A KR19980070837A KR 19980070837 A KR19980070837 A KR 19980070837A KR 1019980002279 A KR1019980002279 A KR 1019980002279A KR 19980002279 A KR19980002279 A KR 19980002279A KR 19980070837 A KR19980070837 A KR 19980070837A
Authority
KR
South Korea
Prior art keywords
oxidant
heat treatment
oxygen
atmosphere
reaction
Prior art date
Application number
KR1019980002279A
Other languages
English (en)
Korean (ko)
Inventor
지안루카 포르토
마씨모 벨트라모
Original Assignee
조안엠. 젤사
프랙스에어테크놀로지,인코포레이티드
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 조안엠. 젤사, 프랙스에어테크놀로지,인코포레이티드 filed Critical 조안엠. 젤사
Publication of KR19980070837A publication Critical patent/KR19980070837A/ko

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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
    • C21D1/763—Adjusting the composition of the atmosphere using a catalyst
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Catalysts (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Carbon And Carbon Compounds (AREA)
KR1019980002279A 1997-01-29 1998-01-26 높은 탄소 포텐셜을 갖는 활성 대기하에서 강기초 금속 부품의열처리 방법 KR19980070837A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITTO97A000065 1997-01-29
IT97TO000065A IT1291479B1 (it) 1997-01-29 1997-01-29 Procedimento di trattamento termico di pezzi metallici a base ferrosa in un'atmosfera attiva ad elevato potenziale di carbonio.

Publications (1)

Publication Number Publication Date
KR19980070837A true KR19980070837A (ko) 1998-10-26

Family

ID=11415278

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019980002279A KR19980070837A (ko) 1997-01-29 1998-01-26 높은 탄소 포텐셜을 갖는 활성 대기하에서 강기초 금속 부품의열처리 방법

Country Status (9)

Country Link
EP (1) EP0856587A1 (ja)
JP (1) JPH10298735A (ja)
KR (1) KR19980070837A (ja)
CN (1) CN1197036A (ja)
BR (1) BR9800455A (ja)
CA (1) CA2228074A1 (ja)
ID (1) ID19683A (ja)
IT (1) IT1291479B1 (ja)
PL (1) PL324543A1 (ja)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3620518A (en) * 1967-03-23 1971-11-16 Degussa Process and device for the treatment of surfaces of workpieces in an annealing furnace
GB1598826A (en) * 1977-03-11 1981-09-23 Boc Ltd Heat treatment of metals
DE3630833A1 (de) * 1986-09-10 1988-03-17 Linde Ag Verfahren und vorrichtung zur waermebehandlung metallischer werkstuecke
US5364476A (en) * 1993-11-08 1994-11-15 Surface Combustion, Inc. Industrial variable carbon potential gas generator
US5441581A (en) * 1994-06-06 1995-08-15 Praxair Technology, Inc. Process and apparatus for producing heat treatment atmospheres
DE19545764C2 (de) * 1995-12-07 2000-02-17 Linde Ag Verfahren zur Schutzgaserzeugung für einen Wärmebehandlungsofen und Wärmebehandlungsanlage

Also Published As

Publication number Publication date
IT1291479B1 (it) 1999-01-11
EP0856587A1 (en) 1998-08-05
ID19683A (id) 1998-07-30
CN1197036A (zh) 1998-10-28
PL324543A1 (en) 1998-08-03
BR9800455A (pt) 1999-06-29
JPH10298735A (ja) 1998-11-10
CA2228074A1 (en) 1998-07-29
ITTO970065A1 (it) 1998-07-29

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E601 Decision to refuse application