IT1291479B1 - Procedimento di trattamento termico di pezzi metallici a base ferrosa in un'atmosfera attiva ad elevato potenziale di carbonio. - Google Patents

Procedimento di trattamento termico di pezzi metallici a base ferrosa in un'atmosfera attiva ad elevato potenziale di carbonio.

Info

Publication number
IT1291479B1
IT1291479B1 IT97TO000065A ITTO970065A IT1291479B1 IT 1291479 B1 IT1291479 B1 IT 1291479B1 IT 97TO000065 A IT97TO000065 A IT 97TO000065A IT TO970065 A ITTO970065 A IT TO970065A IT 1291479 B1 IT1291479 B1 IT 1291479B1
Authority
IT
Italy
Prior art keywords
heat treatment
high carbon
carbon potential
metallic pieces
ferrous base
Prior art date
Application number
IT97TO000065A
Other languages
English (en)
Inventor
Gianluca Porto
Massimo Beltramo
Original Assignee
Rivoira Spa
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 Rivoira Spa filed Critical Rivoira Spa
Priority to IT97TO000065A priority Critical patent/IT1291479B1/it
Priority to EP98100929A priority patent/EP0856587A1/en
Priority to IDP980078A priority patent/ID19683A/id
Priority to JP10025196A priority patent/JPH10298735A/ja
Priority to KR1019980002279A priority patent/KR19980070837A/ko
Priority to BR9800455A priority patent/BR9800455A/pt
Priority to CN98105957A priority patent/CN1197036A/zh
Priority to PL98324543A priority patent/PL324543A1/xx
Priority to CA002228074A priority patent/CA2228074A1/en
Publication of ITTO970065A1 publication Critical patent/ITTO970065A1/it
Application granted granted Critical
Publication of IT1291479B1 publication Critical patent/IT1291479B1/it

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
    • 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)
IT97TO000065A 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. IT1291479B1 (it)

Priority Applications (9)

Application Number Priority Date Filing Date Title
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.
EP98100929A EP0856587A1 (en) 1997-01-29 1998-01-21 Process for the heat treatment of iron-based metal parts in an active atmosphere with a high potential of carbon
IDP980078A ID19683A (id) 1997-01-29 1998-01-22 Pengolahan pada pekerjaan kalor atas bagian-bagian logam berdasar zat besi dalam keadaan aktif dengan suatu kandungan karbon tinggi
JP10025196A JPH10298735A (ja) 1997-01-29 1998-01-23 潜在的に高炭素濃度の活性ガス体中における鉄系金属部品の熱処理方法
KR1019980002279A KR19980070837A (ko) 1997-01-29 1998-01-26 높은 탄소 포텐셜을 갖는 활성 대기하에서 강기초 금속 부품의열처리 방법
BR9800455A BR9800455A (pt) 1997-01-29 1998-01-26 Processo para tratamento térmico de peças à base de ferro dentro de uma atmosfera ativa possuindo um elevado potencial de carbono
CN98105957A CN1197036A (zh) 1997-01-29 1998-01-27 在高碳势活性气氛中热处理铁基金属零件的方法
PL98324543A PL324543A1 (en) 1997-01-29 1998-01-28 Method of thermally treating iron alloy workpieces in an active atmosphere of high-carbon potential
CA002228074A CA2228074A1 (en) 1997-01-29 1998-01-28 Process for the heat treatment of iron-based metal parts in an active atmosphere with a high potential of carbon

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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 (2)

Publication Number Publication Date
ITTO970065A1 ITTO970065A1 (it) 1998-07-29
IT1291479B1 true IT1291479B1 (it) 1999-01-11

Family

ID=11415278

Family Applications (1)

Application Number Title Priority Date Filing Date
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.

Country Status (9)

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

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
EP0856587A1 (en) 1998-08-05
KR19980070837A (ko) 1998-10-26
ITTO970065A1 (it) 1998-07-29
ID19683A (id) 1998-07-30
JPH10298735A (ja) 1998-11-10
BR9800455A (pt) 1999-06-29
CA2228074A1 (en) 1998-07-29
CN1197036A (zh) 1998-10-28
PL324543A1 (en) 1998-08-03

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Legal Events

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0001 Granted