BR8008362A - Processo para a recarburacao regulavel,ou aquecimento em gas protetor de pecas de aco - Google Patents

Processo para a recarburacao regulavel,ou aquecimento em gas protetor de pecas de aco

Info

Publication number
BR8008362A
BR8008362A BR8008362A BR8008362A BR8008362A BR 8008362 A BR8008362 A BR 8008362A BR 8008362 A BR8008362 A BR 8008362A BR 8008362 A BR8008362 A BR 8008362A BR 8008362 A BR8008362 A BR 8008362A
Authority
BR
Brazil
Prior art keywords
heating
steel pieces
gas protector
adjustable recharging
pieces gas
Prior art date
Application number
BR8008362A
Other languages
English (en)
Portuguese (pt)
Inventor
U Wyss
Original Assignee
Maag Zahnraeder & Maschinen Ag
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 Maag Zahnraeder & Maschinen Ag filed Critical Maag Zahnraeder & Maschinen Ag
Publication of BR8008362A publication Critical patent/BR8008362A/pt

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
    • 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

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
BR8008362A 1979-12-20 1980-12-19 Processo para a recarburacao regulavel,ou aquecimento em gas protetor de pecas de aco BR8008362A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1130379A CH643597A5 (de) 1979-12-20 1979-12-20 Verfahren zum regelbaren aufkohlen oder erwaermen in schutzgas von werkstuecken aus stahl.

Publications (1)

Publication Number Publication Date
BR8008362A true BR8008362A (pt) 1981-07-07

Family

ID=4372157

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8008362A BR8008362A (pt) 1979-12-20 1980-12-19 Processo para a recarburacao regulavel,ou aquecimento em gas protetor de pecas de aco

Country Status (9)

Country Link
EP (1) EP0031034B1 (de)
JP (1) JPS5696070A (de)
BR (1) BR8008362A (de)
CH (1) CH643597A5 (de)
DE (2) DE3019830C2 (de)
FR (1) FR2472034B1 (de)
GB (1) GB2066301B (de)
IT (1) IT1149924B (de)
SU (1) SU1261567A3 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4415378A (en) * 1982-04-22 1983-11-15 Dana Corporation Case hardening method for steel parts
FR2527641A1 (fr) * 1982-05-28 1983-12-02 Air Liquide Procede de traitement thermique de pieces metalliques par carburation
US4512821A (en) * 1982-12-20 1985-04-23 Procedyne Corp. Method for metal treatment using a fluidized bed
JPS6372821A (ja) * 1986-09-16 1988-04-02 Osaka Oxygen Ind Ltd 金属処理方法
DE3718240C1 (de) * 1987-05-30 1988-01-14 Ewald Schwing Verfahren zur Waermebehandlung von metallischen Werkstuecken in einer gasdurchstroemten Wirbelschicht
DE3810775C2 (de) * 1988-03-30 1996-05-23 Schlafhorst & Co W Spinnrotor
DE3830559C1 (de) * 1988-09-08 1989-03-09 Linde Ag, 6200 Wiesbaden, De
DE10307341B4 (de) * 2003-02-21 2006-02-02 Bayerische Motoren Werke Ag Tragplatte zur Aufnahme eines Tellerrades
DE10321414B4 (de) * 2003-05-13 2008-12-18 Robert Bosch Gmbh Verfahren zur Wärmebehandlung von metallischen Werkstücken in Kammeröfen
CN109778106A (zh) * 2018-11-14 2019-05-21 苏州工业园区姑苏科技有限公司 一种网带炉的氮甲醇保护气氛的控制系统以及调节方法
CN113913731A (zh) * 2021-11-12 2022-01-11 陕西柴油机重工有限公司 压入式可控气氛发生装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB816051A (en) * 1954-12-18 1959-07-08 Renault Improvements in or relating to a process for preparing a gas suitable for the case hardening of steel
DE1208148B (de) * 1959-05-11 1965-12-30 Hurth Masch Zahnrad Carl Verfahren zum Aufkohlen von Werkstuecken aus Eisen
GB952363A (en) * 1959-10-07 1964-03-18 Nissan Motor Heat treatment of steels with a mixed gas of nitrogen and hydrocarbon
IT649978A (de) * 1960-06-17
DE2163476A1 (de) * 1971-12-21 1973-07-12 Jenaer Glaswerk Schott & Gen Verfahren zur erhoehung der mechanischen festigkeit von glas-metall-verschmelzungen durch aufkohlen von eisen und eisenlegierungen
LU71534A1 (de) * 1973-12-21 1975-06-17
US4049473A (en) * 1976-03-11 1977-09-20 Airco, Inc. Methods for carburizing steel parts
US4175986A (en) * 1978-10-19 1979-11-27 Trw Inc. Inert carrier gas heat treating control process

Also Published As

Publication number Publication date
DE3019830C2 (de) 1983-03-24
JPS5696070A (en) 1981-08-03
DE3071126D1 (en) 1985-10-31
GB2066301A (en) 1981-07-08
JPS6350430B2 (de) 1988-10-07
IT8026589A0 (it) 1980-12-12
GB2066301B (en) 1984-01-25
FR2472034B1 (fr) 1986-05-16
DE3019830A1 (de) 1981-07-02
EP0031034B1 (de) 1985-09-25
EP0031034A1 (de) 1981-07-01
FR2472034A1 (fr) 1981-06-26
CH643597A5 (de) 1984-06-15
IT1149924B (it) 1986-12-10
SU1261567A3 (ru) 1986-09-30

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Legal Events

Date Code Title Description
MK Patent expired

Effective date: 19951219

B15K Others concerning applications: alteration of classification

Ipc: C23C 8/22 (2006.01), C21D 1/76 (2006.0