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)
  • 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)
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 (enrdf_load_stackoverflow)
JP (1) JPS5696070A (enrdf_load_stackoverflow)
BR (1) BR8008362A (enrdf_load_stackoverflow)
CH (1) CH643597A5 (enrdf_load_stackoverflow)
DE (2) DE3019830C2 (enrdf_load_stackoverflow)
FR (1) FR2472034B1 (enrdf_load_stackoverflow)
GB (1) GB2066301B (enrdf_load_stackoverflow)
IT (1) IT1149924B (enrdf_load_stackoverflow)
SU (1) SU1261567A3 (enrdf_load_stackoverflow)

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 (enrdf_load_stackoverflow) * 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
NL266000A (enrdf_load_stackoverflow) * 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
US4035203A (en) * 1973-12-21 1977-07-12 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Method for the heat-treatment of steel and for the control of said treatment
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
IT1149924B (it) 1986-12-10
EP0031034A1 (de) 1981-07-01
IT8026589A0 (it) 1980-12-12
FR2472034B1 (fr) 1986-05-16
GB2066301A (en) 1981-07-08
JPS6350430B2 (enrdf_load_stackoverflow) 1988-10-07
SU1261567A3 (ru) 1986-09-30
DE3071126D1 (en) 1985-10-31
EP0031034B1 (de) 1985-09-25
FR2472034A1 (fr) 1981-06-26
DE3019830C2 (de) 1983-03-24
DE3019830A1 (de) 1981-07-02
JPS5696070A (en) 1981-08-03
CH643597A5 (de) 1984-06-15
GB2066301B (en) 1984-01-25

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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