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BR8008362A - PROCESS FOR ADJUSTABLE RECHARGING, OR HEATING IN STEEL PIECES GAS PROTECTOR - Google Patents

PROCESS FOR ADJUSTABLE RECHARGING, OR HEATING IN STEEL PIECES GAS PROTECTOR

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
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/en

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 PROCESS FOR ADJUSTABLE RECHARGING, OR HEATING IN STEEL PIECES GAS PROTECTOR BR8008362A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1130379A CH643597A5 (en) 1979-12-20 1979-12-20 METHOD FOR ADJUSTABLE CARBONING OR HEATING IN PROTECTIVE GAS FROM WORKPIECE STEEL.

Publications (1)

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

Family

ID=4372157

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8008362A BR8008362A (en) 1979-12-20 1980-12-19 PROCESS FOR ADJUSTABLE RECHARGING, OR HEATING IN STEEL PIECES GAS PROTECTOR

Country Status (9)

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

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 (en) * 1982-05-28 1983-12-02 Air Liquide PROCESS FOR THERMALLY TREATING METALLIC PARTS THROUGH CARBURATION
US4512821A (en) * 1982-12-20 1985-04-23 Procedyne Corp. Method for metal treatment using a fluidized bed
JPS6372821A (en) * 1986-09-16 1988-04-02 Osaka Oxygen Ind Ltd Treatment of metal
DE3718240C1 (en) * 1987-05-30 1988-01-14 Ewald Schwing Process for the heat treatment of metallic workpieces in a gas-flowed fluidized bed
DE3810775C2 (en) * 1988-03-30 1996-05-23 Schlafhorst & Co W Spinning rotor
DE3830559C1 (en) * 1988-09-08 1989-03-09 Linde Ag, 6200 Wiesbaden, De
DE10307341B4 (en) * 2003-02-21 2006-02-02 Bayerische Motoren Werke Ag Support plate for receiving a ring gear
DE10321414B4 (en) * 2003-05-13 2008-12-18 Robert Bosch Gmbh Process for the heat treatment of metallic workpieces in chamber furnaces
CN109778106A (en) * 2018-11-14 2019-05-21 苏州工业园区姑苏科技有限公司 A kind of control system and adjusting method of the n-formyl sarcolysine alcohol protective atmosphere of meshbeltfurnace
CN113913731A (en) * 2021-11-12 2022-01-11 陕西柴油机重工有限公司 Press-in controllable atmosphere generator

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 (en) * 1959-05-11 1965-12-30 Hurth Masch Zahnrad Carl Process for carburizing workpieces made of iron
GB952363A (en) * 1959-10-07 1964-03-18 Nissan Motor Heat treatment of steels with a mixed gas of nitrogen and hydrocarbon
NL266000A (en) * 1960-06-17
DE2163476A1 (en) * 1971-12-21 1973-07-12 Jenaer Glaswerk Schott & Gen PROCESS FOR INCREASING THE MECHANICAL STRENGTH OF GLASS-METAL FUSIONS BY CARBURIZING IRON AND IRON ALLOYS
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
JPS6350430B2 (en) 1988-10-07
EP0031034A1 (en) 1981-07-01
IT8026589A0 (en) 1980-12-12
FR2472034A1 (en) 1981-06-26
SU1261567A3 (en) 1986-09-30
DE3019830A1 (en) 1981-07-02
JPS5696070A (en) 1981-08-03
FR2472034B1 (en) 1986-05-16
CH643597A5 (en) 1984-06-15
IT1149924B (en) 1986-12-10
DE3019830C2 (en) 1983-03-24
GB2066301B (en) 1984-01-25
GB2066301A (en) 1981-07-08
DE3071126D1 (en) 1985-10-31
EP0031034B1 (en) 1985-09-25

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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