GB2066301B - Process for carburising or heating of steel workpieces in a protective atmosphere - Google Patents

Process for carburising or heating of steel workpieces in a protective atmosphere

Info

Publication number
GB2066301B
GB2066301B GB8040423A GB8040423A GB2066301B GB 2066301 B GB2066301 B GB 2066301B GB 8040423 A GB8040423 A GB 8040423A GB 8040423 A GB8040423 A GB 8040423A GB 2066301 B GB2066301 B GB 2066301B
Authority
GB
United Kingdom
Prior art keywords
carburising
heating
protective atmosphere
steel workpieces
workpieces
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB8040423A
Other versions
GB2066301A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Maag Gear Wheel and Machine Co Ltd
Maag Zahnrader und Maschinen AG
Original Assignee
Maag Gear Wheel and Machine Co Ltd
Maag Zahnrader und 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 Gear Wheel and Machine Co Ltd, Maag Zahnrader und Maschinen AG filed Critical Maag Gear Wheel and Machine Co Ltd
Publication of GB2066301A publication Critical patent/GB2066301A/en
Application granted granted Critical
Publication of GB2066301B publication Critical patent/GB2066301B/en
Expired legal-status Critical Current

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)
GB8040423A 1979-12-20 1980-12-17 Process for carburising or heating of steel workpieces in a protective atmosphere Expired GB2066301B (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 (2)

Publication Number Publication Date
GB2066301A GB2066301A (en) 1981-07-08
GB2066301B true GB2066301B (en) 1984-01-25

Family

ID=4372157

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8040423A Expired GB2066301B (en) 1979-12-20 1980-12-17 Process for carburising or heating of steel workpieces in a protective atmosphere

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 type controllable atmosphere generating device

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
IT649978A (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
FR2472034A1 (en) 1981-06-26
BR8008362A (en) 1981-07-07
EP0031034A1 (en) 1981-07-01
JPS5696070A (en) 1981-08-03
IT1149924B (en) 1986-12-10
EP0031034B1 (en) 1985-09-25
SU1261567A3 (en) 1986-09-30
DE3071126D1 (en) 1985-10-31
DE3019830C2 (en) 1983-03-24
FR2472034B1 (en) 1986-05-16
IT8026589A0 (en) 1980-12-12
GB2066301A (en) 1981-07-08
DE3019830A1 (en) 1981-07-02
CH643597A5 (en) 1984-06-15
JPS6350430B2 (en) 1988-10-07

Similar Documents

Publication Publication Date Title
JPS5677362A (en) Improved tool steel containing boron processed by using rapid coagulation method and method
GB2046801B (en) Apparatus for treating metal workpieces with laser radiation
ATA383980A (en) Method for the surface treatment of metallic workpieces, in particular those made of iron or steel
ZA812500B (en) Process and appliance for carburising metallic workpieces
GB2060147B (en) Apparatus for treating a workpiece at elevated temperatures
GB2063200B (en) Method and apparatus for handling articles
JPS56119357A (en) Machining method for workpiece and its device
JPS5416341A (en) Method and apparatus for making processed metal articles
ZA812148B (en) Process for carburizing ferrous metals
GB2065700B (en) Hot work steel
GB2066301B (en) Process for carburising or heating of steel workpieces in a protective atmosphere
GB2006832A (en) Process for the gas carburisation of steel workpieces
ZA828553B (en) Process for case-hardening metallic workpieces
YU41202B (en) Process for the protection of steel surfaces from the oxidation effect of the atmosphere
GB1552198A (en) Process for heat treating steel while preventing decarburization
GB1550201A (en) Method for hardening and hot-zincing steel articles
ZA806460B (en) Protective atmosphere process for annealing and or spheroidizing ferrous metals
JPS55151206A (en) Detection method of and apparatus for deformation of work piece
DE3071318D1 (en) Method of heat treating ferrous workpieces
DE3063204D1 (en) Process for welding metallic workpieces
YU39760B (en) Process for tempering steel and iron pieces
GB2036598B (en) Surface treatment method for tin-free steel
DE3070214D1 (en) Process for hot galvanizing iron and steel articles
JPS55154526A (en) Treating method of cubic oriented silicon steel
GB2006062B (en) Apparatus and process for machining workpieces by abrasion

Legal Events

Date Code Title Description
7732 Case decided by the comptroller ** patent revoked (sect. 73(2)/1977)