ATE40415T1 - Verfahren zur schnellen und homogenen aufkohlung von werkstuecken in einem ofen. - Google Patents

Verfahren zur schnellen und homogenen aufkohlung von werkstuecken in einem ofen.

Info

Publication number
ATE40415T1
ATE40415T1 AT86401585T AT86401585T ATE40415T1 AT E40415 T1 ATE40415 T1 AT E40415T1 AT 86401585 T AT86401585 T AT 86401585T AT 86401585 T AT86401585 T AT 86401585T AT E40415 T1 ATE40415 T1 AT E40415T1
Authority
AT
Austria
Prior art keywords
furnace
phase
rate
charge
diffusion
Prior art date
Application number
AT86401585T
Other languages
English (en)
Inventor
Philippe Queille
Original Assignee
Air Liquide
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9322226&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE40415(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Air Liquide filed Critical Air Liquide
Application granted granted Critical
Publication of ATE40415T1 publication Critical patent/ATE40415T1/de

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Powder Metallurgy (AREA)
  • Soil Conditioners And Soil-Stabilizing Materials (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Fertilizers (AREA)
AT86401585T 1985-08-14 1986-07-16 Verfahren zur schnellen und homogenen aufkohlung von werkstuecken in einem ofen. ATE40415T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8512379A FR2586258B1 (fr) 1985-08-14 1985-08-14 Procede pour la cementation rapide et homogene d'une charge dans un four
EP86401585A EP0213011B1 (de) 1985-08-14 1986-07-16 Verfahren zur schnellen und homogenen Aufkohlung von Werkstücken in einem Ofen

Publications (1)

Publication Number Publication Date
ATE40415T1 true ATE40415T1 (de) 1989-02-15

Family

ID=9322226

Family Applications (1)

Application Number Title Priority Date Filing Date
AT86401585T ATE40415T1 (de) 1985-08-14 1986-07-16 Verfahren zur schnellen und homogenen aufkohlung von werkstuecken in einem ofen.

Country Status (11)

Country Link
US (1) US4744839A (de)
EP (1) EP0213011B1 (de)
JP (1) JPS6240358A (de)
AT (1) ATE40415T1 (de)
AU (1) AU589202B2 (de)
BR (1) BR8603866A (de)
CA (1) CA1281266C (de)
DE (1) DE3661942D1 (de)
ES (1) ES8707310A1 (de)
FR (1) FR2586258B1 (de)
ZA (1) ZA865391B (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2586259B1 (fr) * 1985-08-14 1987-10-30 Air Liquide Procede de cementation rapide dans un four continu
US4950334A (en) * 1986-08-12 1990-08-21 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Gas carburizing method and apparatus
DE3707003A1 (de) * 1987-03-05 1988-09-15 Ewald Schwing Verfahren zum aufkohlen eines werkstueckes aus stahl
DE3714283C1 (de) * 1987-04-29 1988-11-24 Ipsen Ind Internat Gmbh Verfahren zur Gasaufkohlung von Stahl
US5168200A (en) * 1989-12-18 1992-12-01 Payne Kenneth R Automatic powered flowmeter valves and control thereof
US6547888B1 (en) * 2000-01-28 2003-04-15 Swagelok Company Modified low temperature case hardening processes
JP6773411B2 (ja) * 2015-12-08 2020-10-21 日本エア・リキード合同会社 浸炭システム及び表面硬化鋼材の製造方法
CN113957228A (zh) * 2021-10-09 2022-01-21 上海丰东热处理工程有限公司 传动电机轴热处理工艺

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US26935A (en) * 1860-01-24 Attaching bonnets to sails
US2955062A (en) * 1952-02-27 1960-10-04 Midland Ross Corp Method for carburizing in a continuous furnace
US3356541A (en) * 1965-08-20 1967-12-05 Midland Ross Corp Carburizing method and apparatus
GB1471880A (en) * 1973-10-26 1977-04-27 Air Prod & Chem Furnace atmosphere for the heat treatment of ferrous metal
US3950192A (en) * 1974-10-30 1976-04-13 Monsanto Company Continuous carburizing method
US4049472A (en) * 1975-12-22 1977-09-20 Air Products And Chemicals, Inc. Atmosphere compositions and methods of using same for surface treating ferrous metals
US4145232A (en) * 1977-06-03 1979-03-20 Union Carbide Corporation Process for carburizing steel
CH632013A5 (de) * 1977-09-22 1982-09-15 Ipsen Ind Int Gmbh Verfahren zur gasaufkohlung von werkstuecken aus stahl.
US4175986A (en) * 1978-10-19 1979-11-27 Trw Inc. Inert carrier gas heat treating control process
US4306918A (en) * 1980-04-22 1981-12-22 Air Products And Chemicals, Inc. Process for carburizing ferrous metals
FR2527641A1 (fr) * 1982-05-28 1983-12-02 Air Liquide Procede de traitement thermique de pieces metalliques par carburation
FR2586259B1 (fr) * 1985-08-14 1987-10-30 Air Liquide Procede de cementation rapide dans un four continu

Also Published As

Publication number Publication date
CA1281266C (fr) 1991-03-12
JPS644583B2 (de) 1989-01-26
FR2586258B1 (fr) 1987-10-30
ZA865391B (en) 1987-03-25
FR2586258A1 (fr) 1987-02-20
EP0213011B1 (de) 1989-01-25
JPS6240358A (ja) 1987-02-21
AU589202B2 (en) 1989-10-05
US4744839A (en) 1988-05-17
ES556250A0 (es) 1987-07-16
BR8603866A (pt) 1987-03-24
EP0213011A1 (de) 1987-03-04
ES8707310A1 (es) 1987-07-16
DE3661942D1 (en) 1989-03-02
AU6045986A (en) 1987-02-19

Similar Documents

Publication Publication Date Title
ES8206658A1 (es) Procedimiento paa endurecer por cementacion piezas de traba-jo metalicas.
US4519853B1 (de)
DE3373197D1 (en) Method of surface-hardening metallic parts
ATE40415T1 (de) Verfahren zur schnellen und homogenen aufkohlung von werkstuecken in einem ofen.
DE3322957C2 (de) Verfahren zum Härten der Oberfläche von Gegenständen aus Eisenwerkstoff
US2811466A (en) Process of chromizing
ES461548A1 (es) Procedimiento para la regulacion de una carburacion de pie- zas al vacio.
DE3661943D1 (en) Process for rapid cementation in a continuous furnace
ATE358T1 (de) Verfahren und anlage zur reduktion von erzen.
ES8200926A1 (es) Un metodo de recocer un articulo de metal ferreo
ATE274073T1 (de) Verfahren und vorrichtung zur wärmebehandlung metallischer werkstücke
ES8106762A1 (es) Procedimiento para el tratamiento termico en horno de meta- les
HU9203611D0 (en) Method for impregnating or simultaneous impregnating and drying of wood
EP0034761A3 (en) Method for the surface improvement of machine parts and cutting tools of ferrous alloys
SU1576593A1 (ru) Способ циклической химико-термической обработки
JPS5514110A (en) Continuous processing method for brazing and gas soft nitriding in furnace
Shepherd Applications of fluidized bed furnaces for the heat treatment of tool steels
JPS5626671A (en) Simultaneous treating method of in-furnace brazing and gas carburizing
JPS55103272A (en) Treating method combining in-furnace brazing and soft-nitriding
TH22018B (th) กรรมวิธีคาร์บูไรซิ่งแก๊ส และอุปกรณ์สำหรับสิ่งเหล่านั้น
FR2288785A2 (fr) Procede de traitement thermique de l'acier et de controle dudit traitement
GB1101564A (en) Separation process

Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
RZN Patent revoked