BR8603866A - Processo de cementacao-difusao em um forno de carga - Google Patents

Processo de cementacao-difusao em um forno de carga

Info

Publication number
BR8603866A
BR8603866A BR8603866A BR8603866A BR8603866A BR 8603866 A BR8603866 A BR 8603866A BR 8603866 A BR8603866 A BR 8603866A BR 8603866 A BR8603866 A BR 8603866A BR 8603866 A BR8603866 A BR 8603866A
Authority
BR
Brazil
Prior art keywords
furnace
phase
rate
diffusion
charge
Prior art date
Application number
BR8603866A
Other languages
English (en)
Inventor
Philippe Queille
Original Assignee
Brasil Oxigenio
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=BR8603866(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Brasil Oxigenio filed Critical Brasil Oxigenio
Publication of BR8603866A publication Critical patent/BR8603866A/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

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)
  • Superconductors And Manufacturing Methods Therefor (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)
  • Fertilizers (AREA)
BR8603866A 1985-08-14 1986-08-13 Processo de cementacao-difusao em um forno de carga BR8603866A (pt)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BR8603866A true BR8603866A (pt) 1987-03-24

Family

ID=9322226

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8603866A BR8603866A (pt) 1985-08-14 1986-08-13 Processo de cementacao-difusao em um forno de carga

Country Status (11)

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

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
JPS644583B2 (pt) 1989-01-26
US4744839A (en) 1988-05-17
EP0213011B1 (fr) 1989-01-25
JPS6240358A (ja) 1987-02-21
FR2586258B1 (fr) 1987-10-30
ES8707310A1 (es) 1987-07-16
ES556250A0 (es) 1987-07-16
DE3661942D1 (en) 1989-03-02
AU6045986A (en) 1987-02-19
CA1281266C (fr) 1991-03-12
ATE40415T1 (de) 1989-02-15
EP0213011A1 (fr) 1987-03-04
ZA865391B (en) 1987-03-25
FR2586258A1 (fr) 1987-02-20
AU589202B2 (en) 1989-10-05

Similar Documents

Publication Publication Date Title
DE59007443D1 (de) Ofen zur partiellen Wärmebehandlung von Werkzeugen.
DE3564130D1 (en) Process for the diminution of the nox content of flue gases when heating coke ovens, and coke oven for carrying out the process
BR8603866A (pt) Processo de cementacao-difusao em um forno de carga
ZA805401B (en) Door for coke oven and method of operating it
AU560555B2 (en) Gaseous carburizing of steel
ES461548A1 (es) Procedimiento para la regulacion de una carburacion de pie- zas al vacio.
BR8603865A (pt) Processo de cementacao rapida em um forno continuo fechado
BR7907953A (pt) Processo e instalacao para a reducao de minerios
ES8106762A1 (es) Procedimiento para el tratamiento termico en horno de meta- les
ES8200926A1 (es) Un metodo de recocer un articulo de metal ferreo
HU9203611D0 (en) Method for impregnating or simultaneous impregnating and drying of wood
GB8722458D0 (en) Closures
CA2199099A1 (en) Apparatus and Method for Forming Heat Treating Atmospheres
BR8100329A (pt) Processo para reducao direta de materiais com teor de oxido de ferro em um forno rotativo
JPS5735621A (en) Heat treatment installation for metal
ES2001789A6 (es) Procedimiento e instalacion para la depuracion de los gases de escape de hogares
HU896649D0 (en) Method and equipment for impregnation or coating objects
GB988047A (en) Method of heat treating a steel sheet
JPS5439391A (en) Method of regenerating high temperature gas refining catalyst
JPS5236101A (en) Door brick for coke oven and method for fitting the same
Zhao et al. The Relation Between Carbon Potential and Compositions of Furnace Atmosphere in Drop-Feeding Carburizing Process
Filice et al. Techniques for distortion control during vacuum oil quenching of high strength steel aircraft components
GEU1997181Y (en) Method for carrying Metallothermal Process
Sala et al. Technological Specific Energy Consumption in the Processes of Quench Hardening and Carburizing With Quenching Depending on the Utilization Factor of the Treatment Installation.(Retroactive Coverage)
KR950025109A (ko) 갈륨함유 스크랩으로 부터의 갈륨회수법

Legal Events

Date Code Title Description
MM Lapse due to non-payment of fees (art. 50)