ES8707310A1 - Procedimiento de cementacion-difusion en un horno de cargo - Google Patents

Procedimiento de cementacion-difusion en un horno de cargo

Info

Publication number
ES8707310A1
ES8707310A1 ES556250A ES556250A ES8707310A1 ES 8707310 A1 ES8707310 A1 ES 8707310A1 ES 556250 A ES556250 A ES 556250A ES 556250 A ES556250 A ES 556250A ES 8707310 A1 ES8707310 A1 ES 8707310A1
Authority
ES
Spain
Prior art keywords
furnace
phase
charge
rate
diffusion
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
ES556250A
Other languages
English (en)
Other versions
ES556250A0 (es
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.)
Air Liquide SA
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
Original Assignee
Air Liquide SA
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
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=ES8707310(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Air Liquide SA, LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude filed Critical Air Liquide SA
Publication of ES556250A0 publication Critical patent/ES556250A0/es
Publication of ES8707310A1 publication Critical patent/ES8707310A1/es
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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Powder Metallurgy (AREA)
  • Fertilizers (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Soil Conditioners And Soil-Stabilizing Materials (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)

Abstract

PROCEDIMIENTO DE CEMENTACION-DIFUSION EN UN HORNO DE CARGA. COMPRENDE: A) ABRIR LA PUERTA DEL HORNO; B) INTRODUCIR UNA CARGA EN EL HORNO ACONDICIONANDO LA TEMPERATURA DE CEMENTACION; C) CERRAR LA PUERTA DEL HORNO; D) CEMENTAR LA CARGA CON UNA VELOCIDAD DE TRANSMISION DE CARBONO DE LA ATMOSFERA A LA SUPERFICIE DE LA PIEZA RELACIONADO A LA VELOCIDAD DE FUSION DEL CARBONO EN LA PIEZA; E) DIFUNDIR LA CARGA CON UNA VELOCIDAD IGUAL A LA DE TRANSMISION DE CARBONO; F) ENFRIAR LA CARGA; G) ABRIR LA PUERTA PARA EXTRAER LA CARGA/ Y H) INTRODUCIR EN EL HORNO GAS PORTADOR CON HIDROCARBURO Y NUEVA CARGA.
ES556250A 1985-08-14 1986-06-19 Procedimiento de cementacion-difusion en un horno de cargo Expired ES8707310A1 (es)

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 (2)

Publication Number Publication Date
ES556250A0 ES556250A0 (es) 1987-07-16
ES8707310A1 true ES8707310A1 (es) 1987-07-16

Family

ID=9322226

Family Applications (1)

Application Number Title Priority Date Filing Date
ES556250A Expired ES8707310A1 (es) 1985-08-14 1986-06-19 Procedimiento de cementacion-difusion en un horno de cargo

Country Status (11)

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

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 (es) 1989-01-26
FR2586258B1 (fr) 1987-10-30
ZA865391B (en) 1987-03-25
FR2586258A1 (fr) 1987-02-20
EP0213011B1 (fr) 1989-01-25
JPS6240358A (ja) 1987-02-21
AU589202B2 (en) 1989-10-05
US4744839A (en) 1988-05-17
ES556250A0 (es) 1987-07-16
ATE40415T1 (de) 1989-02-15
BR8603866A (pt) 1987-03-24
EP0213011A1 (fr) 1987-03-04
DE3661942D1 (en) 1989-03-02
AU6045986A (en) 1987-02-19

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Legal Events

Date Code Title Description
MM4A Patent lapsed

Effective date: 19960506