FR2579229B1 - Procede de durcissement superficiel d'objets en metal minces et dispositif pour sa mise en oeuvre - Google Patents

Procede de durcissement superficiel d'objets en metal minces et dispositif pour sa mise en oeuvre

Info

Publication number
FR2579229B1
FR2579229B1 FR868603924A FR8603924A FR2579229B1 FR 2579229 B1 FR2579229 B1 FR 2579229B1 FR 868603924 A FR868603924 A FR 868603924A FR 8603924 A FR8603924 A FR 8603924A FR 2579229 B1 FR2579229 B1 FR 2579229B1
Authority
FR
France
Prior art keywords
carrying
thin metal
metal objects
out same
surface curing
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 - Lifetime
Application number
FR868603924A
Other languages
English (en)
Other versions
FR2579229A1 (fr
Inventor
Cyril Dawes
Colin Smith
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.)
ZF International UK Ltd
Original Assignee
Lucas Industries Ltd
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 Lucas Industries Ltd filed Critical Lucas Industries Ltd
Publication of FR2579229A1 publication Critical patent/FR2579229A1/fr
Application granted granted Critical
Publication of FR2579229B1 publication Critical patent/FR2579229B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C23C8/24—Nitriding
    • C23C8/26—Nitriding 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/0006—Details, accessories not peculiar to any of the following furnaces
    • C21D9/0025—Supports; Baskets; Containers; Covers
    • 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
    • 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
    • C23C8/80—After-treatment

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)
  • Heat Treatment Of Articles (AREA)
FR868603924A 1985-03-20 1986-03-19 Procede de durcissement superficiel d'objets en metal minces et dispositif pour sa mise en oeuvre Expired - Lifetime FR2579229B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB858507230A GB8507230D0 (en) 1985-03-20 1985-03-20 Thin flat article with hardened surfaces

Publications (2)

Publication Number Publication Date
FR2579229A1 FR2579229A1 (fr) 1986-09-26
FR2579229B1 true FR2579229B1 (fr) 1990-02-16

Family

ID=10576326

Family Applications (1)

Application Number Title Priority Date Filing Date
FR868603924A Expired - Lifetime FR2579229B1 (fr) 1985-03-20 1986-03-19 Procede de durcissement superficiel d'objets en metal minces et dispositif pour sa mise en oeuvre

Country Status (5)

Country Link
US (1) US4713122A (fr)
JP (1) JP2606689B2 (fr)
DE (1) DE3609477A1 (fr)
FR (1) FR2579229B1 (fr)
GB (2) GB8507230D0 (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8608717D0 (en) * 1986-04-10 1986-05-14 Lucas Ind Plc Metal components
CA2016843A1 (fr) * 1990-05-15 1991-11-15 Michel J. Korwin Procede de fabrication d'un constitutant anticorrosion a base d'alliage de fer
US5039357A (en) * 1990-06-15 1991-08-13 Dynamic Metal Treating, Inc. Method for nitriding and nitrocarburizing rifle barrels in a fluidized bed furnace
US5244375A (en) * 1991-12-19 1993-09-14 Formica Technology, Inc. Plasma ion nitrided stainless steel press plates and applications for same
USH1512H (en) * 1994-02-28 1996-01-02 New Venture Gear, Inc. Viscous coupling plate hardening and flattening method
FR2733015B1 (fr) * 1995-04-11 1997-07-04 Valeo Systemes Dessuyage Procede de fabrication d'une vis de butee d'arbre, et vis de butee d'arbre, notamment pour moteur electrique
JP3924999B2 (ja) * 1999-08-12 2007-06-06 株式会社日立製作所 燃料ポンプ及びそれを用いた筒内噴射エンジン
US7431777B1 (en) * 2003-05-20 2008-10-07 Exxonmobil Research And Engineering Company Composition gradient cermets and reactive heat treatment process for preparing same
JP5649884B2 (ja) * 2010-09-14 2015-01-07 日本パーカライジング株式会社 窒素化合物層を有する鉄鋼部材、及びその製造方法
US20140265708A1 (en) * 2013-03-14 2014-09-18 General Electric Company Dual magnetic phase rotor laminations for induction machines
US10396615B2 (en) 2013-02-28 2019-08-27 General Electric Company Electric machine stator lamination with dual phase magnetic material
US11926880B2 (en) 2021-04-21 2024-03-12 General Electric Company Fabrication method for a component having magnetic and non-magnetic dual phases
US11661646B2 (en) 2021-04-21 2023-05-30 General Electric Comapny Dual phase magnetic material component and method of its formation

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1535191A (en) * 1924-02-15 1925-04-28 Ernest E Wemp Method of constructing clutch disks
GB618645A (en) * 1945-11-23 1949-02-24 Jack & Heintz Prec Ind Inc Improvements in the manufacture of nitrided steel articles
US2814580A (en) * 1955-09-02 1957-11-26 Int Harvester Co Heat treated agricultural implement disks having non-directional fracture characteristics
US3510367A (en) * 1967-10-20 1970-05-05 Kent Moore Corp Method of heat treating ferrous alloy sheets
FR2142158A5 (fr) * 1971-06-15 1973-01-26 Ferodo Sa
US3806379A (en) * 1972-03-13 1974-04-23 Crucible Inc Method for heat treating coulter blades
DE2324918C3 (de) * 1973-05-17 1983-12-08 Fa. J. Aichelin, 7015 Korntal Verfahren zur Herstellung von Epsilon-Karbonitridschichten auf Teilen aus Eisenlegierungen
JPS55125266A (en) * 1979-03-22 1980-09-26 Hitachi Ltd Increasing method for hardness of nitriding low carbon low alloy steel by reheating
GB2051880B (en) * 1979-07-02 1983-12-14 Honda Motor Co Ltd Gas soft nitriding
DE3002463A1 (de) * 1980-01-24 1981-07-30 Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen Verfahren zum nitrieren von staehlen im ammoniakgasstrom
DE3277585D1 (en) * 1981-09-05 1987-12-10 Lucas Ind Plc Coated metal substrate and method of coating a metal substrate
US4496401A (en) * 1981-10-15 1985-01-29 Lucas Industries Corrosion resistant steel components and method of manufacture thereof

Also Published As

Publication number Publication date
US4713122A (en) 1987-12-15
FR2579229A1 (fr) 1986-09-26
GB2179060B (fr) 1989-07-12
GB8606238D0 (en) 1986-04-16
DE3609477C2 (fr) 1989-12-14
GB8507230D0 (en) 1985-04-24
JPS61253359A (ja) 1986-11-11
JP2606689B2 (ja) 1997-05-07
GB2179060A (en) 1987-02-25
DE3609477A1 (de) 1986-09-25

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Legal Events

Date Code Title Description
TP Transmission of property
CL Concession to grant licences

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