CH602922A5 - - Google Patents

Info

Publication number
CH602922A5
CH602922A5 CH1215575A CH1215575A CH602922A5 CH 602922 A5 CH602922 A5 CH 602922A5 CH 1215575 A CH1215575 A CH 1215575A CH 1215575 A CH1215575 A CH 1215575A CH 602922 A5 CH602922 A5 CH 602922A5
Authority
CH
Switzerland
Application number
CH1215575A
Inventor
Hermite Mathurin L
Francois Pierrard
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
Application filed by Air Liquide filed Critical Air Liquide
Publication of CH602922A5 publication Critical patent/CH602922A5/xx

Links

Classifications

    • 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)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
CH1215575A 1974-09-20 1975-09-19 CH602922A5 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7431744A FR2285461A1 (fr) 1974-09-20 1974-09-20 Procede de traitement thermique de l'acier en atmosphere reductrice et non decarburante

Publications (1)

Publication Number Publication Date
CH602922A5 true CH602922A5 (fr) 1978-08-15

Family

ID=9143268

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1215575A CH602922A5 (fr) 1974-09-20 1975-09-19

Country Status (12)

Country Link
US (1) US4211584A (fr)
JP (1) JPS5917168B2 (fr)
BE (1) BE833594A (fr)
CA (1) CA1039160A (fr)
CH (1) CH602922A5 (fr)
DE (1) DE2539722B2 (fr)
ES (1) ES441101A1 (fr)
FR (1) FR2285461A1 (fr)
IT (1) IT1041892B (fr)
LU (1) LU73423A1 (fr)
NL (1) NL7511018A (fr)
SE (1) SE430515B (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2446322A2 (fr) * 1979-01-15 1980-08-08 Air Liquide Procede de traitement thermique de l'acier et de controle dudit traitement
US4415379A (en) * 1981-09-15 1983-11-15 The Boc Group, Inc. Heat treatment processes
FR2623209B1 (fr) * 1987-11-17 1993-09-03 Air Liquide Procede de traitement thermique sous atmosphere gazeuse a base d'azote et d'hydrocarbure
FR2777910B1 (fr) * 1998-04-27 2000-08-25 Air Liquide Procede de regulation du potentiel carbone d'une atmosphere de traitement thermique et procede de traitement thermique mettant en oeuvre une telle regulation
DE102004016975B4 (de) * 2004-04-07 2009-07-30 Air Liquide Deutschland Gmbh Verfahren zur Wärmebehandlung von Metallen
CN100574921C (zh) * 2004-09-15 2009-12-30 新日本制铁株式会社 高强度部件及其制造方法
CN103820750A (zh) * 2014-03-14 2014-05-28 重庆望江工业有限公司 一种真空渗碳热处理方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2287467A (en) * 1940-01-03 1942-06-23 American Rolling Mill Co Process of producing silicon steel
CH332581A (fr) * 1954-10-18 1958-09-15 Norregaard Ipsen Harold Installation pour le traitement thermique de pièces métalliques
US2815305A (en) * 1955-07-20 1957-12-03 Harold N Ipsen Method of and apparatus for heat treating metal parts
GB1065323A (en) * 1962-10-05 1967-04-12 Yawata Iron & Steel Co Two-stage annealing for the improvement of deep drawing property of steel sheet
DE1433735B1 (de) * 1963-09-21 1969-09-04 Werner Goehring Verfahren zur Erzielung einer Ofenatmosphaere,mit der eine oxydationsfreie Waermebehandlung von Werkstuecken aus Stahl unter gleichzeitiger Beeinflussung des Kohlenstoffgehalts durchfuehrbar ist
FR1578942A (fr) * 1968-05-09 1969-08-22

Also Published As

Publication number Publication date
FR2285461B1 (fr) 1976-12-31
BE833594A (fr) 1976-03-19
ES441101A1 (es) 1977-04-01
DE2539722B2 (de) 1979-06-21
LU73423A1 (fr) 1977-01-06
DE2539722A1 (de) 1976-04-08
IT1041892B (it) 1980-01-10
AU8491875A (en) 1977-03-24
JPS5917168B2 (ja) 1984-04-19
NL7511018A (nl) 1976-03-23
CA1039160A (fr) 1978-09-26
SE7510504L (sv) 1976-03-22
FR2285461A1 (fr) 1976-04-16
SE430515B (sv) 1983-11-21
US4211584A (en) 1980-07-08
JPS5156715A (en) 1976-05-18

Similar Documents

Publication Publication Date Title
FR2271995B1 (fr)
FR2273090A1 (fr)
FR2267895B3 (fr)
AU480152B2 (fr)
FR2275946B1 (fr)
FR2285461B1 (fr)
FR2270133B1 (fr)
FR2288358B1 (fr)
FR2266554B1 (fr)
FR2267243A1 (fr)
FR2262406A1 (fr)
FR2294167B1 (fr)
FR2287654B1 (fr)
AR199810A1 (fr)
BG21460A1 (fr)
AU480069A (fr)
BG21250A1 (fr)
DD120512A5 (fr)
DD118236A5 (fr)
CH601967A5 (fr)
CH599341A5 (fr)
CH567123A5 (fr)
BG21786A1 (fr)
BG21769A1 (fr)
BG21709A1 (fr)

Legal Events

Date Code Title Description
PL Patent ceased