FR2271295A1 - Gas mixtures for heat treating steel - esp. for controlled carburisation - Google Patents
Gas mixtures for heat treating steel - esp. for controlled carburisationInfo
- Publication number
- FR2271295A1 FR2271295A1 FR7345946A FR7345946A FR2271295A1 FR 2271295 A1 FR2271295 A1 FR 2271295A1 FR 7345946 A FR7345946 A FR 7345946A FR 7345946 A FR7345946 A FR 7345946A FR 2271295 A1 FR2271295 A1 FR 2271295A1
- Authority
- FR
- France
- Prior art keywords
- carburisation
- esp
- degrees
- controlled
- heat treating
- 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.)
- Granted
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
-
- 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
-
- 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
- C23C8/28—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 more than one element being applied in one step
- C23C8/30—Carbo-nitriding
- C23C8/32—Carbo-nitriding of ferrous surfaces
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7345946A FR2271295A1 (en) | 1973-12-21 | 1973-12-21 | Gas mixtures for heat treating steel - esp. for controlled carburisation |
LU71534A LU71534A1 (fr) | 1973-12-21 | 1974-12-19 | |
US05/534,301 US4035203A (en) | 1973-12-21 | 1974-12-19 | Method for the heat-treatment of steel and for the control of said treatment |
CA216,837A CA1038734A (fr) | 1973-12-21 | 1974-12-20 | Methode pour le traitement thermique des aciers, et regulation dudit traitement |
IT30886/74A IT1027936B (it) | 1973-12-21 | 1974-12-20 | Procedimento per il trattamento termico dell acciato e per la regolazione del detto trattamento |
BE151752A BE823648A (fr) | 1973-12-21 | 1974-12-20 | Procede de traitement thermique de l'acier et de controle dudit traitement |
CH1710574A CH606449A5 (fr) | 1973-12-21 | 1974-12-20 | |
JP49145843A JPS5096410A (fr) | 1973-12-21 | 1974-12-20 | |
ES433191A ES433191A1 (es) | 1973-12-21 | 1974-12-20 | Procedimiento de tratamiento termico del acero y de control de dicho tratamiento. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7345946A FR2271295A1 (en) | 1973-12-21 | 1973-12-21 | Gas mixtures for heat treating steel - esp. for controlled carburisation |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2271295A1 true FR2271295A1 (en) | 1975-12-12 |
FR2271295B1 FR2271295B1 (fr) | 1978-09-08 |
Family
ID=9129589
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7345946A Granted FR2271295A1 (en) | 1973-12-21 | 1973-12-21 | Gas mixtures for heat treating steel - esp. for controlled carburisation |
Country Status (2)
Country | Link |
---|---|
BE (1) | BE823648A (fr) |
FR (1) | FR2271295A1 (fr) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2439241A1 (fr) * | 1978-10-19 | 1980-05-16 | Trw Inc | Procede de reglage, a l'aide du debit d'introduction d'un vehicule gazeux inerte, du traitement thermique tel que la carbonitruration, la cementation ou le recuit d'objets ferreux |
FR2595801A1 (fr) * | 1986-03-12 | 1987-09-18 | Innovatique Sa | Procede et dispositif pour l'elaboration d'un melange gazeux apte a assurer une atmosphere de traitement dans un four de traitement thermochimique par bombardement ionique |
FR2777911A1 (fr) * | 1998-04-28 | 1999-10-29 | Aubert & Duval Sa | Procede de carbonitruration a basse pression de pieces en alliage metallique |
WO2003097893A1 (fr) * | 2002-05-15 | 2003-11-27 | Linde Aktiengesellschaft | Procede et dispositif de traitement thermique de pieces metalliques |
US8303731B2 (en) | 2005-04-19 | 2012-11-06 | Ecm Technologies | Low pressure carbonitriding method and device |
CN117230403A (zh) * | 2023-11-10 | 2023-12-15 | 烟台福尔精密机械有限公司 | 一种用于共轨喷油器加工的渗碳热处理控制系统 |
-
1973
- 1973-12-21 FR FR7345946A patent/FR2271295A1/fr active Granted
-
1974
- 1974-12-20 BE BE151752A patent/BE823648A/fr not_active IP Right Cessation
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2439241A1 (fr) * | 1978-10-19 | 1980-05-16 | Trw Inc | Procede de reglage, a l'aide du debit d'introduction d'un vehicule gazeux inerte, du traitement thermique tel que la carbonitruration, la cementation ou le recuit d'objets ferreux |
FR2595801A1 (fr) * | 1986-03-12 | 1987-09-18 | Innovatique Sa | Procede et dispositif pour l'elaboration d'un melange gazeux apte a assurer une atmosphere de traitement dans un four de traitement thermochimique par bombardement ionique |
FR2777911A1 (fr) * | 1998-04-28 | 1999-10-29 | Aubert & Duval Sa | Procede de carbonitruration a basse pression de pieces en alliage metallique |
WO1999055928A1 (fr) * | 1998-04-28 | 1999-11-04 | Aubert & Duval | Procede de carbonitruration a basse pression de pieces en alliage metallique |
WO2003097893A1 (fr) * | 2002-05-15 | 2003-11-27 | Linde Aktiengesellschaft | Procede et dispositif de traitement thermique de pieces metalliques |
US8303731B2 (en) | 2005-04-19 | 2012-11-06 | Ecm Technologies | Low pressure carbonitriding method and device |
US8784575B2 (en) | 2005-04-19 | 2014-07-22 | Ecm Technologies | Low pressure carbonitriding method and device |
EP1885904B2 (fr) † | 2005-04-19 | 2017-02-01 | Ecm Technologies | Procede de carbonitruration a basse pression |
CN117230403A (zh) * | 2023-11-10 | 2023-12-15 | 烟台福尔精密机械有限公司 | 一种用于共轨喷油器加工的渗碳热处理控制系统 |
CN117230403B (zh) * | 2023-11-10 | 2024-01-09 | 烟台福尔精密机械有限公司 | 一种用于共轨喷油器加工的渗碳热处理控制系统 |
Also Published As
Publication number | Publication date |
---|---|
FR2271295B1 (fr) | 1978-09-08 |
BE823648A (fr) | 1975-06-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |