FR2182991B3 - - Google Patents
Info
- Publication number
- FR2182991B3 FR2182991B3 FR7314522A FR7314522A FR2182991B3 FR 2182991 B3 FR2182991 B3 FR 2182991B3 FR 7314522 A FR7314522 A FR 7314522A FR 7314522 A FR7314522 A FR 7314522A FR 2182991 B3 FR2182991 B3 FR 2182991B3
- Authority
- FR
- France
- 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
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
- C23C8/28—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
-
- 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
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722221169 DE2221169C3 (de) | 1972-04-29 | Verfahren zum Gasnitrieren von Werkstücken aus vorzugsweise unlegierten und niedrig legierten Stählen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2182991A1 FR2182991A1 (US20070031759A1-20070208-C00026.png) | 1973-12-14 |
| FR2182991B3 true FR2182991B3 (US20070031759A1-20070208-C00026.png) | 1976-04-09 |
Family
ID=5843668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7314522A Expired FR2182991B3 (US20070031759A1-20070208-C00026.png) | 1972-04-29 | 1973-04-20 |
Country Status (4)
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| LU71534A1 (US20070031759A1-20070208-C00026.png) * | 1973-12-21 | 1975-06-17 | ||
| SU679154A3 (ru) * | 1974-06-17 | 1979-08-05 | Мицубиси Дзюкогио Кабусики Кайся (Фирма) | Способ химико-термической обработки металлов |
| US4108693A (en) * | 1974-12-19 | 1978-08-22 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Method for the heat-treatment of steel and for the control of said treatment |
| US3998666A (en) * | 1975-07-30 | 1976-12-21 | United States Steel Corporation | Subscale reaction strengthening of low carbon ferrous metal stock |
| US4264380A (en) * | 1979-11-16 | 1981-04-28 | General Electric Company | Nitride casehardening process and the nitrided product thereof |
| DE3017531A1 (de) * | 1980-05-08 | 1981-11-12 | Kali-Chemie Ag, 3000 Hannover | Verfahren zur verbesserung der thermischen stabilitaet von fluor-chlor-kohlenwasserstoffen |
| EP0376184B1 (en) * | 1988-12-27 | 1995-03-15 | Mitsubishi Chemical Corporation | Process for preparing DL-serine and process for separation and purification of the same |
| WO1992000397A1 (en) * | 1990-06-22 | 1992-01-09 | Evgeny Viktorovich Skidanov | Method for gas nitriding of alloyed steel articles |
| JPH05148612A (ja) * | 1991-11-25 | 1993-06-15 | Nippon Piston Ring Co Ltd | ピストンリングの製造方法 |
| US5298091A (en) * | 1991-12-20 | 1994-03-29 | United Technologies Corporation | Inhibiting coke formation by heat treating in nitrogen atmosphere |
| US5254183A (en) * | 1991-12-20 | 1993-10-19 | United Techynologies Corporation | Gas turbine elements with coke resistant surfaces |
| US7556699B2 (en) * | 2004-06-17 | 2009-07-07 | Cooper Clark Vantine | Method of plasma nitriding of metals via nitrogen charging |
| CN102719829B (zh) * | 2012-02-02 | 2013-09-25 | 山东常林机械集团股份有限公司 | 一种球墨铸铁液压件表面硬化氮化热处理工艺 |
| FR3028530B1 (fr) * | 2014-11-14 | 2020-10-23 | Peugeot Citroen Automobiles Sa | Procede et installation de carbonitruration de piece(s) en acier sous basse pression et haute temperature |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1965798A (en) * | 1930-02-26 | 1934-07-10 | Electro Metallurg Co | Nitriding |
| US2472320A (en) * | 1941-02-05 | 1949-06-07 | Ford Motor Co | Method of heat-treating steel |
-
1973
- 1973-04-10 IT IT49347/73A patent/IT983006B/it active
- 1973-04-20 FR FR7314522A patent/FR2182991B3/fr not_active Expired
- 1973-04-26 US US354731A patent/US3870572A/en not_active Expired - Lifetime
- 1973-05-01 JP JP48047639A patent/JPS4948528A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US3870572A (en) | 1975-03-11 |
| FR2182991A1 (US20070031759A1-20070208-C00026.png) | 1973-12-14 |
| DE2221169A1 (de) | 1973-11-08 |
| IT983006B (it) | 1974-10-31 |
| DE2221169B2 (de) | 1976-09-30 |
| JPS4948528A (US20070031759A1-20070208-C00026.png) | 1974-05-10 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |