FR2725015B1 - Four utilisable pour la nitruration a basse pression d'une piece metallique - Google Patents
Four utilisable pour la nitruration a basse pression d'une piece metalliqueInfo
- Publication number
- FR2725015B1 FR2725015B1 FR9411483A FR9411483A FR2725015B1 FR 2725015 B1 FR2725015 B1 FR 2725015B1 FR 9411483 A FR9411483 A FR 9411483A FR 9411483 A FR9411483 A FR 9411483A FR 2725015 B1 FR2725015 B1 FR 2725015B1
- Authority
- FR
- France
- Prior art keywords
- nitruration
- oven
- low pressure
- metal part
- metal
- 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
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
- 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
- C23C8/36—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 using ionised gases, e.g. ionitriding
- C23C8/38—Treatment 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)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9411483A FR2725015B1 (fr) | 1994-09-23 | 1994-09-23 | Four utilisable pour la nitruration a basse pression d'une piece metallique |
PCT/FR1995/000522 WO1995029269A1 (fr) | 1994-04-22 | 1995-04-21 | Procede pour la nitruration a basse pression d'une piece metallique et four pour la mise en ×uvre dudit procede |
DE69515588T DE69515588T2 (de) | 1994-04-22 | 1995-04-21 | Procede pour la nitruration a basse pression d'une piece metallique et four pour la mise en oeuvre dudit procede |
DE0707661T DE707661T1 (de) | 1994-04-22 | 1995-04-21 | Verfahren und ofen zum nitrieren von metallischen formteilen bei niedrigen druck |
EP95918040A EP0707661B1 (fr) | 1994-04-22 | 1995-04-21 | Procede pour la nitruration a basse pression d'une piece metallique et four pour la mise en uvre dudit procede |
TW84105155A TW279902B (fr) | 1994-04-22 | 1995-05-23 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9411483A FR2725015B1 (fr) | 1994-09-23 | 1994-09-23 | Four utilisable pour la nitruration a basse pression d'une piece metallique |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2725015A1 FR2725015A1 (fr) | 1996-03-29 |
FR2725015B1 true FR2725015B1 (fr) | 1996-12-20 |
Family
ID=9467289
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9411483A Expired - Lifetime FR2725015B1 (fr) | 1994-04-22 | 1994-09-23 | Four utilisable pour la nitruration a basse pression d'une piece metallique |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2725015B1 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1069203B1 (fr) * | 1999-06-08 | 2003-12-03 | Jean-Michel Crevoiserat | Sonde pour réguler en continu l'atmosphère gazeuse dans les processus de nitruration ou de nitrocarburation dans les fours à atmosphère ou basse pression |
EP1059364A1 (fr) * | 1999-06-08 | 2000-12-13 | Jean-Michel Crevoiserat | Sonde pour réguler l'atmosphère gazeuse dans les processus de nitruration ou de nitrocarburation dans les fours à atmosphère ou basse pression |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB564841A (en) * | 1943-02-13 | 1944-10-16 | John Fallon | Improvements in furnaces heated by gaseous or liquid fuels |
US2803449A (en) * | 1953-10-21 | 1957-08-20 | Nat Forge & Ordnance Company | Apparatus for nitriding crankshafts |
US2789930A (en) * | 1954-10-11 | 1957-04-23 | William F Engelhard | Method of nitriding ferrous alloys |
FR2264891B1 (fr) * | 1974-03-19 | 1977-10-07 | Michel Henri | |
SE7700229L (sv) * | 1976-01-22 | 1977-07-23 | Western Electric Co | Forfarande for beleggning av substrat genom utfellning fran ett plasma |
DE3705710A1 (de) * | 1986-02-24 | 1987-08-27 | Ohara Co | Verfahren zum nitrieren der oberflaeche von formteilen aus titan und vorrichtung zur nitrierbehandlung |
US4926793A (en) * | 1986-12-15 | 1990-05-22 | Shin-Etsu Handotai Co., Ltd. | Method of forming thin film and apparatus therefor |
US5039357A (en) * | 1990-06-15 | 1991-08-13 | Dynamic Metal Treating, Inc. | Method for nitriding and nitrocarburizing rifle barrels in a fluidized bed furnace |
FR2674618B1 (fr) * | 1991-03-27 | 1998-03-13 | Etudes Const Mecaniques | Procede et four de nitruration. |
-
1994
- 1994-09-23 FR FR9411483A patent/FR2725015B1/fr not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR2725015A1 (fr) | 1996-03-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
SG86296A1 (en) | "laminated metal sheet" | |
IT1240989B (it) | Procedimento ed apparecchiatura per la colata in controgravita' di metalli, particolarmente metalli reattivi | |
DE69322085D1 (de) | Metall Formen | |
EP0490386A3 (en) | Gas die cylinders | |
IT8121206A0 (it) | Piastre composite in leghe d'alluminio. | |
DK87485A (da) | Modificeret hvede ''b''-stivelses klaebemiddel til brug ved fremstillingaf boelgepap | |
ITMI930849A0 (it) | Procedimento per l'applicazione di interstrati metallici | |
GB8314981D0 (en) | Anaesthetist's gas pollution inhibitor | |
ITTO911026A1 (it) | Stampo modello per la misurazione di valori di parametri inerenti l'imbutitura di fogli di lamiera e procedimento che lo utilizza. | |
ATA172190A (de) | Schubladen-seitenwandprofil aus metall | |
NO920205D0 (no) | Endelukning i en installasjon for kontinuerlig stoeping avmetall mellom valser | |
FR2725015B1 (fr) | Four utilisable pour la nitruration a basse pression d'une piece metallique | |
GB9317720D0 (en) | Mould fluxes and their use in the continuous casting of steel | |
IT228442Y1 (it) | Corpo scaldante in lega d'alluminio | |
DE69515588T2 (de) | Procede pour la nitruration a basse pression d'une piece metallique et four pour la mise en oeuvre dudit procede | |
ITMI941480A0 (it) | Procedimento per l'applicazione di rivestimenti antiaderenti e termoresistenti a lamiere di alluminio | |
GB8916630D0 (en) | Improvements in or relating to metal deformation | |
FR2498447B1 (fr) | Culotte de miction pour femme | |
FR2458597B1 (fr) | Alliage a base de fer et d'aluminium | |
FI902835A0 (fi) | Jatkuvatoiminen puristin | |
GB2291201B (en) | Improvement in or relating to the sensing of molten metal | |
AU634275B2 (en) | Device for the continuous casting of molten metal between two parallel rolls | |
FR2669937B1 (fr) | Acier inoxydable utilisable notamment pour la realisation de revetement d'outils travaillant a chaud et outils comportant un revetement en un tel acier inoxydable. | |
GB9122513D0 (en) | Metal working fluid | |
GB9404109D0 (en) | Lubrication of casting rolls |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
CD | Change of name or company name | ||
TP | Transmission of property | ||
CD | Change of name or company name |