DE4036381C1 - - Google Patents
Info
- Publication number
- DE4036381C1 DE4036381C1 DE19904036381 DE4036381A DE4036381C1 DE 4036381 C1 DE4036381 C1 DE 4036381C1 DE 19904036381 DE19904036381 DE 19904036381 DE 4036381 A DE4036381 A DE 4036381A DE 4036381 C1 DE4036381 C1 DE 4036381C1
- Authority
- DE
- Germany
- Prior art keywords
- nitrogen
- nitriding
- ammonia
- pressure
- gas atmosphere
- 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
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 (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19904036381 DE4036381C1 (fr) | 1990-11-15 | 1990-11-15 | |
EP91104103A EP0485686A1 (fr) | 1990-11-15 | 1991-03-16 | Procédé de nitruration sous pression d'articles en acier |
YU50691A YU47730B (sh) | 1990-11-15 | 1991-03-22 | Postupak za nitriranje pod pritiskom radnih komada od čelika |
PL28979491A PL289794A1 (en) | 1990-11-15 | 1991-04-09 | Method of nitriding steel workpieces under pressure |
BR9101780A BR9101780A (pt) | 1990-11-15 | 1991-05-03 | Processo para a nitracao de pecas de trabalho de aco sob pressao |
CS913360A CS336091A3 (en) | 1990-11-15 | 1991-11-06 | Process of nitriding steel workpieces under pressure |
JP29545091A JPH076053B2 (ja) | 1990-11-15 | 1991-11-12 | 加圧下での鋼製工作物の窒化法 |
CA 2055541 CA2055541A1 (fr) | 1990-11-15 | 1991-11-14 | Procede de nitruration de pieces d'acier sous pression |
SU5001982 RU2015197C1 (ru) | 1990-11-15 | 1991-11-14 | Способ азотирования заготовок из стали |
US07/926,023 US5211768A (en) | 1990-11-15 | 1992-08-07 | Method of nitriding work pieces of steel under pressure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19904036381 DE4036381C1 (fr) | 1990-11-15 | 1990-11-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE4036381C1 true DE4036381C1 (fr) | 1991-08-14 |
Family
ID=6418307
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19904036381 Expired - Lifetime DE4036381C1 (fr) | 1990-11-15 | 1990-11-15 |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP0485686A1 (fr) |
JP (1) | JPH076053B2 (fr) |
BR (1) | BR9101780A (fr) |
CA (1) | CA2055541A1 (fr) |
CS (1) | CS336091A3 (fr) |
DE (1) | DE4036381C1 (fr) |
PL (1) | PL289794A1 (fr) |
RU (1) | RU2015197C1 (fr) |
YU (1) | YU47730B (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0588458A1 (fr) * | 1992-09-16 | 1994-03-23 | Daido Hoxan Inc. | Méthode pour la nitruration d'un acier à austénite inoxydable |
EP0652300A1 (fr) * | 1993-10-05 | 1995-05-10 | Hans Prof. Dr.-Ing. Berns | Nitruration superficielle pour la production d'une couche austénitique à résistance élevée dans les aciers inoxydables |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5292555A (en) * | 1990-07-04 | 1994-03-08 | Degussa Aktiengesellschaft | Process for applying nitride layers to titanium |
DE4115135C1 (fr) * | 1991-05-08 | 1992-02-27 | Degussa Ag, 6000 Frankfurt, De | |
CH690019A5 (de) * | 1992-07-16 | 2000-03-31 | Giroflex Entwicklungs Ag | Traggestell für einen Stuhl, insbesondere für einen in der Höhe und Neigung verstellbaren Bürostuhl. |
FR2884879B1 (fr) * | 2005-04-22 | 2007-08-03 | Stephanois Rech Mec | Couple d'organes de guidage dont l'un est en acier particulier conduisant a des performances ameliorees. |
CN102994939B (zh) * | 2013-01-07 | 2014-08-06 | 聊城市人和精工轴承有限公司 | 一种用于轴承保持器热处理的真空脉冲氮化工艺 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2779697A (en) * | 1955-09-26 | 1957-01-29 | United States Steel Corp | Method of nitriding metallic surfaces |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1319729A (fr) * | 1962-04-12 | 1963-03-01 | P I M Prodotti Per L Ind Metal | Procédé et four de traitement en phase gazeuse, de cémentation, nitruration et analogue sur des pièces métalliques |
GB1510158A (en) * | 1976-07-09 | 1978-05-10 | Rolls Royce Motors Ltd | Nitriding of steel |
GB2055404B (en) * | 1979-06-26 | 1983-02-16 | Lucas Industries Ltd | Gas nitriding steel |
-
1990
- 1990-11-15 DE DE19904036381 patent/DE4036381C1/de not_active Expired - Lifetime
-
1991
- 1991-03-16 EP EP91104103A patent/EP0485686A1/fr not_active Ceased
- 1991-03-22 YU YU50691A patent/YU47730B/sh unknown
- 1991-04-09 PL PL28979491A patent/PL289794A1/xx unknown
- 1991-05-03 BR BR9101780A patent/BR9101780A/pt not_active Application Discontinuation
- 1991-11-06 CS CS913360A patent/CS336091A3/cs unknown
- 1991-11-12 JP JP29545091A patent/JPH076053B2/ja not_active Expired - Fee Related
- 1991-11-14 CA CA 2055541 patent/CA2055541A1/fr not_active Abandoned
- 1991-11-14 RU SU5001982 patent/RU2015197C1/ru active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2779697A (en) * | 1955-09-26 | 1957-01-29 | United States Steel Corp | Method of nitriding metallic surfaces |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0588458A1 (fr) * | 1992-09-16 | 1994-03-23 | Daido Hoxan Inc. | Méthode pour la nitruration d'un acier à austénite inoxydable |
US5376188A (en) * | 1992-09-16 | 1994-12-27 | Daidousanso Co., Ltd. | Method of nitriding austenitic stainless steel products |
EP0652300A1 (fr) * | 1993-10-05 | 1995-05-10 | Hans Prof. Dr.-Ing. Berns | Nitruration superficielle pour la production d'une couche austénitique à résistance élevée dans les aciers inoxydables |
CN1058758C (zh) * | 1993-10-05 | 2000-11-22 | 汉斯·博恩 | 不锈钢中形成高强度奥氏体表面层的表面渗氮热处理方法 |
Also Published As
Publication number | Publication date |
---|---|
JPH076053B2 (ja) | 1995-01-25 |
RU2015197C1 (ru) | 1994-06-30 |
PL289794A1 (en) | 1992-06-01 |
YU50691A (sh) | 1993-11-16 |
EP0485686A1 (fr) | 1992-05-20 |
JPH04268063A (ja) | 1992-09-24 |
CA2055541A1 (fr) | 1992-05-16 |
CS336091A3 (en) | 1992-06-17 |
YU47730B (sh) | 1996-01-08 |
BR9101780A (pt) | 1992-06-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4302247A (en) | High strength austenitic stainless steel having good corrosion resistance | |
DE2822224A1 (de) | Rostfreie federbleche, verfahren zu ihrer herstellung und verwendung derselben | |
DE2450879A1 (de) | Verfahren zur waermebehandlung von eisenmetallen | |
DE2934930A1 (de) | Verfahren zur waermebehandlung von gegenstaenden aus eisen | |
DE4036381C1 (fr) | ||
EP0544987A1 (fr) | Procédé de traitement d'acier alliés et de métaux réfractaires | |
DE3042469C2 (de) | Verfahren zum zweistufigen Nitrieren von ggf. Chrom enthaltenden Eisenlegierungen | |
DE69902169T2 (de) | Verfahren zum niederdrück-nitrocarburieren metallischer werkstücke | |
DE10322255A1 (de) | Verfahren zur Hochtemperaturaufkohlung von Stahlteilen | |
EP3737778B1 (fr) | Utilisation d'un élément destiné à être mis en contact avec de l'hydrogène | |
DE1521450C3 (de) | Atmosphäre für das !Carbonitrieren von Baustahl und Gußeisen bei niedrigen Temperaturen | |
DE3810892A1 (de) | Verfahren zur nitrokarburierung und nitrierung von eisenhaltigen oberflaechen | |
EP0160616A2 (fr) | Utilisation d'un acier dans des atmosphères contenant de l'acide sulfhydrique | |
EP0464265B1 (fr) | Procédé de nitruration de titane | |
DE2303756A1 (de) | Verfahren zur erzeugung einer extrem harten mischkarbidschicht auf eisenwerkstoffen zur erhoehung der verschleissfestigkeit | |
EP1160349A1 (fr) | Procédé et appareil de traitement thermique de pièces métalliques | |
DE3143566C2 (de) | Verfahren zur kontinuierlichen Wärmebehandlung von Zirconium- und Titanmetall sowie deren Legierungen | |
DE69614000T2 (de) | Verfahren zum feuerverzinken eines stahlbleches, das oxidierbare legierungselemente enthält | |
DE972787C (de) | Verfahren zur Herstellung von kohlenstoffbestaendigen Schweissdraehten | |
DE2709263A1 (de) | Hochfester stahl fuer das aufchromen durch diffusion | |
DE2605873C2 (de) | Verfahren zur Erhöhung der Abriebfestigkeit von Schreibröhrchen | |
EP0890656B1 (fr) | Procédé de nitruration de surfaces de pièces métalliques | |
DE3827141C1 (en) | Process for alitising objects of austenitic steel or nickel-based alloys | |
DE1019674B (de) | Emaillierbare Staehle mit niedrigem Kohlenstoffgehalt und hoher Festigkeit | |
DE10116762C1 (de) | Korrosionsbeständige Al-Ti-Diffusionsschichten |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8100 | Publication of the examined application without publication of unexamined application | ||
D1 | Grant (no unexamined application published) patent law 81 | ||
8363 | Opposition against the patent | ||
8331 | Complete revocation |