PT92615A - Processo e instalacao para o tratamento termico de cementacao, carbonitruracao ou aquecimento antes da tempera de pecas metalicas - Google Patents
Processo e instalacao para o tratamento termico de cementacao, carbonitruracao ou aquecimento antes da tempera de pecas metalicasInfo
- Publication number
- PT92615A PT92615A PT92615A PT9261589A PT92615A PT 92615 A PT92615 A PT 92615A PT 92615 A PT92615 A PT 92615A PT 9261589 A PT9261589 A PT 9261589A PT 92615 A PT92615 A PT 92615A
- Authority
- PT
- Portugal
- Prior art keywords
- cementation
- carbonitruration
- season
- installation
- thermal treatment
- Prior art date
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
-
- 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
- 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)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
- Furnace Details (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
- Resistance Heating (AREA)
- Meat, Egg Or Seafood Products (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8816792A FR2640646B1 (fr) | 1988-12-20 | 1988-12-20 | Procede et installation de traitement thermique de cementation, carbonitruration ou chauffage avant trempe de pieces metalliques |
Publications (2)
Publication Number | Publication Date |
---|---|
PT92615A true PT92615A (pt) | 1990-06-29 |
PT92615B PT92615B (pt) | 1995-09-12 |
Family
ID=9373150
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PT92615A PT92615B (pt) | 1988-12-20 | 1989-12-19 | Processo e instalacao para o tratamento termico de cementacao, carbonitruracao ou aquecimento antes da tempera de pecas metalicas |
Country Status (11)
Country | Link |
---|---|
US (1) | US5045126A (pt) |
EP (1) | EP0375491B1 (pt) |
JP (1) | JPH02217459A (pt) |
AT (1) | ATE104361T1 (pt) |
AU (1) | AU625618B2 (pt) |
CA (1) | CA2005823C (pt) |
DE (1) | DE68914624T2 (pt) |
ES (1) | ES2050834T3 (pt) |
FR (1) | FR2640646B1 (pt) |
PT (1) | PT92615B (pt) |
ZA (1) | ZA899627B (pt) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5298090A (en) * | 1992-12-22 | 1994-03-29 | Air Products And Chemicals, Inc. | Atmospheres for heat treating non-ferrous metals and alloys |
US5348592A (en) * | 1993-02-01 | 1994-09-20 | Air Products And Chemicals, Inc. | Method of producing nitrogen-hydrogen atmospheres for metals processing |
DE4400391A1 (de) * | 1994-01-08 | 1995-07-13 | Messer Griesheim Gmbh | Verfahren zur Vermeidung von Randoxidation beim Aufkohlen von Stählen |
NZ314334A (en) * | 1996-04-19 | 1997-09-22 | Boc Group Inc | Method of heat treating a metal with nitrogen rich gas preheated and then having oxygen-reactive gas added |
CN104060265A (zh) * | 2014-06-18 | 2014-09-24 | 滁州市艾德模具设备有限公司 | 热作模具耐高温处理工艺 |
CN110257761B (zh) * | 2019-06-14 | 2021-08-20 | 武汉汇九厨具科技有限公司 | 一种无涂层耐磨防锈不粘铁锅及其制造工艺 |
CN112501544A (zh) * | 2020-08-27 | 2021-03-16 | 苏州新豪轴承股份有限公司 | 轴承零件加工工艺 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2450878A1 (fr) * | 1979-03-05 | 1980-10-03 | Air Liquide | Installation generatrice d'une atmosphere de traitement thermique des metaux |
US4805881A (en) * | 1987-05-28 | 1989-02-21 | Gas Research Institute | Internal gas generator for heat treating furnace |
-
1988
- 1988-12-20 FR FR8816792A patent/FR2640646B1/fr not_active Expired - Fee Related
-
1989
- 1989-12-04 DE DE68914624T patent/DE68914624T2/de not_active Expired - Fee Related
- 1989-12-04 ES ES89403347T patent/ES2050834T3/es not_active Expired - Lifetime
- 1989-12-04 AT AT89403347T patent/ATE104361T1/de not_active IP Right Cessation
- 1989-12-04 EP EP89403347A patent/EP0375491B1/fr not_active Expired - Lifetime
- 1989-12-15 ZA ZA899627A patent/ZA899627B/xx unknown
- 1989-12-18 CA CA002005823A patent/CA2005823C/fr not_active Expired - Fee Related
- 1989-12-18 JP JP1326202A patent/JPH02217459A/ja active Pending
- 1989-12-19 US US07/452,432 patent/US5045126A/en not_active Expired - Fee Related
- 1989-12-19 PT PT92615A patent/PT92615B/pt not_active IP Right Cessation
- 1989-12-20 AU AU47133/89A patent/AU625618B2/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
US5045126A (en) | 1991-09-03 |
FR2640646B1 (fr) | 1993-02-05 |
DE68914624D1 (de) | 1994-05-19 |
ZA899627B (en) | 1990-09-26 |
DE68914624T2 (de) | 1994-07-21 |
AU625618B2 (en) | 1992-07-16 |
ATE104361T1 (de) | 1994-04-15 |
ES2050834T3 (es) | 1994-06-01 |
EP0375491B1 (fr) | 1994-04-13 |
EP0375491A1 (fr) | 1990-06-27 |
PT92615B (pt) | 1995-09-12 |
FR2640646A1 (fr) | 1990-06-22 |
AU4713389A (en) | 1990-06-28 |
JPH02217459A (ja) | 1990-08-30 |
CA2005823A1 (fr) | 1990-06-20 |
CA2005823C (fr) | 1994-12-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG3A | Patent granted, date of granting |
Effective date: 19950510 |
|
MM3A | Annulment or lapse |
Free format text: LAPSE DUE TO NON-PAYMENT OF FEES Effective date: 19981130 |