DE3071126D1 - Process for the adjustable carburizing or heating in a protective gas of steel work pieces - Google Patents
Process for the adjustable carburizing or heating in a protective gas of steel work piecesInfo
- Publication number
- DE3071126D1 DE3071126D1 DE8080107178T DE3071126T DE3071126D1 DE 3071126 D1 DE3071126 D1 DE 3071126D1 DE 8080107178 T DE8080107178 T DE 8080107178T DE 3071126 T DE3071126 T DE 3071126T DE 3071126 D1 DE3071126 D1 DE 3071126D1
- Authority
- DE
- Germany
- Prior art keywords
- carburizing
- adjustable
- heating
- protective gas
- work pieces
- 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
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
- C23C8/20—Carburising
- C23C8/22—Carburising of ferrous surfaces
-
- 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)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1130379A CH643597A5 (en) | 1979-12-20 | 1979-12-20 | METHOD FOR ADJUSTABLE CARBONING OR HEATING IN PROTECTIVE GAS FROM WORKPIECE STEEL. |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3071126D1 true DE3071126D1 (en) | 1985-10-31 |
Family
ID=4372157
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3019830A Expired DE3019830C2 (en) | 1979-12-20 | 1980-05-23 | Process for carburizing and heating workpieces made of steel in a controlled furnace atmosphere |
DE8080107178T Expired DE3071126D1 (en) | 1979-12-20 | 1980-11-19 | Process for the adjustable carburizing or heating in a protective gas of steel work pieces |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3019830A Expired DE3019830C2 (en) | 1979-12-20 | 1980-05-23 | Process for carburizing and heating workpieces made of steel in a controlled furnace atmosphere |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP0031034B1 (en) |
JP (1) | JPS5696070A (en) |
BR (1) | BR8008362A (en) |
CH (1) | CH643597A5 (en) |
DE (2) | DE3019830C2 (en) |
FR (1) | FR2472034B1 (en) |
GB (1) | GB2066301B (en) |
IT (1) | IT1149924B (en) |
SU (1) | SU1261567A3 (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4415378A (en) * | 1982-04-22 | 1983-11-15 | Dana Corporation | Case hardening method for steel parts |
FR2527641A1 (en) * | 1982-05-28 | 1983-12-02 | Air Liquide | PROCESS FOR THERMALLY TREATING METALLIC PARTS THROUGH CARBURATION |
US4512821A (en) * | 1982-12-20 | 1985-04-23 | Procedyne Corp. | Method for metal treatment using a fluidized bed |
JPS6372821A (en) * | 1986-09-16 | 1988-04-02 | Osaka Oxygen Ind Ltd | Treatment of metal |
DE3718240C1 (en) * | 1987-05-30 | 1988-01-14 | Ewald Schwing | Process for the heat treatment of metallic workpieces in a gas-flowed fluidized bed |
DE3810775C2 (en) * | 1988-03-30 | 1996-05-23 | Schlafhorst & Co W | Spinning rotor |
DE3830559C1 (en) * | 1988-09-08 | 1989-03-09 | Linde Ag, 6200 Wiesbaden, De | |
DE10307341B4 (en) * | 2003-02-21 | 2006-02-02 | Bayerische Motoren Werke Ag | Support plate for receiving a ring gear |
DE10321414B4 (en) * | 2003-05-13 | 2008-12-18 | Robert Bosch Gmbh | Process for the heat treatment of metallic workpieces in chamber furnaces |
CN109778106A (en) * | 2018-11-14 | 2019-05-21 | 苏州工业园区姑苏科技有限公司 | A kind of control system and adjusting method of the n-formyl sarcolysine alcohol protective atmosphere of meshbeltfurnace |
CN113913731A (en) * | 2021-11-12 | 2022-01-11 | 陕西柴油机重工有限公司 | Press-in type controllable atmosphere generating device |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB816051A (en) * | 1954-12-18 | 1959-07-08 | Renault | Improvements in or relating to a process for preparing a gas suitable for the case hardening of steel |
DE1208148B (en) * | 1959-05-11 | 1965-12-30 | Hurth Masch Zahnrad Carl | Process for carburizing workpieces made of iron |
GB952363A (en) * | 1959-10-07 | 1964-03-18 | Nissan Motor | Heat treatment of steels with a mixed gas of nitrogen and hydrocarbon |
NL126085C (en) * | 1960-06-17 | |||
DE2163476A1 (en) * | 1971-12-21 | 1973-07-12 | Jenaer Glaswerk Schott & Gen | PROCESS FOR INCREASING THE MECHANICAL STRENGTH OF GLASS-METAL FUSIONS BY CARBURIZING IRON AND IRON ALLOYS |
US4035203A (en) * | 1973-12-21 | 1977-07-12 | 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 |
US4049473A (en) * | 1976-03-11 | 1977-09-20 | Airco, Inc. | Methods for carburizing steel parts |
US4175986A (en) * | 1978-10-19 | 1979-11-27 | Trw Inc. | Inert carrier gas heat treating control process |
-
1979
- 1979-12-20 CH CH1130379A patent/CH643597A5/en not_active IP Right Cessation
-
1980
- 1980-05-23 DE DE3019830A patent/DE3019830C2/en not_active Expired
- 1980-11-19 EP EP80107178A patent/EP0031034B1/en not_active Expired
- 1980-11-19 DE DE8080107178T patent/DE3071126D1/en not_active Expired
- 1980-12-12 IT IT26589/80A patent/IT1149924B/en active
- 1980-12-17 GB GB8040423A patent/GB2066301B/en not_active Expired
- 1980-12-19 FR FR8027025A patent/FR2472034B1/en not_active Expired
- 1980-12-19 BR BR8008362A patent/BR8008362A/en not_active IP Right Cessation
- 1980-12-19 SU SU3225001A patent/SU1261567A3/en active
- 1980-12-19 JP JP17905380A patent/JPS5696070A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
EP0031034A1 (en) | 1981-07-01 |
JPS5696070A (en) | 1981-08-03 |
EP0031034B1 (en) | 1985-09-25 |
SU1261567A3 (en) | 1986-09-30 |
CH643597A5 (en) | 1984-06-15 |
IT1149924B (en) | 1986-12-10 |
DE3019830A1 (en) | 1981-07-02 |
FR2472034A1 (en) | 1981-06-26 |
IT8026589A0 (en) | 1980-12-12 |
GB2066301A (en) | 1981-07-08 |
JPS6350430B2 (en) | 1988-10-07 |
BR8008362A (en) | 1981-07-07 |
GB2066301B (en) | 1984-01-25 |
DE3019830C2 (en) | 1983-03-24 |
FR2472034B1 (en) | 1986-05-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |