AT376703B - METHOD FOR PRODUCING A NITROGEN AND HYDROGEN-CONTAINING GAS ATMOSPHERES FOR THE GLOWING OF METAL WORKPIECES AND APPLICATION OF THE METHOD - Google Patents
METHOD FOR PRODUCING A NITROGEN AND HYDROGEN-CONTAINING GAS ATMOSPHERES FOR THE GLOWING OF METAL WORKPIECES AND APPLICATION OF THE METHODInfo
- Publication number
- AT376703B AT376703B AT0460482A AT460482A AT376703B AT 376703 B AT376703 B AT 376703B AT 0460482 A AT0460482 A AT 0460482A AT 460482 A AT460482 A AT 460482A AT 376703 B AT376703 B AT 376703B
- Authority
- AT
- Austria
- Prior art keywords
- glowing
- nitrogen
- hydrogen
- producing
- application
- Prior art date
Links
Classifications
-
- 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)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Superconductors And Manufacturing Methods Therefor (AREA)
- Chemical Vapour Deposition (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19823230723 DE3230723A1 (en) | 1982-08-18 | 1982-08-18 | METHOD FOR PRODUCING A GAS ATMOSPHERE FOR THE GLOWING OF METAL WORKPIECES |
Publications (2)
Publication Number | Publication Date |
---|---|
ATA460482A ATA460482A (en) | 1984-05-15 |
AT376703B true AT376703B (en) | 1984-12-27 |
Family
ID=6171137
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT0460482A AT376703B (en) | 1982-08-18 | 1982-12-20 | METHOD FOR PRODUCING A NITROGEN AND HYDROGEN-CONTAINING GAS ATMOSPHERES FOR THE GLOWING OF METAL WORKPIECES AND APPLICATION OF THE METHOD |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0106961B1 (en) |
AT (1) | AT376703B (en) |
AU (1) | AU1796983A (en) |
BR (1) | BR8301377A (en) |
DE (2) | DE3230723A1 (en) |
NO (1) | NO832957L (en) |
ZA (1) | ZA836052B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3440876A1 (en) * | 1984-11-08 | 1986-05-15 | Linde Ag, 6200 Wiesbaden | METHOD AND DEVICE FOR PRODUCING A PROTECTIVE GAS ATMOSPHERE |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1471880A (en) * | 1973-10-26 | 1977-04-27 | Air Prod & Chem | Furnace atmosphere for the heat treatment of ferrous metal |
GB1575342A (en) * | 1977-04-27 | 1980-09-17 | Air Prod & Chem | Production of furnace atmospheres for the heat treatment of ferrous metals |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE644980C (en) * | 1930-12-20 | 1937-05-19 | Benno Schilde Maschb Akt Ges | Process for bright annealing of elongated work material made of metals and furnace to carry out the process |
DE1533964B2 (en) * | 1967-03-23 | 1975-11-13 | Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler, 6000 Frankfurt | Oven for surface treatment of workpieces in protective or carrier gas |
DE2017540C3 (en) * | 1970-04-13 | 1973-01-04 | Varta Ag, 6000 Frankfurt | Method and device for splitting ammonia into hydrogen and nitrogen |
US4049472A (en) * | 1975-12-22 | 1977-09-20 | Air Products And Chemicals, Inc. | Atmosphere compositions and methods of using same for surface treating ferrous metals |
DE2617962A1 (en) * | 1976-04-24 | 1977-11-10 | Eschweiler Bergwerksverein | Protective atmospheres for heat treatment of metals - using mixt. of liq. nitrogen and hydrogen gas to eliminate need for gas generators |
-
1982
- 1982-08-18 DE DE19823230723 patent/DE3230723A1/en not_active Withdrawn
- 1982-12-20 AT AT0460482A patent/AT376703B/en not_active IP Right Cessation
-
1983
- 1983-03-18 BR BR8301377A patent/BR8301377A/en unknown
- 1983-08-12 EP EP83108017A patent/EP0106961B1/en not_active Expired
- 1983-08-12 DE DE8383108017T patent/DE3362186D1/en not_active Expired
- 1983-08-15 AU AU17969/83A patent/AU1796983A/en not_active Abandoned
- 1983-08-17 NO NO832957A patent/NO832957L/en unknown
- 1983-08-17 ZA ZA836052A patent/ZA836052B/en unknown
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1471880A (en) * | 1973-10-26 | 1977-04-27 | Air Prod & Chem | Furnace atmosphere for the heat treatment of ferrous metal |
GB1575342A (en) * | 1977-04-27 | 1980-09-17 | Air Prod & Chem | Production of furnace atmospheres for the heat treatment of ferrous metals |
Also Published As
Publication number | Publication date |
---|---|
ZA836052B (en) | 1984-04-25 |
NO832957L (en) | 1984-02-20 |
EP0106961B1 (en) | 1986-02-19 |
ATA460482A (en) | 1984-05-15 |
DE3362186D1 (en) | 1986-03-27 |
DE3230723A1 (en) | 1984-02-23 |
EP0106961A1 (en) | 1984-05-02 |
BR8301377A (en) | 1984-04-17 |
AU1796983A (en) | 1984-02-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ELJ | Ceased due to non-payment of the annual fee |