NO832957L - Fremgangsmaate ved fremstilling av en gassatmosfaere for gloeding av metalliske arbeidsstykker - Google Patents
Fremgangsmaate ved fremstilling av en gassatmosfaere for gloeding av metalliske arbeidsstykkerInfo
- Publication number
- NO832957L NO832957L NO832957A NO832957A NO832957L NO 832957 L NO832957 L NO 832957L NO 832957 A NO832957 A NO 832957A NO 832957 A NO832957 A NO 832957A NO 832957 L NO832957 L NO 832957L
- Authority
- NO
- Norway
- Prior art keywords
- gas
- nitrogen
- annealing
- hydrogen
- ammonia
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 18
- 238000004519 manufacturing process Methods 0.000 title claims description 5
- 239000007789 gas Substances 0.000 claims description 27
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 24
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 20
- 238000000137 annealing Methods 0.000 claims description 18
- 239000000203 mixture Substances 0.000 claims description 18
- 239000001257 hydrogen Substances 0.000 claims description 15
- 229910052739 hydrogen Inorganic materials 0.000 claims description 15
- 229910021529 ammonia Inorganic materials 0.000 claims description 12
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 10
- 229910052757 nitrogen Inorganic materials 0.000 claims description 10
- 239000011261 inert gas Substances 0.000 claims description 5
- 238000003421 catalytic decomposition reaction Methods 0.000 claims description 3
- 229930195733 hydrocarbon Natural products 0.000 claims description 2
- 150000002430 hydrocarbons Chemical class 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 description 5
- 230000004992 fission Effects 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 150000002431 hydrogen Chemical class 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229910001060 Gray iron Inorganic materials 0.000 description 1
- CVTZKFWZDBJAHE-UHFFFAOYSA-N [N].N Chemical compound [N].N CVTZKFWZDBJAHE-UHFFFAOYSA-N 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- -1 ferrous metals Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- MOFOBJHOKRNACT-UHFFFAOYSA-N nickel silver Chemical compound [Ni].[Ag] MOFOBJHOKRNACT-UHFFFAOYSA-N 0.000 description 1
- 239000010956 nickel silver Substances 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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 (de) | 1982-08-18 | 1982-08-18 | Verfahren zum herstellen einer gasatmosphaere fuer das gluehen metallischer werkstuecke |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO832957L true NO832957L (no) | 1984-02-20 |
Family
ID=6171137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO832957A NO832957L (no) | 1982-08-18 | 1983-08-17 | Fremgangsmaate ved fremstilling av en gassatmosfaere for gloeding av metalliske arbeidsstykker |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP0106961B1 (de) |
| AT (1) | AT376703B (de) |
| AU (1) | AU1796983A (de) |
| BR (1) | BR8301377A (de) |
| DE (2) | DE3230723A1 (de) |
| NO (1) | NO832957L (de) |
| ZA (1) | ZA836052B (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3440876A1 (de) * | 1984-11-08 | 1986-05-15 | Linde Ag, 6200 Wiesbaden | Verfahren und vorrichtung zum herstellen einer schutzgasatmosphaere |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE644980C (de) * | 1930-12-20 | 1937-05-19 | Benno Schilde Maschb Akt Ges | Verfahren zum Blankgluehen von langgestrecktem Arbeitsgut aus Metallen und Ofen zur Ausfuehrung des Verfahrens |
| DE1533964B2 (de) * | 1967-03-23 | 1975-11-13 | Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler, 6000 Frankfurt | Ofen zur Oberflächenbehandlung von Werkstücken in Schutz- oder Trägergas |
| DE2017540C3 (de) * | 1970-04-13 | 1973-01-04 | Varta Ag, 6000 Frankfurt | Verfahren und Vorrichtung zur Spaltung von Ammoniak in Wasserstoff und Stickstoff |
| GB1471880A (en) * | 1973-10-26 | 1977-04-27 | Air Prod & Chem | Furnace atmosphere for the heat treatment of ferrous metal |
| 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 (de) * | 1976-04-24 | 1977-11-10 | Eschweiler Bergwerksverein | Verfahren zur erzeugung von schutzgas |
| GB1575342A (en) * | 1977-04-27 | 1980-09-17 | Air Prod & Chem | Production of furnace atmospheres for the heat treatment of ferrous metals |
-
1982
- 1982-08-18 DE DE19823230723 patent/DE3230723A1/de not_active Withdrawn
- 1982-12-20 AT AT0460482A patent/AT376703B/de not_active IP Right Cessation
-
1983
- 1983-03-18 BR BR8301377A patent/BR8301377A/pt unknown
- 1983-08-12 EP EP83108017A patent/EP0106961B1/de not_active Expired
- 1983-08-12 DE DE8383108017T patent/DE3362186D1/de not_active Expired
- 1983-08-15 AU AU17969/83A patent/AU1796983A/en not_active Abandoned
- 1983-08-17 NO NO832957A patent/NO832957L/no unknown
- 1983-08-17 ZA ZA836052A patent/ZA836052B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| EP0106961B1 (de) | 1986-02-19 |
| ATA460482A (de) | 1984-05-15 |
| AU1796983A (en) | 1984-02-23 |
| DE3362186D1 (en) | 1986-03-27 |
| AT376703B (de) | 1984-12-27 |
| BR8301377A (pt) | 1984-04-17 |
| EP0106961A1 (de) | 1984-05-02 |
| DE3230723A1 (de) | 1984-02-23 |
| ZA836052B (en) | 1984-04-25 |
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