DE1919208A1 - Verfahren zum Steuern der Nitrierungsneigung eines Aluminiumberuhigten Stahles waehrend des Gluehens - Google Patents
Verfahren zum Steuern der Nitrierungsneigung eines Aluminiumberuhigten Stahles waehrend des GluehensInfo
- Publication number
- DE1919208A1 DE1919208A1 DE19691919208 DE1919208A DE1919208A1 DE 1919208 A1 DE1919208 A1 DE 1919208A1 DE 19691919208 DE19691919208 DE 19691919208 DE 1919208 A DE1919208 A DE 1919208A DE 1919208 A1 DE1919208 A1 DE 1919208A1
- Authority
- DE
- Germany
- Prior art keywords
- atmosphere
- steel
- annealing
- hydrogen
- nitrogen
- 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.)
- Pending
Links
- 238000000137 annealing Methods 0.000 title claims description 23
- 238000000034 method Methods 0.000 title claims description 21
- 229910000655 Killed steel Inorganic materials 0.000 title claims description 6
- 229910052782 aluminium Inorganic materials 0.000 title description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title description 5
- 238000005121 nitriding Methods 0.000 title description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 49
- 229910000831 Steel Inorganic materials 0.000 claims description 31
- 239000010959 steel Substances 0.000 claims description 31
- 239000001257 hydrogen Substances 0.000 claims description 29
- 229910052739 hydrogen Inorganic materials 0.000 claims description 29
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 27
- 229910052757 nitrogen Inorganic materials 0.000 claims description 23
- 239000012298 atmosphere Substances 0.000 claims description 20
- 239000007789 gas Substances 0.000 claims description 13
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 claims 1
- 238000006396 nitration reaction Methods 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 6
- 238000005261 decarburization Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 230000001603 reducing effect Effects 0.000 description 4
- 230000032683 aging Effects 0.000 description 3
- 229910021529 ammonia Inorganic materials 0.000 description 3
- 150000002431 hydrogen Chemical class 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 238000005262 decarbonization Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000012299 nitrogen atmosphere Substances 0.000 description 2
- 125000004433 nitrogen atom Chemical group N* 0.000 description 2
- 235000003913 Coccoloba uvifera Nutrition 0.000 description 1
- 101100286286 Dictyostelium discoideum ipi gene Proteins 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 240000008976 Pterocarpus marsupium Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 235000013405 beer Nutrition 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- -1 ferrous metals Chemical class 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 235000012771 pancakes Nutrition 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000005482 strain hardening Methods 0.000 description 1
- 238000004804 winding Methods 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)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
- Heat Treatment Of Sheet Steel (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US72257468A | 1968-04-19 | 1968-04-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1919208A1 true DE1919208A1 (de) | 1969-10-30 |
Family
ID=24902426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19691919208 Pending DE1919208A1 (de) | 1968-04-19 | 1969-04-16 | Verfahren zum Steuern der Nitrierungsneigung eines Aluminiumberuhigten Stahles waehrend des Gluehens |
Country Status (7)
| Country | Link |
|---|---|
| BE (1) | BE731483A (enrdf_load_stackoverflow) |
| CA (1) | CA933072A (enrdf_load_stackoverflow) |
| DE (1) | DE1919208A1 (enrdf_load_stackoverflow) |
| ES (1) | ES366233A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2006577A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1259847A (enrdf_load_stackoverflow) |
| NL (1) | NL6906067A (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4334938A (en) * | 1980-08-22 | 1982-06-15 | Air Products And Chemicals, Inc. | Inhibited annealing of ferrous metals containing chromium |
| EP2933357A1 (en) * | 2014-04-14 | 2015-10-21 | Haldor Topsøe A/S | Enhancing SOEC system lifetime by controlling inlet gas composition |
| CN115652250B (zh) * | 2022-10-10 | 2023-06-20 | 广东工业大学 | 一种高效高质量渗氮处理方法及其应用 |
-
1969
- 1969-04-11 CA CA048500A patent/CA933072A/en not_active Expired
- 1969-04-14 BE BE731483D patent/BE731483A/xx unknown
- 1969-04-15 GB GB1926669A patent/GB1259847A/en not_active Expired
- 1969-04-16 DE DE19691919208 patent/DE1919208A1/de active Pending
- 1969-04-18 NL NL6906067A patent/NL6906067A/xx unknown
- 1969-04-18 FR FR6912299A patent/FR2006577A1/fr not_active Withdrawn
- 1969-04-19 ES ES366233A patent/ES366233A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL6906067A (enrdf_load_stackoverflow) | 1969-10-21 |
| FR2006577A1 (enrdf_load_stackoverflow) | 1969-12-26 |
| BE731483A (enrdf_load_stackoverflow) | 1969-09-15 |
| CA933072A (en) | 1973-09-04 |
| ES366233A1 (es) | 1971-03-16 |
| GB1259847A (en) | 1972-01-12 |
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