RU2015197C1 - Способ азотирования заготовок из стали - Google Patents
Способ азотирования заготовок из стали Download PDFInfo
- Publication number
- RU2015197C1 RU2015197C1 SU5001982A RU2015197C1 RU 2015197 C1 RU2015197 C1 RU 2015197C1 SU 5001982 A SU5001982 A SU 5001982A RU 2015197 C1 RU2015197 C1 RU 2015197C1
- Authority
- RU
- Russia
- Prior art keywords
- nitriding
- ammonia
- nitrogen
- pressure
- mpa
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 title abstract description 13
- 238000005121 nitriding Methods 0.000 title abstract description 13
- 239000010959 steel Substances 0.000 title abstract description 13
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 28
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 14
- 238000006396 nitration reaction Methods 0.000 claims 1
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 7
- 239000000126 substance Substances 0.000 abstract description 2
- 238000005555 metalworking Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 9
- 239000000203 mixture Substances 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
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
- C23C8/24—Nitriding
- C23C8/26—Nitriding of ferrous surfaces
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEP4036381.3 | 1990-11-15 | ||
| DE19904036381 DE4036381C1 (enExample) | 1990-11-15 | 1990-11-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| RU2015197C1 true RU2015197C1 (ru) | 1994-06-30 |
Family
ID=6418307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU5001982 RU2015197C1 (ru) | 1990-11-15 | 1991-11-14 | Способ азотирования заготовок из стали |
Country Status (9)
| Country | Link |
|---|---|
| EP (1) | EP0485686A1 (enExample) |
| JP (1) | JPH076053B2 (enExample) |
| BR (1) | BR9101780A (enExample) |
| CA (1) | CA2055541A1 (enExample) |
| CS (1) | CS336091A3 (enExample) |
| DE (1) | DE4036381C1 (enExample) |
| PL (1) | PL289794A1 (enExample) |
| RU (1) | RU2015197C1 (enExample) |
| YU (1) | YU47730B (enExample) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5292555A (en) * | 1990-07-04 | 1994-03-08 | Degussa Aktiengesellschaft | Process for applying nitride layers to titanium |
| DE4115135C1 (enExample) * | 1991-05-08 | 1992-02-27 | Degussa Ag, 6000 Frankfurt, De | |
| CH690019A5 (de) * | 1992-07-16 | 2000-03-31 | Giroflex Entwicklungs Ag | Traggestell für einen Stuhl, insbesondere für einen in der Höhe und Neigung verstellbaren Bürostuhl. |
| TW237484B (enExample) * | 1992-09-16 | 1995-01-01 | Daido Oxygen | |
| DE4333917C2 (de) * | 1993-10-05 | 1994-06-23 | Hans Prof Dr Ing Berns | Randaufsticken zur Erzeugung einer hochfesten austenitischen Randschicht in nichtrostenden Stählen |
| FR2884879B1 (fr) * | 2005-04-22 | 2007-08-03 | Stephanois Rech Mec | Couple d'organes de guidage dont l'un est en acier particulier conduisant a des performances ameliorees. |
| CN102994939B (zh) * | 2013-01-07 | 2014-08-06 | 聊城市人和精工轴承有限公司 | 一种用于轴承保持器热处理的真空脉冲氮化工艺 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2779697A (en) * | 1955-09-26 | 1957-01-29 | United States Steel Corp | Method of nitriding metallic surfaces |
| FR1319729A (fr) * | 1962-04-12 | 1963-03-01 | P I M Prodotti Per L Ind Metal | Procédé et four de traitement en phase gazeuse, de cémentation, nitruration et analogue sur des pièces métalliques |
| GB1510158A (en) * | 1976-07-09 | 1978-05-10 | Rolls Royce Motors Ltd | Nitriding of steel |
| GB2055404B (en) * | 1979-06-26 | 1983-02-16 | Lucas Industries Ltd | Gas nitriding steel |
-
1990
- 1990-11-15 DE DE19904036381 patent/DE4036381C1/de not_active Expired - Lifetime
-
1991
- 1991-03-16 EP EP91104103A patent/EP0485686A1/de not_active Ceased
- 1991-03-22 YU YU50691A patent/YU47730B/sh unknown
- 1991-04-09 PL PL28979491A patent/PL289794A1/xx unknown
- 1991-05-03 BR BR9101780A patent/BR9101780A/pt not_active Application Discontinuation
- 1991-11-06 CS CS913360A patent/CS336091A3/cs unknown
- 1991-11-12 JP JP29545091A patent/JPH076053B2/ja not_active Expired - Fee Related
- 1991-11-14 RU SU5001982 patent/RU2015197C1/ru active
- 1991-11-14 CA CA 2055541 patent/CA2055541A1/en not_active Abandoned
Non-Patent Citations (1)
| Title |
|---|
| Патент США N 2779697, кл. C 23C 11/16, 1957. * |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04268063A (ja) | 1992-09-24 |
| PL289794A1 (en) | 1992-06-01 |
| YU47730B (sh) | 1996-01-08 |
| EP0485686A1 (de) | 1992-05-20 |
| BR9101780A (pt) | 1992-06-23 |
| CS336091A3 (en) | 1992-06-17 |
| JPH076053B2 (ja) | 1995-01-25 |
| DE4036381C1 (enExample) | 1991-08-14 |
| CA2055541A1 (en) | 1992-05-16 |
| YU50691A (sh) | 1993-11-16 |
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