GB1351162A - Soft-nitriding procedure for steel and cast iron - Google Patents
Soft-nitriding procedure for steel and cast ironInfo
- Publication number
- GB1351162A GB1351162A GB3242871A GB3242871A GB1351162A GB 1351162 A GB1351162 A GB 1351162A GB 3242871 A GB3242871 A GB 3242871A GB 3242871 A GB3242871 A GB 3242871A GB 1351162 A GB1351162 A GB 1351162A
- Authority
- GB
- United Kingdom
- Prior art keywords
- steel
- soft
- cast iron
- nitriding procedure
- iron
- 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
- 229910000831 Steel Inorganic materials 0.000 title abstract 3
- 239000010959 steel Substances 0.000 title abstract 3
- 229910001018 Cast iron Inorganic materials 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 238000005121 nitriding Methods 0.000 title 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 4
- 229910021529 ammonia Inorganic materials 0.000 abstract 2
- 229910052742 iron Inorganic materials 0.000 abstract 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
- 238000005256 carbonitriding Methods 0.000 abstract 1
- 238000010494 dissociation reaction Methods 0.000 abstract 1
- 230000005593 dissociations Effects 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 229910052760 oxygen Inorganic materials 0.000 abstract 1
- 239000001301 oxygen Substances 0.000 abstract 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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO6386470 | 1970-07-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1351162A true GB1351162A (en) | 1974-04-24 |
Family
ID=20087940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3242871A Expired GB1351162A (en) | 1970-07-09 | 1971-07-09 | Soft-nitriding procedure for steel and cast iron |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3705058A (https=) |
| DE (1) | DE2133284C3 (https=) |
| FR (1) | FR2098281B1 (https=) |
| GB (1) | GB1351162A (https=) |
| HU (1) | HU163105B (https=) |
Families Citing this family (7)
| 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 |
| 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 |
| US4108693A (en) * | 1974-12-19 | 1978-08-22 | 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 |
| US4366008A (en) * | 1979-02-09 | 1982-12-28 | Kabushiki Kaisha Fujikoshi | Method for hardening steel |
| JP4500708B2 (ja) * | 2005-02-25 | 2010-07-14 | 住友金属工業株式会社 | 非調質鋼軟窒化処理部品 |
| JP6217840B2 (ja) * | 2014-03-13 | 2017-10-25 | 新日鐵住金株式会社 | 窒化処理方法、及び、窒化部品の製造方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB395337A (en) * | 1930-11-01 | 1933-07-13 | Krupp Ag | Improvements in processes for hardening iron, steel, and cast iron, alloys by nitrogenising |
-
1971
- 1971-07-05 DE DE2133284A patent/DE2133284C3/de not_active Expired
- 1971-07-07 US US160523A patent/US3705058A/en not_active Expired - Lifetime
- 1971-07-08 FR FR7125038A patent/FR2098281B1/fr not_active Expired
- 1971-07-09 GB GB3242871A patent/GB1351162A/en not_active Expired
- 1971-07-09 HU HUFA893A patent/HU163105B/hu unknown
Also Published As
| Publication number | Publication date |
|---|---|
| HU163105B (https=) | 1973-06-28 |
| US3705058A (en) | 1972-12-05 |
| FR2098281B1 (https=) | 1975-10-10 |
| DE2133284A1 (de) | 1972-02-24 |
| DE2133284B2 (de) | 1975-04-24 |
| FR2098281A1 (https=) | 1972-03-10 |
| DE2133284C3 (de) | 1975-11-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |