CA1258609A - Procede de nitruration superficielle - Google Patents
Procede de nitruration superficielleInfo
- Publication number
- CA1258609A CA1258609A CA000489938A CA489938A CA1258609A CA 1258609 A CA1258609 A CA 1258609A CA 000489938 A CA000489938 A CA 000489938A CA 489938 A CA489938 A CA 489938A CA 1258609 A CA1258609 A CA 1258609A
- Authority
- CA
- Canada
- Prior art keywords
- order
- magnitude
- preferred
- furnace
- workpieces
- 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
- 238000000034 method Methods 0.000 title claims abstract description 30
- 239000007789 gas Substances 0.000 claims abstract description 13
- 239000004576 sand Substances 0.000 claims abstract description 9
- 239000000203 mixture Substances 0.000 claims abstract description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 51
- 229910052757 nitrogen Inorganic materials 0.000 claims description 26
- 229910052751 metal Inorganic materials 0.000 claims description 18
- 239000002184 metal Substances 0.000 claims description 18
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 14
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 10
- 238000005260 corrosion Methods 0.000 claims description 8
- 230000007797 corrosion Effects 0.000 claims description 8
- 229910021529 ammonia Inorganic materials 0.000 claims description 7
- 239000003345 natural gas Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 239000003209 petroleum derivative Substances 0.000 claims 3
- 238000009835 boiling Methods 0.000 claims 2
- 239000011248 coating agent Substances 0.000 claims 2
- 239000008199 coating composition Substances 0.000 claims 2
- 238000000576 coating method Methods 0.000 claims 2
- 238000007710 freezing Methods 0.000 claims 2
- 230000008014 freezing Effects 0.000 claims 2
- 238000010438 heat treatment Methods 0.000 claims 2
- 239000011236 particulate material Substances 0.000 claims 2
- 238000011084 recovery Methods 0.000 claims 2
- 239000011369 resultant mixture Substances 0.000 claims 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen(.) Chemical compound [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims 1
- 230000000717 retained effect Effects 0.000 claims 1
- 238000005121 nitriding Methods 0.000 abstract 1
- 238000009792 diffusion process Methods 0.000 description 7
- 238000005256 carbonitriding Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 150000004767 nitrides Chemical class 0.000 description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
- XUKUURHRXDUEBC-KAYWLYCHSA-N Atorvastatin Chemical compound C=1C=CC=CC=1C1=C(C=2C=CC(F)=CC=2)N(CC[C@@H](O)C[C@@H](O)CC(O)=O)C(C(C)C)=C1C(=O)NC1=CC=CC=C1 XUKUURHRXDUEBC-KAYWLYCHSA-N 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 235000019589 hardness Nutrition 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 238000003466 welding Methods 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
-
- 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
- C21D1/34—Methods of heating
- C21D1/53—Heating in fluidised beds
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US64656484A | 1984-09-04 | 1984-09-04 | |
| US646,564 | 1984-09-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1258609A true CA1258609A (fr) | 1989-08-22 |
Family
ID=24593539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000489938A Expired CA1258609A (fr) | 1984-09-04 | 1985-09-03 | Procede de nitruration superficielle |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0192745A1 (fr) |
| AU (1) | AU4780085A (fr) |
| CA (1) | CA1258609A (fr) |
| WO (1) | WO1986001541A1 (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3718240C1 (de) * | 1987-05-30 | 1988-01-14 | Ewald Schwing | Verfahren zur Waermebehandlung von metallischen Werkstuecken in einer gasdurchstroemten Wirbelschicht |
| US5316594A (en) * | 1990-01-18 | 1994-05-31 | Fike Corporation | Process for surface hardening of refractory metal workpieces |
| EP1904661A4 (fr) | 2005-07-21 | 2010-12-29 | Hard Technologies Pty Ltd | Traitement de surface duplex d objets métalliques |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1600086A (fr) * | 1968-12-30 | 1970-07-20 | ||
| US4249889A (en) * | 1979-06-05 | 1981-02-10 | Kemp Willard E | Method and apparatus for preheating, positioning and holding objects |
| US4410373A (en) * | 1981-09-30 | 1983-10-18 | Kemp Willard E | Process for heat treatment of a metal workpiece |
-
1985
- 1985-09-03 CA CA000489938A patent/CA1258609A/fr not_active Expired
- 1985-09-04 WO PCT/US1985/001687 patent/WO1986001541A1/fr not_active Ceased
- 1985-09-04 EP EP19850904552 patent/EP0192745A1/fr not_active Withdrawn
- 1985-09-04 AU AU47800/85A patent/AU4780085A/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| AU4780085A (en) | 1986-03-24 |
| EP0192745A1 (fr) | 1986-09-03 |
| WO1986001541A1 (fr) | 1986-03-13 |
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| Labonek | Soft Annealing of Steel For Antifriction Bearings, Especially of the CSN 14 209 Type |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |