FR2481322A1 - Methode de traitement de pieces en acier par nitruration ionique - Google Patents
Methode de traitement de pieces en acier par nitruration ionique Download PDFInfo
- Publication number
- FR2481322A1 FR2481322A1 FR8009332A FR8009332A FR2481322A1 FR 2481322 A1 FR2481322 A1 FR 2481322A1 FR 8009332 A FR8009332 A FR 8009332A FR 8009332 A FR8009332 A FR 8009332A FR 2481322 A1 FR2481322 A1 FR 2481322A1
- Authority
- FR
- France
- Prior art keywords
- sep
- nitrogen
- valve springs
- steel
- surface hardening
- 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.)
- Granted
Links
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 20
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 10
- 229910000831 Steel Inorganic materials 0.000 title claims description 10
- 239000010959 steel Substances 0.000 title claims description 10
- 238000010849 ion bombardment Methods 0.000 title claims description 4
- 238000010438 heat treatment Methods 0.000 title description 2
- 238000000034 method Methods 0.000 claims abstract description 9
- 150000004767 nitrides Chemical class 0.000 claims abstract description 8
- 238000005121 nitriding Methods 0.000 claims description 7
- 229910000727 Fe4N Inorganic materials 0.000 claims description 4
- 229910000705 Fe2N Inorganic materials 0.000 claims description 3
- 238000009792 diffusion process Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009661 fatigue test Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000001000 micrograph Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005480 shot peening Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000008646 thermal stress Effects 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
- C23C8/36—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 using ionised gases, e.g. ionitriding
- C23C8/38—Treatment of ferrous surfaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/46—Component parts, details, or accessories, not provided for in preceding subgroups
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L3/00—Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
- F01L3/10—Connecting springs to valve members
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
- Springs (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8009332A FR2481322A1 (fr) | 1980-04-25 | 1980-04-25 | Methode de traitement de pieces en acier par nitruration ionique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8009332A FR2481322A1 (fr) | 1980-04-25 | 1980-04-25 | Methode de traitement de pieces en acier par nitruration ionique |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2481322A1 true FR2481322A1 (fr) | 1981-10-30 |
| FR2481322B1 FR2481322B1 (enExample) | 1984-02-03 |
Family
ID=9241352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8009332A Granted FR2481322A1 (fr) | 1980-04-25 | 1980-04-25 | Methode de traitement de pieces en acier par nitruration ionique |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2481322A1 (enExample) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2110290A1 (fr) * | 1970-10-08 | 1972-06-02 | Berghaus Elektrophysik Anst | Procede pour ameliorer la resistance a la fatigue et a l'usure,les proprietes de glissement et la resistance a la corrosion de surfaces de pieces en fer et en acier |
| JPS5114838A (en) * | 1974-07-29 | 1976-02-05 | Togo Seisakusho Kk | Ionchitsukanyoru kotsukaregendobaneno seizohoho |
-
1980
- 1980-04-25 FR FR8009332A patent/FR2481322A1/fr active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2110290A1 (fr) * | 1970-10-08 | 1972-06-02 | Berghaus Elektrophysik Anst | Procede pour ameliorer la resistance a la fatigue et a l'usure,les proprietes de glissement et la resistance a la corrosion de surfaces de pieces en fer et en acier |
| JPS5114838A (en) * | 1974-07-29 | 1976-02-05 | Togo Seisakusho Kk | Ionchitsukanyoru kotsukaregendobaneno seizohoho |
Non-Patent Citations (4)
| Title |
|---|
| CA1976 * |
| CA1977 * |
| EXBK/74 * |
| EXBK/77 * |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2481322B1 (enExample) | 1984-02-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |