GB1367687A - Method of hardening the surface of workpieces made of iron and steel - Google Patents
Method of hardening the surface of workpieces made of iron and steelInfo
- Publication number
- GB1367687A GB1367687A GB4126471A GB4126471A GB1367687A GB 1367687 A GB1367687 A GB 1367687A GB 4126471 A GB4126471 A GB 4126471A GB 4126471 A GB4126471 A GB 4126471A GB 1367687 A GB1367687 A GB 1367687A
- Authority
- GB
- United Kingdom
- Prior art keywords
- stage
- treatment
- nitriding
- glow discharge
- 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
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title abstract 4
- 229910000831 Steel Inorganic materials 0.000 title abstract 2
- 229910052742 iron Inorganic materials 0.000 title abstract 2
- 239000010959 steel Substances 0.000 title abstract 2
- 238000005121 nitriding Methods 0.000 abstract 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract 2
- 239000007789 gas Substances 0.000 abstract 1
- 229910052757 nitrogen Inorganic materials 0.000 abstract 1
- 238000004904 shortening Methods 0.000 abstract 1
- 150000003609 titanium compounds Chemical class 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
- C23C8/36—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
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 |
|---|---|---|---|
| CH1336670 | 1970-09-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1367687A true GB1367687A (en) | 1974-09-18 |
Family
ID=4391800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4126471A Expired GB1367687A (en) | 1970-09-08 | 1971-09-03 | Method of hardening the surface of workpieces made of iron and steel |
Country Status (10)
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2153488A (en) * | 1984-01-23 | 1985-08-21 | Nippon Piston Ring Co Ltd | Nitrided steel piston ring |
| GB2196993A (en) * | 1986-10-29 | 1988-05-11 | Electricity Council | Method and apparatus for thermochemical treatment |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5868878A (en) * | 1993-08-27 | 1999-02-09 | Hughes Electronics Corporation | Heat treatment by plasma electron heating and solid/gas jet cooling |
| DE59808370D1 (de) * | 1998-09-10 | 2003-06-18 | Mms Marine Motor Service | Verfahren zum Härten von Kolbenkronen und Kolbenkrone |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL163085B (nl) * | 1950-08-03 | Siemens Ag | Schakelinrichting voor het overdragen van berichten over een uit verscheidene parallel geschakelde lijnen bestaande overdrachtsweg. | |
| US3536602A (en) * | 1967-01-27 | 1970-10-27 | Gen Electric | Glow inhibiting method for glow discharge apparatus |
-
1970
- 1970-09-08 CH CH545859D patent/CH545859A/xx not_active IP Right Cessation
-
1971
- 1971-09-03 GB GB4126471A patent/GB1367687A/en not_active Expired
- 1971-09-03 DE DE19712144238 patent/DE2144238C3/de not_active Expired
- 1971-09-06 FR FR7132122A patent/FR2106363B1/fr not_active Expired
- 1971-09-07 BE BE772299A patent/BE772299A/xx unknown
- 1971-09-07 AT AT777071A patent/AT320707B/de not_active IP Right Cessation
- 1971-09-07 CA CA122,206A patent/CA945048A/en not_active Expired
- 1971-09-07 LU LU63856D patent/LU63856A1/xx unknown
- 1971-09-07 SE SE1131271A patent/SE370553B/xx unknown
- 1971-09-08 NL NL7112384A patent/NL7112384A/xx unknown
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2153488A (en) * | 1984-01-23 | 1985-08-21 | Nippon Piston Ring Co Ltd | Nitrided steel piston ring |
| GB2196993A (en) * | 1986-10-29 | 1988-05-11 | Electricity Council | Method and apparatus for thermochemical treatment |
| US4900371A (en) * | 1986-10-29 | 1990-02-13 | The Electricity Council | Method and apparatus for thermochemical treatment |
| GB2196993B (en) * | 1986-10-29 | 1991-04-03 | Electricity Council | Method and apparatus for thermochemical treatment |
Also Published As
| Publication number | Publication date |
|---|---|
| CH545859A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-02-15 |
| DE2144238B2 (de) | 1975-01-16 |
| DE2144238A1 (de) | 1972-03-16 |
| SE370553B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-10-21 |
| AT320707B (de) | 1975-02-25 |
| FR2106363A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-05-05 |
| NL7112384A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-03-10 |
| FR2106363B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-03-29 |
| DE2144238C3 (de) | 1975-09-04 |
| CA945048A (en) | 1974-04-09 |
| BE772299A (fr) | 1972-03-16 |
| LU63856A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-03-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |