JPS5541940A - Ion sulphurizing and nitriding method - Google Patents
Ion sulphurizing and nitriding methodInfo
- Publication number
- JPS5541940A JPS5541940A JP11451078A JP11451078A JPS5541940A JP S5541940 A JPS5541940 A JP S5541940A JP 11451078 A JP11451078 A JP 11451078A JP 11451078 A JP11451078 A JP 11451078A JP S5541940 A JPS5541940 A JP S5541940A
- Authority
- JP
- Japan
- Prior art keywords
- sulphurizing
- nitriding
- mixed gases
- treated
- ion
- 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.)
- Pending
Links
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)
Abstract
PURPOSE:To form the sulphurized and nitrided layer of superior abrasion resistance and self-lubricity on steel plate surfaces by the nitriding the sulphurizing method by glow discharging in the mixed gases of NH3 and H2S or the mixed gases of at least one kind of H2, Ar, He and NH3, H2S with the iron or steel material as cathode. CONSTITUTION:The iron or steel member to be treated is put in an evacuated vessel to make a vacuum in the vessel, after which hydrogen gas is introduced therein and the material to be treated is raised of temperature to 400-600 deg.C by glow discharging. Next, the gas is substituted with the mixed gases of 95 up to 100% of NH3 and 0.01 to 5% of H2S or the mixed gases of 25-100% of NH3, 0.01-5% of H2S and the rest of at least one of Ar, H2, He. With the member to be treated as cathode, the glow discharge is continued in the gases containing NH3, H2S to let nitriding and sulphurizing the simultaneously effected through ion sulphurizing and nitriding. The sulphurized and nitrided layer of superior abrasion resistance and self-lubricity is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11451078A JPS5541940A (en) | 1978-09-20 | 1978-09-20 | Ion sulphurizing and nitriding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11451078A JPS5541940A (en) | 1978-09-20 | 1978-09-20 | Ion sulphurizing and nitriding method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5541940A true JPS5541940A (en) | 1980-03-25 |
Family
ID=14639556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11451078A Pending JPS5541940A (en) | 1978-09-20 | 1978-09-20 | Ion sulphurizing and nitriding method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5541940A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02270958A (en) * | 1989-04-12 | 1990-11-06 | Komatsu Ltd | Two-stage sulfonitriding method and sulfonitrided product |
| JPH04228557A (en) * | 1990-07-05 | 1992-08-18 | Hitachi Constr Mach Co Ltd | Sliding member, method for gas-sulfurizing and nitriding the same, and device therefor |
| WO2000024945A1 (en) * | 1998-10-28 | 2000-05-04 | Kohan Kogyo Co., Ltd. | Member of air motor |
-
1978
- 1978-09-20 JP JP11451078A patent/JPS5541940A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02270958A (en) * | 1989-04-12 | 1990-11-06 | Komatsu Ltd | Two-stage sulfonitriding method and sulfonitrided product |
| JPH04228557A (en) * | 1990-07-05 | 1992-08-18 | Hitachi Constr Mach Co Ltd | Sliding member, method for gas-sulfurizing and nitriding the same, and device therefor |
| WO2000024945A1 (en) * | 1998-10-28 | 2000-05-04 | Kohan Kogyo Co., Ltd. | Member of air motor |
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