JPS60186489A - 焼結部品の軟窒化処理方法及びその装置 - Google Patents
焼結部品の軟窒化処理方法及びその装置Info
- Publication number
- JPS60186489A JPS60186489A JP4015284A JP4015284A JPS60186489A JP S60186489 A JPS60186489 A JP S60186489A JP 4015284 A JP4015284 A JP 4015284A JP 4015284 A JP4015284 A JP 4015284A JP S60186489 A JPS60186489 A JP S60186489A
- Authority
- JP
- Japan
- Prior art keywords
- steam
- ammonia atmosphere
- soft
- furnace
- sintered part
- 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
- 238000006396 nitration reaction Methods 0.000 title 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 34
- 229910021529 ammonia Inorganic materials 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 11
- 238000005121 nitriding Methods 0.000 claims description 8
- 239000011148 porous material Substances 0.000 claims 1
- 238000007789 sealing Methods 0.000 description 6
- 229910001868 water Inorganic materials 0.000 description 6
- 238000001816 cooling Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 150000004767 nitrides Chemical class 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000007791 dehumidification Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000006722 reduction reaction Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000001000 micrograph Methods 0.000 description 1
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 1
Landscapes
- Powder Metallurgy (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4015284A JPS60186489A (ja) | 1984-03-02 | 1984-03-02 | 焼結部品の軟窒化処理方法及びその装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4015284A JPS60186489A (ja) | 1984-03-02 | 1984-03-02 | 焼結部品の軟窒化処理方法及びその装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60186489A true JPS60186489A (ja) | 1985-09-21 |
| JPH0470391B2 JPH0470391B2 (enExample) | 1992-11-10 |
Family
ID=12572790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4015284A Granted JPS60186489A (ja) | 1984-03-02 | 1984-03-02 | 焼結部品の軟窒化処理方法及びその装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60186489A (enExample) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5312735A (en) * | 1976-07-22 | 1978-02-04 | Midland Ross Corp | Surface hardening of metallic sintered compacts |
| JPS5819414A (ja) * | 1981-07-28 | 1983-02-04 | Riken Corp | 摺動部材及びその製造方法 |
| JPS5837155A (ja) * | 1981-08-28 | 1983-03-04 | Riken Corp | 摺動部材 |
-
1984
- 1984-03-02 JP JP4015284A patent/JPS60186489A/ja active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5312735A (en) * | 1976-07-22 | 1978-02-04 | Midland Ross Corp | Surface hardening of metallic sintered compacts |
| JPS5819414A (ja) * | 1981-07-28 | 1983-02-04 | Riken Corp | 摺動部材及びその製造方法 |
| JPS5837155A (ja) * | 1981-08-28 | 1983-03-04 | Riken Corp | 摺動部材 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0470391B2 (enExample) | 1992-11-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |