JPS6260441B2 - - Google Patents
Info
- Publication number
- JPS6260441B2 JPS6260441B2 JP59095801A JP9580184A JPS6260441B2 JP S6260441 B2 JPS6260441 B2 JP S6260441B2 JP 59095801 A JP59095801 A JP 59095801A JP 9580184 A JP9580184 A JP 9580184A JP S6260441 B2 JPS6260441 B2 JP S6260441B2
- Authority
- JP
- Japan
- Prior art keywords
- zone
- cooling zone
- iron powder
- slow cooling
- heating
- 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
- 238000010438 heat treatment Methods 0.000 claims description 42
- 238000010583 slow cooling Methods 0.000 claims description 37
- 238000001816 cooling Methods 0.000 claims description 34
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 32
- 238000002791 soaking Methods 0.000 claims description 17
- 238000004663 powder metallurgy Methods 0.000 claims description 15
- 230000001590 oxidative effect Effects 0.000 claims description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 14
- 238000006243 chemical reaction Methods 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 8
- 229910052757 nitrogen Inorganic materials 0.000 description 7
- 238000010791 quenching Methods 0.000 description 7
- 230000000171 quenching effect Effects 0.000 description 7
- 239000002994 raw material Substances 0.000 description 5
- 238000005262 decarbonization Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 230000035484 reaction time Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 238000000137 annealing Methods 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000006392 deoxygenation reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
Landscapes
- Powder Metallurgy (AREA)
- Tunnel Furnaces (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59095801A JPS60238678A (ja) | 1984-05-14 | 1984-05-14 | 粉末冶金用鉄粉の連続熱処理炉 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59095801A JPS60238678A (ja) | 1984-05-14 | 1984-05-14 | 粉末冶金用鉄粉の連続熱処理炉 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60238678A JPS60238678A (ja) | 1985-11-27 |
| JPS6260441B2 true JPS6260441B2 (ru) | 1987-12-16 |
Family
ID=14147532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59095801A Granted JPS60238678A (ja) | 1984-05-14 | 1984-05-14 | 粉末冶金用鉄粉の連続熱処理炉 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60238678A (ru) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010164269A (ja) * | 2009-01-19 | 2010-07-29 | Ngk Insulators Ltd | 大型基板用熱処理炉 |
-
1984
- 1984-05-14 JP JP59095801A patent/JPS60238678A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60238678A (ja) | 1985-11-27 |
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