JPH0211641B2 - - Google Patents
Info
- Publication number
- JPH0211641B2 JPH0211641B2 JP57168611A JP16861182A JPH0211641B2 JP H0211641 B2 JPH0211641 B2 JP H0211641B2 JP 57168611 A JP57168611 A JP 57168611A JP 16861182 A JP16861182 A JP 16861182A JP H0211641 B2 JPH0211641 B2 JP H0211641B2
- Authority
- JP
- Japan
- Prior art keywords
- firing
- press
- powder
- sieving
- crushing
- 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
- 238000010304 firing Methods 0.000 claims description 18
- 238000000465 moulding Methods 0.000 claims description 9
- 239000002245 particle Substances 0.000 claims description 8
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 8
- 238000007873 sieving Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 description 22
- 239000000843 powder Substances 0.000 description 15
- 235000013339 cereals Nutrition 0.000 description 14
- 238000002485 combustion reaction Methods 0.000 description 10
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 229910052721 tungsten Inorganic materials 0.000 description 4
- 239000011362 coarse particle Substances 0.000 description 3
- 238000004868 gas analysis Methods 0.000 description 3
- 239000010937 tungsten Substances 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/14—Treatment of metallic powder
- B22F1/148—Agglomerating
Landscapes
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Powder Metallurgy (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57168611A JPS5959808A (ja) | 1982-09-29 | 1982-09-29 | タングステン粗粒粉の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57168611A JPS5959808A (ja) | 1982-09-29 | 1982-09-29 | タングステン粗粒粉の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5959808A JPS5959808A (ja) | 1984-04-05 |
| JPH0211641B2 true JPH0211641B2 (cg-RX-API-DMAC7.html) | 1990-03-15 |
Family
ID=15871261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57168611A Granted JPS5959808A (ja) | 1982-09-29 | 1982-09-29 | タングステン粗粒粉の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5959808A (cg-RX-API-DMAC7.html) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS631207U (cg-RX-API-DMAC7.html) * | 1986-06-20 | 1988-01-07 | ||
| WO2014097698A1 (ja) * | 2012-12-17 | 2014-06-26 | 昭和電工株式会社 | タングステン微粉の製造方法 |
-
1982
- 1982-09-29 JP JP57168611A patent/JPS5959808A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5959808A (ja) | 1984-04-05 |
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