JPS6131172B2 - - Google Patents
Info
- Publication number
- JPS6131172B2 JPS6131172B2 JP52062355A JP6235577A JPS6131172B2 JP S6131172 B2 JPS6131172 B2 JP S6131172B2 JP 52062355 A JP52062355 A JP 52062355A JP 6235577 A JP6235577 A JP 6235577A JP S6131172 B2 JPS6131172 B2 JP S6131172B2
- Authority
- JP
- Japan
- Prior art keywords
- sintering
- vacuum
- amount
- weight
- contact
- 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
- 238000005245 sintering Methods 0.000 claims description 26
- 239000000463 material Substances 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 8
- 238000004663 powder metallurgy Methods 0.000 claims description 4
- 239000010949 copper Substances 0.000 description 53
- 239000000843 powder Substances 0.000 description 11
- 229910052802 copper Inorganic materials 0.000 description 8
- 238000005266 casting Methods 0.000 description 7
- 229910052804 chromium Inorganic materials 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 239000011812 mixed powder Substances 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 239000007791 liquid phase Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 238000010008 shearing Methods 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000005242 forging Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000001000 micrograph Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/02—Contacts characterised by the material thereof
- H01H1/0203—Contacts characterised by the material thereof specially adapted for vacuum switches
Landscapes
- Powder Metallurgy (AREA)
- Manufacture Of Switches (AREA)
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
- Contacts (AREA)
- Conductive Materials (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6235577A JPS53146904A (en) | 1977-05-27 | 1977-05-27 | Preparation of material of contact for vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6235577A JPS53146904A (en) | 1977-05-27 | 1977-05-27 | Preparation of material of contact for vacuum circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS53146904A JPS53146904A (en) | 1978-12-21 |
| JPS6131172B2 true JPS6131172B2 (enrdf_load_stackoverflow) | 1986-07-18 |
Family
ID=13197715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6235577A Granted JPS53146904A (en) | 1977-05-27 | 1977-05-27 | Preparation of material of contact for vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS53146904A (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5873928A (ja) * | 1981-10-03 | 1983-05-04 | 株式会社明電舎 | 真空しや断器 |
| JPS61124542A (ja) * | 1984-11-21 | 1986-06-12 | Toshiba Corp | 真空バルブ用接点材料およびその製造方法 |
-
1977
- 1977-05-27 JP JP6235577A patent/JPS53146904A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS53146904A (en) | 1978-12-21 |
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