DE3405218C2 - - Google Patents
Info
- Publication number
- DE3405218C2 DE3405218C2 DE3405218A DE3405218A DE3405218C2 DE 3405218 C2 DE3405218 C2 DE 3405218C2 DE 3405218 A DE3405218 A DE 3405218A DE 3405218 A DE3405218 A DE 3405218A DE 3405218 C2 DE3405218 C2 DE 3405218C2
- Authority
- DE
- Germany
- Prior art keywords
- oxides
- silver
- contact material
- mixed
- coarse
- 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
- 239000000463 material Substances 0.000 claims description 40
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 28
- 239000010953 base metal Substances 0.000 claims description 28
- 229910052709 silver Inorganic materials 0.000 claims description 23
- 239000004332 silver Substances 0.000 claims description 23
- 239000000203 mixture Substances 0.000 claims description 12
- 229910015902 Bi 2 O 3 Inorganic materials 0.000 claims description 7
- 239000002244 precipitate Substances 0.000 claims description 7
- 239000011362 coarse particle Substances 0.000 claims description 5
- 229910006404 SnO 2 Inorganic materials 0.000 claims description 2
- 239000010419 fine particle Substances 0.000 claims 1
- 239000000843 powder Substances 0.000 description 30
- 229910044991 metal oxide Inorganic materials 0.000 description 23
- 150000004706 metal oxides Chemical class 0.000 description 21
- 239000002245 particle Substances 0.000 description 12
- 230000003647 oxidation Effects 0.000 description 11
- 238000007254 oxidation reaction Methods 0.000 description 11
- 229910045601 alloy Inorganic materials 0.000 description 9
- 239000000956 alloy Substances 0.000 description 9
- 239000002131 composite material Substances 0.000 description 9
- 238000005245 sintering Methods 0.000 description 6
- 239000010949 copper Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000003825 pressing Methods 0.000 description 5
- 238000003466 welding Methods 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 238000001000 micrograph Methods 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 229910052793 cadmium Inorganic materials 0.000 description 2
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000000754 repressing effect Effects 0.000 description 2
- 239000011265 semifinished product Substances 0.000 description 2
- 229910001316 Ag alloy Inorganic materials 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000029142 excretion Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000010310 metallurgical process Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000004482 other powder Substances 0.000 description 1
- IVQODXYTQYNJFI-UHFFFAOYSA-N oxotin;silver Chemical compound [Ag].[Sn]=O IVQODXYTQYNJFI-UHFFFAOYSA-N 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229940100890 silver compound Drugs 0.000 description 1
- 150000003379 silver compounds Chemical class 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
- C22C32/001—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with only oxides
- C22C32/0015—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with only oxides with only single oxides as main non-metallic constituents
- C22C32/0021—Matrix based on noble metals, Cu or alloys thereof
-
- 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
- B22F1/12—Metallic powder containing non-metallic particles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/02—Contacts characterised by the material thereof
- H01H1/021—Composite material
- H01H1/023—Composite material having a noble metal as the basic material
- H01H1/0237—Composite material having a noble metal as the basic material and containing oxides
- H01H1/02372—Composite material having a noble metal as the basic material and containing oxides containing as major components one or more oxides of the following elements only: Cd, Sn, Zn, In, Bi, Sb or Te
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Composite Materials (AREA)
- Contacts (AREA)
- Powder Metallurgy (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19843405218 DE3405218A1 (de) | 1984-02-14 | 1984-02-14 | Sinterkontaktwerkstoff und verfahren zu dessen herstellung |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19843405218 DE3405218A1 (de) | 1984-02-14 | 1984-02-14 | Sinterkontaktwerkstoff und verfahren zu dessen herstellung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3405218A1 DE3405218A1 (de) | 1985-09-05 |
| DE3405218C2 true DE3405218C2 (enrdf_load_stackoverflow) | 1988-03-10 |
Family
ID=6227670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19843405218 Granted DE3405218A1 (de) | 1984-02-14 | 1984-02-14 | Sinterkontaktwerkstoff und verfahren zu dessen herstellung |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE3405218A1 (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0214342B1 (de) * | 1985-09-11 | 1991-09-18 | Degussa Aktiengesellschaft | Werkstoff für verblendbaren Zahnersatz |
| DE102005038235A1 (de) * | 2005-08-12 | 2007-02-15 | Umicore Ag & Co. Kg | Verwendung von Indium-Zinn-Mischoxid für Werkstoffe auf Silberbasis |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4141727A (en) * | 1976-12-03 | 1979-02-27 | Matsushita Electric Industrial Co., Ltd. | Electrical contact material and method of making the same |
| DE2659012C3 (de) * | 1976-12-27 | 1980-01-24 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Verfahren zum Herstellen eines Sinterkontaktwerkstoffes aus Silber und eingelagerten Metalloxiden |
| DE2933338C3 (de) * | 1979-08-17 | 1983-04-28 | Degussa Ag, 6000 Frankfurt | Werkstoff für elektrische Kontakte und Verfahren zu seiner Herstellung |
| DE3017424C2 (de) * | 1980-05-07 | 1987-01-15 | Degussa Ag, 6000 Frankfurt | Werkstoff für elektrische Kontakte |
| DE3116442C2 (de) * | 1981-04-24 | 1986-10-16 | Siemens AG, 1000 Berlin und 8000 München | Sinterkontaktwerkstoff |
| DE3146972A1 (de) * | 1981-11-26 | 1983-06-01 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zum herstellen von formteilen aus cadmiumfreien silber-metalloxid-verbundwerkstoffen fuer elektrische kontaktstuecke |
-
1984
- 1984-02-14 DE DE19843405218 patent/DE3405218A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE3405218A1 (de) | 1985-09-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| 8125 | Change of the main classification |
Ipc: H01H 1/02 |
|
| D2 | Grant after examination | ||
| 8363 | Opposition against the patent | ||
| 8368 | Opposition refused due to inadmissibility | ||
| 8339 | Ceased/non-payment of the annual fee |