DE58909449D1 - Pulvermetallurgisches Verfahren zum Herstellen eines Halbzeugs für elektrische Kontakte aus einem Verbundwerkstoff auf Silberbasis mit Eisen. - Google Patents

Pulvermetallurgisches Verfahren zum Herstellen eines Halbzeugs für elektrische Kontakte aus einem Verbundwerkstoff auf Silberbasis mit Eisen.

Info

Publication number
DE58909449D1
DE58909449D1 DE58909449T DE58909449T DE58909449D1 DE 58909449 D1 DE58909449 D1 DE 58909449D1 DE 58909449 T DE58909449 T DE 58909449T DE 58909449 T DE58909449 T DE 58909449T DE 58909449 D1 DE58909449 D1 DE 58909449D1
Authority
DE
Germany
Prior art keywords
silver
semi
iron
producing
composite material
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 - Fee Related
Application number
DE58909449T
Other languages
German (de)
English (en)
Inventor
Volker Dr Dipl Phys Behrens
Roland Dr Dipl Ing Michal
Karl E Dr Dipl Phys Saeger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Doduco Contacts and Refining GmbH
Original Assignee
Doduco GmbH and Co KG Dr Eugen Duerrwaechter
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Doduco GmbH and Co KG Dr Eugen Duerrwaechter filed Critical Doduco GmbH and Co KG Dr Eugen Duerrwaechter
Application granted granted Critical
Publication of DE58909449D1 publication Critical patent/DE58909449D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00Making metallic powder or suspensions thereof
    • B22F9/16Making metallic powder or suspensions thereof using chemical processes
    • B22F9/30Making metallic powder or suspensions thereof using chemical processes with decomposition of metal compounds, e.g. by pyrolysis
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00Making metallic powder or suspensions thereof
    • B22F9/16Making metallic powder or suspensions thereof using chemical processes
    • B22F9/18Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
    • B22F9/24Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from liquid metal compounds, e.g. solutions
    • B22F9/26Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from liquid metal compounds, e.g. solutions using gaseous reductors
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C1/00Making non-ferrous alloys
    • C22C1/04Making non-ferrous alloys by powder metallurgy
    • C22C1/0466Alloys based on noble metals
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00Contacts
    • H01H1/02Contacts characterised by the material thereof
    • H01H1/021Composite material
    • H01H1/023Composite material having a noble metal as the basic material
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H11/00Apparatus or processes specially adapted for the manufacture of electric switches
    • H01H11/04Apparatus or processes specially adapted for the manufacture of electric switches of switch contacts
    • H01H11/048Apparatus or processes specially adapted for the manufacture of electric switches of switch contacts by powder-metallurgical processes
DE58909449T 1988-04-16 1989-04-12 Pulvermetallurgisches Verfahren zum Herstellen eines Halbzeugs für elektrische Kontakte aus einem Verbundwerkstoff auf Silberbasis mit Eisen. Expired - Fee Related DE58909449D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3812686 1988-04-16

Publications (1)

Publication Number Publication Date
DE58909449D1 true DE58909449D1 (de) 1995-11-02

Family

ID=6352116

Family Applications (1)

Application Number Title Priority Date Filing Date
DE58909449T Expired - Fee Related DE58909449D1 (de) 1988-04-16 1989-04-12 Pulvermetallurgisches Verfahren zum Herstellen eines Halbzeugs für elektrische Kontakte aus einem Verbundwerkstoff auf Silberbasis mit Eisen.

Country Status (3)

Country Link
EP (1) EP0338401B1 (es)
DE (1) DE58909449D1 (es)
ES (1) ES2080052T3 (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4117312A1 (de) * 1991-05-27 1992-12-03 Siemens Ag Kontaktwerkstoff auf silberbasis zur verwendung in schaltgeraeten der energietechnik sowie verfahren zur herstellung von kontaktstuecken aus diesem werkstoff
DE102004036113B4 (de) * 2004-07-24 2006-10-05 Ami Doduco Gmbh Löschblech für eine Lichtbogen-Löschkammer
JP5342931B2 (ja) * 2009-06-05 2013-11-13 マブチモーター株式会社 摺動接点材料及びクラッド複合材並びにモーター
CN102114546A (zh) * 2011-03-29 2011-07-06 兰州金川新材料科技股份有限公司 一种球形银粉的制备方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE643567C (de) * 1931-12-25 1937-04-12 Molybdenum Comp Nv Verfahren zur Herstellung von Zwei- oder Mehrstoffkoerpern
GB563511A (en) * 1942-02-25 1944-08-17 Mallory Metallurg Prod Ltd Improvements in and relating to electric contacting elements
DE888178C (de) * 1943-04-04 1953-08-31 Degussa Auf pulvermetallurgischem Wege hergestellter Kontaktwerkstoff aus Metallen mit guter elektrischer Leitfaehigkeit und einer Hartstoffkomponente
US2806786A (en) * 1954-05-14 1957-09-17 Gen Electric Method of making sintered electrical contact material
DE1029571B (de) * 1956-07-13 1958-05-08 Siemens Ag Verfahren zur Herstellung eines Sinterverbundwerkstoffes, insbesondere fuer elektrische Kontakte
GB1489545A (en) * 1976-05-20 1977-10-19 Meidensha Electric Mfg Co Ltd Electrical contact materials for vacuum switches
DE2853931A1 (de) * 1978-12-14 1980-06-19 Dornier System Gmbh Verfahren zur herstellung metallischer pulver
DE2929630C2 (de) * 1979-07-21 1983-12-15 Dornier System Gmbh, 7990 Friedrichshafen Verfahren zur Herstellung von Silberpulver
YU46258B (sh) * 1987-06-06 1993-05-28 Degussa Ag. Primena srebrno gvozdenog materijala za električne kontakte

Also Published As

Publication number Publication date
EP0338401A1 (de) 1989-10-25
ES2080052T3 (es) 1996-02-01
EP0338401B1 (de) 1995-09-27

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: AMI DODUCO GMBH, 75181 PFORZHEIM, DE

8339 Ceased/non-payment of the annual fee