DE2549298C2 - Verfahren zur Herstellung einer gesinterten Silber-Cadmiumoxyd-Legierung - Google Patents

Verfahren zur Herstellung einer gesinterten Silber-Cadmiumoxyd-Legierung

Info

Publication number
DE2549298C2
DE2549298C2 DE2549298A DE2549298A DE2549298C2 DE 2549298 C2 DE2549298 C2 DE 2549298C2 DE 2549298 A DE2549298 A DE 2549298A DE 2549298 A DE2549298 A DE 2549298A DE 2549298 C2 DE2549298 C2 DE 2549298C2
Authority
DE
Germany
Prior art keywords
density
cadmium oxide
silver
additive
compact
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
Application number
DE2549298A
Other languages
German (de)
English (en)
Other versions
DE2549298A1 (de
Inventor
Han J. Chelmsford Mass. Kim
F. Joseph Acton Mass. Reid
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.)
Verizon Laboratories Inc
Original Assignee
GTE Laboratories Inc
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 GTE Laboratories Inc filed Critical GTE Laboratories Inc
Publication of DE2549298A1 publication Critical patent/DE2549298A1/de
Application granted granted Critical
Publication of DE2549298C2 publication Critical patent/DE2549298C2/de
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/10—Alloys containing non-metals
    • C22C1/1078—Alloys containing non-metals by internal oxidation of material in solid state
    • 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
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/10—Sintering only
    • B22F3/1003—Use of special medium during sintering, e.g. sintering aid
    • 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
    • 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
    • H01H1/02374—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 containing as major component CdO
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S75/00—Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures
    • Y10S75/95—Consolidated metal powder compositions of >95% theoretical density, e.g. wrought

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Composite Materials (AREA)
  • Powder Metallurgy (AREA)
  • Manufacture Of Switches (AREA)
DE2549298A 1974-11-11 1975-11-04 Verfahren zur Herstellung einer gesinterten Silber-Cadmiumoxyd-Legierung Expired DE2549298C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/521,609 US3969112A (en) 1974-11-11 1974-11-11 Process for preparing silver-cadmium oxide alloys

Publications (2)

Publication Number Publication Date
DE2549298A1 DE2549298A1 (de) 1976-05-13
DE2549298C2 true DE2549298C2 (de) 1986-04-24

Family

ID=24077406

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2549298A Expired DE2549298C2 (de) 1974-11-11 1975-11-04 Verfahren zur Herstellung einer gesinterten Silber-Cadmiumoxyd-Legierung

Country Status (4)

Country Link
US (1) US3969112A (en:Method)
CA (1) CA1054403A (en:Method)
DE (1) DE2549298C2 (en:Method)
FR (1) FR2290502A1 (en:Method)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE31846E (en) * 1979-08-20 1985-03-12 Square D Company Silver, cadmium oxide, lithium carbonate contact material and method of making the material
US4293337A (en) * 1979-08-20 1981-10-06 Square D Company Silver, cadmium oxide, lithium carbonate contact material and method of making the material
US4450204A (en) * 1982-06-17 1984-05-22 Gte Products Corporation Silver material suitable for backing of silver-cadmium oxide contacts and contacts employing same
US4509980A (en) * 1983-05-19 1985-04-09 Chemet Corporation Electrical contact material comprising silver, cadmium oxide and cupric salt
US4622269A (en) * 1985-12-30 1986-11-11 Gte Products Corporation Electrical contact and process for making the same
US4834939A (en) * 1988-05-02 1989-05-30 Hamilton Standard Controls, Inc. Composite silver base electrical contact material
US5286441A (en) * 1989-12-26 1994-02-15 Akira Shibata Silver-metal oxide composite material and process for producing the same
DE69032065T2 (de) * 1989-12-26 1998-10-29 Akira Shibata Verbundwerkstoff von Silber und Metalloxyd und Verfahren zur Herstellung desselben
US5284527A (en) * 1992-01-21 1994-02-08 United Technologies Corporation Method of making silver-metal oxide materials and electrical contacts
US5258052A (en) * 1992-06-18 1993-11-02 Advanced Metallurgy Incorporated Powder metallurgy silver-tin oxide electrical contact material

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3114631A (en) * 1960-08-24 1963-12-17 Handy & Harman Silver composition
DE1303549B (de) * 1965-06-30 1972-03-23 Siemens Ag Verfahren zum Herstellen eines Sinter Verbundstoffes fur hochbelastbare elektri sehe Kontakte
US3506437A (en) * 1967-11-07 1970-04-14 Textron Inc Method for making silver/cadmium oxide contact materials
US3799772A (en) * 1972-02-04 1974-03-26 Mallory & Co Inc P R Silver-cadmium oxide type material
GB1416537A (en) * 1972-08-18 1975-12-03 Square D Co Electrical contact materials

Also Published As

Publication number Publication date
FR2290502A1 (fr) 1976-06-04
DE2549298A1 (de) 1976-05-13
US3969112A (en) 1976-07-13
CA1054403A (en) 1979-05-15
FR2290502B1 (en:Method) 1978-06-23

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8125 Change of the main classification

Ipc: C22C 5/10

8126 Change of the secondary classification

Ipc: C22C 1/10

8128 New person/name/address of the agent

Representative=s name: GRUENECKER, A., DIPL.-ING. KINKELDEY, H., DIPL.-IN

D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee