BR8502760A - SINTERED MATERIAL FOR LOW VOLTAGE KEY CONTACTS IN ELECTRIC POWER TECHNIQUE - Google Patents

SINTERED MATERIAL FOR LOW VOLTAGE KEY CONTACTS IN ELECTRIC POWER TECHNIQUE

Info

Publication number
BR8502760A
BR8502760A BR8502760A BR8502760A BR8502760A BR 8502760 A BR8502760 A BR 8502760A BR 8502760 A BR8502760 A BR 8502760A BR 8502760 A BR8502760 A BR 8502760A BR 8502760 A BR8502760 A BR 8502760A
Authority
BR
Brazil
Prior art keywords
electric power
low voltage
sintered material
key contacts
power technique
Prior art date
Application number
BR8502760A
Other languages
Portuguese (pt)
Inventor
Bernhard Rothkegel
Wolfgang Hauf
Manfred Mueller
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of BR8502760A publication Critical patent/BR8502760A/en

Links

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
    • H01H1/021—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
    • H01H1/02376—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 SnO2
    • 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
    • B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
    • B22F2998/10—Processes characterised by the sequence of their steps

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Composite Materials (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Contacts (AREA)
  • Manufacture Of Switches (AREA)
  • Powder Metallurgy (AREA)
  • Glass Compositions (AREA)

Abstract

AgSnO2-based contact materials with Bi2O3 and CuO as further metal oxide additives have already been proposed. In these, the volume fraction of metal oxide should be between 10% and 25% with an SnO2 volume fraction of >/=70% of the total oxide quantity. It is proposed to select the SnO2 mass fraction specifically in the range from 4% to 8%. The Bi2O3 mass fraction is here between 0.5% and 4%, and the CuO mass fraction is between 0.3% and 1%, the remainder being silver in each case. Contact pieces having surprisingly good electrical properties can be manufactured from such materials.
BR8502760A 1984-06-12 1985-06-11 SINTERED MATERIAL FOR LOW VOLTAGE KEY CONTACTS IN ELECTRIC POWER TECHNIQUE BR8502760A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19843421759 DE3421759A1 (en) 1984-06-12 1984-06-12 SINTER CONTACT MATERIAL FOR LOW VOLTAGE SWITCHGEAR OF ENERGY TECHNOLOGY

Publications (1)

Publication Number Publication Date
BR8502760A true BR8502760A (en) 1986-02-18

Family

ID=6238160

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8502760A BR8502760A (en) 1984-06-12 1985-06-11 SINTERED MATERIAL FOR LOW VOLTAGE KEY CONTACTS IN ELECTRIC POWER TECHNIQUE

Country Status (6)

Country Link
EP (1) EP0164664B1 (en)
JP (1) JPH0768593B2 (en)
AT (1) ATE84905T1 (en)
BR (1) BR8502760A (en)
DE (2) DE3421759A1 (en)
ZA (1) ZA854389B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE58908359D1 (en) * 1988-11-17 1994-10-20 Siemens Ag Sintered contact material for low-voltage switchgear in energy technology, especially for motor contactors.
EP0369282B1 (en) * 1988-11-17 1995-06-14 Siemens Aktiengesellschaft Sintered contact material in low-tension switchgear, particularly for contactors
DE4201940A1 (en) * 1992-01-24 1993-07-29 Siemens Ag SINTER COMPOSITE FOR ELECTRICAL CONTACTS IN SWITCHGEAR OF ENERGY TECHNOLOGY
DE4331913A1 (en) * 1993-09-20 1995-03-23 Siemens Ag Method for connecting a contact pad made of silver-metal oxide material to a metallic contact carrier
CN117102479B (en) * 2023-10-18 2024-01-02 佛山通宝精密合金股份有限公司 Preparation process of modified silver tin oxide and prepared modified silver tin oxide

Family Cites Families (7)

* Cited by examiner, † Cited by third party
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
JPS6018735B2 (en) * 1977-12-15 1985-05-11 松下電器産業株式会社 electrical contact materials
JPS6013051B2 (en) * 1978-08-11 1985-04-04 中外電気工業株式会社 Improvement of electrical contact material by internally oxidizing silver↓-tin↓-bismuth alloy
GB2055398B (en) * 1979-08-01 1983-06-02 Chugai Electric Ind Co Ltd Electrical contact materials of internally oxidized ag-sn-bi alloy
JPS6027746B2 (en) * 1979-09-19 1985-07-01 松下電器産業株式会社 electrical contact materials
JPS57181339A (en) * 1981-05-02 1982-11-08 Chugai Electric Ind Co Ltd Electrical contact material of selectively and internally oxidized silver-tin alloy containing bismuth
JPS57134532A (en) * 1981-02-12 1982-08-19 Chugai Electric Ind Co Ltd Electrical contact material of silver-tin-bismuth alloy

Also Published As

Publication number Publication date
DE3587004D1 (en) 1993-03-04
DE3421759A1 (en) 1985-12-12
JPH0768593B2 (en) 1995-07-26
EP0164664B1 (en) 1993-01-20
ZA854389B (en) 1986-02-26
ATE84905T1 (en) 1993-02-15
EP0164664A2 (en) 1985-12-18
EP0164664A3 (en) 1988-03-23
JPS619541A (en) 1986-01-17

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Legal Events

Date Code Title Description
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 11/06/2000