EP0294693A3 - Use of a silver-iron material for electric contacts - Google Patents

Use of a silver-iron material for electric contacts Download PDF

Info

Publication number
EP0294693A3
EP0294693A3 EP88108735A EP88108735A EP0294693A3 EP 0294693 A3 EP0294693 A3 EP 0294693A3 EP 88108735 A EP88108735 A EP 88108735A EP 88108735 A EP88108735 A EP 88108735A EP 0294693 A3 EP0294693 A3 EP 0294693A3
Authority
EP
European Patent Office
Prior art keywords
silver
iron material
electric contacts
contacts
electric
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.)
Granted
Application number
EP88108735A
Other languages
German (de)
Other versions
EP0294693A2 (en
EP0294693B1 (en
Inventor
Wolfgang Dr. Weise
Roger Wolmer
Peter Dr. Braumann
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.)
Evonik Operations GmbH
Original Assignee
Degussa GmbH
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 Degussa GmbH filed Critical Degussa GmbH
Priority to AT88108735T priority Critical patent/ATE81734T1/en
Publication of EP0294693A2 publication Critical patent/EP0294693A2/en
Publication of EP0294693A3 publication Critical patent/EP0294693A3/en
Application granted granted Critical
Publication of EP0294693B1 publication Critical patent/EP0294693B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • 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
    • C22C1/04—Making non-ferrous alloys by powder metallurgy
    • C22C1/0466—Alloys based on noble metals
    • 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

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)
  • Conductive Materials (AREA)
  • Powder Metallurgy (AREA)
EP88108735A 1987-06-06 1988-06-01 Use of a silver-iron material for electric contacts Expired - Lifetime EP0294693B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88108735T ATE81734T1 (en) 1987-06-06 1988-06-01 USE OF A SILVER-IRON MATERIAL FOR ELECTRICAL CONTACTS.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3719052 1987-06-06
DE3719052 1987-06-06

Publications (3)

Publication Number Publication Date
EP0294693A2 EP0294693A2 (en) 1988-12-14
EP0294693A3 true EP0294693A3 (en) 1989-03-15
EP0294693B1 EP0294693B1 (en) 1992-10-21

Family

ID=6329234

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88108735A Expired - Lifetime EP0294693B1 (en) 1987-06-06 1988-06-01 Use of a silver-iron material for electric contacts

Country Status (23)

Country Link
US (1) US4859238A (en)
EP (1) EP0294693B1 (en)
JP (1) JP2680038B2 (en)
CN (1) CN1011421B (en)
AR (1) AR241971A1 (en)
AT (1) ATE81734T1 (en)
AU (1) AU1730388A (en)
BR (1) BR8802712A (en)
CA (1) CA1309278C (en)
CS (1) CS275704B6 (en)
DE (1) DE3875385D1 (en)
DK (1) DK303088A (en)
ES (1) ES2035154T3 (en)
GR (1) GR3006495T3 (en)
HU (1) HUT50262A (en)
IN (1) IN167229B (en)
MX (1) MX170300B (en)
NO (1) NO882389L (en)
PL (1) PL156711B1 (en)
PT (1) PT87662B (en)
RU (1) RU1785579C (en)
YU (1) YU46258B (en)
ZA (1) ZA883891B (en)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0338401B1 (en) * 1988-04-16 1995-09-27 DODUCO GMBH + Co Dr. Eugen DÀ¼rrwächter Powder-metallurgical process for the production of a semi-finished product for electrical contacts made from a composite material based on silver and iron
DE58904983D1 (en) * 1988-04-20 1993-08-26 Siemens Ag SILVER-BASED SINTER CONTACT MATERIAL FOR USE IN SWITCHGEAR DEVICES IN ENERGY TECHNOLOGY, ESPECIALLY FOR CONTACT PIECES IN LOW VOLTAGE SWITCHES.
US5286441A (en) * 1989-12-26 1994-02-15 Akira Shibata Silver-metal oxide composite material and process for producing the same
DE4117311A1 (en) * 1991-05-27 1992-12-03 Siemens Ag CONTACT MATERIAL ON A SILVER BASE FOR USE IN SWITCHGEAR DEVICES IN ENERGY TECHNOLOGY
DE4117312A1 (en) * 1991-05-27 1992-12-03 Siemens Ag SILVER-BASED CONTACT MATERIAL FOR USE IN SWITCHGEAR DEVICES OF ENERGY TECHNOLOGY AND METHOD FOR THE PRODUCTION OF CONTACT PIECES FROM THIS MATERIAL
DE4201940A1 (en) * 1992-01-24 1993-07-29 Siemens Ag SINTER COMPOSITE FOR ELECTRICAL CONTACTS IN SWITCHGEAR OF ENERGY TECHNOLOGY
DE4343550A1 (en) * 1993-12-20 1995-06-22 Siemens Ag Contact material based on silver for use in switching devices of power engineering
JPH0892708A (en) * 1994-07-28 1996-04-09 Kawasaki Steel Corp Mixed iron powder for powder metallurgy and production of sintered steel excellent in cuttability
DE19543208C1 (en) * 1995-11-20 1997-02-20 Degussa Silver@-iron@ material contg. oxide additives
DE19543223C1 (en) * 1995-11-20 1997-02-20 Degussa Silver@-iron@ material contg. oxide additives
DE19543222C1 (en) * 1995-11-20 1997-02-20 Degussa Silver@-iron material contg. oxide additives
DE19607183C1 (en) * 1996-02-27 1997-04-10 Degussa Sintered silver@-iron@ alloy for making electrical contacts
JP2001052930A (en) * 1999-08-06 2001-02-23 Tdk Corp Laminated inductor and manufacture thereof
DE10012250B4 (en) * 2000-03-14 2006-06-01 Umicore Ag & Co. Kg Contact materials based on silver-iron-copper
US20070018526A1 (en) * 2004-06-18 2007-01-25 Tanaka Kikinzoku Kogyo K.K. Relay for sealed ac load and ag-base contact element material for use therein
JP5342931B2 (en) * 2009-06-05 2013-11-13 マブチモーター株式会社 Sliding contact material, clad composite material and motor
WO2013142765A1 (en) * 2012-03-23 2013-09-26 Technic, Inc. Silver antimony coatings and connectors
CN106238721B (en) * 2016-08-03 2018-06-19 施海峰 A kind of composite contact material and preparation method thereof
CN107299244B (en) * 2017-06-09 2019-07-16 佛山通宝精密合金股份有限公司 A method of preparing high-performance AgFeRe material
CN109777991A (en) * 2019-03-25 2019-05-21 杭州辰卓科技有限公司 A kind of electric leads bonding corrosion-resistant high-damping silver alloy and its technique
US20220220580A1 (en) * 2019-05-31 2022-07-14 Omron Corporation Contact material mainly composed of ag alloy, contact using the contact material, and electrical device
CN114457253B (en) * 2021-12-30 2022-12-09 无锡日月合金材料有限公司 Silver nickel-bismuth oxide material for microswitch and manufacturing method thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2253260A1 (en) * 1973-12-03 1975-06-27 Mallory & Co Inc P R
FR2260629A1 (en) * 1974-02-12 1975-09-05 Chugai Electric Ind Co Ltd

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2394501A (en) * 1942-09-12 1946-02-05 Square D Co Electrical contact
US2664618A (en) * 1944-04-22 1954-01-05 Fansteel Metallurgical Corp Electrical contact
US3401024A (en) * 1965-10-04 1968-09-10 Mallory & Co Inc P R Electrical contact material
DE2240493C3 (en) * 1972-08-17 1978-04-27 Siemens Ag, 1000 Berlin Und 8000 Muenchen Penetration composite metal as a contact material for vacuum switches and process for its manufacture
CH588152A5 (en) * 1972-12-11 1977-05-31 Siemens Ag
US3992199A (en) * 1973-12-03 1976-11-16 P. R. Mallory & Co., Inc. Method of making electrical contact materials
US4141727A (en) * 1976-12-03 1979-02-27 Matsushita Electric Industrial Co., Ltd. Electrical contact material and method of making the same
DE2659012C3 (en) * 1976-12-27 1980-01-24 Siemens Ag, 1000 Berlin Und 8000 Muenchen Process for producing a sintered contact material from silver and embedded metal oxides
JPS5913578B2 (en) * 1977-01-25 1984-03-30 日本科学冶金株式会社 electrical contact materials
US4330331A (en) * 1978-06-16 1982-05-18 Nippon Telegraph And Telephone Public Corporation Electric contact material and method of producing the same
US4294616A (en) * 1979-01-02 1981-10-13 Gte Products Corporation Electrical contacts
JPS56133438A (en) * 1980-03-24 1981-10-19 Tanaka Kikinzoku Kogyo Kk Composite electrical contact material
JPS57108232A (en) * 1980-12-25 1982-07-06 Tanaka Kikinzoku Kogyo Kk Electrical contact material and its manufacture

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2253260A1 (en) * 1973-12-03 1975-06-27 Mallory & Co Inc P R
FR2260629A1 (en) * 1974-02-12 1975-09-05 Chugai Electric Ind Co Ltd

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN *

Also Published As

Publication number Publication date
ZA883891B (en) 1989-02-22
DK303088A (en) 1988-12-07
PL272879A1 (en) 1989-03-06
YU46258B (en) 1993-05-28
GR3006495T3 (en) 1993-06-21
ES2035154T3 (en) 1993-04-16
NO882389L (en) 1988-12-07
CA1309278C (en) 1992-10-27
MX170300B (en) 1993-08-16
NO882389D0 (en) 1988-05-31
ATE81734T1 (en) 1992-11-15
PL156711B1 (en) 1992-04-30
CS8803853A2 (en) 1991-04-11
RU1785579C (en) 1992-12-30
PT87662B (en) 1992-10-30
PT87662A (en) 1988-07-01
AR241971A1 (en) 1993-01-29
CN1011421B (en) 1991-01-30
YU103288A (en) 1990-04-30
DK303088D0 (en) 1988-06-03
CN1030098A (en) 1989-01-04
AU1730388A (en) 1988-12-08
CS275704B6 (en) 1992-03-18
HUT50262A (en) 1989-12-28
DE3875385D1 (en) 1992-11-26
EP0294693A2 (en) 1988-12-14
US4859238A (en) 1989-08-22
JPS6452346A (en) 1989-02-28
JP2680038B2 (en) 1997-11-19
EP0294693B1 (en) 1992-10-21
IN167229B (en) 1990-09-22
BR8802712A (en) 1988-12-27

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