BR8206819A - Processo para a fabricacao de pecas moldadas ou perfiladas de materiais compostos de oxido de metal-prata isentos de cadmio para pecas de contato eletricas - Google Patents

Processo para a fabricacao de pecas moldadas ou perfiladas de materiais compostos de oxido de metal-prata isentos de cadmio para pecas de contato eletricas

Info

Publication number
BR8206819A
BR8206819A BR8206819A BR8206819A BR8206819A BR 8206819 A BR8206819 A BR 8206819A BR 8206819 A BR8206819 A BR 8206819A BR 8206819 A BR8206819 A BR 8206819A BR 8206819 A BR8206819 A BR 8206819A
Authority
BR
Brazil
Prior art keywords
pieces
cadmio
molded
manufacture
metal oxide
Prior art date
Application number
BR8206819A
Other languages
English (en)
Inventor
Horst Schreiner
Bernhard Rothkegel
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 BR8206819A publication Critical patent/BR8206819A/pt

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Composite Materials (AREA)
  • Materials Engineering (AREA)
  • Powder Metallurgy (AREA)
  • Manufacture Of Switches (AREA)
  • Contacts (AREA)
BR8206819A 1981-11-26 1982-11-25 Processo para a fabricacao de pecas moldadas ou perfiladas de materiais compostos de oxido de metal-prata isentos de cadmio para pecas de contato eletricas BR8206819A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19813146972 DE3146972A1 (de) 1981-11-26 1981-11-26 Verfahren zum herstellen von formteilen aus cadmiumfreien silber-metalloxid-verbundwerkstoffen fuer elektrische kontaktstuecke

Publications (1)

Publication Number Publication Date
BR8206819A true BR8206819A (pt) 1983-10-04

Family

ID=6147294

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8206819A BR8206819A (pt) 1981-11-26 1982-11-25 Processo para a fabricacao de pecas moldadas ou perfiladas de materiais compostos de oxido de metal-prata isentos de cadmio para pecas de contato eletricas

Country Status (5)

Country Link
US (1) US4609525A (pt)
EP (1) EP0080641B1 (pt)
JP (1) JPS5896801A (pt)
BR (1) BR8206819A (pt)
DE (2) DE3146972A1 (pt)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3304637A1 (de) * 1983-02-10 1984-08-16 Siemens AG, 1000 Berlin und 8000 München Sinterkontaktwerkstoff fuer niederspannungsschaltgeraete
DE3466122D1 (en) * 1984-01-30 1987-10-15 Siemens Ag Contact material and production of electric contacts
DE3405218A1 (de) * 1984-02-14 1985-09-05 Siemens AG, 1000 Berlin und 8000 München Sinterkontaktwerkstoff und verfahren zu dessen herstellung
US4680162A (en) * 1984-12-11 1987-07-14 Chugai Denki Kogyo K.K. Method for preparing Ag-SnO system alloy electrical contact material
JPS63425A (ja) * 1986-06-20 1988-01-05 Tanaka Kikinzoku Kogyo Kk 電気接点材料の製造方法
JPH06104873B2 (ja) * 1986-07-08 1994-12-21 富士電機株式会社 銀―金属酸化物系接点用材料及びその製造方法
WO1989009478A1 (en) * 1988-03-26 1989-10-05 Doduco Gmbh + Co. Dr. Eugen Dürrwächter Semifinished product for electrical contacts, made of a composite material based on silver and tin oxide, and powder metallurgical process for producing it
US5134039A (en) * 1988-04-11 1992-07-28 Leach & Garner Company Metal articles having a plurality of ultrafine particles dispersed therein
EP0369283B1 (de) * 1988-11-17 1994-09-14 Siemens Aktiengesellschaft Sinterkontaktwerkstoff für Niederspannungsschaltgeräte der Energietechnik, insbesondere für Motorschütze
DE4142374A1 (de) * 1991-12-20 1993-06-24 Siemens Ag Verfahren zum vorbeloten von kontaktstuecken fuer elektrische schaltgeraete
US5296189A (en) * 1992-04-28 1994-03-22 International Business Machines Corporation Method for producing metal powder with a uniform distribution of dispersants, method of uses thereof and structures fabricated therewith
ATE139864T1 (de) * 1992-09-16 1996-07-15 Duerrwaechter E Dr Doduco Werkstoff für elektrische kontakte auf der basis von silber-zinnoxid oder silber-zinkoxid und verfahren zu seiner herstellung
US5292477A (en) * 1992-10-22 1994-03-08 International Business Machines Corporation Supersaturation method for producing metal powder with a uniform distribution of dispersants method of uses thereof and structures fabricated therewith
DE4344322A1 (de) * 1993-12-23 1995-06-29 Siemens Ag Sinterkontaktwerkstoff
DE19503182C1 (de) * 1995-02-01 1996-05-15 Degussa Sinterwerkstoff auf der Basis Silber-Zinnoxid für elektrische Kontakte und Verfahren zu dessen Herstellung
TW517095B (en) * 1999-04-23 2003-01-11 Tanaka Precious Metal Ind Co L Method for producing Ag-ZnO electric contact material and electric contact material produced thereby
WO2003009323A1 (fr) * 2001-07-18 2003-01-30 Nec Schott Components Corporation Fusible thermique
US8673367B2 (en) * 2009-08-27 2014-03-18 Polymers Crc Ltd. Nano silver-zinc oxide composition
CN102074278B (zh) * 2010-12-09 2011-12-28 温州宏丰电工合金股份有限公司 颗粒定向排列增强银基电触头材料的制备方法
CN102142325B (zh) * 2010-12-30 2013-04-03 温州宏丰电工合金股份有限公司 颗粒定向排列增强银基氧化物电触头材料及其制备方法
US9028586B2 (en) * 2011-12-29 2015-05-12 Umicore Oxidation method
CN117107100B (zh) * 2023-08-28 2024-01-30 昆明理工大学 一种核壳结构金属氧化物增强银基材料的方法

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US2425053A (en) * 1944-06-23 1947-08-05 Cutler Hammer Inc Silver-backed nonwelding contact and method of making the same
DE1303549B (de) * 1965-06-30 1972-03-23 Siemens Ag Verfahren zum Herstellen eines Sinter Verbundstoffes fur hochbelastbare elektri sehe Kontakte
US3578443A (en) * 1969-01-21 1971-05-11 Massachusetts Inst Technology Method of producing oxide-dispersion-strengthened alloys
US3649242A (en) * 1969-11-26 1972-03-14 Nasa Method for producing dispersion-strengthened alloys by converting metal to a halide, comminuting, reducing the metal halide to the metal and sintering
CA909036A (en) * 1970-01-27 1972-09-05 A. W. Fustukian David Metal dispersoid powder compositions
US3709667A (en) * 1971-01-19 1973-01-09 Johnson Matthey Co Ltd Dispersion strengthening of platinum group metals and alloys
GB1397319A (en) * 1972-08-25 1975-06-11 Square D Co Electrically conductive materials
CH588152A5 (pt) * 1972-12-11 1977-05-31 Siemens Ag
US3859087A (en) * 1973-02-01 1975-01-07 Gte Sylvania Inc Manufacture of electrical contact materials
US3874941A (en) * 1973-03-22 1975-04-01 Chugai Electric Ind Co Ltd Silver-metal oxide contact materials
US3933485A (en) * 1973-07-20 1976-01-20 Chugai Denki Kogyo Kabushiki-Kaisha Electrical contact material
US3933486A (en) * 1974-02-12 1976-01-20 Chugai Denki Kogyo Kabushiki-Kaisha Silver-metal oxide composite and method of manufacturing the same
GB1444199A (en) * 1974-06-14 1976-07-28 Square D Co Method of producing a silver cadmium oxide electrically conductive composite material
US3976482A (en) * 1975-01-31 1976-08-24 The International Nickel Company, Inc. Method of making prealloyed thermoplastic powder and consolidated article
JPS523193A (en) * 1975-06-24 1977-01-11 Sumitomo Electric Ind Ltd Electric contact material
JPS5351128A (en) * 1976-10-21 1978-05-10 Nat Res Inst Metals Electric contact materials
US4141727A (en) * 1976-12-03 1979-02-27 Matsushita Electric Industrial Co., Ltd. Electrical contact material and method of making the same
JPS6018734B2 (ja) * 1977-04-14 1985-05-11 松下電器産業株式会社 電気接点材料
JPS6018735B2 (ja) * 1977-12-15 1985-05-11 松下電器産業株式会社 電気接点材料
US4150982A (en) * 1978-03-13 1979-04-24 Chugai Denki Kogyo Kabushiki-Kaisha AG-Metal oxides electrical contact materials containing internally oxidized indium oxides and/or tin oxides
US4161403A (en) * 1978-03-22 1979-07-17 Chugai Denki Kogyo Kabushiki-Kaisha Composite electrical contact material of Ag-alloy matrix and internally oxidized dispersed phase
DE2824117A1 (de) * 1978-06-01 1979-12-06 Siemens Ag Verfahren zum herstellen eines anisotropen sinterverbundwerkstoffes mit richtgefuege
JPS6013051B2 (ja) * 1978-08-11 1985-04-04 中外電気工業株式会社 銀↓−錫↓−ビスマス系合金を内部酸化した電気接点材料の改良
JPS5543775A (en) * 1978-09-21 1980-03-27 Sumitomo Electric Industries Electric contact material and method of fabricating same
US4243413A (en) * 1979-02-26 1981-01-06 Chugai Denki Kogyo Kabushiki-Kaisha Integrated Ag-SnO alloy electrical contact materials
US4274873A (en) * 1979-04-09 1981-06-23 Scm Corporation Dispersion strengthened metals
DE2933338C3 (de) * 1979-08-17 1983-04-28 Degussa Ag, 6000 Frankfurt Werkstoff für elektrische Kontakte und Verfahren zu seiner Herstellung
JPS5687641A (en) * 1979-12-19 1981-07-16 Fuji Electric Co Ltd Manufacture of silver-tin oxide electrical contact
JPS5690941A (en) * 1979-12-25 1981-07-23 Tanaka Kikinzoku Kogyo Kk Composite electrical contact material
JPS5690940A (en) * 1979-12-25 1981-07-23 Tanaka Kikinzoku Kogyo Kk Composite electrical contact material
JPS56102536A (en) * 1980-01-18 1981-08-17 Tanaka Kikinzoku Kogyo Kk Composite electrical contact material
DE3017424C2 (de) * 1980-05-07 1987-01-15 Degussa Ag, 6000 Frankfurt Werkstoff für elektrische Kontakte
FR2499760B1 (fr) * 1981-02-12 1990-08-10 Chugai Electric Ind Co Ltd Matiere pour realiser des contacts electriques

Also Published As

Publication number Publication date
EP0080641B1 (de) 1985-08-28
US4609525A (en) 1986-09-02
DE3265890D1 (en) 1985-10-03
EP0080641A1 (de) 1983-06-08
JPS646259B2 (pt) 1989-02-02
JPS5896801A (ja) 1983-06-09
DE3146972A1 (de) 1983-06-01

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