GB1401037A - Electrical contact materials - Google Patents

Electrical contact materials

Info

Publication number
GB1401037A
GB1401037A GB3582672A GB3582672A GB1401037A GB 1401037 A GB1401037 A GB 1401037A GB 3582672 A GB3582672 A GB 3582672A GB 3582672 A GB3582672 A GB 3582672A GB 1401037 A GB1401037 A GB 1401037A
Authority
GB
United Kingdom
Prior art keywords
electrical contact
contact materials
materials
cro
heading
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
GB3582672A
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.)
Schneider Electric USA Inc
Original Assignee
Square D Co
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 Square D Co filed Critical Square D Co
Priority to GB3582672A priority Critical patent/GB1401037A/en
Priority to US384161A priority patent/US3922236A/en
Priority to US05/586,763 priority patent/US3981726A/en
Publication of GB1401037A publication Critical patent/GB1401037A/en
Expired legal-status Critical Current

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
    • 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
    • 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
    • Y10S75/951—Oxide containing, e.g. dispersion strengthened

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Composite Materials (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Thermistors And Varistors (AREA)
  • Powder Metallurgy (AREA)

Abstract

1401037 Ag/Cu -based materials SQUARE D CO 23 July 1973 [1 Aug 1972] 35826/72 Heading C7A A material for electrical contacts consists, by weight, of 5 to 50% copper 2 to 20% lanthanum strontium chromite, La 1-x Sr x CrO 3 (o<x<1) the balance being silver. The properties and methods of preparation of these materials are similar to those disclosed in Specification 1398143.
GB3582672A 1972-08-01 1972-08-01 Electrical contact materials Expired GB1401037A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB3582672A GB1401037A (en) 1972-08-01 1972-08-01 Electrical contact materials
US384161A US3922236A (en) 1972-08-01 1973-07-30 Electrical contact materials
US05/586,763 US3981726A (en) 1972-08-01 1975-06-13 Electrical contact materials

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3582672A GB1401037A (en) 1972-08-01 1972-08-01 Electrical contact materials

Publications (1)

Publication Number Publication Date
GB1401037A true GB1401037A (en) 1975-07-16

Family

ID=10381921

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3582672A Expired GB1401037A (en) 1972-08-01 1972-08-01 Electrical contact materials

Country Status (2)

Country Link
US (1) US3922236A (en)
GB (1) GB1401037A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58108622A (en) * 1981-12-21 1983-06-28 三菱電機株式会社 Electrode material for vacuum switch
US4503090A (en) * 1983-02-23 1985-03-05 At&T Bell Laboratories Thick film resistor circuits
US4927647A (en) * 1987-07-13 1990-05-22 R. J. Reynolds Tobacco Company Anti-stick package for hygroscopic foods
US4830780A (en) * 1987-10-23 1989-05-16 Allied-Signal Inc. Preparation of lanthanum chromate and lanthanum chromite powders by sol-gel
US5061402A (en) * 1987-10-23 1991-10-29 Allied-Signal Inc. Preparation of lanthanum chromate powders by sol-gel
US5128284A (en) * 1987-10-23 1992-07-07 Allied-Signal Inc. Preparation of lanthanum chromite powders by sol-gel
WO1995006321A1 (en) * 1993-08-23 1995-03-02 Siemens Aktiengesellschaft Silver-based contact material, use of such a contact material in switchgear for power-engineering applications and method of manufacturing the contact material
US5800932A (en) * 1995-02-28 1998-09-01 The Furukawa Electric Co., Ltd. Electric contact material and a manufacturing method therefor

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1303549B (en) * 1965-06-30 1972-03-23 Siemens Ag Process for producing a sintered composite for heavy-duty electrical contacts
US3506437A (en) * 1967-11-07 1970-04-14 Textron Inc Method for making silver/cadmium oxide contact materials
US3630968A (en) * 1969-07-15 1971-12-28 Agency Ind Science Techn Oxide having the structural formula (la1-xcax)cro3 where x is between .01 and .15 and a method for producing the same

Also Published As

Publication number Publication date
US3922236A (en) 1975-11-25

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee