DE68909654T2 - Isostatisches Heisspressen von Pulvern zur Herstellung von Kontakten mit hoher Dichte. - Google Patents

Isostatisches Heisspressen von Pulvern zur Herstellung von Kontakten mit hoher Dichte.

Info

Publication number
DE68909654T2
DE68909654T2 DE89302369T DE68909654T DE68909654T2 DE 68909654 T2 DE68909654 T2 DE 68909654T2 DE 89302369 T DE89302369 T DE 89302369T DE 68909654 T DE68909654 T DE 68909654T DE 68909654 T2 DE68909654 T2 DE 68909654T2
Authority
DE
Germany
Prior art keywords
powders
container
compacts
pressure
process according
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 - Fee Related
Application number
DE89302369T
Other languages
German (de)
English (en)
Other versions
DE68909654D1 (de
Inventor
Norman Stanley Hoyer
Natraj Chandrasekar Iyer
Alan Thomas Male
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.)
Westinghouse Electric Corp
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of DE68909654D1 publication Critical patent/DE68909654D1/de
Application granted granted Critical
Publication of DE68909654T2 publication Critical patent/DE68909654T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • B22F3/12—Both compacting and sintering
    • B22F3/14—Both compacting and sintering simultaneously
    • B22F3/15—Hot isostatic pressing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
    • H01H11/04—Apparatus or processes specially adapted for the manufacture of electric switches of switch contacts
    • H01H11/048—Apparatus or processes specially adapted for the manufacture of electric switches of switch contacts by powder-metallurgical processes
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Powder Metallurgy (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)
DE89302369T 1988-04-04 1989-03-10 Isostatisches Heisspressen von Pulvern zur Herstellung von Kontakten mit hoher Dichte. Expired - Fee Related DE68909654T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/177,274 US4810289A (en) 1988-04-04 1988-04-04 Hot isostatic pressing of high performance electrical components

Publications (2)

Publication Number Publication Date
DE68909654D1 DE68909654D1 (de) 1993-11-11
DE68909654T2 true DE68909654T2 (de) 1994-02-03

Family

ID=22647943

Family Applications (1)

Application Number Title Priority Date Filing Date
DE89302369T Expired - Fee Related DE68909654T2 (de) 1988-04-04 1989-03-10 Isostatisches Heisspressen von Pulvern zur Herstellung von Kontakten mit hoher Dichte.

Country Status (8)

Country Link
US (1) US4810289A (OSRAM)
EP (1) EP0336569B1 (OSRAM)
JP (1) JPH01301806A (OSRAM)
AU (1) AU608424B2 (OSRAM)
BR (1) BR8901550A (OSRAM)
CA (1) CA1334633C (OSRAM)
DE (1) DE68909654T2 (OSRAM)
IN (1) IN170726B (OSRAM)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008010176B3 (de) * 2008-02-20 2009-11-12 Thyssenkrupp Steel Ag Lagerstabile Standardproben
RU2777829C1 (ru) * 2021-08-31 2022-08-11 Федеральное государственное бюджетное учреждение науки Институт металлургии Уральского отделения Российской академии наук (ИМЕТ УрО РАН) Способ изготовления бислойной порошковой полосы на основе меди для сильноточных разрывных электрических контактов

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4937041A (en) * 1984-03-23 1990-06-26 Carlisle Memory Products Group Incorporated Stainless steel silver compositions
US4874430A (en) * 1988-05-02 1989-10-17 Hamilton Standard Controls, Inc. Composite silver base electrical contact material
US5039335A (en) * 1988-10-21 1991-08-13 Texas Instruments Incorporated Composite material for a circuit system and method of making
US4925626A (en) * 1989-04-13 1990-05-15 Vidhu Anand Method for producing a Wc-Co-Cr alloy suitable for use as a hard non-corrosive coating
US4909841A (en) * 1989-06-30 1990-03-20 Westinghouse Electric Corp. Method of making dimensionally reproducible compacts
US4954170A (en) * 1989-06-30 1990-09-04 Westinghouse Electric Corp. Methods of making high performance compacts and products
US4931253A (en) * 1989-08-07 1990-06-05 United States Of America As Represented By The Secretary Of The Air Force Method for producing alpha titanium alloy pm articles
US5225381A (en) * 1989-11-02 1993-07-06 Mitsubishi Denki Kabushiki Kaisha Vacuum switch contact material and method of manufacturing it
JPH03149719A (ja) * 1989-11-02 1991-06-26 Mitsubishi Electric Corp 真空スイツチ用接点材料およびその製法
JP2528373B2 (ja) * 1990-03-27 1996-08-28 山陽特殊製鋼株式会社 板状材料の製造方法
DE4111683A1 (de) * 1991-04-10 1992-10-22 Duerrwaechter E Dr Doduco Werkstoff fuer elektrische kontakte aus silber mit kohlenstoff
DE4201940A1 (de) * 1992-01-24 1993-07-29 Siemens Ag Sinterverbundwerkstoff fuer elektrische kontakte in schaltgeraeten der energietechnik
DE4211319C2 (de) * 1992-04-04 1995-06-08 Plansee Metallwerk Verfahren zur Herstellung von Sintereisen-Formteilen mit porenfreier Zone
DE69411803T2 (de) * 1993-04-30 1998-12-03 Kabushiki Kaisha Meidensha, Tokio/Tokyo Elektrode und Verfahren zur Herstellung eines Elektrodenmaterials
US5654587A (en) * 1993-07-15 1997-08-05 Lsi Logic Corporation Stackable heatsink structure for semiconductor devices
US5514327A (en) * 1993-12-14 1996-05-07 Lsi Logic Corporation Powder metal heat sink for integrated circuit devices
US5693981A (en) * 1993-12-14 1997-12-02 Lsi Logic Corporation Electronic system with heat dissipating apparatus and method of dissipating heat in an electronic system
US5561834A (en) * 1995-05-02 1996-10-01 General Motors Corporation Pneumatic isostatic compaction of sintered compacts
US5816090A (en) * 1995-12-11 1998-10-06 Ametek Specialty Metal Products Division Method for pneumatic isostatic processing of a workpiece
US5814536A (en) * 1995-12-27 1998-09-29 Lsi Logic Corporation Method of manufacturing powdered metal heat sinks having increased surface area
AUPP773998A0 (en) * 1998-12-16 1999-01-21 Public Transport Corporation of Victoria Low resistivity materials with improved wear performance for electrical current transfer and methods for preparing same
DE19916082C2 (de) * 1999-04-09 2001-05-10 Louis Renner Gmbh Pulvermetallurgisch hergestellter Verbundwerkstoff, Verfahren zu dessen Herstellung sowie dessen Verwendung
JP2004156131A (ja) * 2002-09-13 2004-06-03 Honda Motor Co Ltd 金属成形体の製造方法
US20040151611A1 (en) * 2003-01-30 2004-08-05 Kline Kerry J. Method for producing powder metal tooling, mold cavity member
DE112006002464T5 (de) * 2005-09-14 2008-07-24 Littelfuse, Inc., Des Plaines Gasgefüllter Überspannungsableiter, aktivierende Verbindung, Zündstreifen und Herstellungsverfahren dafür
JP4898978B2 (ja) * 2010-06-22 2012-03-21 株式会社アライドマテリアル 電気接点材
CN106756204A (zh) * 2016-11-22 2017-05-31 陕西斯瑞新材料股份有限公司 一种近净成型铜铬触头材料制备方法

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3411902A (en) * 1968-01-22 1968-11-19 Mallory & Co Inc P R Method of producing infiltrated contact material
US3960554A (en) * 1974-06-03 1976-06-01 Westinghouse Electric Corporation Powdered metallurgical process for forming vacuum interrupter contacts
US4028061A (en) * 1974-11-11 1977-06-07 Gte Laboratories Incorporated Silver-cadmium oxide alloys
US4092157A (en) * 1976-09-10 1978-05-30 Gte Laboratories Incorporated Process for preparing silver-cadmium oxide alloys
US4137076A (en) * 1977-02-24 1979-01-30 Westinghouse Electric Corp. Electrical contact material of TiC, WC and silver
US4190753A (en) * 1978-04-13 1980-02-26 Westinghouse Electric Corp. High-density high-conductivity electrical contact material for vacuum interrupters and method of manufacture
FR2511040B1 (fr) * 1981-08-06 1985-10-04 Commissariat Energie Atomique Procede de preparation d'un materiau composite comportant une matrice inorganique dans laquelle sont reparties des inclusions de carbone vitreux, materiau obtenu par ce procede et son utilisation comme contact electrique
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
US4530815A (en) * 1982-06-29 1985-07-23 Mitsubishi Denki Kabushiki Kaisha Method of producing a contact device for a switch
US4582585A (en) * 1982-09-27 1986-04-15 Aluminum Company Of America Inert electrode composition having agent for controlling oxide growth on electrode made therefrom
US4564501A (en) * 1984-07-05 1986-01-14 The United States Of America As Represented By The Secretary Of The Navy Applying pressure while article cools
US4677264A (en) * 1984-12-24 1987-06-30 Mitsubishi Denki Kabushiki Kaisha Contact material for vacuum circuit breaker
US4591482A (en) * 1985-08-29 1986-05-27 Gorham International, Inc. Pressure assisted sinter process
US4699263A (en) * 1985-10-30 1987-10-13 Nippon Sheet Glass Co., Ltd. Feeding and processing apparatus
DE3604861A1 (de) * 1986-02-15 1987-08-20 Battelle Development Corp Verfahren zur pulvermetallurgischen herstellung von feindispersen legierungen
US4699763A (en) * 1986-06-25 1987-10-13 Westinghouse Electric Corp. Circuit breaker contact containing silver and graphite fibers
JPS6362122A (ja) * 1986-09-03 1988-03-18 株式会社日立製作所 真空遮断器用電極の製造法
US4722825A (en) * 1987-07-01 1988-02-02 The United States Of America As Represented By The Secretary Of The Navy Method of fabricating a metal/ceramic composite structure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008010176B3 (de) * 2008-02-20 2009-11-12 Thyssenkrupp Steel Ag Lagerstabile Standardproben
RU2777829C1 (ru) * 2021-08-31 2022-08-11 Федеральное государственное бюджетное учреждение науки Институт металлургии Уральского отделения Российской академии наук (ИМЕТ УрО РАН) Способ изготовления бислойной порошковой полосы на основе меди для сильноточных разрывных электрических контактов

Also Published As

Publication number Publication date
CA1334633C (en) 1995-03-07
EP0336569A3 (en) 1990-12-19
DE68909654D1 (de) 1993-11-11
IN170726B (OSRAM) 1992-05-09
AU608424B2 (en) 1991-03-28
EP0336569B1 (en) 1993-10-06
EP0336569A2 (en) 1989-10-11
BR8901550A (pt) 1989-11-14
AU3175289A (en) 1989-11-23
JPH01301806A (ja) 1989-12-06
US4810289A (en) 1989-03-07

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee