DE69602690D1 - Verfahren zur Herstellung einer Legierung aus Wolfram und Lanthanoxide - Google Patents

Verfahren zur Herstellung einer Legierung aus Wolfram und Lanthanoxide

Info

Publication number
DE69602690D1
DE69602690D1 DE69602690T DE69602690T DE69602690D1 DE 69602690 D1 DE69602690 D1 DE 69602690D1 DE 69602690 T DE69602690 T DE 69602690T DE 69602690 T DE69602690 T DE 69602690T DE 69602690 D1 DE69602690 D1 DE 69602690D1
Authority
DE
Germany
Prior art keywords
tungsten
alloy
producing
lanthanum oxides
lanthanum
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
DE69602690T
Other languages
English (en)
Other versions
DE69602690T2 (de
Inventor
Thomas J Patrician
Harry D Martin
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.)
Osram Sylvania Inc
Original Assignee
Osram Sylvania Inc
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 Osram Sylvania Inc filed Critical Osram Sylvania Inc
Application granted granted Critical
Publication of DE69602690D1 publication Critical patent/DE69602690D1/de
Publication of DE69602690T2 publication Critical patent/DE69602690T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
    • B23K35/24—Selection of soldering or welding materials proper
    • B23K35/32—Selection of soldering or welding materials proper with the principal constituent melting at more than 1550 degrees C
    • B23K35/327—Selection of soldering or welding materials proper with the principal constituent melting at more than 1550 degrees C comprising refractory compounds, e.g. carbides
    • 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
    • B22F3/23—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces involving a self-propagating high-temperature synthesis or reaction sintering step
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
    • B23K35/222—Non-consumable electrodes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/40—Making wire or rods for soldering or welding
    • B23K35/402—Non-consumable electrodes; C-electrodes
    • 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
    • C22C1/05—Mixtures of metal powder with non-metallic powder
    • C22C1/059—Making alloys comprising less than 5% by weight of dispersed reinforcing phases
    • 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
    • C22C1/10—Alloys containing non-metals
    • C22C1/1005—Pretreatment of the non-metallic additives
    • 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
    • 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
    • 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
    • B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
DE69602690T 1995-07-26 1996-07-26 Verfahren zur Herstellung einer Legierung aus Wolfram und Lanthanoxide Expired - Fee Related DE69602690T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/507,183 US5590386A (en) 1995-07-26 1995-07-26 Method of making an alloy of tungsten and lanthana

Publications (2)

Publication Number Publication Date
DE69602690D1 true DE69602690D1 (de) 1999-07-08
DE69602690T2 DE69602690T2 (de) 1999-09-30

Family

ID=24017584

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69602690T Expired - Fee Related DE69602690T2 (de) 1995-07-26 1996-07-26 Verfahren zur Herstellung einer Legierung aus Wolfram und Lanthanoxide

Country Status (4)

Country Link
US (1) US5590386A (de)
EP (1) EP0759478B1 (de)
DE (1) DE69602690T2 (de)
HU (1) HU217138B (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4442161C1 (de) * 1994-11-27 1996-03-07 Bayerische Metallwerke Gmbh Verfahren zur Herstellung eines Formteils
US6190466B1 (en) * 1997-01-15 2001-02-20 General Electric Company Non-sag tungsten wire
CN1054563C (zh) * 1997-02-27 2000-07-19 北京钨钼材料厂 镧钨电极的制造方法
AT3834U1 (de) * 1999-05-21 2000-08-25 Plansee Ag Thermisch hochbelastbares bauteil
US6830637B2 (en) * 2002-05-31 2004-12-14 Osram Sylvania Inc. Large diameter tungsten-lanthana rod
US7032800B2 (en) * 2003-05-30 2006-04-25 General Electric Company Apparatus and method for friction stir welding of high strength materials, and articles made therefrom
US7170032B2 (en) * 2003-11-20 2007-01-30 Tri Tool Inc. Process for welding
US10315264B2 (en) 2013-01-29 2019-06-11 General Electric Company Joining process and joined article
US20170330725A1 (en) * 2016-05-13 2017-11-16 Axcelis Technologies, Inc. Lanthanated tungsten ion source and beamline components
EP3323714B1 (de) * 2016-11-21 2019-07-03 Ratier-Figeac SAS Propellergegengewicht
CN107190195A (zh) * 2017-05-04 2017-09-22 鹤山市沃得钨钼实业有限公司 一种稀土钨合金坩埚及其制造方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3086103A (en) * 1961-03-28 1963-04-16 Union Carbide Corp Refractory electrode-inert gas shielded-arc working
US3159908A (en) * 1963-02-26 1964-12-08 Du Pont Dispersion hardened metal product and process
US3802851A (en) * 1972-05-01 1974-04-09 Gen Electric Tungsten alloy products
US3853491A (en) * 1972-09-01 1974-12-10 Gen Electric Tungsten filament having uniform concentration gradient of thoria particles
JPS62224495A (ja) * 1986-03-24 1987-10-02 Toho Kinzoku Kk タングステン電極材料
AT386612B (de) * 1987-01-28 1988-09-26 Plansee Metallwerk Kriechfeste legierung aus hochschmelzendem metall und verfahren zu ihrer herstellung
US4764491A (en) * 1987-05-11 1988-08-16 General Motors Corporation Low temperature sintering of yttria stabilized zirconia with lanthana borate additions
DE3835328C1 (de) * 1988-10-17 1989-12-14 Gesellschaft Fuer Wolfram-Industrie Mbh, 8220 Traunstein, De
US5284614A (en) * 1992-06-01 1994-02-08 General Electric Company Method of forming fine dispersion of ceria in tungsten
JPH06297189A (ja) * 1993-04-14 1994-10-25 Toho Kinzoku Kk タングステン電極材料

Also Published As

Publication number Publication date
HU217138B (hu) 1999-11-29
DE69602690T2 (de) 1999-09-30
HUP9602038A3 (en) 1998-04-28
HUP9602038A2 (en) 1997-05-28
US5590386A (en) 1996-12-31
HU9602038D0 (en) 1996-09-30
EP0759478B1 (de) 1999-06-02
EP0759478A1 (de) 1997-02-26

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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