GB1407902A - Tungsten alloy products - Google Patents

Tungsten alloy products

Info

Publication number
GB1407902A
GB1407902A GB1313973A GB1313973A GB1407902A GB 1407902 A GB1407902 A GB 1407902A GB 1313973 A GB1313973 A GB 1313973A GB 1313973 A GB1313973 A GB 1313973A GB 1407902 A GB1407902 A GB 1407902A
Authority
GB
United Kingdom
Prior art keywords
tungsten alloy
alloy products
tho
alloy
dispersed
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
GB1313973A
Other languages
English (en)
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.)
General Electric Co
Original Assignee
General Electric 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 General Electric Co filed Critical General Electric Co
Publication of GB1407902A publication Critical patent/GB1407902A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/02—Manufacture of electrodes or electrode systems
    • H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
    • H01J9/042—Manufacture, activation of the emissive part
    • 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
    • C22C32/0031—Matrix based on refractory metals, W, Mo, Nb, Hf, Ta, Zr, Ti, V or alloys thereof
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02—Main electrodes
    • H01J1/13—Solid thermionic cathodes
    • H01J1/14—Solid thermionic cathodes characterised by the material
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12014—All metal or with adjacent metals having metal particles
    • Y10T428/12021—All metal or with adjacent metals having metal particles having composition or density gradient or differential porosity
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12014—All metal or with adjacent metals having metal particles
    • Y10T428/12153—Interconnected void structure [e.g., permeable, etc.]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Powder Metallurgy (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Contacts (AREA)
GB1313973A 1972-05-01 1973-03-19 Tungsten alloy products Expired GB1407902A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00248933A US3802851A (en) 1972-05-01 1972-05-01 Tungsten alloy products

Publications (1)

Publication Number Publication Date
GB1407902A true GB1407902A (en) 1975-10-01

Family

ID=22941326

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1313973A Expired GB1407902A (en) 1972-05-01 1973-03-19 Tungsten alloy products

Country Status (5)

Country Link
US (1) US3802851A (en:Method)
JP (1) JPS538288B2 (en:Method)
FR (1) FR2182883B1 (en:Method)
GB (1) GB1407902A (en:Method)
HU (1) HU166091B (en:Method)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4104063A (en) * 1972-11-29 1978-08-01 Schwabische Huttenwerke Gesellschaft Mit Beschrankter Haftung Formed part of sintered iron and method and sintering tile for making same
IT1058755B (it) * 1975-03-24 1982-05-10 Lignes Telegraph Telephon Procedimento per la fabbricazione di anodi sinterizzati per condensatori elettrolitici
CH602330A5 (en:Method) * 1976-08-26 1978-07-31 Bbc Brown Boveri & Cie
JPS61234552A (ja) * 1985-04-10 1986-10-18 Nippon Gakki Seizo Kk 導電板材
DE4442161C1 (de) * 1994-11-27 1996-03-07 Bayerische Metallwerke Gmbh Verfahren zur Herstellung eines Formteils
US5590386A (en) * 1995-07-26 1996-12-31 Osram Sylvania Inc. Method of making an alloy of tungsten and lanthana
JP3320650B2 (ja) * 1997-07-24 2002-09-03 三菱電機株式会社 タングステンまたはモリブデンからなる金属材料、同金属材料を使用した二次製品材の製造方法およびその方法を実施するための熱処理装置
US6045682A (en) * 1998-03-24 2000-04-04 Enthone-Omi, Inc. Ductility agents for nickel-tungsten alloys
JP4606281B2 (ja) * 2004-10-14 2011-01-05 株式会社小糸製作所 放電ランプ装置用アークチューブ

Also Published As

Publication number Publication date
DE2314274A1 (de) 1973-11-15
JPS4922315A (en:Method) 1974-02-27
US3802851A (en) 1974-04-09
FR2182883B1 (en:Method) 1976-05-07
HU166091B (en:Method) 1975-01-28
FR2182883A1 (en:Method) 1973-12-14
JPS538288B2 (en:Method) 1978-03-27
DE2314274B2 (de) 1977-06-23

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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