GB717034A - Improvements in or relating to the manufacture of porous metal bodies - Google Patents

Improvements in or relating to the manufacture of porous metal bodies

Info

Publication number
GB717034A
GB717034A GB764551A GB764551A GB717034A GB 717034 A GB717034 A GB 717034A GB 764551 A GB764551 A GB 764551A GB 764551 A GB764551 A GB 764551A GB 717034 A GB717034 A GB 717034A
Authority
GB
United Kingdom
Prior art keywords
molybdenum
tube
april
relating
manufacture
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
GB764551A
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 PLC
Original Assignee
General Electric Co PLC
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 PLC filed Critical General Electric Co PLC
Priority to GB764551A priority Critical patent/GB717034A/en
Publication of GB717034A publication Critical patent/GB717034A/en
Expired 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
    • B22F3/10—Sintering only
    • B22F3/11—Making porous workpieces or articles
    • B22F3/1121—Making porous workpieces or articles by using decomposable, meltable or sublimatable fillers
    • B22F3/1134—Inorganic fillers

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Microwave Tubes (AREA)

Abstract

717,034. Cathode constructions and materials. GENERAL ELECTRIC CO., Ltd., BROOK, F., and JACKSON, K. April 2, 1952 [April 2, 1951], No. 7645/51. Class 39(1) [Also in Group XXII] A thermionic cathode, for a magnetron &c., includes a porous tungsten, molybdenum, or tantalum tube made by powder metallurgy (see Group XXII). A porous tungsten tube 4, Fig 1, is fitted over a molybdenum tube 1, having a recess containing alkaline earth metal oxides 3. Molybdenum bands 5, and annular discs 6, are platinum-brazed or welded to the assembly. The heating filament 2 is attached to a molybdenum disc 7. In a modification, the tungsten tube 10, Fig 2, is impregnated with thoria.
GB764551A 1951-04-02 1951-04-02 Improvements in or relating to the manufacture of porous metal bodies Expired GB717034A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB764551A GB717034A (en) 1951-04-02 1951-04-02 Improvements in or relating to the manufacture of porous metal bodies

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB764551A GB717034A (en) 1951-04-02 1951-04-02 Improvements in or relating to the manufacture of porous metal bodies

Publications (1)

Publication Number Publication Date
GB717034A true GB717034A (en) 1954-10-20

Family

ID=9837079

Family Applications (1)

Application Number Title Priority Date Filing Date
GB764551A Expired GB717034A (en) 1951-04-02 1951-04-02 Improvements in or relating to the manufacture of porous metal bodies

Country Status (1)

Country Link
GB (1) GB717034A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3328139A (en) * 1965-02-26 1967-06-27 Edwin S Hodge Porous tungsten metal shapes
US3852045A (en) * 1972-08-14 1974-12-03 Battelle Memorial Institute Void metal composite material and method
WO1983000282A1 (en) * 1981-07-27 1983-02-03 Battelle Development Corp Production of porous coating on a prosthesis
CN114632932A (en) * 2022-03-14 2022-06-17 中国科学院空天信息创新研究院 Preparation method and application of tungsten sponge matrix

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3328139A (en) * 1965-02-26 1967-06-27 Edwin S Hodge Porous tungsten metal shapes
US3852045A (en) * 1972-08-14 1974-12-03 Battelle Memorial Institute Void metal composite material and method
WO1983000282A1 (en) * 1981-07-27 1983-02-03 Battelle Development Corp Production of porous coating on a prosthesis
CN114632932A (en) * 2022-03-14 2022-06-17 中国科学院空天信息创新研究院 Preparation method and application of tungsten sponge matrix
CN114632932B (en) * 2022-03-14 2024-01-23 中国科学院空天信息创新研究院 Preparation method and application of tungsten sponge matrix

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