GB2032467A - Manufacture of Finely-porous Moulded Bodies from a Metal having a High Melting Point - Google Patents

Manufacture of Finely-porous Moulded Bodies from a Metal having a High Melting Point Download PDF

Info

Publication number
GB2032467A
GB2032467A GB7932007A GB7932007A GB2032467A GB 2032467 A GB2032467 A GB 2032467A GB 7932007 A GB7932007 A GB 7932007A GB 7932007 A GB7932007 A GB 7932007A GB 2032467 A GB2032467 A GB 2032467A
Authority
GB
United Kingdom
Prior art keywords
melting point
metal
mould
finely
porons
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.)
Withdrawn
Application number
GB7932007A
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of GB2032467A publication Critical patent/GB2032467A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/18—After-treatment
    • C23C4/185—Separation of the coating from the substrate
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Powder Metallurgy (AREA)
  • Coating By Spraying Or Casting (AREA)
GB7932007A 1978-09-15 1979-09-14 Manufacture of Finely-porous Moulded Bodies from a Metal having a High Melting Point Withdrawn GB2032467A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782840276 DE2840276C3 (de) 1978-09-15 1978-09-15 Anwendung des Plasma-Pulverspritzens hochschmelzender Metalle auf die Herstellung feinporiger Vorratskathoden für elektrische Entladungsgefäße

Publications (1)

Publication Number Publication Date
GB2032467A true GB2032467A (en) 1980-05-08

Family

ID=6049581

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7932007A Withdrawn GB2032467A (en) 1978-09-15 1979-09-14 Manufacture of Finely-porous Moulded Bodies from a Metal having a High Melting Point

Country Status (3)

Country Link
DE (1) DE2840276C3 (de)
FR (1) FR2435987A1 (de)
GB (1) GB2032467A (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4418124A (en) 1980-10-06 1983-11-29 General Electric Company Plasma spray-cast components
US4447466A (en) * 1981-08-14 1984-05-08 General Electric Company Process for making plasma spray-cast components using segmented mandrels
GB2225158A (en) * 1988-11-12 1990-05-23 Samsung Electronic Devices Manufacturing dispenser cathodes of electron guns

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3075066A (en) * 1957-12-03 1963-01-22 Union Carbide Corp Article of manufacture and method of making same
DE1299969B (de) * 1964-12-18 1969-07-24 Nassovia Werkzeugmaschf Herstellung von Elektroden fuer die Funkenerosion
DE1282005B (de) * 1965-11-09 1968-11-07 Basf Ag Verfahren zur Herstellung von poroesen positiven Elektroden fuer Brennstoffelemente oder elektrochemische Messzellen
FR2366876A1 (fr) * 1976-10-05 1978-05-05 Fives Cail Babcock Tamis pour essoreuse centrifuge

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4418124A (en) 1980-10-06 1983-11-29 General Electric Company Plasma spray-cast components
US4447466A (en) * 1981-08-14 1984-05-08 General Electric Company Process for making plasma spray-cast components using segmented mandrels
GB2225158A (en) * 1988-11-12 1990-05-23 Samsung Electronic Devices Manufacturing dispenser cathodes of electron guns
GB2225158B (en) * 1988-11-12 1993-01-13 Samsung Electronic Devices Manufacturing method for dispenser cathode of an electron gun

Also Published As

Publication number Publication date
DE2840276A1 (de) 1980-03-27
FR2435987B1 (de) 1983-11-10
DE2840276B2 (de) 1980-07-10
DE2840276C3 (de) 1981-03-12
FR2435987A1 (fr) 1980-04-11

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)