Accession Number : ADD013794

Title :   Method of Making a Long Life High Current Density Cathode from Tungsten and Osmium Powders Using Barium Osmiate as an Impregnant.

Descriptive Note : Patent Application, Filed 27 Jun 88,

Corporate Author : DEPARTMENT OF THE ARMY WASHINGTON DC

Personal Author(s) : Smith, Bernard ; Branovich, Louis E ; Freeman, Gerard L

Report Date : 27 Jun 1988

Pagination or Media Count : 10

Abstract : A long life high current density cathode is made from a mixture of tungsten and osmium powders by processing the mixture of powders with an activator into a porous billet, and then impregnating the billet with a barium osmiate by firing the billet in a dry hydrogen furnace at a temperature at which the impregnant melts. Patent applications. Patent application. (MJM)

Descriptors :   *OSMIUM, *PATENT APPLICATIONS, *POWDERS, *TUNGSTEN, BARIUM, BILLETS(MATERIALS), DRY MATERIALS, FURNACES, HYDROGEN, IMPREGNATION, MIXTURES, POROUS MATERIALS, PROCESSING

Subject Categories : Inorganic Chemistry
      Electrical and Electronic Equipment

Distribution Statement : APPROVED FOR PUBLIC RELEASE