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Evaluation of Electrowon Tungsten Sheet.
Keith-GH; Winston-JS; Iverson-HG
NTIS: PB 192 298 :14 pages
Electrowon tungsten powders were investigated with respect to consolidation, fabrication, and mechanical properties. Sheet, 0.03- Inch thick, was produced and its tensile strength measured between 250 deg. and 1,935 deg. C. The large particle size of electrowon tungsten effectively precluded sintering to a density sufficient to allow hot working to sheet or bar. The powders were consolidated by die pressing to 70-percent density, sheathing in molybdenum, and high-energy-rate extruding to either round or sheet bar of 100- percent density. The material was then rolled conventionally to sheet. The mechanical properties of the sheet prepared from the electrowon powders compared favorably with those reported in the literature for sheet prepared from commercially produced hydrogen- reduced powder.
IH; Report of Investigation;
NTIS Accession No.
NTIS: PB 192 298
Page last reviewed: April 12, 2019
Content source: National Institute for Occupational Safety and Health Education and Information Division