Rapidly solidified high strength, ductile dispersion-hardened tu

Details Rapidly solidified high strength, ductile dispersion-hardened tu Rapidly solidified high strength, ductile dispersion-hardened tu

1988-04-11

1990-03-13

Roy, Upendra

Alloys or metallic compositions

Tungsten base

148403, 420431, 420432, C22C 2704

Patent

active

049081829

ABSTRACT:
Tungsten-rich alloys of formula W.sub.100-P M.sub.X RE.sub.Y ME.sub.Z wherein W is tungsten, M is one or more elements selected from the group consisting of transition elements, RE is an element selected from the group consisting of rare earth and actinide elements, ME is silicon, boron, germanium or aluminum, X is 0 to 25 weight %, Y is 0 to 2 weight %, Z is 0.1 to 3 weight % and P=X+Y+Z where P.ltoreq.26 weight % are disclosed. The alloys possess high strength and ductility. A method for preparing the alloys by rapid solidification processing is also disclosed.

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