P/M titanium composite casting
AssigneeDynamet Technology, Inc.
InventorsStanley Abkowitz, Susan M. Abkowitz, Paul F. Weihrauch, Harold L. Heussi, Walter Zimmer
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Abstract
A consumable billet for melting and casting a metal matrix composite component is made of a consolidated powder metal matrix composite having a titanium or titanium alloy matrix reinforced with particles. The preferred billet is a blended and sintered powder metal composite billet incorporating titanium carbide or titanium boride into a Ti--6Al--4V alloy.
Claims44
A consumable billet for melting and casting a metal matrix composite article, said billet comprised of a powder metal matrix composite consisting essentially of a titanium or titanium alloy matrix reinforced with particles.
A method of casting an article comprised of a particulate reinforced metal matrix composite, said method comprising the steps of:
- providing a billet comprised of a consolidated powder and having a titanium metal matrix and particles dispersed therein, and
- melting said billet to cast said article.
A cast article comprising a titanium alloy metal matrix composite strengthened by particles dispersed therein, said cast article being formed by melting a titanium metal matrix composite formed by consolidating powdered materials.
Dependencies are inferred from the claim text.