Powder metallurgy processes – Powder metallurgy processes with heating or sintering – Making composite or hollow article
Reexamination Certificate
2005-03-22
2005-03-22
Wyszomierski, George (Department: 1742)
Powder metallurgy processes
Powder metallurgy processes with heating or sintering
Making composite or hollow article
C419S035000, C419S064000, C148S561000
Reexamination Certificate
active
06869566
ABSTRACT:
The method of the present invention incorporates an amorphous metal powder coated with a ductile crystalline metal or alloy. The coated powder is consolidated to form a dense compact of isolated or continuous amorphous metal particles within a continuous ductile metal network. This provides a material in bulk product form exhibiting improved fracture properties including ductility and fracture toughness.
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Szuecs et al.Mechanical Properties of Zr56.2Ti13.8Nb5.0Cu6.9Be12.5Ductile Phase Reinforced Bulk Metallic Glass CompositeActa Material Inc. Elsevier Science Ltd. 2001.
Kendig Kevin L.
Miracle Daniel B.
Spowart Jonathan E.
AFMCLO/JAZ
Lambert Richard A.
The United States of America as represented by the Secretary of
Wyszomierski George
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