Patent ID: 7896982

Claim:
A bulk-solidifying amorphous alloy having the following composition: (Pt,Pd) x M y P z wherein M is a combination of at least Cu and Ni, having a ratio of Cu to Ni of from about 1 to 4, x is from about 20 to 60 atomic percent, y is from 15 to 60 atomic percent and z is from about 16 to 24 atomic percent, and wherein Pd is optionally included in the alloy; wherein the combination of components has a Poisson's ratio of at least 0.38; and wherein, the alloy exhibiting an elastic strain limit of at least 1.5%, a ductility of more than 10% under compression geometries with aspect ratio more than 2, a bend ductility of more than 3% under bending geometries with a thickness more than 2.0 mm, and a fracture toughness greater than K1C>35 MPa m −1/2 .