Patent ID: 8828155
Filing Date: 2014-09-09
Classification: C22B,C22C

Abstract:
1. A bulk-solidifying amorphous alloy comprising: a plurality of elemental components, wherein the bulk-solidifying amorphous alloy has the following composition: wherein M comprises 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 the Pd is optional, wherein the bulk-solidifying amorphous alloy has a yield strength of at least 1400 MPa, a Vickers Hardness of at least 358, a critical casting thickness of at least 2 mm, an elastic strain limit of at least 1.5%, a liquidus temperature below 1273 K, a ratio of a glass transition temperature to the liquidus temperature of less than about 0.6, and a fracture toughness (K