Abstract

The effect of partial substitution of Cu for Ag and Pd on the glass forming ability of Mg 65 Cu 25 Gd 10 alloy has been studied. Mg 65 Cu 15 Ag 5 Pd 5 Gd 10 bulk metallic glass with diameter of at least 10 mm can successfully be fabricated by conventional Cu-mold casting method in air atmosphere. The critical cooling rate for glass formation is estimated to be ∼0.7 K/s. The compressive fracture strength and fracture elongation of the Mg 65 Cu 15 Ag 5 Pd 5 Gd 10 bulk metallic glass are 817 MPa and 1.6% respectively.

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