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The intrinsic (ideal) strength has been extensively studied for crystalline alloys, but remains largely unsettled for metallic glasses. This study, by combining computer simulations and the cooperative shear model (Johnson and Samwer, 2005 [12]), found that, at the athermal limit, the yield strain of metallic glass can be as high as ∼10% in pure shear, and the corresponding ideal shear strength is...
A group of Ti 60 Cu 14 Ni 12 Sn 4 M 10 (M=Nb, Ta, Mo) alloys was prepared using arc melting and copper mold casting. The as-prepared alloys have a composite microstructure containing a micrometer-sized dendritic β-Ti(M) phase dispersed in a nanocrystalline matrix. These new alloys exhibit a low Young's modulus in the range of 59-103GPa, and...
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