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The mechanical properties of Os–B compounds containing different boron contents have been investigated systemically by first-principles calculations. Two previously unreported crystal structures of Os 2 B 5 and OsB 3 , crystallizing in space groups R3m and P-6m2 respectively, are determined using the ab initio evolutionary structure prediction. The calculated elastic constants,...
A strategy for homogenizing the B2 CuZr phase in CuZr-based bulk metallic glass (BMG) composites based on inoculation is presented. The sizes and distribution of B2 CuZr particles can be effectively homogenized by Ta additions in rapidly solidified Cu 47 Zr 48−x Al 5 Ta x (0≤x≤1, at.%) alloys. Mechanisms of the homogenizing effect were investigated by analyzing...
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