Abstract
Mg-10mass%Be, Mg-20mass%Be, Mg-30mass%aBe and Mg-40mass%Be alloys were synthesized by mechanical alloying (MA) of elementary Mg and Be powders for 720 ks milling under 66 kPa argon gas atmosphere using by a planetary ball milling. In the case of Mg-10mass%Be, the big blocks occurred due to the joining of the MA powders. Others showed fine powders after the MA process. Mg was able to compound 10mass%Be by the MA process safely. In the obtained Mg-10mass%Be block, Be particles dispersed in the Mg matrix uniformly and had no reaction with Mg.Mg-10mass%Be alloy synthesized by the MA was consolidated by pulsed current sintering at 673 K for 0.5 ks under a pressure of 196MPa. The sintered body was a composite material including homogeneous Be particles and showed a hardness of 68HV.
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