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The conventional molybdenum alloys, lacking of hard particles enhancing wear property, have relative poor wear resistance though they are widely used in wear parts. To resolve the above question, Mo alloys reinforced by in-situ Al 2 O 3 particles are developed using powder metallurgy method. The in-situ α-Al 2 O 3 particles in molybdenum matrix are obtained by the decomposition...
In the present investigation, fabrication of high dense (>97.8%) W matrix composites with increased microhardness values were investigated. W and W–1wt.% Ni powders were mechanical alloyed for 18h and sintered at 1400°C for 1h under Ar, H 2 gas flowing conditions in order to investigate the effects of 1wt.% Ni addition on the densification and properties of W. The effects of Al 2 ...
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