Abstract
Abstract The amorphization of elemental Ni and Zr powders by mechanical alloying was investigated. The effects of the milling conditions, such as the temperature, intensity and milling tool material, were examined. A higher milling temperature enhances the amorphization reaction and a stronger milling intensity results in the formation of intermetallic compounds. The amount of iron impurity during ball milling with steel tools was several times larger than the tungsten carbide (WC) impurity produced using WC tools, even under similar milling conditions, such as the same number of balls and the same weight of sample. The local structure and thermal properties of mechanically alloyed samples were compared in detail with those of liquid quenched samples.
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