Dependence of the mechanical characteristics of fast-quenched amorphous Zr–Cu–Al Aalloys on their compositionстатья
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Дата последнего поиска статьи во внешних источниках: 19 июля 2016 г.
Аннотация:The thermal and mechanical characteristics of fast-quenched amorphous Zr–Cu–Al alloys with various concentrations of copper and aluminum are studied. It is shown that the crystallization temperature of glass-like compositions increases when copper is replaced with aluminum in concentrations of up to 10 wt %, and that the hardness, Young’s modulus, and fracture stress increase only at low concentrations of aluminum (no more than 6 at %). Upon a further increase in the concentration of the alloying element, fracture stress σf decreases because of the change in the fracture mechanism, despite high hardness and Young’s modulus.