|Titolo:||Formation of metastable solid solutions by mechanical alloying of immiscible Ag and Bi|
|Data di pubblicazione:||2013|
|Abstract:||This work investigates the effects of the Vickers micro-hardness of Ag powders on the alloying process undergone by Ag90Bi10 powder mixtures submitted to ball milling. The transformation kinetics has been studied by quantitative X-ray diffraction. The experimental findings indicate that Bi gradually dissolves into Ag, finally forming a crystalline solid solution in which thermodynamic solubility limits are largely exceeded. It is shown that the rate of Bi dissolution, and the solubility degree, decrease as the Vickers micro-hardness of Ag powders increases|
|Tipologia:||1.1 Articolo in rivista|
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