Abstract

Utilizing57Fe and119Sn Mossbauer spectroscopy, the microscopic behavior of metallic powders has been investigated during and after the mechanical alloying (MA) process. A conventional ball-milling method is employed and the following combinations of metallic powders have been studied for their MA; Al−Fe, Fe−Sn and Ag−Fe. Mossbauer spectra show the occurrence of mutual atomic dispersion during the MA process even for the Ag−Fe system which is known as mutually immissible even in the liquid state. Formation of an amorphous phase in the Al−Fe system has been detected.

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