Abstract

We corroborated the results of Trudeau et al. [Phys. Rev. Lett. 64 , 99 (1990)] showing that an Fe-B-Si metallic glass undergoes crystallization during milling in a Spex ball mill. We find, however, that after milling the partially-crystallized powders could not be fully reverted to a metallic glass by piston-anvil quenching from the liquid state. We measured significant iron contamination in the as-milled powders, and particles of α-Fe could induce crystallization in iron-rich regions in their vicinity. Our results do not support the concept of a mechanically-driven crystallization.

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