Phase transformations of σ-FeCr induced by ball milling

Author: Costa B.   Loureiro J.   Caër G.  

Publisher: Springer Publishing Company

ISSN: 0304-3843

Source: Hyperfine Interactions, Vol.165, Iss.1-4, 2005-09, pp. : 107-112

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Abstract

A tetragonal sigma phase σ-Fe0.54Cr0.46 transforms gradually into a bcc phase by ball-milling in argon. Mössbauer spectroscopy shows further the presence of an amorphous phase. It starts to form after 25 h of milling in our experimental conditions.