http://www.sciencedirect.com/science/article/B6TWY-4V34RFW-N/2/c9147c3fe84413d6b8e8875146fc1b0b
http://www.sciencedirect.com/science/article/B6TXM-4TRM3MB-3/2/a3801608d0695335d1eccf6692a4287d
Abstract A tetragonal sigma phase s-Fe0.54Cr0.46 transforms gradually into a bcc phase by ball-milling in argon. Mssbauer spectroscopy shows further the presence of an amorphous phase. It starts to form after 25 h of milling in our experimental conditions. ; http://dx.doi.org/10.1007/s10751-006-9253-1
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