Structural evolution in the mechanically driven solid state amorphizing transformation of metallic alloys

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Abstract
The solid state amorphizing transformations during mechanical alloying and mechanical grinding of a Ni-V binary system were observed by neutron total scattering using a spallation pulsed neutron facility. The topological mechanisms of crystal-to-amorphous solid structure transition are interpreted in terms of the transformation of octahedral structure units into tetrahedral structure units and the modification of ways of connecting tetrahedral structure units from vertex-sharing into face- and/or edge-sharing ones.