Abstract
The morphology of shear bands in two partially crystallised metallic glasses, Ni 80B 20 and Cu 50Zr 50, is deduced by transmission and scanning electron microscopy. A number of different types of crystal/shear band interaction have been characterised, providing evidence both for the dilatational model of shear band deformation and for long range interactions between an operating shear band and a stress raiser in the amorphous matrix. Qualitative differences in the mechanical properties of the two partially crystallised glasses examined are rationalised in terms of the interactions observed.
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