Abstract

The dendrites in the Ti66.1Cu8Ni4.8Sn7.2Nb13.9 nanostructure–dendrite composite deformed up to 25% reveal an interaction of primary and secondary shear bands. A detailed analysis of the lattice images of the interaction regions in the dendrites using high resolution transmission electron microscopy indicates local amorphization and lattice distortion∕disordering near to the apex of the primary shear bands in the dendrite. Furthermore, moiré fringes are formed at the edge of the interaction regions between the primary and secondary shear bands suggesting gradual structural changes in the dendrites.

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