Improving the ductility of amorphous alloys via severe plastic deformation

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Amorphous alloys are the strongest metallic materials. However, the brittle nature of the materials has significantly limited their applicability in reliability-critical structural applications. Despite significant worldwide efforts, improvement of the ductility has been limited to amorphous alloys with only a few specific compositions. This project aims to develop a universal approach to substantially enhancing the ductility of amorphous alloys through the application of severe plastic deformation, to explore the effect of severe plastic deformation on structure, and to reveal the fundamental mechanisms of the mechanical behaviour of amorphous alloys. The results are expected to enable structural design of amorphous alloys with excellent ductility.