Abstract
An experimental investigation is performed into the mechanical behaviour, fracture properties and glass forming ability (GFA) of Ti-based bulk metallic glass (BMG) with Tin (Sn) addition. The experimental results show that the flow stress and strain rate sensitivity of the considered Ti44Cu40Ni16−xSnx(x=0, 1, 2at.%) alloy system increase with increasing strain and strain rate. The fracture surfaces of the specimens are observed by using Scanning electron microscopy. Moreover, the fracture surfaces have a vein-like characteristic whose density decreases with an increasing strain rate and Sn addition. Finally, 1% Sn addition inhibits the precipitation of crystalline CuTi2 phase and improves both the ductility and the GFA of the alloy system.
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