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High Temperature In Situ Compression of Thermoplastically Formed Nano-scale Metallic Glass
Mridha S., Arora H.S., Lefebvre J., Bhowmick S., Mukherjee S.
Published in Minerals, Metals and Materials Society
Volume: 69
Issue: 1
Pages: 39 - 44
The mechanical behavior of nano-scale metallic glasses was investigated by in situ compression tests in a scanning electron microscope. Platinum-based metallic glass nano-pillars were fabricated by thermoplastic forming. The nano-pillars and corresponding bulk substrate were tested in compression over the range of room temperature to glass transition. Stress–strain curves of the nano-pillars were obtained along with in situ observation of their deformation behavior. The bulk substrate as well as nano-pillars showed an increase in elastic modulus with temperature which is explained by diffusive rearrangement of atomic-scale viscoelastic units. © 2016, The Minerals, Metals & Materials Society.
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Published in Minerals, Metals and Materials Society
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