Abstract
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.
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Mridha, S., Arora, H.S., Lefebvre, J. et al. High Temperature In Situ Compression of Thermoplastically Formed Nano-scale Metallic Glass. JOM 69, 39–44 (2017). https://doi.org/10.1007/s11837-016-1961-7
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DOI: https://doi.org/10.1007/s11837-016-1961-7