Microstructural mechanisms of hysteresis and transformation width in NiTi alloy from molecular dynamics simulations
Gabriel Plummer,
Mikhail I Mendelev,
Othmane Benafan
et al.
Abstract:Martensitic transformations in shape memory alloys are often accompanied by thermal hysteresis, and engineering this property is of prime scientific interest. The martensitic transformation can be characterized as thermoelastic, where the extent of the transformation is determined by a balance between thermodynamic driving force and stored elastic energy. Here we used molecular dynamics simulations of the NiTi alloy to explore hysteresis-inducing mechanisms and thermoelastic behavior by progressively increasin… Show more
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