Grain refinement and amorphization in nanocrystalline NiTi micropillars under uniaxial compression
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DOI: 10.1016/j.scriptamat.2018.05.034
Abstract: Abstract Microscale plastic deformation mechanisms of nanocrystalline NiTi micropillars with an average grain size (GS) of 65 nm are investigated by uniaxial compression. Cuboidal NiTi micropillars with uniform cross-sectional area along the height are manufactured by… read more here.
Keywords: compression; niti micropillars; nanocrystalline niti; uniaxial compression ... See more keywords
Ultrahigh cycle fatigue deformation of polycrystalline NiTi micropillars
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DOI: 10.1016/j.scriptamat.2021.114108
Abstract: Abstract Bulk polycrystalline superelastic NiTi shape memory alloy usually has limited fatigue lives. Here we show that polycrystalline superelastic NiTi micropillars under compressive stresses of 1 GPa and 1.5 GPa can endure over 10 8… read more here.
Keywords: polycrystalline niti; cycle fatigue; polycrystalline; ultrahigh cycle ... See more keywords