Shape memory effect of spherical indentation in NiTi alloys

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  • NiTi形状記憶合金における球圧子押し込み変形と形状記憶効果

Abstract

<p>Spherical indentation of an equiatomic nickel titanium shape memory alloy was conducted. The depth profile measured with a laser confocal microscope revealed that the indentation is accompanied with “sink-in” volume, which can exhibit nearly perfect shape memory effect. The depth of sink-in is as large as the half or the depth of indentation and thus cannot be ignored.</p>

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