Analysis of the mechanical and shape memory behaviour of nitrogen ion-implanted NiTi alloy |
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Authors: | N Levintant |
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Affiliation: | Institute of Fundamental Technological Research PASc., 21 Swietokrzyska Street, 00-049 Warsaw, Poland |
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Abstract: | Experimental results of an accumulation and return strain behaviour of the modified surface of NiTi alloy, as well as mechanical and shape memory behaviour, are shown in this paper.Surface of equiatomic NiTi shape memory alloy (in martensitic form) has been modified by high-dose ion-implantation technique using nitrogen ion beam. The low-energy (65 keV) and following high doses have been used: 1×1017, 5×1017 and 1×1018 J/cm2. Correlation between subsurface layers elemental composition of NiTi alloy, microstructure and shape memory properties is shown. |
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Keywords: | Ion implantation Shape memory effect Differential scanning calorimetry (DSC) NiTi alloy Indentation test |
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