Shape memory effect of nano-ferromagnetic particle doped NiTi for orthopedic devices and rehabilitation techniques

Gautam, Arvind and Balouria, Anuradha and Acharyya, Amit and Acharyya, Swati Ghosh and Panwar, Madhuri and Naik, Ganesh R (2017) Shape memory effect of nano-ferromagnetic particle doped NiTi for orthopedic devices and rehabilitation techniques. In: 39th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), 11-15 July 2017, Jeju Island, South Korea,.

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Abstract

This paper introduces a novel shape memory alloy (SMA) material for the controllability in the shape recovery of traditional SMA for orthopedic devices and rehabilitation techniques. The proposed material is formed by doping nano-ferromagnetic particle into porous NiTi alloy. The finite element analysis of shape memory effect property of the different distribution of nano-ferromagnetic particle is done and compared for same load and boundary conditions. The comparative analysis of the percentage change in volume deformation when load is released (for 2nd step) shows an average of 2.55 % with standard deviation of 1.69 whereas on thermal loading (for 3rd step) shows an average of 94.94% with standard deviation of 7.75 for all heterogeneous distribution of nano-particles in porous NiTi alloy. Our findings are, all the different conditions of heterogeneous distributions of nano-ferromagnetic particle doped NiTi alloy exhibits its inherent SME property.

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