Abstract

The milled surface topography of nickel-titanium shape memory alloy plays a crucial role in determining both frictional behavior and biocompatibility. Through a combination of simulation and experimentation, this study delves into the influence of radial depth of cut on the formation of surface topography during the milling of nickel-titanium shape memory alloy. The inhibitory effects of work hardening and plastic deformation on material rebound are considered, providing an explanation for the mechanism of topography changes. The results show that the degree of work hardening increases with increasing radial depth of cut, and the residual height increases from 1.31 μm to 11.47 μm, with the error varying from 5.9 % to 2 %. The research aims to inform the improvement of machined surface quality of tiny components in the medical and microelectronics industries.

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