Abstract

It is shown that it is possible to an almost double increase nickel titanium fatigue characteristics using a low-energy high-current electron beam surface treatment of microsecond duration with the following parameters - energy density E s = 1.5 and 3.7 J/cm2, the number of pulses n = 5. Due to surface cleaning from particles/inclusions of Ti2Ni, TiC(O) and the presence of residual compressive stresses in the rapidly quenched surface layer of TiNi oriented perpendicular to the irradiation surface.

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