Abstract

An analysis of the influence of heat treatment on the features of variation in parameters of multiple shapememory effect for porous titanium nickel produced by the method of self propagating high-temperature synthesis (SHS) is presented. It is shown that heat treatment of porous titanium nickel substantially affects its structure and physicomechanical properties. Annealing at the temperatures within T = 400–600°C favors an improvement of its physicomechanical characteristics and manifestation of the maximum shape memory effect. It is revealed that a further increase in the temperature, however, results in deterioration of its properties. An optimal temperature of heat treatment of articles made from pore-permeable titanium nickel is proposed – T = 400–450°C for 1 hour in vacuum.

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