Published date:May 06 2018

Journal Title: KnE Material Sciences

Issue title: 15th International School-Conference "New Materials – Materials of Innovative Energy" (MIE)

Pages:117–123

DOI: 10.18502/kms.v4i1.2135

V Glushchenkovvgl@ssau.ru

V Alekhina

R Bikbaev

The material with memory of shape – nitinol – is used in technique as an actuator in various devices of deforming, testing as well as in servo mechanisms. An important characteristic of such actuators is the rate of development of stresses. As a rule, the rod constructions are used in these actuators as power elements. But their use has limitations associated with the need to ensure rapid and uniform over the cross section
heating them as well as with difficulties of methodological nature to create “shape memory”. The paper proposes multilink constructions of actuators consisting of several “thin” power elements. Deformation-force characteristics and the dependence of the rate of increase of load from the rate of heating are considered. Main advantages of such actuators were defined.

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