Paper Title:
Structure and Functional Properties of Ti-Ni-Based Shape Memory Alloy after Electroplastic Deformation
  Abstract

Application of electroplastic deformation (EPD) by rolling to bulk long-sized samples of Ti-50.7 at.%Ni alloy allows increasing of the deformation strain without macrofailure by 1.5 to 3 times in comparison to cold rolling without electrical current application. Structure formation and functional properties were studied after various EPD regimes: current density (84 to 168 А/mm2) and impulse duration (80 and 160 ms). When the stage of mixed nanocrystalline and amorphous structure formation is reached as a result of EPD, a post-deformation annealing at 400 °С leads to a nanocrystalline structure formation in austenite and highest recovery stress values generation by the martensite.

  Info
Periodical
Materials Science Forum (Volumes 584-586)
Edited by
Yuri Estrin and Hans Jürgen Maier
Pages
982-987
DOI
10.4028/www.scientific.net/MSF.584-586.982
Citation
I. Gurtovaya, S. Prokoshkin, K.E. Inaekyan, A. Korotitskiy, V. V. Stolyarov, A. M. Glezer, S. Makushev, I. Khmelevskaya, U. Ugurchiev, S. Manaenkov, "Structure and Functional Properties of Ti-Ni-Based Shape Memory Alloy after Electroplastic Deformation", Materials Science Forum, Vols. 584-586, pp. 982-987, 2008
Online since
June 2008
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Price
$32.00
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