Paper Title:
Simulation on Uniaxial-Tension Behavior of NiTi Shape Memory Alloy Films
  Abstract

Based on experimental results reported in the reference, Liang-Rogers’ constitutive model for SMA is used to simulate the stress-strain curves of NiTi shape memory alloy films under uniaxial tension with isothermal conditions. The effects of film compositions and temperature on the tensile behavior of NiTi shape memory alloy films are discussed. By comparing the simulation results with the experimental results, it is found that the simulation curves agree basically with the experimental curves except that the phase-transformation regions are wider in the simulation curves. This demonstrates that the Liang-Rogers’ model can be used to predict the thermomechanical behavior of shape memory alloy films roughly. This study provides some theoretical foundation for the quantitative description and prediction of the actuation mechanism when shape memory alloy films are used as micro-actuators.

  Info
Periodical
Advanced Materials Research (Volumes 79-82)
Edited by
Yansheng Yin and Xin Wang
Pages
1209-1212
DOI
10.4028/www.scientific.net/AMR.79-82.1209
Citation
S. S. Sun, J. Dong, "Simulation on Uniaxial-Tension Behavior of NiTi Shape Memory Alloy Films", Advanced Materials Research, Vols. 79-82, pp. 1209-1212, 2009
Online since
August 2009
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Price
$32.00
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