Chapter

Information Computing and Applications

Volume 308 of the series Communications in Computer and Information Science pp 717-723

Mechanical Behaviors of Shape Memory Alloys Concerning Small-Strain and Large-Strain Methods

  • Jie YaoAffiliated withSchool of Mechanical and Electronic Engineering, Jingdezhen Ceramic Institute
  • , Yong-hong ZhuAffiliated withSchool of Mechanical and Electronic Engineering, Jingdezhen Ceramic Institute
  • , Yun-zhang WuAffiliated withInstitute of Solid Mechanics, Beijing University of Aeronautics and Astronautics

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Abstract

Based on thermodynamics and phase transformation driving force, a SMA constitutive model is provided. Simulations under different loading illustrate the influence of large strain deformation and small strain deformation on the characteristics of the model. The results indicate that the difference between the two methods is small under uniaxial tension, while the influence is very different under shear deformation case. The result has been stimulated by a example which test efficiently the result.

Keywords

Shape memory alloys Modeling Large strain Small strain