Applied Mathematics and Mechanics (English Edition) ›› 1996, Vol. 17 ›› Issue (10): 969-978.

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INTERNAL VARIABLES AND THERMODYNAMIC MODELLING OF PSEUDOELASTICITY

Huo Yongzhong   

  1. Department of Engineering Mechanics, Center for Materials Research and Analysis, University of Nebraska-Lincoln, Lincoln, Nebraska 68588-0347, U. S. A.
  • Received:1996-02-02 Online:1996-10-18 Published:1996-10-18

Abstract: Solid-solid phase transitions Often exhibt hysteresis and to describe the hysteretic behavior we need infernal variables Fos. shape memory single crystal under uni-axial tensile loading the internal variable has been identified experimentally as the number of interfaces between the austenitic and the martensitic phase regions . Experimental evidences are discussed here. Thermodynamical modelling based ont he internal variable is presented.

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