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Acta Mechanica Solida Sinica

, Volume 26, Issue 5, pp 491–499 | Cite as

Application and Theoretical Analysis of C/SiC Composites Based on Continuum Damage Mechanics

  • Yanjun Chang
  • Guiqiong Jiao
  • Keshi Zhang
  • Bo Wang
  • Jiannwen Ju
Article

Abstract

Based on the thermodynamic theory, an orthotropic damage constitutive model was developed to describe the nonlinear mechanical behavior of C/SiC composites. The different nonlinear kinematic and isotropic hardening functions were adopted to describe accurately the damage evolution processes. The damage variables were defined with the damaged modulus and the initial undamaged modulus on energy equivalence principle. The initial orthotropy and damage coupling were presented in the damage yield function. Tensile and in-plane shear loading and unloading tests were performed, and a good agreement between the model and the experimental results was achieved.

Keywords

orthotropic damage constitutive model C/SiC composites damage unrecoverable strain damage isotropic hardening damage kinematic hardening 

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Copyright information

© The Chinese Society of Theoretical and Applied Mechanics and Technology 2013

Authors and Affiliations

  • Yanjun Chang
    • 1
    • 2
  • Guiqiong Jiao
    • 2
  • Keshi Zhang
    • 1
  • Bo Wang
    • 2
  • Jiannwen Ju
    • 1
    • 3
  1. 1.College of Civil Engineering & ArchitectureGuangxi UniversityNanningChina
  2. 2.School of Mechanics and Civil ConstructionNorthwestern Polytechnical UniversityXi’anChina
  3. 3.Department of Civil and Environmental EngineeringUniversity of CaliforniaLos AngelesUSA

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