# COMBINED ISOTROPIC-KINEMATIC HARDENING LAWS WITH ANISOTROPIC BACK-STRESS EVOLUTION FOR ORTHOTROPIC FIBER-REINFORCED COMPOSITES

> Title: COMBINED ISOTROPIC-KINEMATIC HARDENING LAWS WITH ANISOTROPIC BACK-STRESS EVOLUTION FOR ORTHOTROPIC FIBER-REINFORCED COMPOSITES Page Range: p.225-233 Author(s): Lee M G; Chung K K; Youn J R; Kang T J File size: 231K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal:...

Canonical URL: https://polymerjournals.com/combined-isotropic-kinematic-hardening-laws-with-anisotropic-back-stress-evolution-for-orthotropic-fiber-reinforced-composites/
Published: 2004-03-01T00:00:00+00:00
Categories: Polymers and Polymer Composites

**Title: COMBINED ISOTROPIC-KINEMATIC HARDENING LAWS WITH ANISOTROPIC BACK-STRESS EVOLUTION FOR ORTHOTROPIC FIBER-REINFORCED COMPOSITES**
 Page Range: p.225-233
 Author(s): Lee M G; Chung K K; Youn J R; Kang T J
 File size: 231K
 ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-3&JournalID=100137&JIP=) (subscribers only)
 ![](http://handbuy.gif) Buy the pdf (non-subscribers)
 Journal: Polymers and Polymer Composites
 Issue Year: ppc
 Volume: 12
 Issue No: No. 3

**Abstract**
 In order to develop the theory of plasticity for orthotropic fibre-reinforced composites, a new combined isotropic-kinematic hardening law with the anisotropic back-stress evolution, was developed under the elasto-plasticity scheme. To account of the anisotropic yield function, Hill's quadratic yield function was used. The stress update scheme based on the incremental deformation theory was also developed. Example solutions confirmed that the new constitutive equation well represented the Bauschinger and transient behaviours, as well as the directional dependence of the back-stress evolution for the highly anisotropic materials such as fibre-reinforced composites. 16 refs.

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