Acta Mechanica Solida Sinica

, Volume 25, Issue 3, pp 277–284 | Cite as

Deformation Analysis and Failure Modelling of Woven Composite Preform in General Bias Extension

Article

Abstract

A series of bias extension tests was carried out on balanced plain woven composite preforms with various aspect ratios, disclosing that different aspect ratios may result in different initial failures. An energy method is adopted to quantify several deformation modes. By the competition of the required energies, the initial failure is predicted, showing a good accordance with the experimental observation. The results of the present research are valuable for the further understanding of the material’s behaviour in bias extension test. It also provides an effective way for modelling the material’s formability in other more complicated forming processes.

Key words

band-gap materials periodic structure forming failure energy methods 

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Copyright information

© The Chinese Society of Theoretical and Applied Mechanics and Technology 2012

Authors and Affiliations

  1. 1.Department of Mechanical EngineeringHong Kong University of Science and TechnologyHong KongChina
  2. 2.Institute of Textiles and ClothingHong Kong Polytechnic UniversityHong KongChina

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