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Journal of Failure Analysis and Prevention

, Volume 19, Issue 1, pp 147–153 | Cite as

Finite Element Analysis of Delamination Behaviors of Composite Laminates under Hygrothermal Environment Using Virtual Crack Closure Technique

  • J. G. Li
  • P. F. LiuEmail author
  • J. K. Chu
Technical Article---Peer-Reviewed
  • 32 Downloads

Abstract

This research aims to study the delamination behaviors of T700/8911 composite laminates under hygrothermal environment. For two mixed-mode I/II delamination specimens: single-leg bending delamination and over-leg bending delamination, finite element analysis using virtual crack closure technique as a ABAQUS module is comparatively performed to study the delamination growth and load responses, in which different delamination growth criteria are used. Mechanical tests and analytical solutions for two kinds of specimens are used to get the delamination fracture toughness. Results show that hygrothermal environment decreases the load-bearing ability and delamination resistance to some extent. This work provides a new thread for studying the delamination mechanisms of composite laminates under hygrothermal environment.

Keywords

Delamination Hygrothermal environment Composite laminates Virtual crack closure technology (VCCT) Finite element analysis (FEA) 

Notes

Acknowledgments

Prof. Pengfei Liu would sincerely like to thank the National Key Fundamental Research and Development Project of China (No. 2015CB057603) and the National Natural Science Funding of China (No. 51875512).

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Copyright information

© ASM International 2019

Authors and Affiliations

  1. 1.Institute of Chemical Machinery and Process Equipment, School of Energy EngineeringZhejiang UniversityHangzhouChina
  2. 2.Ocean College, Zhejiang UniversityZhoushanChina

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