Compressive failure of woven fabric reinforced thermoplastic composites with an open-hole: An experimental and numerical study

Haibao Liu, Brian G. Falzon, Shipeng Li, Wei Tan, Jun Liu, Hui Chai, Bamber R. K. Blackman, John P. Dear

Research output: Contribution to journalArticle

10 Citations (Scopus)
34 Downloads (Pure)

Abstract

This research presents a detailed experimental and numerical study on the compressive failure of woven fabric reinforced thermoplastic composites, with an open-hole and with a pinned open-hole. The experimental evaluations are performed on the composite specimens using the Combined Loading Compression (CLC) evaluation method. Experimental results, including load response and damage morphology, are obtained and analysed. A novel meso-scale damage model is developed, based on Continuum-Damage-Mechanics (CDM), for predicting damage in woven fabric reinforced composites. The developed model, which can capture fibre fracture and matrix cracking, as well as the nonlinear response within the woven composite materials, is employed to conduct virtual Combined Loading Compression (CLC) tests. Numerical simulation results are compared with the extracted experimental results for model validation. Good correlation is achieved between experimental and computational results for both the open-hole and the pinned open-hole, with a two-stage failure process being observed for the pinned open-hole.
Original languageEnglish
Pages (from-to)108-117
Number of pages10
JournalComposite Structures
Volume213
Early online date19 Jan 2019
DOIs
Publication statusPublished - 01 Apr 2019

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