Interlaminar Toughening and Surface Treatment Techniques for Carbon Fibre Reinforced Polymers (CFRP) and CFRP/Light-Alloy Composites — Aiming for Practical Applications

Yunsen Hu

Research output: ThesisDoctoral Thesis

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Abstract

Due to the presence of resin-rich regions between carbon fibre plies and the lack of fibre reinforcement in the though-thickness direction, carbon fibre reinforced polymers (CFRPs) are susceptible to out-of-plane loadings. In this thesis, an aramid pulp (AP) micro-/nano-fibre interlaminar toughening technique was proposed to improve the out-of-plane performance of CFRP laminates. Alternatively, CFRP laminates can be adhesively joined with light alloys to enhance the damage tolerance. Surface treatments for enhancing adhesive bond strength were investigated. A simple analytical solution for the flexural fracture of composite laminates with cracks (e.g. shallow surface scratches) was also studied.
Original languageEnglish
QualificationDoctor of Philosophy
Awarding Institution
  • The University of Western Australia
Supervisors/Advisors
  • Leong, Yee-Kwong, Supervisor
  • Wittek, Adam, Supervisor
  • Hu, Xiao, Supervisor
Thesis sponsors
Award date16 Nov 2022
DOIs
Publication statusUnpublished - 2022

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