Chambers, A.R., Earl, J.S., Squires, C.A. and Suhot, M.A.
The effect of voids on the flexural fatigue performance of unidirectional carbon fibre composites developed for wind turbine applications
International Journal of Fatigue, 28, (10), . (doi:10.1016/j.ijfatigue.2006.02.033).
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The influence of voids in the initiation and propagation of static flexural and flexural fatigue failures of unidirectional carbon fibre composite was investigated. Vacuum pressure in the vacuum bag oven cure process was varied to produce void levels in the range 0.5–6%. The voids were characterised using image analysis and used to explain the static flexural strengths and flexural fatigue results. It was observed that mean void content and aspect ratios were less effective in explaining the mechanical property results than void size distributions. A strong correlation between large voids (area > 0.03 mm2) and a detrimental effect on the mechanical properties was found. This was attributed to the effect of these voids on the crack propagation in the resin rich inter-ply regions.
|Digital Object Identifier (DOI):
||This paper is a new approach to understanding the effect of voids through their characteristics (shape, size and distribution on the flexural properties of composite materials. Research sponsored by industry ( D Bannister , Technical Director, Gurit Composites. International Journal fo Fatigue is the most appropriate choice for this research.Self assessment rating 3
||aspect ratio, cracks, delamination, fatigue, flexural strength, matrix cracking, stiffness reduction, voids, void size, void distribution
|3 April 2006||Published|
||12 Apr 2006
||16 Apr 2017 22:44
|Further Information:||Google Scholar|
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