Journal
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
Volume 169, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesa.2023.107493
Keywords
Constant lifetime diagram; Porosity; SEM; Wind energy
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The study investigates the dependence of fatigue resistance on the fiber volume fraction of a non-crimp glass fiber fabric reinforced polyester polymer matrix composite, ranging from 55% to 60% fiber volume. The experimental investigation includes tension-tension, tension-compression, and compression-compression cyclic loading cases, considering both overall and local fiber volume fractions. It is observed that higher fiber volume fraction cases also have higher porosity densities. The tension-tension fatigue loading is found to be most dependent on the fiber volume fraction, while the compression-compression case shows the least dependency.
The dependency of the fatigue resistance on the fiber volume fraction of a non-crimp glass fiber fabric reinforced polyester polymer matrix composite is investigated, in the range of 55% to 60% fiber volume. The experimental investigation cover tension-tension, tension-compression, and compression-compression cyclic loading cases. Both an overall and local fiber volume fraction are considered. It is observed that the high fiber volume fraction cases also have higher porosity densities. The tension-tension fatigue loading is found to be most dependent on the fiber volume fraction, while the compression-compression load case is found to have the least dependency.
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