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Coarse synthetic fibers are mixed with fine synthetic fibers
2024.03.20
The steel fiber with higher strength and better toughness can improve the initial crack stress and ultimate strength of FRC specimens, and the more flexible PP coarse fiber can improve the toughness and post-crack compatibility of FRC specimens. Smaller diameter synthetic fibers can bridge microcracks and control their development, and improve the tensile strength of the composite material; larger diameter coarse table fibers can hinder the development of large cracks and improve the toughness of the material. In the hybrid fiber combination, the mixture of wavy PP coarse fiber, carbon fiber and PP fine fiber can produce the best synergistic enhancement effect
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