CONTINUOUS FIBER REINFORCED RESIN COMPOSITE MATERIAL AND METHOD OF PRODUCING THE SAME
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United States of America Patent
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Dec 21, 2023
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Nov 10, 2021
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Nov 10, 2020
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Abstract
It is an object of the present disclosure to provide a continuous fiber reinforced resin composite material having good acoustic emission signals, high strength, elastic modulus, and water absorption characteristics, and a method of producing the same. The continuous fiber reinforced resin composite material contains continuous reinforcing fibers and thermoplastic resin, wherein an acoustic emission (AE) count A determined by the following formula is 0.30 or less: (AE count A)=(number of AE signals having amplitude of 40 dB or more and duration of 3500 μseconds or shorter)/(total number of AE signals).
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