Abstract
Effect of water absorption on Charpy impact value has been studied for a carbon fiber reinforced polyimide (CFRP). The water absorption for 200,000 s lasting more than two days enhanced the impact value and softened the CFRP. The impact value was 13.4% higher than that of CFRP before treatment, although it. The water absorption also enhanced Weibull coefficient (n), indicator of reproducibly, and the lowest impact value (as) estimated by modified Weibull equation for safety design. Consequently, the high reliability of CFRP was confirmed even in the water absorbed envelopment.
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Schedule a callMore From: Journal of the Japan Institute of Metals and Materials
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