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http://dx.doi.org/10.7234/composres.2017.30.5.267

Application of AE for Fracture Behavior Evaluation of Carbon-fiber/SiC Reinforced Plastic Composites  

Ryu, Yeong Rok (Safety & Environment Part, Production Support Team, Taihan Electronic Wire Co., Ltd.)
Kwon, Oh Heon (Department of Safety Engineering, Pukyong National University)
Publication Information
Composites Research / v.30, no.5, 2017 , pp. 267-272 More about this Journal
Abstract
In this study, SiC powder was added to twill woven carbon fiber reinforced plastic (CFRP) composites to improve its mechanical properties. An acoustic emission (AE) frequency analysis method was suggested for the prediction of failure behaviors. Tensile tests were conducted and the fracture characteristics of each component of the SiC reinforced composite were evaluated using AE. The results showed that SiC powder improved the strength of twill woven CFRP composites and the fracture behavior of the SiC reinforced CFRP composite and its crack extension could be effectively evaluated on the basis of the specific AE frequency bands which are 100 to 228 kHz and 428 to 536 kHz upon the resin failure and 232 to 424 kHz due to addition of SiC powder and 576 to 864 kHz at the fiber breakage.
Keywords
Carbon fiber; Acoustic emission; Specific frequency band; SiC powder; Fracture behavior;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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