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http://dx.doi.org/10.3796/KSFT.2002.38.4.300

A Study on the Impact Fracture Behavior of Carbon Fiber Reinforced Plastics  

고성위 (부경대학교)
김학돌 (부산기계공고)
엄윤성 (부경대학교)
최영근 (부경대학교)
김형진 (경상대학교 해양산업연구소)
김재동 (경상대학교 해양산업연구소)
김엄기 (공주대학교)
Publication Information
Journal of the Korean Society of Fisheries and Ocean Technology / v.38, no.4, 2002 , pp. 300-306 More about this Journal
Abstract
In this paper the failure mechanisms and Charpy impact tests of carbon fiber polypropylene composites have been studied in the temperature range -5$0^{\circ}C$ to 6$0^{\circ}C$ and 3 different supported length of specimen (span length). There are significant effects of temperature and span length on impact fracture toughness, which shows a peak at ambient temperature and decrease as temperature is reduced. Fracture toughness shows a maximum at span length s=20mm. Failure mechanisms are characterized based on SEM examination, which is correlated the measured fracture toughness. Mafor mechansms of this composites can be classified as fiber matrix debonding, delamination, fiber pull-out and matrix deformation.
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