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http://dx.doi.org/10.7234/kscm.2009.22.3.082

Effect of Filled Hole on Strength Behavior of CFRP Composites at Cold Temperature Dry and Elevated Temperature Wet  

Kim, Hyo-Jin (한국폴리텍 항공대학)
Publication Information
Composites Research / v.22, no.3, 2009 , pp. 82-88 More about this Journal
Abstract
The effect of open and filled holes on the strength behavior of carbon fiber reinforced polymeric (CFRP) composites was investigated. The strength was measured at room temperature dry, cold temperature dry, $-55^{\circ}C$, and elevated temperature wet, $108.3^{\circ}C$ on several different laminate configurations. Based on the experimental data presented, it is shown that the filled hole tensile strength is larger than that of open hole by reducing damage around the hole due to the constraint imposed by the fastener. The tensile strength at cold temperature dry, $-55^{\circ}C$ is increased with the brittleness by the thermal expansion coefficient of fiber and matrix. The compressive strength at elevated temperature wet, $108.3^{\circ}C$ is decreased by the cause of interfacial deterioration between fiber and matrix with moisture absorption.
Keywords
carbon fiber reinforced composite; open hole; filled hole; cold temperature dry; elevated temperature wet; strength;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
연도 인용수 순위
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