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http://dx.doi.org/10.7234/kscm.2010.23.2.031

Fabrication and Evaluation of Composite Panel with Hat-shaped Stiffeners  

Kim, Geon-Hui (경상대학교 기계설계학과 대학원)
Lim, Do-Wan (경상대학교 기계설계학과 대학원)
Choi, Jin-Ho (경상대학교 기계항공공학부, 항공기부품기술연구소)
Kweon, Jin-Hwe (경상대학교 기계항공공학부, 항공기부품기술연구소)
Lee, Tae-Joo (한국항공우주산업 주식회사)
Song, Min-Hwan (한국항공우주산업 주식회사)
Shin, Sang-Joon (한국항공우주산업 주식회사)
Publication Information
Composites Research / v.23, no.2, 2010 , pp. 31-39 More about this Journal
Abstract
In this paper, composite panels with hat-shaped stiffeners were made using the co-curing, co-bonding and secondary bonding methods. Co-curing is a manufacturing method in which the hat part and the plate are cured simultaneously in a manner that is more cost effective than other methods. Co-bonding is a method in which the stacked prepregs are cured with other cured parts, and secondary bonding is a method in which cured parts are bonded together using an adhesive. A rubber mold was manufactured for co-curing of composite panel with hat-shaped stiffeners, and finite element analyses were done to evaluate the expanding pressure of the rubber mold consistent with the curing temperature. The manufactured panels were also evaluated using a 3-D measurement tester and an ultrasonic tester. Pull-off tests were performed to evaluate their mechanical properties.
Keywords
Composite panel; Co-curing; Rubber mold; Pull-off test;
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