Design of Microwave Plasma and Enhanced Mechanical Property of Thermoplastic Composites Reinforced with the Microwave Plasma Treated Carbon Fiber Fabric

Title
Design of Microwave Plasma and Enhanced Mechanical Property of Thermoplastic Composites Reinforced with the Microwave Plasma Treated Carbon Fiber Fabric
Authors
김소영노예지김성륜이헌수
Keywords
복합재료; 탄소섬유; 열가소성; 플라즈마; 마이크로웨이브
Issue Date
2013-02
Publisher
한국진공학회
Abstract
Microwave plasma equipment was used to improve interfacial bonding and mechanical interlocking between CFF and the polymer matrix. In this study, the microwave plasma treatment that discharged with argon did not induce chemical changes in the CFF and that the chemical adsorption ability of the plasma-treated CFF was not altered. The defect level of the plasma-treated CFF was not significantly altered. However, an increase in the surface roughness of the plasma-treated CFF was induced by the micro-cavities, and a remarkable increase in skin fragments and striations on the surface was observed, which indicated that the mechanical interlocking ability between the plasma-treated CFF and matrix was enhanced. The tensile strength of the as-received and plasma-treated CFFRCs was enhanced by approximately 362.5 % and 436.3 %, respectively, compared with that of the pCBT matrix. Additional improvements in the tensile strength of CFFRC by the plasma treatment were confirmed, and the improvements were found to originate from an enhancement of the interfacial bonding between the resin and plasma-treated CFF due to the enhanced mechanical interlocking between the resin and plasma-treated CFF.
URI
http://pubs.kist.re.kr/handle/201004/44551
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KIST Publication > Conference Paper
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