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Vol.52, No.1, 73 ~ 80, 2014
Title
Tensile Properties of Glass-Basalt/Epoxy Interply Hybrid Composites
김지훈 Ji Hoon Kim , 김연직 Yon Jig Kim
Abstract
This study investigates the tensile properties of a glass-basalt/epoxy interply hybrid composite. The objective of this work is to develop an environmentally friendly hybrid composite material that has good strength and stiffness. These composites were fabricated through a vacuum-assisted resin transfer molding process. The glass/epoxy and basalt/epoxy composite were also prepared to compare the properties. The tensile strength of the hybrid composite improved as the basalt fiber content increased. However, we did not find a variation in the elastic modulus defined as the initial slope of the stress-strain curve for the hybrid composite under tensile loading. When the basalt fiber content of the total reinforcement became 40%, the fracture strain of the hybrid composite was higher than that of the glass/epoxy composite. From the test result, we knew that there is almost no difference between the tensile properties of the hybrid composites with different stacking sequences.
Key Words
fibers, fracture, tensile test, composites
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