S-Space College of Engineering/Engineering Practice School (공과대학/대학원) Dept. of Chemical and Biological Engineering (화학생물공학부) Journal Papers (저널논문_화학생물공학부)
Effect of Stacking Sequence on the Compressive Performance of Impacted Aramid Fiber/Glass Fiber Hybrid Composite
Cited 10 time in Web of Science Cited 11 time in Scopus
- Issue Date
- Polymer Composites, 21, 231-237
- Aramid fiber/glass fiber hybrid composites were prepared to examine the compressive
performance of impacted composites. The effect of stacking sequence and
surface treatment on compression after impact (CAI) performance of three-layer hybrid
composites was investigated with respect to delamination area. As the impact
velocity increased, the laminates exhibited a significant reduction of compressive
strength owing to larger delamination area within laminate. The surface treatment
of aramid fiber reduced the delamination area and enhanced the resistance to
buckling. The strength reduction of laminate AAA was considerable because of wide
delaminated region, whereas the residual strength of laminate GGG was not affected
by impact energy because the laminate absorbed most of impact energy
through formation of fiber cracks rather than delamination. Considering stacking
sequence, the laminate GAG and GAA exhibited an energy threshold due to insensitivity
to impact damage. As a result, the residual performance of composite was
primarily dominated by delamination extent rather than fiber cracks.
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