Abstract
In this study, the influence of size and location of embedded delamination on impact behavior of laminated composite was investigated, experimentally. The specimens were produced as for with and without delamination by vacuum assisted resin infusion molding method (VARIM). CEAST-Fractovis plus impact test machine was used in the experiments. As a result of the experiments, the location of delamination on the impact behavior was seen to be more effective than the size of delamination.
Highlights
In recent years, composite materials have been widely used in almost all engineering fields such as automotive, aerospace, civil engineering structures compared to traditional metallic materials, due to their higher stiffness/weight and strength/weight ratios
In order to investigate the effects of embedded delamination on the impact behavior of laminated composite, contact forcetime and contact force-deflection histories were obtained with the help of data acquisition system (DAS)
This study presents the influence of size and location of embedded delamination on impact behavior of laminated composite, experimentally
Summary
Composite materials have been widely used in almost all engineering fields such as automotive, aerospace, civil engineering structures compared to traditional metallic materials, due to their higher stiffness/weight and strength/weight ratios. During the manufacturing process or maintenance, tools can be dropped on the structure of the aforenamed industries [1]. In this case, impact velocities are small, the influence of the mass is larger. One of the properties of the laminated composite structures is more susceptible to impact damage than similar metallic structures. If a composite laminate is subjected to low-velocity impact, invisible damage consisting of internal delamination might be occurred. This internal damage can cause severe reductions in strength and can grow under load. Many researchers have presented numerous studies to investigate the impact behavior of composite materials
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