Abstract
Abstract Glass fiber reinforced polymer matrix composites are widely used in many applications such as aerospace, automobile, marine, electrical etc. because of its superior mechanical property coupled with minimum weight requirements of the component. The performance of a composite part gets mostly affected by the residual stresses, stacking sequences due to relation with in-plane stresses. This study investigates performance of multidirectional laminates using bi-directional plain-weave glass fabric, the alteration in stacking sequence is done in, in-between plies, keeping inner and outer ply orientation constant. Laminates are made by hand layup and compression moulding technique. Five class of laminate, keeping stacking sequence of [0°/(0°)2/0°]S, [0°/(15°)2/0°]S, [0°/(30°)2/0°]S, [0°/(60°)2/0°]S, [0°/(75°)2/0°]S are manufactured and tested for interlaminar shear stress using ASTM D2344-16 standard on fully computerised UTM with strain rate of 1 mm/s. It is seen that laminate performance exhibits dependency on orientation of in between plies. The Laminates with all plies oriented in 0° position depicts lowest ILSS whereas the laminate having 60° ply in between possesses highest ILSS
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