REPEATED IMPACT RESPONSE OF SANDWICH COMPOSITES

Kadum Jassim, Aidel

	REPEATED IMPACT RESPONSE OF SANDWICH COMPOSITES
Journal of Engineering and Sustainable Development
Article 1, Volume 21, Issue 4, 2017, Pages 71-85
Author
Aidel Kadum Jassim
Abstract
Due to high mechanical properties like high strength, and light weight, fiber-reinforced/core have been commonly utilized in structural sandwich composites that are used in many diverse engineering areas like complex aircraft and automobile parts, wind turbine blades, cage systems also and so on. In this study, Vacuum assisted resin infusion molding (VARIM) was used to manufacture two types of synthetic sandwich composites by using 80 °C for duration of 8 hours. Stacking sequences of sandwich composites were [0º/90º/0º/PVC foam 10 mm /0º/90º/0º] and {0º/90º/PVC foam 5 mm /0º/0º/PVC foam 5mm /90º/0º}with constant thickness. The experimental investigation on two types of synthetic sandwich composites by using repeated impact for different impact energy from 5 to 20 J at room temperature was compared. Specimens prepared with dimension 100 mm square were subjected to low velocity impact (LVI). The results are are obtained show that the sandwich composites with multi core are stiffer than the normal sandwich composites.
Keywords
Due to high mechanical properties like high strength; and light weight; fiber; Reinforced; wind turbine blades; cage systems also and so on; In this study; Vacuum assisted resin infusion molding; Stacking sequences of sandwich composites were; The experimental investigation on two types of synthetic sandwich composites by using repeated impact for different impact energy from; Specimens prepared with dimension; The results are obtained show that the sandwich composites with multi core are stiffer than the normal sandwich composites

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