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High Velocity Impact Analysis Of Glass Epoxy-Laminated Plates

Hameed Sultan, Mohamed Thariq (2007) High Velocity Impact Analysis Of Glass Epoxy-Laminated Plates. Masters thesis, Universiti Putra Malaysia.

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Abstract

An experimental investigation on the effect of thickness on fiberglass reinforced epoxy matrix which is subjected to impact loading was conducted. The composite structure consists of Type C-glass/Epoxy 200 g/m2 and Type C-glass/Epoxy 600 g/m2. The material is used as a composite reinforcement in high performance applications since it provides certain advantages of specific high strength and stiffness as compared to metallic materials. This study investigates the mechanical properties, damage characterization and impact resistance of both composite structures, subjected to the changes of impact velocity and thickness. For mechanical properties testing, the Universal Testing Machine was used while for the high velocity impact, a compressed gas gun equipped with a velocity measurement system was used.From the results, it is found that the mechanical properties, damage characterization and impact resistance of Type C-glass/Epoxy 600 g/m2 posses better toughness, modulus and penetration compared to Type C-glass/Epoxy 200 g/m2. A general trend was observed on the overall ballistic test results which indicated that as the plate specimen thickness continues to increase, the damage at the lower skin decreases and could not be seen. Moreover, it is also found that, as the plate thickness increases, the maximum impact load and impact energy increases relatively. Impact damage was found to be in the form of perforation, fiber breakage and matrix cracking. Results from this research can be used as a reference in designing structural and body armour applications in developing a better understanding of test methods used to characterize impact behaviour.

Item Type:Thesis (Masters)
Chairman Supervisor:Professor ShahNor bin Basri, PhD
Call Number:FK 2007 32
Faculty or Institute:Faculty of Engineering
ID Code:5224
Deposited By: Nurul Hayatie Hashim
Deposited On:07 Apr 2010 10:33
Last Modified:27 May 2013 07:21

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