Evaluation of Composite Material used in the Wings of Typical Airplane based on Stress Analysis

Tawfeeq W. Mohammed, Dalmn Yaseen Taha and Rafal R. Abdul-Ilah
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Tawfeeq W. Mohammed: Al-Mustansiriyah University, Iraq.
Dalmn Yaseen Taha: Al-Mustansiriyah University
Rafal R. Abdul-Ilah: Al-Mustansiriyah University, Iraq.

European Journal of Engineering and Technology Research, 2018, vol. 3, issue 11, 37-41

Abstract: This research has focused on the evaluation of raw materials that used in the wings of modern airplane. These materials either would be fiberglass, carbon-fiber or aramid based composites like Kevlar. These common materials have been selected and evaluated depending on experimental data obtained from mechanical tests. These tests include: hardness, tensile strength and bending stress. The tests based on ASTM standards for mechanical properties. The results show increasing in the hardness value of graphite-epoxy by 9% comparing with that of fiberglass and by 18% comparing with that of Kevlar-epoxy. The results also show an increasing in the maximum tensile strength of graphite-epoxy by 2.9 times to that of fiberglass and by 5.5 times to that of Kevlar-epoxy. Furthermore, the results of bending stress test show increasing of the maximum strength of Kevlar-epoxy by 30% comparing to that of glass fiber and by 75% comparing to that of graphite-epoxy.

Keywords: composite materials; fiberglass; graphite; Kevlar; airplane (search for similar items in EconPapers)
Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:epw:ejeng0:v:3:y:2018:i:11:id:60921

DOI: 10.24018/ejeng.2018.3.11.921

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