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Vibration analysis of hybrid-reinforced unsaturated polyester composites

Siregar, J. P. and Z. M., Hafizi and M. R. M., Rejab and Jamiluddin, Jaafar and Mohammad Hazim, Mohamad Hamdan and Bachtiar, Dandi and Tezara, C. and S. M., Sapuan (2019) Vibration analysis of hybrid-reinforced unsaturated polyester composites. In: Unsaturated Polyester Resins: Fundamentals, Design, Fabrication and Applications. Elsevier, Amsterdam, Netherlands, pp. 489-514. ISBN 978-0-12-816129-6

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This chapter reviews recent work on natural fiber–reinforced polyester hybrid composites. The vibration behavior of jute/roselle fiber–reinforced unsaturated polyester hybrid composites was also studied. All composite specimens were fabricated with the hand lay-up method, but with different layering sizes and sequences. A total of 12 types of jute (J)–roselle (S) woven fiber–reinforced unsaturated polyester resin hybrid composites were prepared, namely JJ, JS, SJ, SS, JJJ, SSS, SSJ, SJS, JSS, SJJ, JJS, and JSJ. The natural frequencies and damping properties obtained from experimental and numerical analyses through ANSYS finite element software were compared. The results showed that the varying layering sizes and layering sequences on the hybrid composites produced a significant effect on the natural frequency and damping ratio. Nevertheless, a high percentage of error (>20) was produced by the three-layer composites based on the numerical analysis.

Item Type: Book Section
Uncontrolled Keywords: Natural fiber; Biocomposite hybrid composite; Natural frequency; Damping properties
Subjects: T Technology > TJ Mechanical engineering and machinery
T Technology > TS Manufactures
Faculty/Division: Faculty of Mechanical & Manufacturing Engineering
Depositing User: Ir. Dr. Jamiluddin Jaafar
Date Deposited: 04 Nov 2019 03:16
Last Modified: 07 Nov 2019 04:06
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