Behavior of Chopped Strand Mat and Woven Roving under Bending

Ahmad Mubarak Tajul Arifin; Shahrum Abdullah; Rozli Zulkifli; Dzuraidah Abdul Wahab; Mohammad Rafiquzzaman

doi:10.3139/120.110662

Article

Behavior of Chopped Strand Mat and Woven Roving under Bending

Ahmad Mubarak Tajul Arifin , Shahrum Abdullah , Rozli Zulkifli , Dzuraidah Abdul Wahab and Mohammad Rafiquzzaman

Published/Copyright: November 20, 2014

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From the journal Materials Testing Volume 56 Issue 11-12

Abstract

In this study, lamination panels were fabricated using chopped strand mat (CSM) and woven roving fabric (WR) as reinforcement for two different types of specimens, type E_b and type P_b, respectively. By a combination of plain materials composite lamination structures were formed, with [CSM/0/90/CSM]_2s as an orientation layer for the structures. In this research study, the structural panel was produced by hand lay-up technique with a combination of unsaturated epoxy and polyester resin, separately. Therefore, with this publication, a characteristic combination of chopped strand mat/woven roving fabric, are presented. The experimental work for both types of specimens were performed by bending until the structure fails. The characteristics of different materials, i. e. the chemicals used and the composite lamination structure, were studied, because there are different types of damages in the structure of composite materials, such as delamination, matrix cracking, fiber-matrix damage and fiber pull-out. Furthermore, it can affect the behavior of composite materials in the whole structure. As a result, this process contributes to failure prevention, as the capabilities of the structures are known, before it can be used for any part, component or area. It was also shown that different configuration lamination layers influence the strength properties of the composite materials.

Kurzfassung

In der diesem Beitrag zugrunde liegenden Studie wurden Laminatplatten mittels Faserschnittmatten (Chopped Strand Mat (CSM)) und Rovinggewebe (Woven Roving (WR)) verstärkt und so zwei verschiedene Probenarten hergestellt, nämlich Typ E_b und Typ P_b. Es handelt sich um eine Kombination aus ebenen Materialien zur Herstellung der Kompositlaminate, wobei [CSM/0/90/CSM]_2s als Orientierungslage für die Strukturen verwendet wurde. In den Forschungsarbeiten wurde die Strukturplatte mittels Handlaminierens hergestellt, indem getrennt eine Kombination aus ungesättigtem Epoxid- und Polyesterharz verwendet wurde. Somit kann in dem vorliegenden Beitrag eine charakteristische Kombination aus Faserschnittmatte und Rovinggewebe präsentiert werden. Die Experimente wurden für beide Probenarten unter Biegung bis zum Bruch durchgeführt. Hierbei wurden die Eigenschaften der verschiedenen Werkstoffe hinsichtlich der verwendeten Chemikalien und der Laminierungsstruktur untersucht, weil sich in der Struktur der Kompositmaterialien verschiedene Schädigungsarten zeigen, wie zum Beispiel Delamination, Matrixbruch, Faser-Matrix-Schädigungen und Faserauszug. Dies kann zudem das Verhalten des Kompositwerkstoffs in der gesamten Struktur beeinflussen. Im Ergebnis tragen die Untersuchungen zur Vermeidung von Schäden bei, indem die Eigenschaften der Materialstruktur, bevor sie in einem Bauteil, einer Komponente oder einem Bereich verwendet werden kann, bekannt sind. Es hat sich gezeigt, dass verschiedene Kombinationen der Laminatlagen die Eigenschaften des Kompositwerkstoffs hinsichtlich der Festigkeit beeinflussen.

Keywords: Materials testing; bending; composite; hand lay-up; lamination

*Correspondence Address, Ahmad Mubarak Tajul Arifin, Faculty of Mechanical and Manufacturing Engineering, Department of Materials and Design, Universiti Tun Hussein Onn Malaysia, 86400 Batu Pahat, Johor, Malaysia. E-mail: alyaq_82@yahoo.com

Ahmad Mubarak Tajul Arifin has graduated with a B. Eng. Materials from University of Malaysia, Perlis, and a M. Eng. (Innovation and Engineering Design) from University Putra Malaysia. Currently, he is pursuing his PhD studies in Mechanics and Materials (fatigue and structural integrity). His previous research interests focused on materials science, material behavior and mechanical composites. Currently, he is doing research on the mechanical behavior of polymer matrix composites. He is a member of the Board of Engineers, Malaysia (BEM) and a graduate member of the Institute of Engineers, Malaysia (IEM).

Dr. Shahrum Abdullah is Professor in the Department of Mechanical and Materials Engineering, Faculty of Engineering and Built Environment, University Kebangsaan Malaysia (UKM), Selangor. Currently, he is the Head of Materials and Design at UKM. He holds a B. Eng. (Hons) in Mechanical Engineering from that university, a Master of Science from Loughborough University, United Kingdom, and received his PhD from the University of Sheffield, United Kingdom, in 2005. His major research interest is in fatigue in engineering. He is a graduate member of the Institution of Engineers, Malaysia, a fellow member of the Welding Institute of Malaysia and a committee member of the Malaysian Association for Computational Mechanics.

Dr. Rozli Zulkifli is Associate Professor in the Department of Mechanical and Materials Engineering, Faculty of Engineering and Built Environment, University Kebangsaan Malaysia (UKM) in Selangor. He received his B. Eng. (Hons) in Mechanical Engineering and MSc in Advanced Engineering Materials from the University of Liverpool, United Kingdom, and PhD in Mechanical and Materials Engineering from University Kebangsaan Malaysia.

Dr. Dzuraidah Abdul Wahab is Associate Professor in the Department of Mechanical and Materials Engineering, Faculty of Engineering and Built Environment, University Kebangsaan Malaysia (UKM) in Selangor. She received her BSc in Chemical and Process Engineering from UKM, her MSc (Eng), Design and Manufacturing from Manchester Metropolitan University and her PhD in Concurrent Engineering: Product Design also from Manchester Metropolitan University.

Dr. Mohammad Rafiquzzaman is pursuing PhD studies in the Department of Mechanical and Materials Engineering, Faculty of Engineering and Built Environment, University Kebangsaan Malaysia (UKM).

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Published Online: 2014-11-20

Published in Print: 2014-11-17

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Articles in the same Issue

https://doi.org/10.3139/120.110662

Keywords for this article

Materials testing; bending; composite; hand lay-up; lamination