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Licensed Unlicensed Requires Authentication Published by De Gruyter May 26, 2013

Detection of Defects in Natural Composite Materials Using Thermal Imaging Technique

Fehlererkennung in natürlichen Kompositmaterialien mittels Thermografie
  • M. J. Suriani , Aidy Ali , A. Khalina , S. M. Sapuan , S. Abdullah and Haftirman
From the journal Materials Testing


Nowadays, non-destructive testing (NDT) is frequently replacing destructive techniques in determining the properties of materials. In this study, defects in Kenaf/epoxy composite materials were detected using an inyyfrared (IR) thermal imaging technique, which is one of the most practical non-destructive techniques currently applied. Kenaf bast fibres were used to fabricate composite materials with epoxy resin as a binding material. The composites were manufactured using a manual lay-up process. The thermography analysis of the IR camera were verified by optical microscope and scanning electron microscope (SEM) investigations. The defect detection accuracy of this technology is 95%.


Heute ersetzen zerstörungsfreie Prüfverfahren vielfach zerstörende Technologien, um die Eigenschaften von Materialien zu bestimmen. In der diesem Beitrag zugrunde liegenden Studie wurden Fehler in Kenaf-Epoxid-Kompositmaterialien mittels Thermografie bestimmt, die eine der am häufigsten in der Praxis angewendeten Verfahren darstellt. Um die Kompositmaterialien herzustellen, wurden Kenaf-Bastfasern mit Epoxidharz als Bindungsmaterial verwendet. Die Komposite wurden in einem manuellen Laminierverfahren gefertigt. Die thermografischen Analysen der IR-Kamera wurden mittels Lichtmikroskopie und Rasterelektronenmikroskopie (REM) verifiziert. Die Fehlererkennungsgenauigkeit dieser Technologie liegt bei 95%.

M. J. Suriani is lecturer at Institute of Teacher Education, Malaysia. She received her first degree in Food and Process Engineering in 2001 and master degree in Industrial and Systems Engineering in 2007 from Universiti Putra Malaysia (UPM). She is currently pursuing her PhD in Materials Engineering at UPM.

Aidy Ali is Professor of Mechanical Engineering at National Defense University of Malaysia (UPNM). He received his first degree in Mechanical Engineering from UPM in 1999. Then he pursued his PhD degree in 2003 researching Improving Fatigue Life of Aircraft Components by Using Surface Engineering at Sheffield University, United Kingdom (UK). He was awarded PhD degree in December 2005.

Abdan Khalina is associate professor at UPM. She completed her first degree in Agricultural Engineering 1996, then she was awarded PhD in Biocomposites Technology on her research entitle Injection Moulded Properties and Rheological Behaviours of Oil Palm Fibre Reinforced Polypropylene Composites at UPM in 2005.

S. M. Sapuan is professor of Mechanical Engineering at Universiti Putra Malaysia since 2007. He received his first degree in Mechanical Engineering at University of Newcastle, Australia and master degree at Loughborough University, Leicestershire, UK. He was awarded his PhD at Leicester University, UK.

S. Abdullah is professor of Mechanical Engineering at Universiti Kebangsaan Malaysia (UKM). He received his first degree in Mechanical Engineering from UKM, and his master degree from Loughborough University, UK. He was awarded a Ph.D degree from Sheffield University, UK.

Haftirman is lecturer at Universiti Malaysia Perlis (UniMAP). He received his first degree in Mechanical Engineering from Universiti Sumatera Utara (USU), Indonesia. He was awarded Master of Science (Industry Engineering) and PhD degree in Materials Engineering from Fukui University, Japan.


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Published Online: 2013-05-26
Published in Print: 2012-05-01

© 2012, Carl Hanser Verlag, München

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