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Failure identification in composite materials using Thermographics method

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This research gives an overview of an investigation into existing non-destructive testing (NDT) methods used to analyse composite materials. From the investigation and subsequent experimentation a new technique of failure identification in composite materials was developed. | Failure identification in composite materials using Thermographics method Engineering Solid Mechanics 1 2013 37-42 Contents lists available at GrowingScience Engineering Solid Mechanics homepage www.GrowingScience.com esm Failure identification in composite materials using Thermographics method R. Amali and D.T. McLaughlin Faculty of Environment and Technology Department of Engineering Design and Mathematics University of the West of England UWE Bristol BS16 1QY UK ARTICLE INFO ABSTRACT Article history This research gives an overview of an investigation into existing non-destructive testing NDT Received March 20 2013 methods used to analyse composite materials. From the investigation and subsequent Received in Revised form experimentation a new technique of failure identification in composite materials was August 21 2013 developed. The new technique is a form of thermography whereby a temperature rise in a Accepted 21 August 2013 Available online composite material during failure is detected via a thermal camera and a thermal image 21 August 2013 captured. By observing the thermal images captured of the event the location and the severity of Keywords the failure could be gained by only using the thermal images combined with a visual inspection Composite to validate the results. By taking a thermal image and analysing the constituent red green and Failure identification blue colours that make up the image the location of the defect could be pinpointed. This Active testing analysis method was developed using MATLAB in order for the location of a defect to be Thermography found using only a thermal image of the composite during failure. The analysis showed that the Thermal camera information that yields the most accurate location of failure was the red part of the images. 2013 Growing Science Ltd. All rights reserved. 1. Introduction Composite materials are now widely used in industry as a standard material this is often due to their low weight and high relative .