alexa Analysis of Various Surface Roughness Parameters of Low Modulus Aerospace Materials Using Speckle Photography
ISSN: 2168-9792

Journal of Aeronautics & Aerospace Engineering
Open Access

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Research Article

Analysis of Various Surface Roughness Parameters of Low Modulus Aerospace Materials Using Speckle Photography

Retheesh R*, Samuel B, Radhakrishnan P, Nampoori VPN and Mujeeb A
International School of Photonics CUSAT, Kochi 682022, India
*Corresponding Author : Retheesh R
International School of Photonics CUSAT
Kochi 682022, India
Tel: 084825 75848
E-mail: [email protected]
Received December 20, 2015; Accepted January 20, 2016; Published January 22, 2016
Citation: Retheesh R, Samuel B, Radhakrishnan P, Nampoori VPN, Mujeeb A (2016) Analysis of Various Surface Roughness Parameters of Low Modulus Aerospace Materials Using Speckle Photography. J Aeronaut Aerospace Eng 5:157. doi:10.4172/2168-9792.1000157
Copyright: © 2016 Retheesh R, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
 

Abstract

Surface roughness is a principal measure of product quality of the materials used for sophisticated applications. The present paper reports an experimental investigation of various parameters related to the surface roughness of the materials used for the aerospace applications by an inexpensive non-invasive technique known as speckle photography. Conventional non-destructive testing techniques such as X-Ray imaging, ultrasound scanning, microwave testing etc, have certain limitations on testing the surface characteristics of low modulus aerospace vehicle components. This paper explains characterization of surface roughness by analyzing certain roughness parameters such as intensity distribution, size distribution and contrast ratio of different low modulus materials used in aerospace applications. The optical setup employed for the work is simple and uses an inexpensive digital camera for grabbing the specimens under different static conditions

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