alexa Abstract | 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 Open Access


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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Author(s): Retheesh R, Samuel B, Radhakrishnan P, Nampoori VPN and Mujeeb A


Laser speckle photography, Surface roughness, Aerospace applications, Non-destructive testing, Aerodynamics, Aeroelasticity, Aerospace Dynamics, Aerospace Engineering techniques, Air Safety, Aircraft,Aircraft Flight Mechanics, Astrodynamics, Aviation, Avionics, Flight Dynamics ,Rocketry, Space, Unmanned-Vehicles

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