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Identification of corrosion on a hollow tube using vibration


Citation

Cheng, S. T. and Abdul Jalil, Nawal Aswan and Zulkefli, Zamir Aimaduddin (2014) Identification of corrosion on a hollow tube using vibration. Applied Mechanics and Materials, 564. pp. 176-181. ISSN 1660-9336; ESSN: 1662-7482

Abstract

Vibration based technique have so far been focused on the identification of structural damage. However, not many studies have been conducted on the corrosion identification on pipes. The objective of this paper is to identify corrosion on pipes from vibration measurements. A hollow pipe, 500 mm in length with 63.5 mm in diameter was subjected to impact loading using an impact hammer to identify the natural frequency of the tube in two conditions i) without any corrosion and ii) with an induced localized 40 mm by 40 mm corrosion at the middle of the pipe. The shift of natural frequencies of the structures under free boundary conditions was examined for each node of excitation. The results showed that there is a shift in natural frequency of the pipe, between 3 and 4 Hz near to the corrosion area. It can suggested that that the impact vibration is capable of identifying of localized corrosion on a hollow tube.


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Additional Metadata

Item Type: Article
Divisions: Faculty of Engineering
DOI Number: https://doi.org/10.4028/www.scientific.net/AMM.564.176
Publisher: Trans Tech Publications
Keywords: Corrosion; Free-free boundary condition; Impact testing; Pipe vibration
Depositing User: Nabilah Mustapa
Date Deposited: 29 Dec 2015 09:44
Last Modified: 29 Dec 2015 09:44
Altmetrics: http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.4028/www.scientific.net/AMM.564.176
URI: http://psasir.upm.edu.my/id/eprint/37917
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