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Metal shape detection and evaluation using giant magneto resistance system


Citation

Misron, Norhisam and Roslan, M. K. and Aris, Ishak and Hamidon, Mohd Nizar (2017) Metal shape detection and evaluation using giant magneto resistance system. Pertanika Journal of Science & Technology, 25 (spec. Feb.). pp. 197-204. ISSN 0128-7680; ESSN: 2231-8526

Abstract / Synopsis

Visual inspection to locate metals embedded in walls or floors is impractical. Detection of these metals can only be done with a proper metal detection. Accordingly, the development of a magnetic imaging system based on giant magneto-resistance (GMR) sensors is presented for metal shape detection. This system is based on magnetic flux leakage testing (MFLT) principle for detecting the shape of ferromagnetic material specimens. The imaging system is constructed using 21 linear GMR sensors array as signals sensing unit (SSU). In this study, a few ferromagnetic SS400 mild steels specimens in various shapes are used as specimens. Image produced confirm system functionality in detecting and evaluating metal shapes.


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Additional Metadata

Item Type: Article
Divisions: Faculty of Engineering
Institute of Advanced Technology
Publisher: Universiti Putra Malaysia Press
Keywords: Magnetic flux leakage testing (MFLT); Giant magneto-resistance (GMR) sensors; Shape evaluation
Depositing User: Nabilah Mustapa
Date Deposited: 30 Jun 2017 17:49
Last Modified: 05 Jul 2017 11:39
URI: http://psasir.upm.edu.my/id/eprint/55866
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