Theory and development of magnetic flux leakage sensor for flaws detection: a review
This paper presents a comprehensive review of the development of magnetic flux leakage (MFL) applied by the researcher to improve existing methodology and evaluation techniques in MFL sensor development for corrosion detection in Above Storage Tanks (ASTs). MFL plays an important role in Non-Des...
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| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Penerbit Universiti Kebangsaan Malaysia
2020
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| Online Access: | http://journalarticle.ukm.my/17124/1/03.pdf http://journalarticle.ukm.my/17124/ https://www.ukm.my/jkukm/volume-323-2020/ |
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| Summary: | This paper presents a comprehensive review of the development of magnetic flux leakage (MFL) applied by the
researcher to improve existing methodology and evaluation techniques in MFL sensor development for corrosion
detection in Above Storage Tanks (ASTs). MFL plays an important role in Non-Destructive (NDT) testing to detect
crack and corrosion in ferromagnetic material. The demand for more reliable MFL tools and signal acquisition
increase as it has a direct impact on structure integrity and can lead to major catastrophic upon questionable
signal analysis. The accuracy of the MFL signal is crucial in validating the proposed method used in MFL sensor
development. This is because the size, cost, efficiency, and reliability of the overall MFL system for NDT applications
primarily depend on signal acquisition as a qualitative measure in producing a reliable analysis. Therefore, the
selection of appropriate tools and methodology plays a major role in determining the overall performance of the
system. This paper also discusses the advantages and disadvantages of major types of MFL sensors used in NDT
based on the working principle and sensitivity on the abrupt signal acquisition. The application of the Artificial
Neural Network (ANN) and Finite Element Method (FEM) also discussed to identify the impact on the credibility of
the MFL signal. |
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