Detection Probability Improvement for Nondestructive Evaluation Using a Magnetic Camera

Abstract:

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It is important to estimate the intensity distribution of a magnetic field as a possible magnetic method in an industrial nondestructive evaluation application. A magnetic camera provides the distribution of a quantitative magnetic field with homogeneous lift-off and same spatial resolution. Magnetic flux leakage near a crack on the specimen can be amplified by using a 3- dimensional magnetic fluid, that is to say a magnetic lens. This study introduces the experimental consideration of the effects of magnetic lenses for concentrating of magnetic flux. The experimental results showed that the magnetic fluid has a sufficient lens effect for magnetic camera and effect of improvement in probability of detection.

Info:

Periodical:

Key Engineering Materials (Volumes 306-308)

Edited by:

Ichsan Setya Putra and Djoko Suharto

Pages:

241-246

DOI:

10.4028/www.scientific.net/KEM.306-308.241

Citation:

J. Y. Lee et al., "Detection Probability Improvement for Nondestructive Evaluation Using a Magnetic Camera", Key Engineering Materials, Vols. 306-308, pp. 241-246, 2006

Online since:

March 2006

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Price:

$35.00

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