Clustering of sources of acoustic-emission signals by the leading-edge rise rate

It is shown that the method of clustering by the leading-edge rise rate of the envelope of an acoustic-emission (AE) signal makes it possible to reduce the time of calculation of the coordinates of flaws as compared to the clustering by shape. The developed technique realizes the on-line localizatio...

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Published in:Russian journal of nondestructive testing 2009-10, Vol.45 (10), p.685-692
Main Authors: Stepanov, L. N., Ramazanov, I. S., Kabanov, S. I., Lebedev, E. Yu, Kanifadin, K. V.
Format: Article
Language:English
Subjects:
Acoustic Methods
Acoustics
Characterization and Evaluation of Materials
Chemistry and Materials Science
Clustering
Materials Science
Nondestructive testing
Structural Materials
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container_title Russian journal of nondestructive testing
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creator Stepanov, L. N.
Ramazanov, I. S.
Kabanov, S. I.
Lebedev, E. Yu
Kanifadin, K. V.
description It is shown that the method of clustering by the leading-edge rise rate of the envelope of an acoustic-emission (AE) signal makes it possible to reduce the time of calculation of the coordinates of flaws as compared to the clustering by shape. The developed technique realizes the on-line localization of massive flows of AE signals with an accuracy sufficient for practical application. The practical parameters of using the method for operation on a steel sheet with a simulator obtained for a statically loaded duralumin specimen and for welding of steel specimens with aluminum and titanium inserts are considered.
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subjects Acoustic Methods
Acoustics
Characterization and Evaluation of Materials
Chemistry and Materials Science
Clustering
Materials Science
Nondestructive testing
Structural Materials
title Clustering of sources of acoustic-emission signals by the leading-edge rise rate
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