A novel system for non-destructive evaluation of surface stress in pipelines using rotational continuous magnetic Barkhausen noise

Omar Ortega-Labra, Tu Le Manh, P. Martinez-Ortiz, J. M. Hallen, J. A. Perez-Benitez

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Abstract

© 2019 Elsevier Ltd In the present work a new system for nondestructive evaluation of applied stress on the pipeline steels surface is proposed. This system is based on applying a magnetic field on the pipe surface, whose direction changes due to rotatory permanent magnets. The variation of magnetic field direction produces the Barkhausen signal, which is measured by a pick-up coil. The angular dependence of the magnetic Barkhausen noise signal energy is influenced by the pipe surface curvature due to the changing head-probe liftoff. Also, the said angular dependence changes with the applied tensile stress due to the magneto-elastic effect. The result of Barkhausen noise measurements in the pipeline surface submitted to applied tensile stress reveals that, since the effect of curvature on the angular dependence remains constant, the effect of applied stress could be determined by analyzing the angular dependence variation of the Barkhausen signal with the applied stress.
Original languageAmerican English
Pages (from-to)761-774
Number of pages683
JournalMeasurement: Journal of the International Measurement Confederation
DOIs
StatePublished - 1 Mar 2019

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Magnetic Fields
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Magnets
Steel
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Direction compound

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title = "A novel system for non-destructive evaluation of surface stress in pipelines using rotational continuous magnetic Barkhausen noise",
abstract = "{\circledC} 2019 Elsevier Ltd In the present work a new system for nondestructive evaluation of applied stress on the pipeline steels surface is proposed. This system is based on applying a magnetic field on the pipe surface, whose direction changes due to rotatory permanent magnets. The variation of magnetic field direction produces the Barkhausen signal, which is measured by a pick-up coil. The angular dependence of the magnetic Barkhausen noise signal energy is influenced by the pipe surface curvature due to the changing head-probe liftoff. Also, the said angular dependence changes with the applied tensile stress due to the magneto-elastic effect. The result of Barkhausen noise measurements in the pipeline surface submitted to applied tensile stress reveals that, since the effect of curvature on the angular dependence remains constant, the effect of applied stress could be determined by analyzing the angular dependence variation of the Barkhausen signal with the applied stress.",
author = "Omar Ortega-Labra and Manh, {Tu Le} and P. Martinez-Ortiz and Hallen, {J. M.} and Perez-Benitez, {J. A.}",
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A novel system for non-destructive evaluation of surface stress in pipelines using rotational continuous magnetic Barkhausen noise. / Ortega-Labra, Omar; Manh, Tu Le; Martinez-Ortiz, P.; Hallen, J. M.; Perez-Benitez, J. A.

In: Measurement: Journal of the International Measurement Confederation, 01.03.2019, p. 761-774.

Research output: Contribution to journalArticleResearchpeer-review

TY - JOUR

T1 - A novel system for non-destructive evaluation of surface stress in pipelines using rotational continuous magnetic Barkhausen noise

AU - Ortega-Labra, Omar

AU - Manh, Tu Le

AU - Martinez-Ortiz, P.

AU - Hallen, J. M.

AU - Perez-Benitez, J. A.

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N2 - © 2019 Elsevier Ltd In the present work a new system for nondestructive evaluation of applied stress on the pipeline steels surface is proposed. This system is based on applying a magnetic field on the pipe surface, whose direction changes due to rotatory permanent magnets. The variation of magnetic field direction produces the Barkhausen signal, which is measured by a pick-up coil. The angular dependence of the magnetic Barkhausen noise signal energy is influenced by the pipe surface curvature due to the changing head-probe liftoff. Also, the said angular dependence changes with the applied tensile stress due to the magneto-elastic effect. The result of Barkhausen noise measurements in the pipeline surface submitted to applied tensile stress reveals that, since the effect of curvature on the angular dependence remains constant, the effect of applied stress could be determined by analyzing the angular dependence variation of the Barkhausen signal with the applied stress.

AB - © 2019 Elsevier Ltd In the present work a new system for nondestructive evaluation of applied stress on the pipeline steels surface is proposed. This system is based on applying a magnetic field on the pipe surface, whose direction changes due to rotatory permanent magnets. The variation of magnetic field direction produces the Barkhausen signal, which is measured by a pick-up coil. The angular dependence of the magnetic Barkhausen noise signal energy is influenced by the pipe surface curvature due to the changing head-probe liftoff. Also, the said angular dependence changes with the applied tensile stress due to the magneto-elastic effect. The result of Barkhausen noise measurements in the pipeline surface submitted to applied tensile stress reveals that, since the effect of curvature on the angular dependence remains constant, the effect of applied stress could be determined by analyzing the angular dependence variation of the Barkhausen signal with the applied stress.

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