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Generation and Detection of Elastic Guided Waves with Magnetoelastic Device for the Nondestructive Evaluation of Steel Cables and Bars

Laurent LAGUERRE
Laboratoire Central des Ponts et Chaussées, BP 4129 - 44341 Bouguenais Cedex, France
Jean-Christian AIME, Michel BRISSAUD
Laboratoire de Génie Electrique et Ferroélectricité,
Institut National des Sciences Appliquées de Lyon,
20 Avenue Albert Einstein, 69621 Villeurbanne Cedex - France

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Abstract

Introduction

Experimental setup

Nonlinear behavior of the magnetoelastic emitter as a function of the polarizing field strength.

Propagation characteristics in a cylindrical steel bar and a seven-wire strand

Default detection

Conclusion

References

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