Passive piezomagnetic monitoring of structures subjected to in-service cyclic loading: Application to the detection of fatigue crack initiation and propagation
Source abstract
Abstract
In this research, the evolution of the piezomagnetic field of a low carbon steel under cyclic tensile stress was investigated. The objective was to explore the correlations between piezomagnetic signal measured by a fluxgate magnetometer with progressive changes that take place during the fatigue tests. Experiments show first that the piezomagnetic hysteresis loop changes drastically with the propagation of fatigue crack. A multiscale magneto-elastic model of the piezomagnetic behavior allows secondly the experimental cycles evolution to be explained.
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Research context
OpenAlex topics: Magnetic Properties and Applications · Non-Destructive Testing Techniques · Ultrasonics and Acoustic Wave Propagation
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Affiliations
Université Paris-Saclay, ENS Paris-Saclay, CNRS, LMT, Laboratoire de Mécanique et Technologie 1 , 91190 Gif-sur-Yvette, France
Air-liquide R&D, Innovation Campus Paris 2 , 78354 Jouy-en-Josas Cedex, France
Léonard de Vinci Pôle Universitaire, Research Center 3 , 92916 Paris La Défense, France
Funding
Air Liquide
References (12)
Show source-provided references
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