Abstract
In this work experiments were carried out to study the correlation of the piezomagnetic field (B field) surrounding the steel tubular joints with the failure process of the joints under compressive as well as tensile loadings. The B fields were recorded by a highly sensitive fluxgate magnetometer of APS 428D. The piezomagnetic behavior of the steel tubular joints loaded up to failure is compared with the mechanical response. Results show that the piezomagnetic response seems to be a more sensitive indicator of the failure process than the mechanical one. This research has demonstrated that the piezomagnetic effect can be utilized as a nondestructive method to monitor the failure process of steel tubular joints under external loads.
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Bao, S., Lou, H., Gong, S. et al. Monitoring the Failure Process of Steel Tubular Joint by Piezomagnetic Measurements. Exp Tech 40, 849–856 (2016). https://doi.org/10.1007/s40799-016-0085-x
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DOI: https://doi.org/10.1007/s40799-016-0085-x