Dependence of magnetic permeability on residual stresses in alloyed steels
Source abstract
Abstract
A method for the monitoring of residual stress distribution in steels has been developed based on non-destructive surface magnetic permeability measurements. In order to investigate the potential utilization of the magnetic method in evaluating residual stresses, the magnetic calibration curves of various ferromagnetic alloyed steels’ grade (AISI 4140, TRIP and Duplex) were examined. X-Ray diffraction technique was used for determining surface residual stress values. The overall measurement results have shown that the residual stress determined by the magnetic method was in good agreement with the diffraction results. Further experimental investigations are required to validate the preliminary results and to verify the presence of a unique normalized magnetic stress calibration curve.
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Research context
OpenAlex topics: Non-Destructive Testing Techniques · Welding Techniques and Residual Stresses · Microstructure and Mechanical Properties of Steels
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Affiliations
Laboratory of Electronic Sensors, National TU of Athens 1 , 15780 Athens, Greece
Department of Electrical Engineering, TEI of Sterea Ellada 2 , 34400 Chalkis, Greece
Department of Electrical and Electronic Engineering Educators, School of Pedagogical and Technological Education (ASPETE) 3 , 14121 Athens, Greece
References (13)
Show source-provided references
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