Stress dependence of ferromagnetic hysteresis loops for two grades of steel |
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| Authors: | K J Stevens |
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| Affiliation: | 1. University of Perugia, Engineering Department, Via G. Duranti 93, 06125 Perugia, Italy;2. National Research Council of Italy (CNR), Institute of Condensed Matter Chemistry and Technologies for Energy (ICMATE), Via R. Cozzi 53, 20125 Milano, Italy;1. Department of Electrical and Electronics Engineering, Atilim University, 06836 Ankara, Turkey;2. Department of Physics, Middle East Technical University, 06800 Ankara, Turkey;1. Centro de Engenharia, Modelagem e Ciências Sociais Aplicadas (CECS), Universidade Federal do ABC (UFABC), Avenida dos Estados, 5001, 09210-580 Santo André, SP, Brazil;2. Institut für Werkzeugmaschinen und Fabrikbetrieb (IWF), Technische Universität Berlin (TUB), Pascalstraße 8-9, 10587 Berlin, Germany;1. Department of Mining and Materials Engineering, McGill University, Wong Building, 3610 University Street, Montreal, Quebec, Canada H3A 0C5;2. Department of Electrical and Computer Engineering, Concordia University, Quebec, Canada H4G 2M1;1. Department of Materials Science and Engineering EEBE, Universidad Politécnica de Catalunya, C/Eduard Maristany 10-14, 08019 Barcelona, Spain;2. Instituto de Física Rosario, Consejo Nacional de Investigaciones Científicas y Técnicas-CONICET, Ocampo y Esmeralda, 2000 Rosario, Argentina |
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| Abstract: | Residual stress is an essential input into calculations of the remaining life of operational plant. However, many life predictions are inherently conservative because measurements of the absolute stress are unavailable. The magnetic properties of material are sensitive to stress, and in this paper, the magnetic properties (at maximum magnetisation, at remnance, and at the coercive field) of two grades of steel (Durehete 1055 and AS1548-7-46OR) under uni-axial stress are presented. The magnetic parameters are more sensitive to compressive stress than to tensile stress. A mathematical model using the Jiles–Atherton theory for ferromagnetic hysteresis is used to explain the trends in the experimental data. The ability of magnetic techniques to measure stress is demonstrated. |
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| Keywords: | Magnetic properties Stress Durehete 1055 |
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