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00925njm 22002777a 4500 dc García Alonso, M. S. author Hernando Grande, Antonio author Vinolas, J. author García, M. A. author 2021-06-28 We present a non-invasive method of detecting stress below the elastic limit in magnetic steel elements. The method, based on well-known magnetoelastic effects, relies on mechanical stress-induced permeability modulation. It does not measure absolute values and hence results in suitable in situ measurements in situations where small position or vibration changes can change absolute values. 0021-8979 10.1063/5.0050402 https://hdl.handle.net/20.500.14352/8326 http://dx.doi.org/10.1063/5.0050402 https://aip.scitation.org/ Magnetic detection of high mechanical stress in iron-based materials using eddy currents and phase shift measurements