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Magnetomechanical hysteresis process was tested using normal mode of load. Tensile and compression load with constant stress rate of 10 MPa s-1 was applied to the rod-like sample of the St3 low carbon Polish steel (cross section 40 mm2). The intensity of the mechanical Barkhausen noise (MBN) was measured during the first tensile load (up to 130 MPa) and during cyclic loading for various amplitudes of stress. The magnetomechanical energy losses (MEL) for one cycle of load was calculated from the magnetomechanical strain-stress hysteresis loops. There were established two features of MBN intensity : 1- linear relation between the integral of the MBN intensity as calculated from the first load experiment and the integral of the MBN intensity hysteresis loop for a given stress amplitude and 2 - linear relation between MBN intensity hysteresis loop integral and the MEL integral for one cycle of load for the same stress amplitude. These results makes evident, that the MBN intensity is proportional to energy loss rate

Magnetomechanical Damping and Mechanical Barkhausen Effect as Measured for Normal Load Mode