Abstract
The behavior of remanence M r, initial permeability μ, and coercive force H c of the steels during their plastic tension in both loaded and unloaded states upon “slow” and “rapid” loading is explained from a unified point of view. It is shown that (1) a sharp (severalfold) decrease in M r and μ and a similar abrupt increase in H c are caused by the same effect, namely the appearance of high residual compressive stresses in most grains along the force direction; (2) in the loaded state, M r and μ slowly decrease and H c similarly slowly increases with increasing degree of deformation ε due to a common effect of increasing dislocation density ρ with increasing ε; (3) the values of M r, μ, and H c in the transition region, in which ε ≤ εcr, substantially differ from each other upon “slow” and “rapid” loadings; (4) at ε ≥ εcr, the dependences of the M r, μ, and H c parameters on ε both in the loaded and unloaded states are parallel to each other.
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Original Russian Text © V.G. Kuleev, T.P. Tsar’kova, A.P. Nichipuruk, V.I. Voronin, I.F. Berger, 2007, published in Fizika Metallov i Metallovedenie, 2007, Vol. 103, No. 2, pp. 136–146.
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Kuleev, V.G., Tsar’kova, T.P., Nichipuruk, A.P. et al. On the origin of essential differences in the coercive force, remanence, and initial permeability of ferromagnetic steels in the loaded and unloaded states upon plastic tension. Phys. Metals Metallogr. 103, 131–141 (2007). https://doi.org/10.1134/S0031918X07020032
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DOI: https://doi.org/10.1134/S0031918X07020032