Abstract
Magnetic properties of cementite after strong plastic deformations and subsequent annealing in a broad range of temperatures are studied. The plastically deformed cementite is shown to exist in a soft (H c ≈ 80 A/cm) state; the annealed cementite, in a hard (H c ≈ 240 A/cm) state. The nature of the cementite’s soft and hard states is discussed. The field dependence of the cementite’s magnetostriction is measured. The longitudinal magnetostriction of the polycrystalline cementite’s saturated state is shown to be negative and approximately four times smaller than iron’s magnetostriction in the saturated state.
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Original Russian Text © A.I. Ul’yanov, E.P. Elsukov, A.A. Chulkina, A.V. Zagainov, N.B. Arsent’eva, G.N. Konygin, V.F. Novikov, V.V. Isakov, 2006, published in Defektoskopiya, 2006, Vol. 42, No. 7, pp. 40–52.
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Ul’yanov, A.I., Elsukov, E.P., Chulkina, A.A. et al. The role of cementite in the formation of magnetic hysteresis properties of plastically deformed high-carbon steels: I. Magnetic properties and structural state of cementite. Russ J Nondestruct Test 42, 452–459 (2006). https://doi.org/10.1134/S1061830906070047
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DOI: https://doi.org/10.1134/S1061830906070047