Abstract
Using the methods of location and temporal amplitude analysis of the acoustic emission signals accompanying the deformation of a heterogeneous material with a regular structure, it has been established that the region of macroscopic breakage of a sample is by no means uniquely related to mesocracks accumulated in the preceding stages. Moreover, the region of fracture exhibits no clear and correlated hierarchy of the nucleating and growing mesocracks. The main crack appears in a quite random manner as a result of the alternating active formation of mesocracks in various local regions and the progressing decrease in dissipative capacity of the surrounding volume under the action of an applied load.
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A. M. Leksovskii, S. N. Sakiev, W. Schmidt, Fiz. Met. Metalloved. 41 637 (1976).
A. M. Leksovskii, B. L. Baskin, A. Ya. Gorenberg, et al., Fiz. Tverd. Tela25, 1096 (1983) [Sov. Phys. Solid State 25, 630 (1983)].
V. I. Aleshin, N. A. Dolotova, and M. I. Bessonov, in Physics and Mechanics of Fracture of Composite Materials, Ed. By A. M. Leksovskii (FTI, Leningrad, 1986), pp. 20–29.
V. E. Yudin and A. M. Leksovskii, Fiz. Tverd. Tela 47, 944 (2005) [Phys. Solid State 47, 975 (2005)].
A. P. Tishkin, G. N. Gubanova, A. M. Leksovskii, and V. E. Yudin, J. Matger. Sci. 29, 632 (1994).
V. R. Rzhevkin and L. G. Orlov, in Mechanisms of Damage and Strength of Heterogeneous Materials, Ed. by A. M. Leksovskii(FTI, Leningrad, 1985), pp. 209–211 [in Russian].
A. P. Tishkin, A. A. Abdumanonov, and A. M. Leksovskii, Pis’ma Zh. Tekh. Fiz. 21(15), 10 (1995) [Tech. Phys. Lett. 21, 587 (1995)].
S. A. Barannikova, V. I. Danilov, and L. B. Zuev, Zh. Tekh. Fiz. 74(10), 52 (2004) [Tech. Phys. 49, 1296 (2004)]
V. S. Kuksenko, Fiz. Tverd. Tela 47, 788 (2005) [Phys. Solid State 47, 812 (2005)].
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Original Russian Text © A.M. Leksovskii, A.V. Gavrilin, B.L. Baskin, 2008, published in Pis’ma v Zhurnal Tekhnicheskoĭ Fiziki, 2008, Vol. 34, No. 5, pp. 46–53.
This author has also appeared under alternate spelling A.M. Leksowskij.
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Leksovskii, A.M., Gavrilin, A.V. & Baskin, B.L. Evolution of an ensemble of mesoscopic defects during deformation of a heterogeneous material with a regular structure. Tech. Phys. Lett. 34, 202–205 (2008). https://doi.org/10.1134/S1063785008030085
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DOI: https://doi.org/10.1134/S1063785008030085