Evolution of deformation domains and kinetics of fatigue fracture of Duralumin polycrystals at the mesoscopic level |
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Authors: | V E Panin V S Pleshanov V V Kibitkin |
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Affiliation: | (1) Institute of Physics of Strength of Materials and Materials Science, Siberian Branch of the Russian Academy of Sciences, Tomsk |
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Abstract: | Laws governing the buildup of fatigue fracture under cyclic loading of aluminum alloy polycrystals under conditions of multicycle
fatigue have been studied by analyzing the spacetime dynamics of mesoscopic structures. It has been shown that under the periodic
action of an external mechanical field, deformation domains form in the material at the mesoscopic level. The evolution of
these dynamic mesoscopic domain substructures determines the kinetics of the fatigue fracture of the polycrystals.
Pis’ma Zh. Tekh. Fiz. 23, 51–57 (December 26, 1997) |
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