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Simulation of formation of disoriented structures in deformation of f.c.c. materials

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Abstract

It is shown that nuclei of dislocation walls can be formed due to the dynamic loss of stability of a dislocation cluster near the boundaries of a shear zone. A mathematical model is suggested for describing the kinetics of the defect medium that consists of dislocations and dislocation walls. The phase diagrams of dislocation density versus disclination density exhibits various stationary states, namely, a saddle, a stable node, and a limiting cycle of complex structure.

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Authors and Affiliations

  1. Tomsk State Architecture and Building University, Tomsk, Russia

    V. A. Starenchenko, S. N. Kolupaeva & A. V. Kotsyurbenko

Authors
  1. V. A. Starenchenko
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  2. S. N. Kolupaeva
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  3. A. V. Kotsyurbenko
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Additional information

Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 4, pp. 9–12, April, 1998.

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Starenchenko, V.A., Kolupaeva, S.N. & Kotsyurbenko, A.V. Simulation of formation of disoriented structures in deformation of f.c.c. materials. Met Sci Heat Treat 40, 140–142 (1998). https://doi.org/10.1007/BF02471768

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