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Title: | Theory of diffusional phase transformations in nanocrystalline alloys upon severe plastic deformation: 1. The stage of the formation of concentration inhomogeneities near grain boundaries |
Authors: | Gapontsev, V. L. Kesarev, A. G. Kondrat'ev, V. V. |
Issue Date: | 2002 |
Abstract: | The initial stage of the decomposition of a nanocrystalline solid solution under the action of a flux of nonequilibrium vacancies induced by severe plastic deformation is considered theoretically. A solution to the nonlinear diffusion problem of the formation of a decomposition zone is found within the framework of the model of a nonideal solid solution and using the method of splicing asymptotic expansions. Optimum conditions for the decomposition effect are derived and analyzed. |
Keywords: | ALLOYS DECOMPOSITION GRAIN BOUNDARIES MATHEMATICAL MODELS OPTIMIZATION PHASE TRANSITIONS PLASTIC DEFORMATION SOLID SOLUTIONS VACANCIES NANOSTRUCTURED MATERIALS |
ISSN: | 153230 |
SCOPUS: | 0036945445 |
Appears in Collections: | Научные публикации, проиндексированные в SCOPUS и WoS |
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