Two Phase Model of Diffusion in Polycrystalline Material; Advanced Materials Research; Vol. 1040 : High Technology: Research and Applications 2014 (HTRA 2014)
| Источник: | Advanced Materials Research: Scientific Journal Vol. 1040 : High Technology: Research and Applications 2014 (HTRA 2014).— 2014.— [P. 614-619] |
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| Примечания: | Title screen Diffusion research is important for understanding of many processes based on mass transfer. In many respects, diffusion, determines physical and mechanical characteristics for new materials with fine-dispersed matter and a large number of grain boundaries and phases. Models of diffusion along grain boundaries and their modifications are widely known in literature, but they are not always applicable to nanomaterials due to indistinct determination of some notions. At the present paper the model of diffusion is presented, which considers boundaries and area near boundaries as a phase with special properties. Mass transfer between the volume of a grain and a boundary phase is taken into account. The approximate analytical solution of the problem is formulated. In the general case the problem is solved numerically. Non monotonic distributions of concentrations in volume are obtained. Режим доступа: по договору с организацией-держателем ресурса |
| Язык: | английский |
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2014
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| Серии: | Simulation of Physical and Chemical Processes |
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| Online-ссылка: | http://dx.doi.org/10.4028/www.scientific.net/AMR.1040.614 |
| Формат: | Электронный ресурс Статья |
| Запись в KOHA: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=641095 |