Abstract
This work is devoted to theoretical research of structure materials with submicro size of grain. The mathematical model of internal friction in a porous ultra-fine grained material is suggesting. On this article is considering reshaping the pores by means of the diffusion. There are derived expressions for the speed of intergranular slip, the internal friction in the form of the Debye peak and the relaxation time in this work.
Highlights
Работа посвящена теоретическим исследованиям структуры материалов с субмикрокристаллическим размером зерна
This work is devoted to theoretical research of structure materials with submicro size of grain
On this article is considering reshaping the pores by means of the diffusion
Summary
Заключение совета рецензентов: 03.09.15 Заключение совета экспертов: 06.09.15 Принято к публикации: 09.09.15. Работа посвящена теоретическим исследованиям структуры материалов с субмикрокристаллическим размером зерна. Предлагается математическая модель внутреннего трения в пористом ультрамелкозернистом материале. Получены выражения для скорости межзеренного проскальзывания, внутреннего трения в форме дебаевского пика и времени релаксации. Ключевые слова: внутреннее трение, пористый материал, наноструктурные материалы, зернограничное проскальзывание. Volzhsky Branch of the National Research University «Moscow Power Engineering Institute» 69 Lenin str., Volzhsky, Volgograd reg., 404110, Russia. This work is devoted to theoretical research of structure materials with submicro size of grain. The mathematical model of internal friction in a porous ultra-fine grained material is suggesting. There are derived expressions for the speed of intergranular slip, the internal friction in the form of the Debye peak and the relaxation time in this work
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