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ПОДХОД ФАЗОВОГО ПОЛЯ К ВЗАИМОДЕЙСТВИЮ МЕЖДУ ФАЗОВЫМИ ПЕРЕХОДАМИ И ПЛАСТИЧНОСТЬЮ НА НАНОРАЗМЕРНОМ УРОВНЕ ПРИ БОЛЬШИХ ДЕФОРМАЦИЯХ

https://doi.org/10.22405/2226-8383-2017-18-3-363-376

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Аннотация

В статье рассматривается современный подход теории фазового поля (ПТФП) к взаимодействию между фазовыми переходами (ФП) и дислокациями на наноразмерном уровне. Он разрабатывается при больших деформациях как нетривиальное сочетание нового прогрессивного подхода теории фазового поля с мартенситными фазовыми переходами и  эволюцией дислокаций. Выполняется моделирование на основе метода конечных элементов  (МКЭ) для решения совместных уравнений теории фазового поля и теории упругости.  Эволюция дислокаций и фазы высокого давления в наногранулированном материале, находящемся под действием давления и сдвига, изучается и используется для  интерпретации экспериментальных результатов по фазовым переходам, вызванным  пластической деформацией, под действием высокого давления в камере вращения алмазной наковальни.

Об авторах

В. И. Левитас

Россия


М. Джаванбакхт
Isfahan University of Technology
Россия

Department of Mechanical Engineering



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Для цитирования:


Левитас В.И., Джаванбакхт М. ПОДХОД ФАЗОВОГО ПОЛЯ К ВЗАИМОДЕЙСТВИЮ МЕЖДУ ФАЗОВЫМИ ПЕРЕХОДАМИ И ПЛАСТИЧНОСТЬЮ НА НАНОРАЗМЕРНОМ УРОВНЕ ПРИ БОЛЬШИХ ДЕФОРМАЦИЯХ. Чебышевский сборник. 2017;18(3):363-376. https://doi.org/10.22405/2226-8383-2017-18-3-363-376

For citation:


Levitas V.I., Javanbakhtc M. PHASE FIELD APPROACH TO INTERACTION BETWEEN PHASE TRANSFORMATIONS AND PLASTICITY AT THE NANOSCALE AT LARGE STRAINS. Chebyshevskii Sbornik. 2017;18(3):363-376. (In Russ.) https://doi.org/10.22405/2226-8383-2017-18-3-363-376

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