Source: https://www.chebsbornik.ru/jour/article/view/365
Timestamp: 2019-04-19 21:06:27+00:00

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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.
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