The Influence of Grain Form on Effective Diffusion Coefficient of Polycrystalline; Applied Mechanics and Materials; Vol. 756 : Mechanical Engineering, Automation and Control Systems (MEACS2014)

The Influence of Grain Form on Effective Diffusion Coefficient of Polycrystalline; Applied Mechanics and Materials; Vol. 756 : Mechanical Engineering, Automation and Control Systems (MEACS2014)

Bibliographic Details
Parent link:	Applied Mechanics and Materials: Scientific Journal Vol. 756 : Mechanical Engineering, Automation and Control Systems (MEACS2014).— 2015.— [P. 529-533]
Main Author:	Chepak-Gizbrekht M. V. Mariya Vladimirovna
Corporate Author:	Национальный исследовательский Томский политехнический университет (ТПУ) Институт физики высоких технологий (ИФВТ) Кафедра физики высоких технологий в машиностроении (ФВТМ)
Other Authors:	Knyazeva A. G. Anna Georgievna
Summary:	Title screen To study the behavior of materials with special properties, such as micro and nanograin structure, it is necessary to know how the size and the form of grain influences on the effective properties of the material. In particular, for materials with fine-dispersed structure characterized by high mass transfer rate, which could be due to several reasons. To study this kind of materials is necessary to build mathematical models taking into account the peculiarities that arise from the transition to the micro structure of the macrostructure. This paper presents a method of calculating the effective diffusion coefficient, which takes into account the influence of the size and form of grains. This method could be useful for the construction of multilayer models of mass transfer. On the example of hexagonal polycrystalline material shown that the dependence of the effective diffusion coefficient of the angle at the grain boundary acquires nonlinear character with the increase of grain boundary layer. Режим доступа: по договору с организацией-держателем ресурса
Language:	English
Published:	2015
Series:	Modelling and Numerical Simulation, Algorithms and Mathematical Methods for Applied Problems
Subjects:	электронный ресурс труды учёных ТПУ диффузия границы зерен слои массоперенос
Online Access:	http://dx.doi.org/10.4028/www.scientific.net/AMM.756.529
Format:	Electronic Book Chapter
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=641398

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