Preferred Orientation Evolution of Olivine Grains as an Indicator of Change in the Deformation Mechanism

Preferred Orientation Evolution of Olivine Grains as an Indicator of Change in the Deformation Mechanism

Bibliographic Details
Parent link:IOP Conference Series: Materials Science and Engineering
Vol. 91: VI International Scientific Practical Conference on Innovative Technologies and Economics in Engineering, Yurga, Russia, 21-23 May 2015.— 2015.— [012025, 6 p.]
Corporate Author: Национальный исследовательский Томский политехнический университет (ТПУ) Юргинский технологический институт (филиал) (ЮТИ) Кафедра технологии машиностроения (ТМС)
Other Authors: Lychagin D. V. Dmitry Vasilievich, Tishin P. A., Kulkov A. S., Chernyshov A. I., Alferova (Alfyorova) E. A. Ekaterina Aleksandrovna
Summary:Title screen
The paper presents the results of investigations of deformed natural polycrystalline olivine. The relationship of the structure of polycrystalline olivine grains to three modal size distributions has been revealed. Grains of different size were observed to be strained at threshold temperatures of 950, 775, and 650°С. It has been demonstrated that the microstructure develops as the dislocation mechanism changes from diffusion creep to grain boundary sliding. The changes in deformation mechanisms promote the change in the preferred crystallographic orientations of olivine from type A to type D and then to type B. The relation of the transitions between different types of orientations to the conditions of deformation in the lower layers of the lithosphere at the plate boundaries is discussed.
Режим доступа: по договору с организацией-держателем ресурса
Language:English
Published: 2015
Series:Innovative technologies for producing and machining materials in mechanical engineering
Subjects:
электронный ресурс
труды учёных ТПУ
оливины
деформация
диффузия
Online Access:http://dx.doi.org/10.1088/1757-899X/91/1/012025
http://earchive.tpu.ru/handle/11683/19792
Format: Electronic Book Chapter
KOHA link:https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=644419

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