globalchange  > 气候变化与战略
DOI: 10.1016/j.tecto.2021.228754
论文题名:
Application of electron tomography of dislocations in beam-sensitive quartz to the determination of strain components
作者: Mussi A.; Gallet J.; Castelnau O.; Cordier P.
刊名: Tectonophysics
ISSN: 00401951
出版年: 2021
卷: 803
语种: 英语
中文关键词: Climb ; Dislocation ; Electron-beam sensitive material ; Plasticity ; Quartz ; TEM ; Tomography ; von Mises criterion
英文关键词: Electric impedance tomography ; 3D characterization ; Deformed crystals ; Dislocation microstructures ; Dislocation mobility ; Electron tomography ; Geometrical characteristics ; Sensitive materials ; Strain components ; Quartz ; dislocation ; microstructure ; plasticity ; quartz ; strain analysis ; tomography ; transmission electron microscopy
英文摘要: In this study we apply electron tomography of dislocations to quartz with a view to assess whether the von Mises-Taylor criterion is satisfied or violated in a deformed crystal of quartz. We propose a method to perform electron tomography with few projected images which allows extension of this technique to beam-sensitive materials such as quartz. The 3D characterization of the dislocation microstructure allows the evaluation of contributions to dislocation mobility with no ambiguity. From the geometrical characteristics of the dislocations and their Burgers vectors, we show how to identify the non-zero components of the strain tensor. We show that in the quartz grain investigated, the von-Mises-Taylor criterion is satisfied thanks to the climb of 〈c + a〉 dislocations. © 2021 The Author(s)
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被引频次[WOS]:7   [查看WOS记录]     [查看WOS中相关记录]
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/170872
Appears in Collections:气候变化与战略

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作者单位: Univ. Lille, CNRS, INRAE, Centrale Lille, UMR 8207 - UMET – Unité Matériaux et Transformations, Lille, F-59000, France; Laboratoire PIMM, Arts et Metiers Institute of Technology, CNRS, CNAM, HESAM University, 151 boulevard de l'Hôpital, Paris, 75013, France; Institut Universitaire de France, 1 rue Descartes, Paris, F-75005, France

Recommended Citation:
Mussi A.,Gallet J.,Castelnau O.,et al. Application of electron tomography of dislocations in beam-sensitive quartz to the determination of strain components[J]. Tectonophysics,2021-01-01,803
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