Quantitative measurements of grain boundary excess volume from HAADF-STEM micrographs

被引：21
|
作者：
Buranova, Yulia [1 ]
Roesner, Harald [1 ]
Divinski, Sergiy V. [1 ]
Imlau, Robert [2 ]
Wilde, Gerhard [1 ]
机构：
[1] Univ Munster, Inst Mat Phys, Wilhelm Klemm Str 10, D-48149 Munster, Germany
[2] FEI Co, Achtseweg Noord 5, NL-5600 KA Eindhoven, Netherlands
来源：
ACTA MATERIALIA | 2016年 / 106卷
关键词：
Grain boundaries (GBs); Excess volume; Transmission electron microscopy (TEM); High angle annular dark field (HAADF); Electron energy loss spectroscopy (EELS); STRUCTURE-ENERGY CORRELATION; RIGID-BODY DISPLACEMENTS; FCC METALS; EXPANSION; COINCIDENCE; DIFFUSION;
D O I：
10.1016/j.actamat.2016.01.033
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A novel approach for quantitative measurements of grain boundary (GB) excess volume has been developed using correlative analytical transmission electron microscopy (TEM) and successfully demonstrated for several simulated symmetrical [100] tilt GB configurations as well as for the experimental case of an Al bicrystal containing a near Sigma 13 GB with an additional twist component. The reliability and precision of this new approach is analyzed and the limitations are discussed. (C) 2016 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：367 / 373
页数：7
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