QUANTIFICATION OF ATOMIC-SCALE GRAIN-BOUNDARY PARAMETERS BY HIGH-RESOLUTION ELECTRON-MICROSCOPY

被引：35

作者：

MERKLE, KL

机构：

[1] Materials Science Division, Argonne National Laboratory, Argonne

来源：

ULTRAMICROSCOPY | 1992年 / 40卷 / 03期

关键词：

D O I：

10.1016/0304-3991(92)90125-4

中图分类号：

TH742 [显微镜];

学科分类号：

摘要：

Recent grain boundary modeling studies in fcc metals have revealed global correlations between GB energy and (i) the rigid-body translation normal to the grain boundary (the so-called volume expansion) and (ii) the degree of deviation of the local atomic coordination across the interface relative to the ideal lattice. This communication describes an approach towards evaluation of such parameters by analyzing images obtained by axial high-resolution electron microscopy, utilizing digital image-processing techniques. Observations on several <110BAR> tilt GB's in Au are presented.

引用

页码：281 / 290

页数：10

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