STATISTICS OF ASYMMETRICAL [001] TILT GRAIN-BOUNDARIES

被引：0
|
作者：
ERHART, J
PAIDAR, V
机构：
来源：
PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE | 1992年 / 129卷 / 01期
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D O I：
10.1002/pssa.2211290111
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A model is developed to generate systematically various asymmetrical grain boundaries differing in grain misorientations and boundary plane inclinations. The model is applied to the [001] tilt grain boundaries in the b.c.c. lattice. Calculated frequencies of asymmetrical boundaries with large interplanar spacing in dependence on the coincidence site lattice parameter SIGMA can be compared with the experimentally observed occurrence of misorientations with low and high SIGMA values. A critical value of SIGMA, dividing the misorientations between special (with low SIGMA) and general ones, however, cannot be determined by purely geometrical means.
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页码：135 / 141
页数：7
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