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Cross-boundary twins (referred to as twin pairs) are frequently observed at grain boundaries with small grain boundary angle (θ) in deformed Mg alloys. This study calculates the distribution of the… Click to show full abstract
Cross-boundary twins (referred to as twin pairs) are frequently observed at grain boundaries with small grain boundary angle (θ) in deformed Mg alloys. This study calculates the distribution of the high peak geometric compatibility factor (m′) values over potential variants with θ. The misorientation angles (α) between the potential variants of twin pairs are also evaluated. It reveals that α is a reasonable reflection of the m′ parameter for ideal basal texture. There is a clear variant with high m′, but there may be two variants with similar small values of α. Moreover, it shows that θ correlates reasonably with high peak values of m′, particularly below 30° of misorientation.
Journal Title: Advanced Engineering Materials
Year Published: 2017
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