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grain boundary defect
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grain boundary defect
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理学
晶界缺陷
释
grain boundary defect
晶界
属于同一固相但位相不同的晶粒之间的界面。是一种内界面;晶粒有时由若干个位向稍有差异的亚晶粒所组成,相邻亚晶粒间的界面称为亚晶界(晶粒的平均直径通常在0.015~0.250毫米,而亚晶粒的平均直径则为0.001毫米数量级)。
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