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原子平均离位
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原子平均离位
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displacement per atom
原子平均离位
描述在不同辐照环境下离位损伤程度的一个参数。材料被辐照到一定剂量时,平均到每个晶格原子被撞击而发生离位的次数。简称dpa。见dpa。
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