采用改进分析型EAM模型(MAEAM)研究了溶质钒与铁的[100](001)位错的相互作用.对铁的[100](001)位错及掺杂结构用分子动力学方法进行了弛豫.计算了钒在这些掺杂格点上的能量,以及溶质钒与铁的[100](001)位错缺陷系统的能量,发现在位错芯区域钒的格点能高,随着钒与位错芯之间距离的增加,其格点能降低;溶质钒替代拉伸区位错芯位置的铁原子时,钒与位错的相互作用能最强,缺陷系统的能量最低、结构最稳定.
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