针对强流脉冲电子束(HCPEB)表面改性的特点,采用适当的数学模型和数值模拟的方法,对9Cr18钢经Ti离子注入后又使用强流脉冲电子束表面辐照处理中产生的增强扩散效应进行了研究,计算结果与实验结果较为吻合.分析表明,扩散激活能的下降是导致增强扩散的主要原因,这与HCPEB改性过程产生的非平衡辐照缺陷浓度密切相关.
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