研究了纯镁及镁合金强流脉冲电子束处理后微观组织的变化,改性层呈现特殊的层状结构,最表层为50～100 nm的纳米氧化镁,下面是6～10 μm的重熔层,重熔层下面是热影响区和应力波作用区,其中产生孪晶变形,提出了强流脉冲电子束处理纯镁及镁合金改性层的结构模型,并对其形成机制进行了初步分析.
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