用透射电镜和高分辨率电镜研究了Fe17Mn5Si10Cr5Ni合金的应力诱发εM形态.生长初期εM为厚约20 nm的薄片,它在长度方向上是不连续的,间断区为各生长单元的前沿区.生长初期的εM薄片在交叉时可利用本身的间断区而相互贯穿,且不留下交互作用痕迹,由εM薄片合并成宽大的εM.这种结构特点决定了宽大的εM薄片交互作用的复杂性.
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