论文部分内容阅读
用透射电镜、X射线衍射分析研究了 Fe- 1 7Mn- 1 0 Cr- 5Si- 4Ni合金应力诱发 εM的组成状态在室温随应力水平的提高而产生的变化。在应变小于 3%所对应的低应力水平下 ,形成 εM单变体薄片 ,其厚度小于 1 0 nm;而在对应应变超过 3%的较高应力水平下形成了长尺寸的 εM,其组成结构特点是单变体薄片单元沿长度方向排列。而宽大 εM内部组成结构状态的复杂性则与这种单变体薄片单元的排列组合有关。
The changes of stress-induced εM composition in Fe-1 7Mn-1 0Cr-5Si-4Ni alloy at room temperature with the increase of stress were studied by transmission electron microscopy and X-ray diffraction. At low stress levels corresponding to strain less than 3%, εM unimorph sheets were formed with thicknesses of less than 10 nm; while at higher stress levels corresponding to strains greater than 3%, a long εM was formed with a compositional structure Characterized by the single variant sheet units along the length of the arrangement. However, the complexity of the structural state of the large εM internal structure is related to the arrangement and combination of the monolayer sheet elements.