本文用SEM 505扫描电镜观察到ZG 25钢铸件皮下显微气孔壁上(Mn,Fe)S单晶生长台阶花样和平衡状态的晶体形态.平衡状态面心立方(Mn,Fe)S单晶是由{111}晶形的八个晶面和{100}晶形的六个晶面组成的十四面体.是O_h—m3m类立方晶系对称图形的典型实例.
The step pattern of single crystal growth and the morphology at equilbriiumstate of (Mn, Fe)S on the wall of micro-voids in ZG25 cast steel have been observed using scan-ning electron microscope. The face-centred cubic (Mn, Fe)S single crystal at equilibrium stateis shown to be tetrakaidecahedron consisted of eight {111} planes and six {100} planes, and isa typical example of the O_h-m3m cubic crystal system.
参考文献
| [1] | 闵乃本.晶体生长的物理基础,上海科学技术出版社,1982:309,312~ |
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