By simulating the features of two -, three -, four-high mill with finite element method, the geometric shape, micro-structure and mechanical property of wire section are analyzed.
分析了用有限元法模拟线材二辊、三辊和四辊轧机轧制的特点，对线材断面的几何形状、微观组织和机械性能进行了介绍。
Results indicate that the micro - and nano-scale porous structure together with the grafted hydrophobic alkyl long chains endows the aluminum alloy surface with the superhydrophobic property.
结果表明：所制得的超疏水表面是由微-纳“多孔”结构和疏水烃基长链所共同赋予的。
The micro-structure of cutting grooves was analyzed with JXA-840A. It is found that the treated layers of grooves have a fine hardness property and good joining strength with the base metal.
采用JXA-840A分析了微加工形貌，表明微腔（槽）表面留有一层致密的硬化层，且与基体结合良好。
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