实验表明，适于拔丝的双相组织是在板条马氏体基体上分布着细小的铁素体岛。
Experiments show that the dual phase structure suitable to wire drawing consists of fine ferrite islands dispersed in the matrix of lath martensite.
具有马氏体基体的高铬铸铁，有理想的耐磨组织，但通常要通过热处理才能得到。
However, the martensitic matrix of high-chromium cast iron has excellent abrasion-resistant tissues, which used to be obtained only by means of heat treatment.
结果认为无论马氏体基体还是奥氏体基体，高角度冲击下的耐磨性都低于低角度冲击；
It is shown that the erosive resistance at high angle of impact is wrose than at low angle regardless of austenite or martensite matrix;
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