摘要
着重探讨了马氏体－贝氏体钢中奥氏体的数量及形态分布等对其力学性能的影响，指出了在不同冲击载荷下，针对奥氏体的数量及形态分布选择该种钢的方法．
The effects of austenite in M－B steel are discussed according to the contentsamount．shape and distribution of austenite．The results show that a litile amount of austeniteflim in M－B steelcan promote wear resistance．
关键词
马氏体
贝氏体
奥氏体
双相钢
martenite－bainite steel．austenite wear resistance．
