The wear resistance of chilled cast iron cams with different graphite contents in the chilled layer were studied through wear contrast test.
采用磨损对比试验,研究了激冷层中不同石墨含量激冷铸铁凸轮之间的耐磨性关系。
2
The results show that Nb can increase the structure stability of chilled cast iron.
结果表明,铌可以有效地提高冷硬铸铁高温组织的稳定性。
3
In the process of rough rolling, the alloy semisteel was chosen, and the unlimited chrome and molybdenum chillediron roll material was used in the process of fine rolling.