临界区淬火在最终热处理中的应用

The Application of Critical Region Quenching in Final Heat Treatment

对低碳高合金钢经常出现的粗大晶粒的细化问题及混晶问题提出了新的理论与工艺，并在实际生产实践中得以应用和证实。

A new theory and technique is indicated on fining crassitude crystal grain and mixed crystal grain of low carbon and high alloy steel, it is applyed and proved in the practice.