The effect of carburized depth,carbon content and core structure on thetorsional flow harden behaviour and the fracture feature of 20CrMnM_ocarbuizing steel wasinvestigated in a relatively allround way.

• 本文以20CrMnMo 钢为对象比较全面地研究了不同渗碳层厚度、渗碳层碳含量以及不同心部组织对扭转流变硬化行为和断裂特征的影响。