In order to enlarge the applied range of ADI,we explored the feasibility of surface heat treatment by two different processes of high-frequency quenching for ADI.

• 为了进一步扩大ADI的应用范围,采用不同的表面高频淬火工艺考察了ADI表面热处理的可行性,并着重探讨了不同表面处理工艺对ADI表层组织及硬度的影响规律。