面向航空发动机的镍基合金磨削技术研究进展

Review on Grinding Technology of Nickel-based Superalloys Used for Aero-engine

磨削加工是制造航空发动机镍基合金零件的重要方法。为进一步提高镍基合金磨削加工的材料去除效率、提升工件表面质量,国内外学者开展了诸多基础理论与工艺探索工作。在概述镍基合金材料磨削加工技术发展过程的基础上,全面总结了国内外学者在镍基合金材料磨削去除机理、磨削工艺特性、磨削加工新方法等方面的主要研究成果,并对镍基合金磨削加工技术的难点与发展趋势进行了展望。

Grinding plays the critical role in manufacturing the aero-engine components composed of nickel-based superalloys.Inorder to further improve the material removal rate and workpiece quality,a large number of researches on grinding technology ofnickel-based superalloys are conducted in terms of the fundamental theory and process expending.In this review article,the basicprinciple and development process of grinding are firstly introduced briefly.Then,the technologies are reviewed detailed concerningthe material removal mechanism,the grinding characteristics,and the novel application type of grinding for nickel-based superalloys.Finally,the development trends during grinding of nickel-based superalloys are proposed as well as the difficulties in grinding of suchmaterials.