1012023年第66卷第7期·航空制造技术RESEARCH研究论文SiCp/Al复合材料低损伤表面切削加工研究与进展*潘永智1，张泽文1，时启航1，王振达1，付秀丽1，金腾2（1.济南大学，济南250022；2.山东华云机电科技有限公司，济南250022）[摘要]SiCp/Al复合材料属于典型的难加工材料，其SiC颗粒增强相的存在使得切削加工时材料已加工表面极易出现基体撕裂、微裂纹、微空穴等缺陷。为了实现SiCp/Al复合材料的高效低损伤加工，从切屑形成机制、表面完整性和刀具磨损等方面总结SiCp/Al复合材料切削加工性能及其影响因素，研究表明，该材料增强相颗粒去除方式和去除机理对表面形成过程影响显著；探讨了SiCp/Al复合材料塑性域加工机理和塑脆转换临界条件获取方面的研究进展，综述了表征SiCp/Al动态力学性能的宏微观建模方法，分析了多尺度多相耦合切削加工有限元仿真的热点和难点问题；指出了低温微切削、超声辅助微切削、激光辅助微切削等是实现SiCp/Al复合材料协调变形和塑性域加工工艺条件的发展方向。关键词：SiCp/Al；切削加工；表面损伤；塑性域；能场辅助ResearchProgressonMachiningofSiCp/AlCompositePANYongzhi1,ZHANGZewen1,SHIQihang1,WANGZhenda1,FUXiuli1,JINTeng2(1.UniversityofJinan,Jinan250022,China;2.ShandongHuayunElectricalandMechanicalTechnologyCo.,Ltd.,Jinan250022,China)[ABSTRACT]SiCp/Alisatopicaldifficult-to-cutmaterial.Inthecuttingprogress,theexistofparticulatesreinforcementsmakesthemachinedsurfaceofthematerialeasilyappearsomedefectslikematrixtearing,microcrackandmicrovoidduringcutting.InordertoachievehighefficiencyandlowdamagemachiningofSiCp/Alcomposites,thepapersummarizesmacroscopicandmicroscopicmodelingmethodwhichcharacterizesSiCp/Aldynamicmechanicalproperties.Itanalyzesthehotspotsanddifficultproblemsofthemulti-scaleandmultiphasecouplingcuttingfiniteelementsimulation.ItsummarizesthecuttingperformanceofSiCp/Alcompositeanditsinfluencingfactorsfromtheperspectivesofchipformationmechanism,surfaceintegrityandtoolwear.Researchshowsthatremovalmodeandmechanismoftheparticulatesreinforcementshaveasignificantefectonsurfaceformation.Itdiscussesresearchprogressofthemechanismofprocessingductileregimeandtheacquiringcriticalconditionsofbrittle-ductiletransitio...
