SiC_(p)/Al复合材料低损伤表面切削加工研究与进展  

Research Progress on Machining of SiC_(p)/Al Composite

作　　者：潘永智[1] 张泽文 时启航 王振达 付秀丽[1] 金腾 PAN Yongzhi;ZHANG Zewen;SHI Qihang;WANG Zhenda;FU Xiui;JIN Teng(University of Jinan,Jinan 250022,China;Shandong Huayun Electrical and Mechanical Technology Co.,Ltd.,Jinan 250022,China)

机构地区：[1]济南大学,济南250022 [2]山东华云机电科技有限公司,济南250022

出　　处：《航空制造技术》2023年第7期101-112,共12页Aeronautical Manufacturing Technology

基　　金：国家自然科学基金(51675230);山东省新旧动能转换重大项目(SGG2001);山东省自然科学基金面上项目(ZR2021ME183)。

摘　　要：SiC_(p)/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SiC_(p)/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SiC_(p)/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SiC_(p)/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SiC_(p)/Al复合材料协调变形和塑性域加工工艺条件的发展方向。SiC_(p)/Al is a topical difficult-to-cut material.In the cutting progress,the exist of particulates reinforcements makes the machined surface of the material easily appear some defects like matrix tearing,microcrack and microvoid during cutting.In order to achieve high efficiency and low damage machining of SiC_(p)/Al composites,the paper summarizes macroscopic and microscopic modeling method which characterizes SiC_(p)/Al dynamic mechanical properties.It analyzes the hotspots and difficult problems of the multi-scale and multiphase coupling cuttingfinite element simulation.It summarizes the cutting performance of SiC_(p)/Al composite and its influencing factors from the perspectives of chip formation mechanism,surface integrity and tool wear.Research shows that removal mode and mechanism of the particulates reinforcements have a significant effect on surface formation.It discusses research progress of the mechanism of processing ductile regime and the acquiring critical conditions of brittle-ductile transition.It points out that low temperature micro cutting,ultrasonic assisted micro cutting and laser assisted micro cutting are the development directions which achieve compatible deformation and the processing conditions of ductile regime of SiC_(p)/Al composites.

关 键 词：SiC_(p)/Al 切削加工 表面损伤 塑性域 能场辅助 

分 类 号：TB333[一般工业技术—材料科学与工程] TG506[金属学及工艺—金属切削加工及机床]