摘要
碳化硅颗粒增强铝基复合材料(SiCp/Al)具有优异的材料力学性能,由于SiC颗粒具有较高的硬度使材料加工极其困难。针对体分比为20%的SiCp/2009Al复合材料进行磨削研究,建立了单磨粒磨削有限元模型,对磨削机理和磨削后材料的表面缺陷情况进行仿真分析,并通过磨削试验进行了验证,分析得出形成的表面缺陷有划伤、分层、毛刺、沟痕和凹坑等。根据试验结果,拟合了回归方程,分析了主轴转速、进给速度和磨削深度对表面粗糙度的影响程度。
Silicon carbide particle-reinforced aluminum matrix composites(SiCp/Al)have excellent material mechanical properties,which are extremely difficult to machine because of the high hardness of SiC particles.In this paper,our research is about grinding SiCp/2009Al composites with 20% volume fraction.A finite element model of single abrasive grinding was established to simulation analyze the mechanism of grinding and the surface defects of the material after grinding.The analysis was verified by grinding tests,and the analysis showed that the surface defects formed were scratches,lamination,burrs,gouges,and pits.Based on the experimental results,the regression equation was fitted and the influence degree of spindle speed,feed speed,and grinding depth on the surface roughness was analyzed.
作者
尹逊雨
高奇
陈野
崔天阳
张科
YIN Xunyu;GAO Qi;CHEN Ye;CUI Tianyang;ZHANG Ke(School of Mechanical Engineering and Automation,Liaoning University of Technology,Jinzhou 121001,CHN)
出处
《制造技术与机床》
北大核心
2022年第12期107-112,共6页
Manufacturing Technology & Machine Tool
基金
辽宁省科技厅博士启动基金(2019-BS-123)
辽宁省自然科学基金(2022-MS-375)。
