基于单颗金刚石磨粒磨削的SiC_(p)/Al复合材料仿真与试验研究  

Simulation and Experimental Study of SiC_(p)/Al Composite Based on Single Abrasive Grinding

作　　者：阳慧 姜炳春[1] 唐成 刘伟[2] YANG Hui;JIANG Bingchun;TANG Cheng;LIU Wei(Guangdong University of Science and Technology,Dongguan 523000,China;Hunan University of Science and Technology,Xiangtan 411201,China)

机构地区：[1]广东科技学院,东莞523000 [2]湖南科技大学,湘潭411201

出　　处：《航空制造技术》2023年第12期103-109,共7页Aeronautical Manufacturing Technology

基　　金：湖南省自然科学基金项目(2020JJ2024);湖南省教育厅重点项目(18A182);广东科技学院一般项目(GKY–2021KYYBK–3)。

摘　　要：本文主要开展了单颗金刚石磨粒磨削碳化硅颗粒增强铝基(SiC_(p)/Al)复合材料的试验及三维有限元仿真研究。分析了SiC_(p)/Al复合材料磨削过程中磨削工艺参数对磨削力及表面形貌等的影响。分析结果表明,随着磨粒转速的增加,磨削力减小,SiC颗粒破碎现象有所缓解,铝基体的涂覆作用增强,表面形貌完整性好;随着磨削深度的增加,磨削力增大,SiC颗粒破碎明显增强,表面形成较多凹坑与孔洞,表面质量差。仿真结果与试验结果较吻合,说明该仿真模型可用于磨削工艺参数的优化分析。The experiment and three-dimensional finite element simulation of single diamond abrasive grinding SiC_(p)/Al composites are carried out.The effects of grinding parameters on grinding force and surface morphology of SiC_(p)/Al composites were analyzed.The analysis results show that the grinding force decreases with the grinding speed increasing,the breakage of SiC particles is alleviated,the coating effect of aluminum matrix is enhanced,and the surface morphology integrity is good.The grinding force increases with the grinding depth increasing,SiC particle breakage is significantly enhanced,more pits and holes are formed on the surface,and the surface quality is poor.The simulation results are consistent with the experimental results,which shows that the model can be used to optimize the grinding process parameters.

关 键 词：SiC_(p)/Al复合材料 三维有限元仿真 单颗磨粒 磨削力 表面形貌 

分 类 号：TG580.6[金属学及工艺—金属切削加工及机床] TB333[一般工业技术—材料科学与工程]