Three-phase friction coefficient modeling and simulation in the cutting process of SiCp/Al composites

被引：0
|
作者：
Duan C. [1 ]
Sun W. [1 ]
Fu C. [1 ]
Zhang F. [1 ]
机构：
[1] School of Mechanical Engineering, Dalian University of Technology, Dalian
来源：
Harbin Gongcheng Daxue Xuebao/Journal of Harbin Engineering University | 2019年 / 40卷 / 03期
关键词：
Chip formation; Constitutive relation; Cutting force; Finite element simulation; Friction coefficient; Friction force; SiCp/Al composites; Tool-chip interface friction;
D O I：
10.11990/jheu.201711002
中图分类号：
学科分类号：
摘要：
To solve the problem of accurate prediction of cutting force for SiCp/Al Composites, in this study, the tool-chip contact friction state in the cutting process of SiCp/Al composites was studied by combining theoretical modeling, finite element simulation and cutting experiment.Considering the influence of the wear resistances of aluminum matrix as well as two-and three-body rolling of the SiC particles on the tool-chip friction coefficient, a three-phase friction coefficient model of tool-chip contact in SiCp/Al composites was proposed. Further, a multi-particle random distribution model of SiCp/Al composites was established. The finite element simulation and experimental study of cutting SiCp/Al composite were conducted based on the model of three-phase friction coefficient of tool-chip contact. Results reveal that the simulation of cutting process can accurately predict the material removal process, chip formation, interaction between cutting tools and particles, and cutting force of SiCp/Al composites. © 2019, Editorial Department of Journal of HEU. All right reserved.
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页码：509 / 517
页数：8
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