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Finite element and experimental analysis of machinability during machining of high-volume fraction SiCp/Al composites
Zhou, L.; Cui, C.; Zhang, P. F.; Ma, Z. Y.; Ma, ZY (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China.
2017-07-01
Source PublicationINTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY
ISSN0268-3768
Volume91Issue:42863Pages:1935-1944
AbstractThe machinability, including machined surface, edge quality, and the distribution of the subsurface residual stress, was studied during the orthogonal cutting of high-volume fraction SiCp/Al composites by both finite element analysis and experiments. The effect of cutting parameters on surface roughness, sizes of edge breakout, and residual stress were investigated. The elastic-plastic constitutive model and Johnson-Cook damage model for the Al alloy matrix, and the elastic-brittle failure for SiC particle were implemented in the mechanical properties of composites during the cutting simulation. The results indicate that the surface morphology is primarily dependent on the fracture models of SiC particles, and the formation of the negative shear plain is the main reason of edge breakout. Due to the inhomogeneity in the composites, the distribution of surface and subsurface residual stress is not uniform, and the high residual stress was distributed in the interface between irregular particles and matrix. The average value of residual stress of SiC particle is similar to that of the matrix. The predicted machined surface morphology and edge breakout sizes correlated well with the experimental observation. This study highlights the important role of the fracture model of SiC particles on surface finish and the edge quality. It provides useful information for better understanding of the mechanics in machining of the SiCp/Al composites.; The machinability, including machined surface, edge quality, and the distribution of the subsurface residual stress, was studied during the orthogonal cutting of high-volume fraction SiCp/Al composites by both finite element analysis and experiments. The effect of cutting parameters on surface roughness, sizes of edge breakout, and residual stress were investigated. The elastic-plastic constitutive model and Johnson-Cook damage model for the Al alloy matrix, and the elastic-brittle failure for SiC particle were implemented in the mechanical properties of composites during the cutting simulation. The results indicate that the surface morphology is primarily dependent on the fracture models of SiC particles, and the formation of the negative shear plain is the main reason of edge breakout. Due to the inhomogeneity in the composites, the distribution of surface and subsurface residual stress is not uniform, and the high residual stress was distributed in the interface between irregular particles and matrix. The average value of residual stress of SiC particle is similar to that of the matrix. The predicted machined surface morphology and edge breakout sizes correlated well with the experimental observation. This study highlights the important role of the fracture model of SiC particles on surface finish and the edge quality. It provides useful information for better understanding of the mechanics in machining of the SiCp/Al composites.
description.department[zhou, l. ; cui, c. ; zhang, p. f.] shenyang ligong univ, sch mech engn, shenyang 110159, peoples r china ; [zhou, l. ; ma, z. y.] chinese acad sci, inst met res, shenyang 110016, peoples r china
KeywordComposites Orthogonal Cutting Finite Element Simulation Machinability
Subject AreaAutomation & Control Systems ; Engineering, Manufacturing
Funding OrganizationNational Natural Science Foundation of China [51175353]; Shenyang Ligong University [4771004kfx21]
Indexed BySCI
Language英语
WOS IDWOS:000404132100039
Citation statistics
Cited Times:22[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/78063
Collection中国科学院金属研究所
Corresponding AuthorMa, ZY (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China.
Recommended Citation
GB/T 7714
Zhou, L.,Cui, C.,Zhang, P. F.,et al. Finite element and experimental analysis of machinability during machining of high-volume fraction SiCp/Al composites[J]. INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY,2017,91(42863):1935-1944.
APA Zhou, L.,Cui, C.,Zhang, P. F.,Ma, Z. Y.,&Ma, ZY .(2017).Finite element and experimental analysis of machinability during machining of high-volume fraction SiCp/Al composites.INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY,91(42863),1935-1944.
MLA Zhou, L.,et al."Finite element and experimental analysis of machinability during machining of high-volume fraction SiCp/Al composites".INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY 91.42863(2017):1935-1944.
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