IMR OpenIR
Multiscale modeling of macroscopic and microscopic residual stresses in metal matrix composites using 3D realistic digital microstructure models
Zhang, X. X.; Xiao, B. L.; Andrae, Heiko; Ma, Z. Y.; zyma@imr.ac.cn
2016
发表期刊COMPOSITE STRUCTURES
ISSN0263-8223
卷号137页码:18-32
摘要This work presents a hierarchical multiscale method for predicting accurately and efficiently the macroscopic and microscopic residual stresses (RSes) in MMCs based on large-size realistic digital microstructure models. Effects of various conditions on the multiscale modeling are systematically studied. Results indicate that the hierarchical multiscale model shows both a good self-consistency and a good accuracy. Compared with the kinematic uniform boundary conditions, the static uniform boundary conditions lead to more accurate prediction of the thermal misfit RS. The size of the volume element has significant effects on the predicted values of the thermal misfit RS. The hierarchical multiscale model gains significant advantages over the hybrid-semiconcurrent one with respect to both computational efficiency and computer memory cost. The local fluctuation profiles and total variations of the total RS are dominated by those of the thermal misfit RS at the microscale and by those of the macroscopic RS at the macroscale, respectively. (C) 2015 Elsevier Ltd. All rights reserved.
部门归属[zhang, x. x. ; xiao, b. l. ; ma, z. y.] chinese acad sci, inst met res, shenyang natl lab mat sci, 72 wenhua rd, shenyang 110016, peoples r china ; [andrae, heiko] fraunhofer inst ind math, fraunhofer pl 1, d-67663 kaiserslautern, germany
关键词Multiscale Modeling Homogenization Residual Stress Realistic Microstructure Boundary Condition Rve Size
资助者National Natural Science Foundation of China [51401219]; National Basic Research Program of China [2012CB619600]
收录类别sci
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/75008
专题中国科学院金属研究所
通讯作者zyma@imr.ac.cn
推荐引用方式
GB/T 7714
Zhang, X. X.,Xiao, B. L.,Andrae, Heiko,et al. Multiscale modeling of macroscopic and microscopic residual stresses in metal matrix composites using 3D realistic digital microstructure models[J]. COMPOSITE STRUCTURES,2016,137:18-32.
APA Zhang, X. X.,Xiao, B. L.,Andrae, Heiko,Ma, Z. Y.,&zyma@imr.ac.cn.(2016).Multiscale modeling of macroscopic and microscopic residual stresses in metal matrix composites using 3D realistic digital microstructure models.COMPOSITE STRUCTURES,137,18-32.
MLA Zhang, X. X.,et al."Multiscale modeling of macroscopic and microscopic residual stresses in metal matrix composites using 3D realistic digital microstructure models".COMPOSITE STRUCTURES 137(2016):18-32.
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