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Microstructures and strengthening mechanisms of Cu/Ni/W nanolayered composites
J. W. Yan; G. P. Zhang; X. F. Zhu; H. S. Liu; C. Yan
2013
Source PublicationPhilosophical Magazine
ISSN1478-6435
Volume93Issue:5Pages:434-448
AbstractCu/Ni/W nanolayered composites with individual layer thickness ranging from 5?nm to 300?nm were prepared by a magnetron sputtering system. Microstructures and strength of the nanolayered composites were investigated by using the nanoindentation method combined with theoretical analysis. Microstructure characterization revealed that the Cu/Ni/W composite consists of a typical Cu/Ni coherent interface and Cu/W and Ni/W incoherent interfaces. Cu/Ni/W composites have an ultrahigh strength and a large strengthening ability compared with bi-constituent CuX (X?=?Ni, W, Au, Ag, Cr, Nb, etc.) nanolayered composites. Summarizing the present results and those reported in the literature, we systematically analyze the origin of the ultrahigh strength and its length scale dependence by taking into account the constituent layer properties, layer scales and heterogeneous layer/layer interface characteristics, including lattice and modulus mismatch as well as interface structure.
description.department[yan, j. w. ; zhang, g. p. ; zhu, x. f. ; liu, h. s.] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china. [yan, c.] queensland univ technol, fac built environm & engn, sch engn syst, brisbane, qld 4001, australia. ; zhang, gp (reprint author), chinese acad sci, inst met res, shenyang natl lab mat sci, 72 wenhua rd, shenyang 110016, peoples r china. ; gpzhang@imr.ac.cn
KeywordMetallic Nanolayered Composite Strength Length Scale Interface Dislocation Thin-films Deformation Mechanisms Metallic Multilayers Elastic-modulus Interface Cu Indentation Nanoscale Enhancement Instability
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Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/71615
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
J. W. Yan,G. P. Zhang,X. F. Zhu,et al. Microstructures and strengthening mechanisms of Cu/Ni/W nanolayered composites[J]. Philosophical Magazine,2013,93(5):434-448.
APA J. W. Yan,G. P. Zhang,X. F. Zhu,H. S. Liu,&C. Yan.(2013).Microstructures and strengthening mechanisms of Cu/Ni/W nanolayered composites.Philosophical Magazine,93(5),434-448.
MLA J. W. Yan,et al."Microstructures and strengthening mechanisms of Cu/Ni/W nanolayered composites".Philosophical Magazine 93.5(2013):434-448.
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