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	Size effect in tension of thin films on substrate: a study based on the reformulation of mechanism-based strain gradient plasticity
	Yun, G. ; Hwang, K.C. ; Huang, Y. ; Wu, P.D. ; Liu, C.
	2010-05-07 ; 2010-05-07
关键词	Theoretical or Mathematical/ copper dislocations metallic thin films plasticity substrates yield strength/ mechanism based strain gradient plasticity size effect type-II strain gradient plasticity theory Taylor dislocation model uniaxial tension copper thin film Kapton substrate boundary condition yield stress Cu/ A6860 Physical properties of thin films, nonelectronic A6825 Mechanical and acoustical properties of solid surfaces and interfaces A8140L Deformation, plasticity and creep A6220F Deformation and plasticity A6170G Dislocations: theory/ Cu/int Cu/el
中文摘要	We have used the type-II strain gradient plasticity theory, based on the Taylor dislocation model, to study the size effect in uniaxial tension experiments of a copper thin film on a Kapton substrate. There are two contributing mechanisms to the size effect in uniaxial tension of thin film on substrate. One is the strain gradient effect associated with the higher-order boundary condition, and the other is the substrate constraint effect on the yield stress. It is shown that the latter dominates the contribution to the size effect in uniaxial tension of thin film on substrate.
语种	英语 ; 英语
出版者	Taylor & Francis ; UK
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/16348]
专题	清华大学
推荐引用方式 GB/T 7714	Yun, G.,Hwang, K.C.,Huang, Y.,et al. Size effect in tension of thin films on substrate: a study based on the reformulation of mechanism-based strain gradient plasticity[J],2010, 2010.
APA	Yun, G.,Hwang, K.C.,Huang, Y.,Wu, P.D.,&Liu, C..(2010).Size effect in tension of thin films on substrate: a study based on the reformulation of mechanism-based strain gradient plasticity..
MLA	Yun, G.,et al."Size effect in tension of thin films on substrate: a study based on the reformulation of mechanism-based strain gradient plasticity".(2010).

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