Effect of compliant interface on the curvature and stress of micron-size film-substrate composite structure

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	Effect of compliant interface on the curvature and stress of micron-size film-substrate composite structure
	Liu Y; Zhang Y(张吟)
会议录名称	2006 IEEE International Conference on Robotics and Biomimetics, ROBIO 2006
	2006
会议名称	2006 IEEE International Conference on Robotics and Biomimetics, ROBIO 2006
会议日期	December 17, 2006 - December 20, 2006
会议地点	Kunming, China
摘要	The stress inside the film or substrate can be evaluated by the Stoney's formula and its modified/extended formula, which links the curvature to the stress state inside the composite. However, the Stoney's formula and its modified/extended formula assume the rigid interface, which allows no interfacial slip. The compliance of interface results in an interfacial slip, which can significantly affect the distribution of stress inside the film and substrate. The interface layer with the effect of interfacial slip plays the vital role of stress transfer between the film and substrate. The curvatures of film and substrate are shown to be different in general with the presence of interfacial slip and deviate significantly from that predicated by the models of rigid interface. This could be a serious error source when using the models of rigid interface to evaluate the stress inside the film or substrate, especially when the dimension of the composite is the order of several microns. A model which extends the application of Stoney's formula to the case of composite with interfacial slip is presented. ©2006 IEEE.
关键词	(ABiotic And Biotic) Stress Curvature (Sori) Error Sources General (Co) Interface Layers Interfacial Slips International Conferences Micron Sizes Stoney's Formula Stress States Stress Transfer
WOS记录号	WOS:000245907300027
ISBN号	1424405718
URL	查看原文
收录类别	CPCI-S ; EI
语种	英语
引用统计
文献类型	会议论文
条目标识符	http://dspace.imech.ac.cn/handle/311007/60295
专题	力学所知识产出(1956-2008)
推荐引用方式 GB/T 7714	Liu Y,Zhang Y. Effect of compliant interface on the curvature and stress of micron-size film-substrate composite structure[C]2006 IEEE International Conference on Robotics and Biomimetics, ROBIO 2006,2006.

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