Adhesive contact between a nano-scale rigid sphere and an elastic half-space

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Title:	Adhesive contact between a nano-scale rigid sphere and an elastic half-space
Authors:	Wu JJ
Contributors:	機械系
Date:	2006
Issue Date:	2009-11-20 15:44:59 (UTC+8)
Abstract:	The adhesive contact between a nano-scale rigid sphere and an elastic half-space is investigated. By integrating the Lennard-Jones potential, the force by the rigid sphere can be obtained. Then, using the arc-length continuation algorithm, the load-displacement relationship and pressure distribution are obtained. The results are compared with those computed with Derjaguin's approximation. It is found that those computed with Derjaguin's approximation do not predict the adhesive contact precisely for large Tabor's parameter or small spheres. In such circumstances, the method proposed should be used
Relation:	JOURNAL OF PHYSICS D-APPLIED PHYSICS Volume: 39 Issue: 2 Pages: 351-358
Appears in Collections:	[Department of Mechanical Engineering ] journal articles

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