Creep Effects in Nanometer-scale Contacts to Viscoelastic Materials: A Status Report
作者： W. N. Unertl
DOI: 10.1080/00218460008034530
关键词: Contact mechanics 、 Adhesion 、 Optics 、 Deformation (engineering) 、 Nanomechanics 、 Contact area 、 Viscoelasticity 、 Dissipation factor 、 Materials science 、 Creep 、 Mechanics
摘要: Abstract Effects of creep on the behavior nanometer-scale contacts to viscoelastic materials are described from viewpoint contact mechanics theory developed by Ting. The two most important effects are: (1) time at which maximum area and deformation occur can be delayed substantially applied load. (2) separation is related loss tangent. These long-range due distinct much shorter-range crack tip induced adhesion periphery associated with names Barquins Maugis. Consideration relevant scales reveals that expected dominate in SFM-scale for a wide range compliant materials. Guidelines selection optimal experimental parameters studies presented. need comprehensive emphasized.
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