Atomic-scale friction and its connection to fracture mechanics

被引：0
作者：
R. W. Carpick
E. E. Flater
K. Sridharan
D. F. Ogletree
M. Salmeron
机构：
[1] the Department of Engineering Physics at the University of Wisconsin,
[2] the Materials Sciences Division at Lawrence Berkeley National Laboratory,undefined
来源：
JOM | 2004年 / 56卷
关键词：
Shear Strength; Lateral Force; Cohesive Zone; Contact Stiffness; Interfacial Shear Strength;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
This paper present a study of contact, adhesion, and friction for nanoasperities using atomic-force microscopy. Proportionality was observed between friction and true contact area, as well as agreement with continuum mechanics models at the nanometer scale, although several features unique to the nanoscale were also observed. The continuum models can be understood in the framework of fracture mechanics and are used to determine the fundamental tribological parameters of nanoscale interfaces: the interfacial shear strength and the work of adhesion.
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页码：48 / 52
页数：4
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