Adsorbed layers and the origin of static friction

被引：368

作者：

He, G ^{[1
]}

Müser, MH ^{[1
]}

Robbins, MO ^{[1
]}

机构：

[1] Johns Hopkins Univ, Dept Phys & Astron, Baltimore, MD 21218 USA

来源：

SCIENCE | 1999年 / 284卷 / 5420期

关键词：

D O I：

10.1126/science.284.5420.1650

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Analytic results and experiments in ultrahigh vacuum indicate that the static friction between-two clean crystalline surfaces should almost always vanish, yet macroscopic objects always exhibit static friction. A simple and general explanation for-the prevalence of static friction is proposed. "Third bodies," such as small hydrocarbon molecules, adsorb on any surface exposed to air and can arrange to Lock two contacting surfaces together. The resulting static friction is consistent with experimental behavior, including Amontons' Laws.

引用

页码：1650 / 1652

页数：3

共 35 条

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