Comment on "On the Origin of Frictional Energy Dissipation"

被引:3
|
作者
Persson, B. N. J. [1 ,2 ]
机构
[1] FZ, PGI 1, Julich, Germany
[2] MultiscaleConsulting, Wolfshovener Str 2, D-52428 Julich, Germany
关键词
CO;
D O I
10.1007/s11249-020-1268-2
中图分类号
TQ [化学工业];
学科分类号
0817 ;
摘要
In their interesting study, Hu et al. (Tribol Lett 68:8, 2019, 10.1007/s11249-019-1247-7) have shown that for a simple "harmonium" solid model, the slip-induced motion of surface atoms is close to critically damped. This result is in fact well known from studies of vibrational damping of atoms and molecules at surfaces. However, for real practical cases, the situation may be much more complex and the conclusions of Hu et al are invalid.
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页数:3
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