On the Fractal Dimension of Rough Surfaces

被引：242
|
作者：
Persson, B. N. J. [1 ]
机构：
[1] Forschungszentrum Julich, PGI 1, D-52425 Julich, Germany
来源：
TRIBOLOGY LETTERS | 2014年 / 54卷 / 01期
关键词：
Self-affine fractal; Surface fragility; Fractal dimension; Power spectra; CONTACT MECHANICS; RUBBER-FRICTION; FILM SURFACES; DIFFUSION; ADHESION;
D O I：
10.1007/s11249-014-0313-4
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Most natural surfaces and surfaces of engineering interest, e.g., polished or sandblasted surfaces, are self-affine fractal over a wide range of length scales, with the fractal dimension . We give several examples illustrating this and a simple argument, based on surface fragility, for why the fractal dimension usually is < 2.3. A kinetic model of sandblasting is presented, which gives surface topographies and surface roughness power spectra in good agreement with experiments.
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收藏
页码：99 / 106
页数：8
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