Analysis of long crack lines in paper webs

被引：37

作者：

Salminen, LI

Alava, MJ

Niskanen, KJ

机构：

[1] Aalto Univ, Phys Lab, Espoo 02015, Finland

[2] KCL Sci & Consulting, Espoo 02151, Finland

来源：

EUROPEAN PHYSICAL JOURNAL B | 2003年 / 32卷 / 03期

关键词：

D O I：

10.1140/epjb/e2003-00111-x

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

We analyze 6500 mm long fracture lines of paper as an example of crack propagation involving disorder. The cracks are asymptotically self-affine, with a roughness exponent close to 0.6. Systematic deviations from the power-law-scaling exist below a lengthscale related to the microscopic heterogeneities and possibly to a cross-over from 3d to 2d crack propagation. Several analysis methods are discussed, including first return analysis and the detection of correlated trends.

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收藏

页码：369 / 374

页数：6

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