Relation between the Hurst Exponent and the Efficiency of Self-organization of a Deformable System

被引：2
|
作者：
Alfyorova, E. A. [1 ]
Lychagin, D. V. [1 ,2 ]
机构：
[1] Natl Res Tomsk Polytech Univ, Tomsk 634050, Russia
[2] Natl Res Tomsk State Univ, Tomsk 634050, Russia
来源：
TECHNICAL PHYSICS | 2018年 / 63卷 / 04期
关键词：
SINGLE-CRYSTALS; UNIAXIAL COMPRESSION; METALS; FILMS;
D O I：
10.1134/S1063784218040035
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We have established the degree of self-organization of a system under plastic deformation at different scale levels. Using fractal analysis, we have determined the Hurst exponent and correlation lengths in the region of formation of a corrugated (wrinkled) structure in [111] nickel single crystals under compression. This has made it possible to single out two (micro- and meso-) levels of self-organization in the deformable system. A qualitative relation between the values of the Hurst exponent and the stages of the stress-strain curve has been established.
引用
收藏
页码：540 / 545
页数：6
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