Scaling behavior of the Portevin-Le Chatelier effect in an Al-2.5%Mg alloy

被引：20

作者：

Barat, P ^{[1
]}

Sarkar, A ^{[1
]}

Mukherjee, P ^{[1
]}

Bandyopadhyay, SK ^{[1
]}

机构：

[1] Ctr Variable Energy Cyclotron, Kolkata 700064, W Bengal, India

来源：

PHYSICAL REVIEW LETTERS | 2005年 / 94卷 / 05期

关键词：

D O I：

10.1103/PhysRevLett.94.055502

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The scaling behavior of the Portevin-Le Chatelier ( PLC) effect was studied by deforming an Al-2.5% Mg alloy for a wide range of strain rates. To reveal the exact scaling nature, the time series data of true stress versus time, obtained during deformation, were analyzed by two complementary methods: the finite variance scaling method and the diffusion entropy analysis. From these analyses we could establish that, in the entire span of strain rates, the PLC effect showed the Levy-walk property.

引用

页码：1 / 4

页数：4

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