Deformation-induced acoustic emission from porous iron

被引：3

作者：

Polyakov, VV ^{[1
]}

Egorov, AV ^{[1
]}

Svistun, IN ^{[1
]}

机构：

[1] Altai State Univ, Barnaul 656099, Russia

来源：

TECHNICAL PHYSICS LETTERS | 2001年 / 27卷 / 11期

关键词：

Iron; Porosity; Signal Intensity; Stress Level; Acoustic Emission;

D O I：

10.1134/1.1424399

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We studied the acoustic emission (AE) from mechanically loaded iron samples with a porosity of up to 30%. Dependence of the AE signal intensity (count rate) on the mechanical stress level was established for the samples possessing various structures. The curve of an informative AE parameter exhibits a nonmonotonic variation with increasing porosity, showing an anomaly in the vicinity of the percolation threshold. (C) 2001 MAIK "Nauka/ Interperiodica".

引用

页码：937 / 939

页数：3