An Integrated Study of Defects in Composite Materials Using Brittle Strain-Sensitive Coatings and Acoustic Emission

被引：2

作者：

Matvienko, Yu. G. ^{[1
]}

Fomin, A. V. ^{[1
]}

Ivanov, V. I. ^{[1
]}

Severov, P. B. ^{[1
]}

Vasiliev, I. E. ^{[1
]}

机构：

[1] Russian Acad Sci, Mech Engn Res Inst, Moscow, Russia

来源：

INORGANIC MATERIALS | 2015年 / 51卷 / 15期

关键词：

defect; strain-sensitive coating; crack; acoustic emission; signal;

D O I：

10.1134/S0020168515150133

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A technique for an integrated study of defects in composite materials using brittle strain-sensitive coatings and acoustic emission is described. Strain-sensitive coatings make it possible to detect hidden defects that affect the stress-strain state of the product at the early stages of loading. Acoustic emission monitoring conducted during further loading provides a more accurate determination of the position of potentially dangerous defects. The technique is optimized using flat samples with a central hole simulating a defect under conditions of uniaxial tension.

引用

页码：1463 / 1467

页数：5

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