Using Acoustic Emissions to Detect Damage in Three-Dimensional Braided Composites

被引：0
|
作者：
李怡 [1 ]
万振凯 [2 ,3 ]
李嘉禄 [4 ]
机构：
[1] School of Textiles,Tianjin Polytechnic University
[2] School of Computer Technology and Automation,Tianjin Polytechnic University
[3] Network Centre of Distance Education,Tianjin Polytechnic University
[4] Key Labortory of Advanced Textile Composite Materials,Ministry of Education,Tianjin Polytechnic University
来源：
Journal of Donghua University(English Edition) | 2010年 / 27卷 / 04期
关键词：
three-dimensional(3D)braided composites; acoustic emission; fiber fragmentation;
D O I：
10.19884/j.1672-5220.2010.04.023
中图分类号：
TB332 [非金属复合材料];
学科分类号：
0805 ; 080502 ;
摘要：
Three-dimensional(3D)braided composites with better properties have been used in some particular industries.Some have had obvious signs of crack when they are braided.Others have had catastrophic failures occuring without warning.A new methodology for the analysis of failure modes in composite materials by means of acoustic emission techniques has been developed.The occurrence of fiber-breakage during tensile loading tests has been observed by the acoustic emission technology.Using acoustic emission technology is investigated as a means of monitoring 3D braided composites structures,detecting damage,and predicting impending damage.Some of the findings of the research project were presented.
引用
收藏
页码：589 / 592
页数：4
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