DETECTION OF PLATE COMPONENTS DEFECTS BY SURFACE WAVE BASED ON TRANSDUCER ARRAYS

被引：0
|
作者：
Liu, Zhao [1 ]
Meng, Fanwu [1 ]
Xu, Chunguang [1 ]
Li, Xipeng [1 ]
Zhou, Shiyuan [1 ]
Xiao, Dingguo [1 ]
机构：
[1] Beijing Inst Technol, Key Lab Fundamental Sci Adv Machining, Beijing 100081, Peoples R China
来源：
REVIEW OF PROGRESS IN QUANTITATIVE NONDESTRUCTIVE EVALUATION, VOLS 32A AND 32B | 2013年 / 1511卷
关键词：
SAW; Image Reconstruction; Circular Sensor Array and Geometric;
D O I：
10.1063/1.4789110
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Detection of micro damages in flat components on-site has a significant sense for improving the safety of the equipment. Based on the theory of the surface acoustic wave (SAW) propagation laws in flat components, the micro damage detection in the flat component has been researched. Using wavelet analysis technology and inversed spectrum technology, the micro-damages' feature parameters can be extracted out accurately. Utilizing the feature parameters got by every transducer in a transducer arrays, the micro-damages' image can be reconstructed, and the micro-damages' location, outer geometric configuration, and damage level can be showed clearly.
引用
收藏
页码：667 / 674
页数：8
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