Factors influencing acousto-ultrasonic approach to impact damage in composite materials

被引：2
|
作者：
Kong, Huanping [1 ]
Zhang, Zheng [1 ]
Li, Lifei [1 ]
机构：
[1] Beihang Univ, Sch Mat Sci & Engn, Beijing 100191, Peoples R China
来源：
BIOTECHNOLOGY, CHEMICAL AND MATERIALS ENGINEERING, PTS 1-3 | 2012年 / 393-395卷
关键词：
Acousto-ultrasonic; impact damage; influencing factors; composite;
D O I：
10.4028/www.scientific.net/AMR.393-395.97
中图分类号：
Q81 [生物工程学（生物技术）]; Q93 [微生物学];
学科分类号：
071005 ; 0836 ; 090102 ; 100705 ;
摘要：
This paper studied factors influencing AU detection results on different damage specimens, including simulation frequency, transducer modes and transducer location. Correlation between acousto-ultrasonic parameters (AUP1, AUP2) and impact damage severity in composite was investigated. The results showed that as damage severity increased, AUP1 and AUP2 of three different transducers decreased. Applying low frequency transducer, the variation of AUP1 may indicate a more rapid detection prospect. In addition, applying S1-transducer and WD-transducer, AUP2 was more effective for the early damage detection. Varying transducer's location, S1-transducer applying 500khz simulation frequency presented a valuable results.
引用
收藏
页码：97 / 101
页数：5
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