Comparison of PZT, PZT Based 1-3 Composite and PMN-PT Acoustic Emission Sensors for Glass Fiber Reinforced Plastics

被引：10

作者：

Kim, Geonwoo ^{[1
]}

Seo, Mu-Kyung ^{[2
]}

Choi, Namkyoung ^{[1
]}

Kim, Yong-Il ^{[2
]}

Kim, Ki-Bok ^{[1
,2
]}

机构：

[1] Univ Sci & Technol, Dept Sci Measurement, 217 Gajeong Ro, Daejeon 34113, South Korea

[2] Korea Res Inst Stand & Sci, Div Technol Serv, 267 Gajeong Ro, Daejeon 34113, South Korea

来源：

INTERNATIONAL JOURNAL OF PRECISION ENGINEERING AND MANUFACTURING | 2019年 / 20卷 / 06期

关键词：

Acoustic emission; KLM model; PZT; 1-3; composite; PMN-PT single crystal; GFRP; ULTRASONIC TRANSDUCERS; SINGLE-CRYSTAL; DESIGN; MODEL;

D O I：

10.1007/s12541-019-00055-7

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Glass fiber reinforced plastics (GFRP) have been widely used for wind turbine blades because of the relative ease of manufacturing them into complex shapes, and their excellent fatigue and corrosion resistance. Acoustic emission (AE) testing has become a primary method for monitoring fiber reinforced plastic structures. However, commercial PZT based AE sensors for general usage may not be useful for GFRP wind-turbine blades because of the acoustic mismatching between GFRP and AE sensors. The objective of this study is to develop high sensitive AE sensors for use on GFRP. To accomplish it, PZT based 1-3 composite and PMN-PT single crystal AE sensors were fabricated and their performances were compared with PZT AE sensor. As results, the PZT based 1-3 composite and PMN-PT AE sensors showed better performance than the PZT AE sensor. PZT based 1-3 composite and PMN-PT AE sensors will be promising alternatives to PZT AE sensors for GFRP materials.

引用

页码：1007 / 1015

页数：9

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