Eddy Current Technique Based on HTc-SQUID and GMR Sensors for Non-Destructive Evaluation of Fiber/Metal Laminates

被引:19
作者
Bonavolonta, Carmela [1 ]
Valentino, Massimo
Marrocco, Nicola [1 ]
Pepe, Giovanni Piero [1 ]
机构
[1] Univ Naples Federico 2, CRS Coherentia Natl Inst Matter Phys CNR INFM, Dept Phys Sci, Naples, Italy
关键词
Fiber/metal laminates; GMR; HTc SQUID; MAGNETOMETER; SYSTEM; DAMAGE;
D O I
10.1109/TASC.2009.2019197
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
In this work we present Non-Destructive Evaluation measurements on Fiber/Metal laminate specimen by using eddy current techniques employing HTc SQUID (Superconductive QUantum Interference Device) and Giant Magneto-Resistive (GMR) sensors. Our aim is to compare the performance and the capability of HTc SQUID and GMR sensors to detect the presence of damage inside FML composite materials. Experimental results concerning the detection of artificial defects in aeronautical structures with high magnetic sensitivity by using HTc SQUID, and with high spatial resolution using GMR, will be presented and discussed.
引用
收藏
页码:808 / 811
页数:4
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