GMR magnetic sensor arrays for nde eddy-current testing

被引：0
|
作者：
Smith, CH [1 ]
Schneider, RW [1 ]
Dogaru, T [1 ]
Smith, ST [1 ]
机构：
[1] NVE Corp, Adv Technol Grp, Eden Prairie, MN 55344 USA
来源：
REVIEW OF PROGRESS IN QUANTITATIVE NONDESTRUCTIVE EVALUATION, VOLS 22A AND 22B | 2003年 / 20卷
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D O I：
暂无
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
Magnetic sensors based on Giant Magnetoresistance (GMR) and Spin-Dependent Tunneling (SDT) effects have high, frequency-independent sensitivity. The small size and low power consumption of these sensors allow them to be used in multiple-sensor arrays facilitating rapid scanning of an area in a single pass rather than raster scanning. This paper discusses the use of GMR and SDT sensors in NDE testing of surface cracks and features, deep cracks, and hole-edge cracks as well as progress in X-Y GMR sensors and multiple-sensor arrays.
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收藏
页码：419 / 426
页数：8
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