采用限磁/压电复合材料的高灵敏度和热阻磁位移传感器

INTERMAG Asia 2005. Digests of the IEEE International Magnetics Conference, 2005. Pub Date : 2005-04-04 DOI:10.1109/INTMAG.2005.1463915

T. Ueno, T. Higuchi

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引用次数: 1

摘要

介绍了一种采用磁致伸缩/压电复合材料的高灵敏度热阻磁位移传感器。两种类型的传感器由Tb-Dy-Fe (T/sub c/: 380/spl度/ c)合金和LiNbO/sub 3/ (T/sub c/: 1200/spl度/ c)或PZT (T/sub c/: 340/spl度/ c)集成到由铁轭和SmCo磁铁(T/sub c/: 830/spl度/ c)组成的磁路复合材料制成。测量了灵敏度的温度特性。结果表明，该传感器的热阻性继承了Tb-Dy-Fe和LiNbO/sub / 3的高居里温度。

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High sensitive and heat-resistive magnetic displacement sensor using magnetorestrictive/piezoelectric laminate composite

A high sensitive and heat-resistive magnetic displacement sensor using a magnetostrictive/piezoelectric laminate composite is introduced. Two types of sensor are fabricated by a laminate composite of Tb-Dy-Fe (T/sub c/: 380/spl deg/C) alloy and LiNbO/sub 3/ (T/sub c/: 1200/spl deg/C) or PZT (T/sub c/: 340/spl deg/C) integrated to a magnetic circuit consisting of iron yokes and a SmCo magnet (T/sub c/: 830/spl deg/C). The temperature characteristics of sensitivity is measured. The results demonstrate heat-resistivity of the sensor inherited from the high Curie temperatures of Tb-Dy-Fe and LiNbO/sub 3/.

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来源期刊

INTERMAG Asia 2005. Digests of the IEEE International Magnetics Conference, 2005.

CiteScore

0.50

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0.00%

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