Nowicki Michał, Gazda Piotr, Szewczyk Roman, Marusenkov Andriy, Nosenko Anton, Kyrylchuk Vasyl
Warsaw University of Technology, Institute of Metrology and Biomedical Engineering, 02-495 Warsaw, Poland.
Lviv Center of the Institute of Space Research, 79060 Lviv, Ukraine.
Materials (Basel). 2019 Jun 30;12(13):2110. doi: 10.3390/ma12132110.
The significant strain dependence of the hysteretic Giant Magnetoimpedance (GMI) effect in a CoFeCrBSi amorphous alloy in a low magnetizing field is presented. A simplistic test stand capable of continuous measurements of GMI characteristics under the influence of strain is detailed. Based on the results, a stress-impedance (SI) sensor is proposed, with a gauge factor similar to semiconductor strain gauges but more robust. An effective method of minimizing external magnetic field influence on the SI effect is given.
本文介绍了在低磁场下,CoFeCrBSi非晶合金中磁滞巨磁阻抗(GMI)效应的显著应变依赖性。详细说明了一种能够在应变影响下连续测量GMI特性的简单测试台。基于这些结果,提出了一种应力阻抗(SI)传感器,其应变系数与半导体应变片相似,但更为坚固耐用。给出了一种有效降低外部磁场对SI效应影响的方法。
Materials (Basel). 2019-6-30
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