Nowicki Michał
Warsaw University of Technology, Institute of Metrology and Biomedical Engineering, 02-525 Warsaw, Poland.
Materials (Basel). 2019 Sep 9;12(18):2908. doi: 10.3390/ma12182908.
The results of the investigation on tensile stress dependence of the SAMR (small angle magnetization rotation) signal in soft magnetic amorphous ribbons are presented. Exemplary results for commercially available, negatively magnetostrictive 2705M, 2714A, and 6030D amorphous ribbons show significant stress dependence, in contrast to positively magnetostrictive 2826MB alloy. The magnetoelastic hysteresis of the obtained characteristics is compared, as well as the influence of the biasing H field and supply current variations. Based on the results, 2705M alloy with near-zero negative magnetostriction is proposed as best suited for a SAMR-based, magnetoelastic force sensor.
本文给出了对软磁非晶带材中SAMR(小角度磁化旋转)信号的拉伸应力依赖性的研究结果。市售的具有负磁致伸缩性的2705M、2714A和6030D非晶带材的典型结果显示出显著的应力依赖性,这与具有正磁致伸缩性的2826MB合金形成对比。文中比较了所获得特性的磁弹性滞后,以及偏置磁场和供电电流变化的影响。基于这些结果,提出具有接近零负磁致伸缩性的2705M合金最适合用于基于SAMR的磁弹性力传感器。
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