Application of Fe83Ga17 line to magnetostrictive displacement sensors
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Abstract:
The range of magnetostrictive displacement sensors (MDS) is directly determined by the electromagnetic properties of the magnetostrictive line (ML). The small measuring range of domestic MDS is caused by the ML of Fe-Ni. In accordance with the problem,applying the ML of Fe83Ga17to MDS is proposed and the possibility is demonstrated from the point of electromagnetic properties. A magnetic field model based on the fourier analysis and electromagnetic theory is firstly built,which lays a foundation for the research on electromagnetic properties. And then,the distribution of the magnetic field simulated by MATLAB helpful for wiedemann effect is obtained. The feasibility of our scheme is demonstrated by the good effect of echo signal finally.
