Dynamic/static displacement sensor based on magnetoelectric composites

Y Yang, B Yang, M Niu - Applied Physics Letters, 2018 - pubs.aip.org
This study presents a dynamic/static displacement sensor based on both end fixed Terfenol-
D/PZT (lead zirconate titanate) magnetoelectric composites. Owing to the fixed boundary
condition, the magnetostriction of Terfenol-D under the magnetic field is limited and the
stress acts on PZT through mechanical coupling, and finally, an induced voltage is
generated due to the piezoelectric effect in PZT. The magnetic field applied on the
magnetoelectric composites varies with the displacement of the permanent magnet which …
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