4.7 Article

A remote query magnetostrictive viscosity sensor

Journal

SENSORS AND ACTUATORS A-PHYSICAL
Volume 80, Issue 1, Pages 8-14

Publisher

ELSEVIER SCIENCE SA
DOI: 10.1016/S0924-4247(99)00288-5

Keywords

magnetoelastic; magnetostriction; viscosity sensor; TSM; remote query

Funding

  1. NATIONAL INSTITUTE OF GENERAL MEDICAL SCIENCES [R21GM057240] Funding Source: NIH RePORTER
  2. NIGMS NIH HHS [1-R21-GM057240-01] Funding Source: Medline

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Magnetically soft, magnetostrictive metallic glass ribbons are used as in-situ remote query viscosity sensors. When immersed in a liquid, changes in the resonant frequency of the ribbon-like sensors are shown to correlate with the square root of the liquid viscosity and density product. An elastic wave model is presented that describes the sensor response as a function of the frictional forces acting upon the sensor surface. (C) 2000 Elsevier Science S.A. All rights reserved.

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