Differential Magnetoelastic Compressive Force Sensor Utilizing Two Amorphous Alloy Ring Cores

Abstract:

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Paper presents the results of investigation on functional characteristics of magnetoelastic compressive force sensor utilizing two Fe81Si4B15 amorphous alloy ring-shaped cores. Uniform distribution of stresses in one of two cores was achieved owing to special non-magnetic backings. Signal from sensing coils of cores was connected to differential amplifier, whereas sine wave voltage signal was applied to magnetizing circuit. High stress sensitivity of developed sensor was indicated together with expected reduction of temperature sensitivity of magnetoelastic sensor. These results confirm, that differential configuration of magnetoelastic sensor is suitable for practical application in sensors development.

Info:

Periodical:

Solid State Phenomena (Volume 154)

Edited by:

Marcin Leonowicz and Dariusz Oleszak

Pages:

23-27

DOI:

10.4028/www.scientific.net/SSP.154.23

Citation:

A. Bieńkowski et al., "Differential Magnetoelastic Compressive Force Sensor Utilizing Two Amorphous Alloy Ring Cores", Solid State Phenomena, Vol. 154, pp. 23-27, 2009

Online since:

April 2009

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Price:

$35.00

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