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Development of metallic digital strain gauges

Record type: Article

A joint Brunel-Southampton Universities’ research team has developed digital strain gauges based on a metallic triple-beam resonator structure with thick-film piezoelectric sensor elements. The resonator, an oscillating structure vibrating at resonance, is designed such that its resonant frequency is a function of the measurand. The resonator substrate was fabricated by a double-sided photochemical etching technique and the thick-film piezoelectric elements were deposited by a standard screen-printing process. The new metallic digital strain gauges can be used on stiff structures, have high overload capacities, low power consumption, frequency output for digital processing, and offer prospects for wireless-batteryless operation. The device can be easily mass-produced at low cost for use in a wide range of measuring systems, e.g. load cells, weighing machines, torque transducers and pressure sensors.

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Citation

Yan, T, Jones, B E, Rakowski, R T, Tudor, M J, Beeby, S P and White, N M (2004) Development of metallic digital strain gauges Measurement and Control, 37, (7), pp. 214-216.

More information

Published date: September 2004
Keywords: Strain gauges, resonators, thick-film PZT
Organisations: EEE

Identifiers

Local EPrints ID: 260478
URI: http://eprints.soton.ac.uk/id/eprint/260478
PURE UUID: 4875e0f0-0765-4f2e-a8ed-3f1aa8287524
ORCID for S P Beeby: ORCID iD orcid.org/0000-0002-0800-1759
ORCID for N M White: ORCID iD orcid.org/0000-0003-1532-6452

Catalogue record

Date deposited: 08 Feb 2005
Last modified: 18 Jul 2017 09:12

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Contributors

Author: T Yan
Author: B E Jones
Author: R T Rakowski
Author: M J Tudor
Author: S P Beeby ORCID iD
Author: N M White ORCID iD

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