Temperature calibration of a temperature/strain transducer based on two strain gauges

P. Cappa, K. McConnell, L. Zachary

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

The operation of a temperature/strain transducer, called `duplex gauge', based on two electrical resistance strain gauges, that are temperature compensated for use on materials with different coefficients of linear expansion, was briefly recalled. Three steel specimens were equipped with `duplex gauges' and were subjected to temperature variations and no external loads were applied. The chosen experimental setup (i) to measure the outputs of the gauge temperature compensated for steel and titanium silicate and (ii) to impose known temperature, assured good accuracy and precision in evaluation of the temperature calibration curve. The obtained results showed that the strain differences could be considered, at least for the experimental arrangement examined, a linear function of temperature over the range of 20 to over 140 °C. The prepared calibration chart, that allows the correction of temperature induced apparent strain, will be used in future research when generic temperature and strain fields are applied to specimens.

Original languageEnglish
Pages (from-to)135-138
Number of pages4
JournalStrain
Volume29
Issue number4
Publication statusPublished - Nov 1993

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Strain gages
Transducers
Calibration
Temperature
Gages
Acoustic impedance
Steel
Silicates
Titanium

ASJC Scopus subject areas

  • Mechanics of Materials

Cite this

Cappa, P., McConnell, K., & Zachary, L. (1993). Temperature calibration of a temperature/strain transducer based on two strain gauges. Strain, 29(4), 135-138.

Temperature calibration of a temperature/strain transducer based on two strain gauges. / Cappa, P.; McConnell, K.; Zachary, L.

In: Strain, Vol. 29, No. 4, 11.1993, p. 135-138.

Research output: Contribution to journalArticle

Cappa, P, McConnell, K & Zachary, L 1993, 'Temperature calibration of a temperature/strain transducer based on two strain gauges', Strain, vol. 29, no. 4, pp. 135-138.
Cappa, P. ; McConnell, K. ; Zachary, L. / Temperature calibration of a temperature/strain transducer based on two strain gauges. In: Strain. 1993 ; Vol. 29, No. 4. pp. 135-138.
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