NASA NTRS · 19890000464
High-Temperature Strain-And-Temperature Gauge
Abstract
Two-element gauge used alternately in two different bridge circuits to measure both temperature and strain. Three-lead strain-and-temperature gauge developed for use at temperatures up to 750 degree F (390 degree C) on fiber-reinforced carbon/carbon composite material having coefficient of thermal expansion of 0.8 ppm/degree F. Unlike most temperature-compensated gauges, gauge gives accurate results even during rapid heating and cooling cycles. Similar gauges produced for materials with different coefficients of thermal expansion.
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Wnuk, S. P., Lanius, S. J.. 1989-09-01. High-Temperature Strain-And-Temperature Gauge. https://ntrs.nasa.gov/citations/19890000464
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