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Sensors 2016, 16(11), 1905;

Ultrasonic Al2O3 Ceramic Thermometry in High-Temperature Oxidation Environment

Science and Technology on Electronic Test & Measurement Laboratory, North University of China, Taiyuan 030051, China
North Automatic Control Technique Research Institute, Taiyuan 030006, China
Author to whom correspondence should be addressed.
Academic Editor: Vittorio M. N. Passaro
Received: 23 September 2016 / Revised: 27 October 2016 / Accepted: 7 November 2016 / Published: 11 November 2016
(This article belongs to the Section Physical Sensors)
Full-Text   |   PDF [4887 KB, uploaded 11 November 2016]   |  


In this study, an ultrasonic temperature measurement system was designed with Al2O3 high-temperature ceramic as an acoustic waveguide sensor and preliminarily tested in a high-temperature oxidation environment. The test results indicated that the system can indeed work stably in high-temperature environments. The relationship between the temperature and delay time of 26 °C–1600 °C ceramic materials was also determined in order to fully elucidate the high-temperature oxidation of the proposed waveguide sensor and to lay a foundation for the further application of this system in temperatures as high as 2000 °C. View Full-Text
Keywords: ultrasonic thermometer; high-temperature oxidation; delay time; ultrasonic wavelets ultrasonic thermometer; high-temperature oxidation; delay time; ultrasonic wavelets

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Wei, Y.; Gao, Y.; Xiao, Z.; Wang, G.; Tian, M.; Liang, H. Ultrasonic Al2O3 Ceramic Thermometry in High-Temperature Oxidation Environment. Sensors 2016, 16, 1905.

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