Temperature-sensing performance of polymer-derived SiAlCN ceramics up to 1000 °C
Pengfei Shao (Zhengzhou University)
Chao Ma (Zhengzhou University, TU Delft - RST/Applied Radiation & Isotopes)
Daoyang Han (Zhengzhou University)
Kun Liu (Zhengzhou University)
Mingliang Li (Zhengzhou University)
Yi Liang (Zhengzhou University)
Meng Yao (Zhengzhou University)
Hailong Wang (Zhengzhou University)
Rui Zhang (Zhengzhou University, Luoyang Institute of Science and Technology, Henan)
Gang Shao (Zhengzhou University)
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Abstract
Temperature sensors that can operate in high-temperature and harsh environments are highly desired. However, this is a great challenge for sensing materials to operate under extreme working conditions because of oxidation and/or corrosion at high temperature. In this study, polymer-derived SiAlCN ceramics were prepared as sensing materials to overcome the abovementioned issues. A SiAlCN ceramic temperature sensor was designed and fabricated, and it performed excellent temperature-sensing properties with high accuracy, high stability, and high repeatability up to 1000 °C. Compared with traditional thermocouples, the SiAlCN ceramic sensor exhibited a faster response rate (a shorter response time). These results showed that SiAlCN ceramic is a promising sensor material for temperature measurement in high-temperature and harsh environments.