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High-entropy negative-temperature-coefficient thermal sensitive ceramic with perovskite structure and preparation method of high-entropy negative-temperature-coefficient thermal sensitive ceramic
The invention discloses high-entropy negative temperature coefficient thermal sensitive ceramic with a perovskite structure and a preparation method of the high-entropy negative temperature coefficient thermal sensitive ceramic. The high-entropy negative temperature coefficient thermal sensitive ceramic is formed by mixing and firing lanthanum trioxide, neodymium oxide, samarium oxide, gadolinium oxide, RE oxide and manganese dioxide, and the RE oxide is yttrium oxide, cerium oxide, dysprosium oxide, holmium oxide, ytterbium oxide or scandium oxide. The material constant B-75/150 DEG C of the high-entropy negative temperature coefficient thermal sensitive ceramic is 1960-2654K, the resistivity rho0 DEG C of the high-entropy negative temperature coefficient thermal sensitive ceramic is 2122-6807 omega.cm, and the applicable temperature range of the high-entropy negative temperature coefficient thermal sensitive ceramic is-75-150 DEG C.
本发明公开了一种钙钛矿结构高熵负温度系数热敏陶瓷及其制备方法。高熵负温度系数热敏陶瓷由三氧化二镧、三氧化二钕、三氧化二钐、三氧化二钆、RE的氧化物和二氧化锰混合烧制而成，其中，RE的氧化物为三氧化二钇、二氧化铈、三氧化二镝、三氧化二钬、三氧化二镱或三氧化二钪。高熵负温度系数热敏陶瓷的材料常数B‑75/150℃＝1960K～2654K，电阻率ρ0℃＝2122Ω·cm～6807Ω·cm，适用温区范围为‑75℃～150℃。
High-entropy negative-temperature-coefficient thermal sensitive ceramic with perovskite structure and preparation method of high-entropy negative-temperature-coefficient thermal sensitive ceramic
The invention discloses high-entropy negative temperature coefficient thermal sensitive ceramic with a perovskite structure and a preparation method of the high-entropy negative temperature coefficient thermal sensitive ceramic. The high-entropy negative temperature coefficient thermal sensitive ceramic is formed by mixing and firing lanthanum trioxide, neodymium oxide, samarium oxide, gadolinium oxide, RE oxide and manganese dioxide, and the RE oxide is yttrium oxide, cerium oxide, dysprosium oxide, holmium oxide, ytterbium oxide or scandium oxide. The material constant B-75/150 DEG C of the high-entropy negative temperature coefficient thermal sensitive ceramic is 1960-2654K, the resistivity rho0 DEG C of the high-entropy negative temperature coefficient thermal sensitive ceramic is 2122-6807 omega.cm, and the applicable temperature range of the high-entropy negative temperature coefficient thermal sensitive ceramic is-75-150 DEG C.
本发明公开了一种钙钛矿结构高熵负温度系数热敏陶瓷及其制备方法。高熵负温度系数热敏陶瓷由三氧化二镧、三氧化二钕、三氧化二钐、三氧化二钆、RE的氧化物和二氧化锰混合烧制而成，其中，RE的氧化物为三氧化二钇、二氧化铈、三氧化二镝、三氧化二钬、三氧化二镱或三氧化二钪。高熵负温度系数热敏陶瓷的材料常数B‑75/150℃＝1960K～2654K，电阻率ρ0℃＝2122Ω·cm～6807Ω·cm，适用温区范围为‑75℃～150℃。
High-entropy negative-temperature-coefficient thermal sensitive ceramic with perovskite structure and preparation method of high-entropy negative-temperature-coefficient thermal sensitive ceramic
一种钙钛矿结构高熵负温度系数热敏陶瓷及其制备方法
ZHAO QING (author) / FENG SHUANGJI (author) / ZHAO YAN (author) / KONG WENWEN (author) / CHANG AIMIN (author)
2024-02-27
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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