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Defective fluorite type high-entropy cerate ceramic with infrared radiation performance
The invention relates to a defective fluorite type high-entropy cerate ceramic with infrared radiation performance, the crystal structure of the high-entropy cerate ceramic is a defective fluorite type, the chemical formula of the high-entropy cerate ceramic is A2Ce2O7, the A site is at least five elements of La, Pr, Gd, Sr, Ca, Cu, Ni, Co and Mn, and the content of each element is 14-20%; the infrared emissivity of the high-entropy cerate ceramic in the wave band of 0.78-2.5 microns is larger than 0.90, and the infrared emissivity of the high-entropy cerate ceramic in the wave band of 2.5-16 microns is larger than 0.92. The material has excellent infrared radiation performance and high-temperature thermal stability, and has potential application prospects in the field of high-temperature thermal radiation, including aerospace vehicles, large-scale energy equipment, industrial kilns, power station boilers and the like.
本发明涉及一种具有红外辐射性能的缺陷萤石型高熵铈酸盐陶瓷,该高熵铈酸盐陶瓷的晶体结构为缺陷萤石型,其化学式为A2Ce2O7,其中A位为La、Pr、Gd、Sr、Ca、Cu、Ni、Co、Mn中的至少五种元素,且各元素的含量介于14~20%之间;且高熵铈酸盐陶瓷在0.78~2.5μm波段的红外发射率>0.90,2.5~16μm波段的红外发射率>0.92。本发明具有优异的红外辐射性能以及高温热稳定性,在高温热辐射领域,包括航空航天器、大型能源设备、工业窑炉、电站锅炉等方面具有潜在的应用前景。
Defective fluorite type high-entropy cerate ceramic with infrared radiation performance
The invention relates to a defective fluorite type high-entropy cerate ceramic with infrared radiation performance, the crystal structure of the high-entropy cerate ceramic is a defective fluorite type, the chemical formula of the high-entropy cerate ceramic is A2Ce2O7, the A site is at least five elements of La, Pr, Gd, Sr, Ca, Cu, Ni, Co and Mn, and the content of each element is 14-20%; the infrared emissivity of the high-entropy cerate ceramic in the wave band of 0.78-2.5 microns is larger than 0.90, and the infrared emissivity of the high-entropy cerate ceramic in the wave band of 2.5-16 microns is larger than 0.92. The material has excellent infrared radiation performance and high-temperature thermal stability, and has potential application prospects in the field of high-temperature thermal radiation, including aerospace vehicles, large-scale energy equipment, industrial kilns, power station boilers and the like.
本发明涉及一种具有红外辐射性能的缺陷萤石型高熵铈酸盐陶瓷,该高熵铈酸盐陶瓷的晶体结构为缺陷萤石型,其化学式为A2Ce2O7,其中A位为La、Pr、Gd、Sr、Ca、Cu、Ni、Co、Mn中的至少五种元素,且各元素的含量介于14~20%之间;且高熵铈酸盐陶瓷在0.78~2.5μm波段的红外发射率>0.90,2.5~16μm波段的红外发射率>0.92。本发明具有优异的红外辐射性能以及高温热稳定性,在高温热辐射领域,包括航空航天器、大型能源设备、工业窑炉、电站锅炉等方面具有潜在的应用前景。
Defective fluorite type high-entropy cerate ceramic with infrared radiation performance
一种具有红外辐射性能的缺陷萤石型高熵铈酸盐陶瓷
GAO XIANGHU (Autor:in) / LIU BAOHUA (Autor:in) / LIU WEIMIN (Autor:in) / LIU GANG (Autor:in) / XIN GUANGYANG (Autor:in) / HE CHENGYU (Autor:in) / LU ZHONGWEI (Autor:in)
17.05.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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