A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Ceramic material and ceramic coating with low thermal conductivity and high infrared emissivity, and preparation methods thereof
The invention provides a ceramic material and ceramic coating with low thermal conductivity and high infrared emissivity, and preparation methods thereof, and belongs to the technical field of preparation of ceramic coating materials. The ceramic material is synthesized from HfO2 and Sm2O3 through a high-temperature solid-phase reaction, and has the characteristics of low thermal conductivity and high infrared emissivity. The ceramic coating is prepared through a plasma spraying technology, the heat conductivity of the ceramic coating is 0.60-0.75 W/(m.K) in the range from the room temperature to 1000 DEG C, and the emissivity of the ceramic coating in the middle-infrared band of the 8-14 micron band in the range from the room temperature to 600 DEG C is 0.90-0.95.
本发明提供一种兼具低热导率和高红外发射率的陶瓷材料、陶瓷涂层及其制备方法，属于陶瓷涂层材料制备技术领域。该陶瓷材料由HfO2和Sm2O3通过高温固相反应合成，同时具有低热导率和高红外发射率的特点。本发明的陶瓷涂层通过等离子喷涂技术制备，在室温至1000℃范围，其热导率为0.60~0.75 W/(m·K)，在室温至600℃范围内在8~14μm波段的中红外波段的发射率为0.90~0.95。
Ceramic material and ceramic coating with low thermal conductivity and high infrared emissivity, and preparation methods thereof
The invention provides a ceramic material and ceramic coating with low thermal conductivity and high infrared emissivity, and preparation methods thereof, and belongs to the technical field of preparation of ceramic coating materials. The ceramic material is synthesized from HfO2 and Sm2O3 through a high-temperature solid-phase reaction, and has the characteristics of low thermal conductivity and high infrared emissivity. The ceramic coating is prepared through a plasma spraying technology, the heat conductivity of the ceramic coating is 0.60-0.75 W/(m.K) in the range from the room temperature to 1000 DEG C, and the emissivity of the ceramic coating in the middle-infrared band of the 8-14 micron band in the range from the room temperature to 600 DEG C is 0.90-0.95.
本发明提供一种兼具低热导率和高红外发射率的陶瓷材料、陶瓷涂层及其制备方法，属于陶瓷涂层材料制备技术领域。该陶瓷材料由HfO2和Sm2O3通过高温固相反应合成，同时具有低热导率和高红外发射率的特点。本发明的陶瓷涂层通过等离子喷涂技术制备，在室温至1000℃范围，其热导率为0.60~0.75 W/(m·K)，在室温至600℃范围内在8~14μm波段的中红外波段的发射率为0.90~0.95。
Ceramic material and ceramic coating with low thermal conductivity and high infrared emissivity, and preparation methods thereof
一种兼具低热导率和高红外发射率的陶瓷材料、陶瓷涂层及其制备方法
DONG SHUJUAN (author) / HUANG YAN (author) / CAO XUEQIANG (author) / JIANG JIANING (author) / DENG LONGHUI (author) / ZHOU XIN (author)
2021-04-30
Patent
Electronic Resource
Chinese
High-emissivity infrared energy-saving composite ceramic material and preparation method thereof
| European Patent Office | 2015
High emissivity ceramic composite material for non-thermal far infrared radiation
| European Patent Office | 2024
| European Patent Office | 2024
High-emissivity and high-entropy ceramic powder material and coating preparation method
| European Patent Office | 2021
Preparation method and application of high-temperature high-infrared-emissivity ceramic material
| European Patent Office | 2024