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High-entropy rare earth-based hexaboride ceramic material as well as preparation method and application thereof
The invention discloses a high-entropy rare earth based hexaboride ceramic material and a preparation method and application thereof, the high-entropy rare earth based hexaboride ceramic material has the following chemical general formula: RE (AE) xB6, RE is selected from at least three of rare earth elements La, Nd, Sm, Eu, Gd, Dy, Ho, Yb, Tm, Lu, Sc and Y, AE is selected from one of alkaline earth elements Be, Mg, Ca, Sr, Ba and Ra, and x is 0.2-0.5. The high-entropy rare earth-based hexaboride ceramic powder is small in crystal grain and uniform in distribution, and has good optical performance, namely high solar energy absorptivity, high infrared emissivity and good high-temperature thermal stability. Meanwhile, the preparation process of the high-entropy rare earth-based hexaboride ceramic material is simple in process flow, controllable in operation condition and easy to industrially popularize and apply.
本发明公开一种高熵稀土基六硼化物陶瓷材料及其制备方法和应用，所述高熵稀土基六硼化物陶瓷材料具有以下化学通式：RE(AE)xB6，其中：RE选自稀土元素La，Nd，Sm，Eu，Gd，Dy，Ho，Yb，Tm，Lu，Sc和Y中的至少三种，AE选自碱土元素Be、Mg、Ca、Sr、Ba和Ra中的一种，x为0.2～0.5。本发明高熵稀土基六硼化物陶瓷粉体晶粒小且分布均匀，具有良好的光学性能，即高的太阳能吸收率和高红外发射率以及良好的高温热稳定性。同时本发明高熵稀土基六硼化物陶瓷材料的制备工艺流程简单操作条件可控，易于产业化推广应用。
High-entropy rare earth-based hexaboride ceramic material as well as preparation method and application thereof
The invention discloses a high-entropy rare earth based hexaboride ceramic material and a preparation method and application thereof, the high-entropy rare earth based hexaboride ceramic material has the following chemical general formula: RE (AE) xB6, RE is selected from at least three of rare earth elements La, Nd, Sm, Eu, Gd, Dy, Ho, Yb, Tm, Lu, Sc and Y, AE is selected from one of alkaline earth elements Be, Mg, Ca, Sr, Ba and Ra, and x is 0.2-0.5. The high-entropy rare earth-based hexaboride ceramic powder is small in crystal grain and uniform in distribution, and has good optical performance, namely high solar energy absorptivity, high infrared emissivity and good high-temperature thermal stability. Meanwhile, the preparation process of the high-entropy rare earth-based hexaboride ceramic material is simple in process flow, controllable in operation condition and easy to industrially popularize and apply.
本发明公开一种高熵稀土基六硼化物陶瓷材料及其制备方法和应用，所述高熵稀土基六硼化物陶瓷材料具有以下化学通式：RE(AE)xB6，其中：RE选自稀土元素La，Nd，Sm，Eu，Gd，Dy，Ho，Yb，Tm，Lu，Sc和Y中的至少三种，AE选自碱土元素Be、Mg、Ca、Sr、Ba和Ra中的一种，x为0.2～0.5。本发明高熵稀土基六硼化物陶瓷粉体晶粒小且分布均匀，具有良好的光学性能，即高的太阳能吸收率和高红外发射率以及良好的高温热稳定性。同时本发明高熵稀土基六硼化物陶瓷材料的制备工艺流程简单操作条件可控，易于产业化推广应用。
High-entropy rare earth-based hexaboride ceramic material as well as preparation method and application thereof
一种高熵稀土基六硼化物陶瓷材料及其制备方法和应用
WANG HONGYE (author) / YANG FAN (author) / CHEN HENG (author) / XUE LIYAN (author)
2024-12-03
Patent
Electronic Resource
Chinese
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