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High-entropy MAX phase material and preparation method and application thereof
The invention discloses a high-entropy MAX phase material and a preparation method and application thereof.The preparation method comprises the steps that vanadium powder, niobium powder, zirconium powder, tantalum powder, aluminum powder and graphite powder are placed in a mortar, absolute ethyl alcohol is added for grinding, mixing and vacuum drying, then the mixture is transferred into an aluminum oxide container, sintering is conducted in the inert atmosphere, natural cooling is conducted to the room temperature in the inert atmosphere, and (V0. 25Nb0. 25Zr0. 25Ta0. 25) 2AlC is obtained; the preparation method comprises the following steps: grinding and mixing (V0. 25Nb0. 25Zr0. 25Ta0. 25) 2AlC, ferrous chloride and potassium chloride, transferring mixed powder into an aluminum oxide container, sintering in an inert atmosphere, naturally cooling to room temperature in the inert atmosphere, grinding, adding into deionized water for soaking, washing with water, and drying to obtain the high-entropy MAX phase material (V0. 25Nb0. 25Zr0. 25Ta0. 25) 2FeC. The magnetic high-entropy MAX phase material (V0. 25Nb0. 25Zr0. 25Ta0. 25) 2FeC prepared by the preparation method disclosed by the invention has very excellent electromagnetic wave absorption capability and corrosion resistance, shows electromagnetic wave absorption characteristics of thinness, lightness, width and strength at room temperature, and has a good application prospect.
本发明公开了一种高熵MAX相材料及其制备方法和应用，包括：将钒粉、铌粉、锆粉、钽粉、铝粉和石墨粉放置于研钵中，加入无水乙醇进行研磨混合，真空干燥，然后转移到氧化铝容器中，在惰性气氛下烧结，在惰性气氛下自然冷却至室温，得到(V0.25Nb0.25Zr0.25Ta0.25)2AlC；将(V0.25Nb0.25Zr0.25Ta0.25)2AlC、氯化亚铁和氯化钾研磨混合，将混合粉末转移到氧化铝容器中，在惰性气氛下烧结，然后在惰性气氛下自然冷却至室温，研磨，加入去离子水中浸泡，经水洗、干燥，得到高熵MAX相材料(V0.25Nb0.25Zr0.25Ta0.25)2FeC。本发明制备得到的带有磁性的高熵MAX相材料(V0.25Nb0.25Zr0.25Ta0.25)2FeC具有非常优异的电磁波吸收能力和耐腐蚀能力，在室温下表现出“薄、轻、宽、强”的电磁波吸收特性，具有良好的应用前景。
High-entropy MAX phase material and preparation method and application thereof
The invention discloses a high-entropy MAX phase material and a preparation method and application thereof.The preparation method comprises the steps that vanadium powder, niobium powder, zirconium powder, tantalum powder, aluminum powder and graphite powder are placed in a mortar, absolute ethyl alcohol is added for grinding, mixing and vacuum drying, then the mixture is transferred into an aluminum oxide container, sintering is conducted in the inert atmosphere, natural cooling is conducted to the room temperature in the inert atmosphere, and (V0. 25Nb0. 25Zr0. 25Ta0. 25) 2AlC is obtained; the preparation method comprises the following steps: grinding and mixing (V0. 25Nb0. 25Zr0. 25Ta0. 25) 2AlC, ferrous chloride and potassium chloride, transferring mixed powder into an aluminum oxide container, sintering in an inert atmosphere, naturally cooling to room temperature in the inert atmosphere, grinding, adding into deionized water for soaking, washing with water, and drying to obtain the high-entropy MAX phase material (V0. 25Nb0. 25Zr0. 25Ta0. 25) 2FeC. The magnetic high-entropy MAX phase material (V0. 25Nb0. 25Zr0. 25Ta0. 25) 2FeC prepared by the preparation method disclosed by the invention has very excellent electromagnetic wave absorption capability and corrosion resistance, shows electromagnetic wave absorption characteristics of thinness, lightness, width and strength at room temperature, and has a good application prospect.
本发明公开了一种高熵MAX相材料及其制备方法和应用，包括：将钒粉、铌粉、锆粉、钽粉、铝粉和石墨粉放置于研钵中，加入无水乙醇进行研磨混合，真空干燥，然后转移到氧化铝容器中，在惰性气氛下烧结，在惰性气氛下自然冷却至室温，得到(V0.25Nb0.25Zr0.25Ta0.25)2AlC；将(V0.25Nb0.25Zr0.25Ta0.25)2AlC、氯化亚铁和氯化钾研磨混合，将混合粉末转移到氧化铝容器中，在惰性气氛下烧结，然后在惰性气氛下自然冷却至室温，研磨，加入去离子水中浸泡，经水洗、干燥，得到高熵MAX相材料(V0.25Nb0.25Zr0.25Ta0.25)2FeC。本发明制备得到的带有磁性的高熵MAX相材料(V0.25Nb0.25Zr0.25Ta0.25)2FeC具有非常优异的电磁波吸收能力和耐腐蚀能力，在室温下表现出“薄、轻、宽、强”的电磁波吸收特性，具有良好的应用前景。
High-entropy MAX phase material and preparation method and application thereof
一种高熵MAX相材料及其制备方法和应用
CHEN QINGYUN (author) / HAN JIAXIN (author) / WANG JINZHI (author) / CHENG YONG (author) / LIU CHENCHENG (author) / CHEN QIJIE (author) / ZENG SHUYI (author)
2024-07-05
Patent
Electronic Resource
Chinese
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