Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
High-entropy ceramic material resistant to CMAS corrosion and preparation method and application thereof
The invention provides a high-entropy ceramic material resistant to CMAS corrosion, a preparation method and an application thereof, the high-entropy ceramic material comprises the following raw materials: at least three of samarium oxide, europium oxide, erbium oxide and lutetium oxide, yttrium oxide and ytterbium oxide, and the amounts of substances of the raw materials are the same. The preparation method comprises the following steps: optionally selecting at least three of samarium oxide, europium oxide, erbium oxide and lutetium oxide, and conducting mixing with yttrium oxide and ytterbium oxide to obtain uniformly mixed slurry; and drying the slurry to obtain mixture powder, and carrying out pressureless calcination on the dried powder to obtain the high-entropy ceramic powder material. Analysis shows that the high-entropy ceramic powder material has the characteristics of high purity and strong CMAS corrosion resistance, the preparation method is simple and suitable for industrial production, and the high-entropy ceramic powder material has excellent application prospect in the field of thermal barrier coating materials.
本发明提供了一种抗CMAS腐蚀的高熵陶瓷材料、制备方法及其应用，该高熵陶瓷材料的原料包括氧化钐、氧化铕、氧化铒和氧化镥中的至少三种，以及氧化钇和氧化镱，各原料的物质的量相同。制备方法包括：在氧化钐、氧化铕、氧化铒、氧化镥中任选至少三种，与氧化钇和氧化镱混合，得到混合均匀的料浆；将料浆干燥处理得到混合物粉末，将干燥后的粉末进行无压煅烧，得到高熵陶瓷粉体材料。经分析表明该高熵陶瓷粉体材料具有纯度高、抗CMAS腐蚀能力强的特点，制备方法简单，适于工业生产，在热障涂层材料领域有优异的应用前景。
High-entropy ceramic material resistant to CMAS corrosion and preparation method and application thereof
The invention provides a high-entropy ceramic material resistant to CMAS corrosion, a preparation method and an application thereof, the high-entropy ceramic material comprises the following raw materials: at least three of samarium oxide, europium oxide, erbium oxide and lutetium oxide, yttrium oxide and ytterbium oxide, and the amounts of substances of the raw materials are the same. The preparation method comprises the following steps: optionally selecting at least three of samarium oxide, europium oxide, erbium oxide and lutetium oxide, and conducting mixing with yttrium oxide and ytterbium oxide to obtain uniformly mixed slurry; and drying the slurry to obtain mixture powder, and carrying out pressureless calcination on the dried powder to obtain the high-entropy ceramic powder material. Analysis shows that the high-entropy ceramic powder material has the characteristics of high purity and strong CMAS corrosion resistance, the preparation method is simple and suitable for industrial production, and the high-entropy ceramic powder material has excellent application prospect in the field of thermal barrier coating materials.
本发明提供了一种抗CMAS腐蚀的高熵陶瓷材料、制备方法及其应用，该高熵陶瓷材料的原料包括氧化钐、氧化铕、氧化铒和氧化镥中的至少三种，以及氧化钇和氧化镱，各原料的物质的量相同。制备方法包括：在氧化钐、氧化铕、氧化铒、氧化镥中任选至少三种，与氧化钇和氧化镱混合，得到混合均匀的料浆；将料浆干燥处理得到混合物粉末，将干燥后的粉末进行无压煅烧，得到高熵陶瓷粉体材料。经分析表明该高熵陶瓷粉体材料具有纯度高、抗CMAS腐蚀能力强的特点，制备方法简单，适于工业生产，在热障涂层材料领域有优异的应用前景。
High-entropy ceramic material resistant to CMAS corrosion and preparation method and application thereof
一种抗CMAS腐蚀的高熵陶瓷材料、制备方法及其应用
XIANG HUIMIN (Autor:in) / SUN YANAN (Autor:in) / ZHOU YANCHUN (Autor:in) / DAI FUZHI (Autor:in) / CHEN HAIKUN (Autor:in)
09.02.2021
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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