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High-entropy rare earth silicate ceramic material resistant to high-temperature CMAS corrosion as well as preparation method and application of high-entropy rare earth silicate ceramic material
The invention discloses a high-entropy rare earth silicate ceramic material resistant to high-temperature CMAS corrosion as well as a preparation method and application of the high-entropy rare earth silicate ceramic material. The chemical formula of the components of the high-entropy rare earth silicate ceramic material resistant to high-temperature CMAS corrosion is (Ho < x > Er < x > Y < b < 0.5-x > Lu < 0.5-x >) < 2 > SiO < 5 >, and in the formula, x is equal to 0.05 to 0.15 or 0.35 to 0.45. The preparation method of the high-entropy rare earth silicate ceramic material resistant to high-temperature CMAS corrosion comprises the following steps: 1) preparing mixed powder slurry; 2) preparing high-entropy rare earth silicate ceramic powder; 3) preparing a green body; and 4) sintering the green body. The high-entropy rare earth silicate ceramic material has excellent high-temperature CMAS corrosion resistance, and the preparation method of the high-entropy rare earth silicate ceramic material has the advantages of simple equipment, simple and controllable process, low industrialization cost and the like, is suitable for being used on hot end parts of aerospace engines, and has very wide application prospects.
本发明公开了一种抗高温CMAS腐蚀的高熵稀土硅酸盐陶瓷材料及其制备方法和应用。本发明的抗高温CMAS腐蚀的高熵稀土硅酸盐陶瓷材料的组成成分的化学式为(HoxErxYb0.5‑xLu0.5‑x)2SiO5,式中,x=0.05~0.15或0.35~0.45。本发明的抗高温CMAS腐蚀的高熵稀土硅酸盐陶瓷材料的制备方法包括以下步骤:1)制备混合粉体浆料;2)制备高熵稀土硅酸盐陶瓷粉体;3)制备坯体;4)坯体的烧结。本发明的高熵稀土硅酸盐陶瓷材料具备极佳的抗高温CMAS腐蚀性能,且其制备方法具有设备简易、工艺简单可控、产业化成本低等优点,适合用在航空航天发动机的热端部件上,具有十分广阔的应用前景。
High-entropy rare earth silicate ceramic material resistant to high-temperature CMAS corrosion as well as preparation method and application of high-entropy rare earth silicate ceramic material
The invention discloses a high-entropy rare earth silicate ceramic material resistant to high-temperature CMAS corrosion as well as a preparation method and application of the high-entropy rare earth silicate ceramic material. The chemical formula of the components of the high-entropy rare earth silicate ceramic material resistant to high-temperature CMAS corrosion is (Ho < x > Er < x > Y < b < 0.5-x > Lu < 0.5-x >) < 2 > SiO < 5 >, and in the formula, x is equal to 0.05 to 0.15 or 0.35 to 0.45. The preparation method of the high-entropy rare earth silicate ceramic material resistant to high-temperature CMAS corrosion comprises the following steps: 1) preparing mixed powder slurry; 2) preparing high-entropy rare earth silicate ceramic powder; 3) preparing a green body; and 4) sintering the green body. The high-entropy rare earth silicate ceramic material has excellent high-temperature CMAS corrosion resistance, and the preparation method of the high-entropy rare earth silicate ceramic material has the advantages of simple equipment, simple and controllable process, low industrialization cost and the like, is suitable for being used on hot end parts of aerospace engines, and has very wide application prospects.
本发明公开了一种抗高温CMAS腐蚀的高熵稀土硅酸盐陶瓷材料及其制备方法和应用。本发明的抗高温CMAS腐蚀的高熵稀土硅酸盐陶瓷材料的组成成分的化学式为(HoxErxYb0.5‑xLu0.5‑x)2SiO5,式中,x=0.05~0.15或0.35~0.45。本发明的抗高温CMAS腐蚀的高熵稀土硅酸盐陶瓷材料的制备方法包括以下步骤:1)制备混合粉体浆料;2)制备高熵稀土硅酸盐陶瓷粉体;3)制备坯体;4)坯体的烧结。本发明的高熵稀土硅酸盐陶瓷材料具备极佳的抗高温CMAS腐蚀性能,且其制备方法具有设备简易、工艺简单可控、产业化成本低等优点,适合用在航空航天发动机的热端部件上,具有十分广阔的应用前景。
High-entropy rare earth silicate ceramic material resistant to high-temperature CMAS corrosion as well as preparation method and application of high-entropy rare earth silicate ceramic material
一种抗高温CMAS腐蚀的高熵稀土硅酸盐陶瓷材料及其制备方法和应用
CHU YANHUI (author) / WEI PENG (author) / BAI HAO (author) / ZHUANG LEI (author) / XIE PINGBO (author)
2024-11-12
Patent
Electronic Resource
Chinese
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