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High-entropy rare earth silicate nanorod toughened high-entropy rare earth aluminate and preparation method thereof
The invention provides a preparation method of high-entropy rare earth silicate nanorod toughened high-entropy rare earth aluminate, and belongs to the technical field of preparation of thermal barrier coating materials, and the preparation method specifically comprises the following steps: synthesizing RE2O3 and Al2O3 into high-entropy rare earth aluminate powder through a solid-phase reaction method; and mixing the high-entropy rare earth aluminate powder and silicon dioxide according to a certain proportion to form composite powder, tabletting the composite powder, and carrying out pressureless sintering to form the high-entropy rare earth silicate nanorod toughened high-entropy rare earth aluminate. The high-entropy rare earth silicate nanorod toughened high-entropy rare earth aluminate prepared by the preparation method disclosed by the invention has good high-temperature stability and fracture toughness.
本发明提供了一种高熵稀土硅酸盐纳米棒增韧高熵稀土铝酸盐的制备方法，属于热障涂层材料的制备技术领域，具体的步骤包括：通过固相反应法将RE2O3和Al2O3合成高熵稀土铝酸盐粉体，然后将高熵稀土铝酸盐粉体和二氧化硅按一定比例进行混合，形成复合粉体，再将复合粉体压片后进行无压烧结形成高熵稀土硅酸盐纳米棒增韧高熵稀土铝酸盐。通过本发明制备的高熵稀土硅酸盐纳米棒增韧高熵稀土铝酸盐具有良好的高温稳定性和断裂韧性。
High-entropy rare earth silicate nanorod toughened high-entropy rare earth aluminate and preparation method thereof
The invention provides a preparation method of high-entropy rare earth silicate nanorod toughened high-entropy rare earth aluminate, and belongs to the technical field of preparation of thermal barrier coating materials, and the preparation method specifically comprises the following steps: synthesizing RE2O3 and Al2O3 into high-entropy rare earth aluminate powder through a solid-phase reaction method; and mixing the high-entropy rare earth aluminate powder and silicon dioxide according to a certain proportion to form composite powder, tabletting the composite powder, and carrying out pressureless sintering to form the high-entropy rare earth silicate nanorod toughened high-entropy rare earth aluminate. The high-entropy rare earth silicate nanorod toughened high-entropy rare earth aluminate prepared by the preparation method disclosed by the invention has good high-temperature stability and fracture toughness.
本发明提供了一种高熵稀土硅酸盐纳米棒增韧高熵稀土铝酸盐的制备方法，属于热障涂层材料的制备技术领域，具体的步骤包括：通过固相反应法将RE2O3和Al2O3合成高熵稀土铝酸盐粉体，然后将高熵稀土铝酸盐粉体和二氧化硅按一定比例进行混合，形成复合粉体，再将复合粉体压片后进行无压烧结形成高熵稀土硅酸盐纳米棒增韧高熵稀土铝酸盐。通过本发明制备的高熵稀土硅酸盐纳米棒增韧高熵稀土铝酸盐具有良好的高温稳定性和断裂韧性。
High-entropy rare earth silicate nanorod toughened high-entropy rare earth aluminate and preparation method thereof
高熵稀土硅酸盐纳米棒增韧高熵稀土铝酸盐及其制备方法
WANG CHAO (author) / LI LIUYUAN (author) / ZHAO XIUYI (author) / PAN CHUNYU (author) / YUE WANQIANG (author) / WU YUSHENG (author) / WANG ZHANJIE (author)
2024-01-09
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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