Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
High-entropy rare earth silicate ceramic nano-powder as well as preparation method and application thereof
The invention discloses high-entropy rare earth silicate ceramic nano powder as well as a preparation method and application thereof. The preparation method of the high-entropy rare earth silicate ceramic nano-powder comprises the following steps: 1) dissolving rare earth oxide powder in an acid solution to prepare a rare earth salt solution; 2) mixing the rare earth salt solution and the sodium silicate solution, adding ammonia water for chemical coprecipitation, standing and aging, and drying the precipitate to obtain precursor powder; and (3) calcining the precursor powder under the condition that the temperature is 1100-1200 DEG C. The high-entropy rare earth silicate ceramic nano-powder has the excellent characteristics of small particle size, uniform element distribution, large component space, no impurity phase and the like, and the preparation method has the advantages of low synthesis temperature, 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 wide application prospects. And the method has a very wide application prospect.
本发明公开了一种高熵稀土硅酸盐陶瓷纳米粉体及其制备方法和应用。本发明的高熵稀土硅酸盐陶瓷纳米粉体的制备方法包括以下步骤：1)将稀土氧化物粉体溶解在酸溶液中制成稀土盐溶液；2)将稀土盐溶液和硅酸钠溶液混合，再加入氨水进行化学共沉淀，再进行静置陈化，再取沉淀物进行干燥，得到前驱体粉末；3)将前驱体粉末置于温度为1100℃～1200℃的条件下进行煅烧。本发明的高熵稀土硅酸盐陶瓷纳米粉体具有粒径细小、元素分布均匀、组分空间大、不含杂质相等优异特性，且其制备方法具有合成温度低、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热端部件上，具有十分广阔的应用前景。
High-entropy rare earth silicate ceramic nano-powder as well as preparation method and application thereof
The invention discloses high-entropy rare earth silicate ceramic nano powder as well as a preparation method and application thereof. The preparation method of the high-entropy rare earth silicate ceramic nano-powder comprises the following steps: 1) dissolving rare earth oxide powder in an acid solution to prepare a rare earth salt solution; 2) mixing the rare earth salt solution and the sodium silicate solution, adding ammonia water for chemical coprecipitation, standing and aging, and drying the precipitate to obtain precursor powder; and (3) calcining the precursor powder under the condition that the temperature is 1100-1200 DEG C. The high-entropy rare earth silicate ceramic nano-powder has the excellent characteristics of small particle size, uniform element distribution, large component space, no impurity phase and the like, and the preparation method has the advantages of low synthesis temperature, 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 wide application prospects. And the method has a very wide application prospect.
本发明公开了一种高熵稀土硅酸盐陶瓷纳米粉体及其制备方法和应用。本发明的高熵稀土硅酸盐陶瓷纳米粉体的制备方法包括以下步骤：1)将稀土氧化物粉体溶解在酸溶液中制成稀土盐溶液；2)将稀土盐溶液和硅酸钠溶液混合，再加入氨水进行化学共沉淀，再进行静置陈化，再取沉淀物进行干燥，得到前驱体粉末；3)将前驱体粉末置于温度为1100℃～1200℃的条件下进行煅烧。本发明的高熵稀土硅酸盐陶瓷纳米粉体具有粒径细小、元素分布均匀、组分空间大、不含杂质相等优异特性，且其制备方法具有合成温度低、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热端部件上，具有十分广阔的应用前景。
High-entropy rare earth silicate ceramic nano-powder as well as preparation method and application thereof
一种高熵稀土硅酸盐陶瓷纳米粉体及其制备方法和应用
CHU YANHUI (Autor:in) / WEI PENG (Autor:in) / ZHAO SHIXIN (Autor:in) / QIN YEXIA (Autor:in) / XIE PINGBO (Autor:in)
02.02.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
| Europäisches Patentamt | 2024
| Europäisches Patentamt | 2023
Preparation method of high-entropy rare earth silicate ceramic powder and block and ceramic powder
| Europäisches Patentamt | 2024
High-entropy rare earth silicate ceramic coating material and preparation method thereof
| Europäisches Patentamt | 2024