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Preparation method of high-performance silicon nitride powder
The invention relates to the technical field of preparation of silicon nitride powder, provides a preparation method of high-performance silicon nitride powder, and solves the problem that silicon nitride powder which is high in alpha-phase content and does not contain free Si is difficult to synthesize in the prior art. The preparation process comprises the following steps: 1) selecting raw materials; 2) adding a diluent; (3) carrying out first nitridation reaction; 4) carrying out a second nitridation reaction; and 5) pickling and purifying.
本发明涉及氮化硅粉末的制备技术领域，提供一种高性能氮化硅粉末的制备方法，解决现有技术难以合成高α相含量且不含游离Si的氮化硅粉体的问题；制备过程包括:1)原料的选择；2)添加稀释剂；3)第一次氮化反应；4)第二次氮化反应；5)酸洗提纯。
Preparation method of high-performance silicon nitride powder
The invention relates to the technical field of preparation of silicon nitride powder, provides a preparation method of high-performance silicon nitride powder, and solves the problem that silicon nitride powder which is high in alpha-phase content and does not contain free Si is difficult to synthesize in the prior art. The preparation process comprises the following steps: 1) selecting raw materials; 2) adding a diluent; (3) carrying out first nitridation reaction; 4) carrying out a second nitridation reaction; and 5) pickling and purifying.
本发明涉及氮化硅粉末的制备技术领域，提供一种高性能氮化硅粉末的制备方法，解决现有技术难以合成高α相含量且不含游离Si的氮化硅粉体的问题；制备过程包括:1)原料的选择；2)添加稀释剂；3)第一次氮化反应；4)第二次氮化反应；5)酸洗提纯。
Preparation method of high-performance silicon nitride powder
一种高性能氮化硅粉末的制备方法
YANG DASHENG (author) / SHI CHUNXI (author) / FENG JIAWEI (author)
2024-04-26
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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