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Preparation method of high-purity alpha-phase silicon nitride fibrofelt
The invention discloses a preparation method of high-purity alpha-phase silicon nitride fibrofelt, and relates to a preparation method of high-purity alpha-phase silicon nitride. The invention aims to solve the problems of lack of high-purity silicon nitride raw material powder and high cost in the prior art. The preparation method comprises the following steps: 1, preparing a carbon fiber felt precursor; 2, sintering reaction; 3, carbon removal treatment. The method is used for preparing the high-purity alpha-phase silicon nitride fibrofelt.
一种高纯α相氮化硅纤维毡的制备方法，它涉及一种高纯α相氮化硅的制备方法。本发明要解决现有高纯氮化硅原料粉体匮乏且成本较高的问题。制备方法：一、制备碳纤维毡前驱体；二、烧结反应；三、除碳处理。本发明用于高纯α相氮化硅纤维毡的制备。
Preparation method of high-purity alpha-phase silicon nitride fibrofelt
The invention discloses a preparation method of high-purity alpha-phase silicon nitride fibrofelt, and relates to a preparation method of high-purity alpha-phase silicon nitride. The invention aims to solve the problems of lack of high-purity silicon nitride raw material powder and high cost in the prior art. The preparation method comprises the following steps: 1, preparing a carbon fiber felt precursor; 2, sintering reaction; 3, carbon removal treatment. The method is used for preparing the high-purity alpha-phase silicon nitride fibrofelt.
一种高纯α相氮化硅纤维毡的制备方法，它涉及一种高纯α相氮化硅的制备方法。本发明要解决现有高纯氮化硅原料粉体匮乏且成本较高的问题。制备方法：一、制备碳纤维毡前驱体；二、烧结反应；三、除碳处理。本发明用于高纯α相氮化硅纤维毡的制备。
Preparation method of high-purity alpha-phase silicon nitride fibrofelt
一种高纯α相氮化硅纤维毡的制备方法
WANG ZHIJIANG (author) / DAI DING (author)
2021-04-23
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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