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Silicon nitride whisker reinforced aluminum nitride composite ceramic material and preparation method thereof
The invention discloses a silicon nitride whisker reinforced aluminum nitride composite ceramic material and a preparation method thereof. The composite ceramic material is prepared from the following raw materials: 60wt%-90wt% of aluminum nitride, 5wt%-30wt% of silicon nitride whiskers and 3wt%-10wt% of a sintering aid. The preparation method comprises the following steps: preparation of silicon nitride whisker slurry, preparation of tape casting slurry, sieving and defoaming, tape casting, hot isostatic pressing, carbon removal treatment and normal-pressure sintering. The silicon nitride-aluminum nitride composite ceramic substrate material with higher stability and reliability can be prepared, and the bending strength of the silicon nitride-aluminum nitride composite ceramic substrate material ranges from 400 MPa to 600 MPa.
本发明公开了一种氮化硅晶须增强氮化铝的复合陶瓷材料及其制备方法。所述复合陶瓷材料的制备原料包括60wt％～90wt％氮化铝、5wt％～30wt％氮化硅晶须及3wt％～10wt％烧结助剂。其制备方法包括以下步骤：氮化硅晶须浆料的制备、流延浆料的制备、过筛脱泡、流延成型、热等静压、除碳处理、常压烧结。本发明可制备出稳定性和可靠性更高的氮化硅‑氮化铝复合陶瓷基板材料，其弯曲强度在400MPa～600MPa之间。
Silicon nitride whisker reinforced aluminum nitride composite ceramic material and preparation method thereof
The invention discloses a silicon nitride whisker reinforced aluminum nitride composite ceramic material and a preparation method thereof. The composite ceramic material is prepared from the following raw materials: 60wt%-90wt% of aluminum nitride, 5wt%-30wt% of silicon nitride whiskers and 3wt%-10wt% of a sintering aid. The preparation method comprises the following steps: preparation of silicon nitride whisker slurry, preparation of tape casting slurry, sieving and defoaming, tape casting, hot isostatic pressing, carbon removal treatment and normal-pressure sintering. The silicon nitride-aluminum nitride composite ceramic substrate material with higher stability and reliability can be prepared, and the bending strength of the silicon nitride-aluminum nitride composite ceramic substrate material ranges from 400 MPa to 600 MPa.
本发明公开了一种氮化硅晶须增强氮化铝的复合陶瓷材料及其制备方法。所述复合陶瓷材料的制备原料包括60wt％～90wt％氮化铝、5wt％～30wt％氮化硅晶须及3wt％～10wt％烧结助剂。其制备方法包括以下步骤：氮化硅晶须浆料的制备、流延浆料的制备、过筛脱泡、流延成型、热等静压、除碳处理、常压烧结。本发明可制备出稳定性和可靠性更高的氮化硅‑氮化铝复合陶瓷基板材料，其弯曲强度在400MPa～600MPa之间。
Silicon nitride whisker reinforced aluminum nitride composite ceramic material and preparation method thereof
一种氮化硅晶须增强氮化铝的复合陶瓷材料及其制备方法
HU CHUANDENG (Autor:in) / LI JIAN (Autor:in) / ZHANG XIANLI (Autor:in)
04.11.2022
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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