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A platform for research: civil engineering, architecture and urbanism
High-strength silicon carbide ceramic and preparation method thereof
The invention belongs to the field of silicon carbide ceramic preparation, and particularly relates to high-strength silicon carbide ceramic and a preparation method thereof. The preparation method of the high-strength silicon carbide ceramic comprises the following steps: preparing main raw materials from the following components: 80-95 wt% of submicron alpha-silicon carbide micro powder, 1-7 wt% of aluminum oxide, 1-8 wt% of yttrium oxide, 1-3 wt% of polyethylene glycol and 1-2 wt% of polyvinyl alcohol; deionized water is added into the main raw materials for ball-milling dispersion, and water-based slurry is prepared; carrying out spray granulation on the water-based slurry to prepare ceramic granulation powder; and carrying out hot pressed sintering on the ceramic granulation powder to obtain the high-strength silicon carbide ceramic.
本发明属于碳化硅陶瓷制备领域，具体涉及一种高强度碳化硅陶瓷及其制备方法。本发明的高强度碳化硅陶瓷的制备方法，包括以下步骤：主原料由以下含量的成分组成：80～95wt％亚微米α‑碳化硅微粉，1～7wt％的氧化铝，1～8wt％的氧化钇，1～3wt％聚乙二醇，1～2wt％聚乙烯醇；将主原料加去离子水进行球磨分散，制备获得水基料浆；将水基料浆进行喷雾造粒，制备获得陶瓷造粒粉；将陶瓷造粒粉进行热压烧结，获得高强度碳化硅陶瓷。
High-strength silicon carbide ceramic and preparation method thereof
The invention belongs to the field of silicon carbide ceramic preparation, and particularly relates to high-strength silicon carbide ceramic and a preparation method thereof. The preparation method of the high-strength silicon carbide ceramic comprises the following steps: preparing main raw materials from the following components: 80-95 wt% of submicron alpha-silicon carbide micro powder, 1-7 wt% of aluminum oxide, 1-8 wt% of yttrium oxide, 1-3 wt% of polyethylene glycol and 1-2 wt% of polyvinyl alcohol; deionized water is added into the main raw materials for ball-milling dispersion, and water-based slurry is prepared; carrying out spray granulation on the water-based slurry to prepare ceramic granulation powder; and carrying out hot pressed sintering on the ceramic granulation powder to obtain the high-strength silicon carbide ceramic.
本发明属于碳化硅陶瓷制备领域，具体涉及一种高强度碳化硅陶瓷及其制备方法。本发明的高强度碳化硅陶瓷的制备方法，包括以下步骤：主原料由以下含量的成分组成：80～95wt％亚微米α‑碳化硅微粉，1～7wt％的氧化铝，1～8wt％的氧化钇，1～3wt％聚乙二醇，1～2wt％聚乙烯醇；将主原料加去离子水进行球磨分散，制备获得水基料浆；将水基料浆进行喷雾造粒，制备获得陶瓷造粒粉；将陶瓷造粒粉进行热压烧结，获得高强度碳化硅陶瓷。
High-strength silicon carbide ceramic and preparation method thereof
一种高强度碳化硅陶瓷及其制备方法
GUO XINGZHONG (author) / ZOU CHANG (author) / ZHOU WEILIANG (author) / ZHENG PU (author) / LI ZHIQIANG (author)
2024-03-15
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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