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Rare earth composite zirconium carbide-silicon carbide ceramic as well as preparation method and application thereof
The invention provides rare earth composite zirconium carbide-silicon carbide ceramic as well as a preparation method and application thereof. The composite zirconium carbide-silicon carbide ceramic comprises the following components in percentage by mass: 5-15% of yttrium oxide, 60-80% of zirconium carbide and 5-35% of silicon carbide, wherein the mass of the rare earth zirconium carbide-silicon carbide ceramic is 100%. The preparation method comprises the following steps: (1) mixing a zirconium carbide source solution and a silicon carbide source solution, and sequentially carrying out desolvation treatment and pyrolysis treatment to obtain primary powder; and (2) mixing an yttrium source with the primary powder obtained in the step (1), carrying out desolventizing treatment to obtain ceramic powder, and sintering the ceramic powder to obtain the rare earth composite zirconium carbide-silicon carbide ceramic. The preparation method of the rare earth composite zirconium carbide-silicon carbide ceramic is efficient and controllable, the rare earth composite zirconium carbide-silicon carbide ceramic has excellent high-temperature ablation resistance, the density is about 99%, and the hardness can reach 1200 HV0.1 or above.
本发明提供一种稀土复合碳化锆‑碳化硅陶瓷及其制备方法和应用。以所述稀土碳化锆‑碳化硅陶瓷的质量为100％计，所述复合碳化锆‑碳化硅陶瓷包括5～15％三氧化二钇、60～80％碳化锆和5～35％碳化硅。所述制备方法包括以下步骤：(1)将碳化锆源溶液和碳化硅源溶液混合后，依次进行脱溶剂处理和热解处理，得到初步粉体；(2)将钇源与步骤(1)所述初步粉体混合后，进行脱溶剂处理得到陶瓷粉体，对所述陶瓷粉体进行烧结得到所述稀土复合碳化锆‑碳化硅陶瓷。本发明稀土复合碳化锆‑碳化硅陶瓷制备方法高效可控，稀土复合碳化锆‑碳化硅陶瓷具有优异的高温烧蚀抗性，致密度在99％左右，硬度可高达1200HV0.1以上。
Rare earth composite zirconium carbide-silicon carbide ceramic as well as preparation method and application thereof
The invention provides rare earth composite zirconium carbide-silicon carbide ceramic as well as a preparation method and application thereof. The composite zirconium carbide-silicon carbide ceramic comprises the following components in percentage by mass: 5-15% of yttrium oxide, 60-80% of zirconium carbide and 5-35% of silicon carbide, wherein the mass of the rare earth zirconium carbide-silicon carbide ceramic is 100%. The preparation method comprises the following steps: (1) mixing a zirconium carbide source solution and a silicon carbide source solution, and sequentially carrying out desolvation treatment and pyrolysis treatment to obtain primary powder; and (2) mixing an yttrium source with the primary powder obtained in the step (1), carrying out desolventizing treatment to obtain ceramic powder, and sintering the ceramic powder to obtain the rare earth composite zirconium carbide-silicon carbide ceramic. The preparation method of the rare earth composite zirconium carbide-silicon carbide ceramic is efficient and controllable, the rare earth composite zirconium carbide-silicon carbide ceramic has excellent high-temperature ablation resistance, the density is about 99%, and the hardness can reach 1200 HV0.1 or above.
本发明提供一种稀土复合碳化锆‑碳化硅陶瓷及其制备方法和应用。以所述稀土碳化锆‑碳化硅陶瓷的质量为100％计，所述复合碳化锆‑碳化硅陶瓷包括5～15％三氧化二钇、60～80％碳化锆和5～35％碳化硅。所述制备方法包括以下步骤：(1)将碳化锆源溶液和碳化硅源溶液混合后，依次进行脱溶剂处理和热解处理，得到初步粉体；(2)将钇源与步骤(1)所述初步粉体混合后，进行脱溶剂处理得到陶瓷粉体，对所述陶瓷粉体进行烧结得到所述稀土复合碳化锆‑碳化硅陶瓷。本发明稀土复合碳化锆‑碳化硅陶瓷制备方法高效可控，稀土复合碳化锆‑碳化硅陶瓷具有优异的高温烧蚀抗性，致密度在99％左右，硬度可高达1200HV0.1以上。
Rare earth composite zirconium carbide-silicon carbide ceramic as well as preparation method and application thereof
一种稀土复合碳化锆-碳化硅陶瓷及其制备方法和应用
YU SHOUQUAN (author) / SHA BENQING (author) / ZHANG WEIGANG (author) / ZHANG HUIFENG (author) / LYU HAOZHONG (author) / WEI JINLIN (author) / LAN HAO (author) / HUANG CHUANBING (author) / SUN XIAOMING (author)
2024-01-09
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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