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A platform for research: civil engineering, architecture and urbanism
High-strength aluminum oxide foamed ceramic and preparation method thereof
The invention discloses a high-strength aluminum oxide foamed ceramic and a preparation method thereof, the high-strength aluminum oxide foamed ceramic is obtained by uniformly dipping and coating a sponge body with precursor dipping slurry, and drying and sintering, wherein the precursor dipping slurry is prepared from the following raw materials in parts by weight: 60 to 75 parts of alpha-Al2O3 powder, 10 to 25 parts of kaolin, 6 to 14 parts of magnesite, 1 to 13 parts of silica powder, 3.5 to 4.5 parts of water glass and 6 to 10 parts of PVA (Polyvinyl Alcohol) solution. The aluminum oxide foamed ceramic provided by the invention has the performance of high strength and high through hole rate. The invention provides a preparation method of high-strength aluminum oxide foamed ceramic, which can ensure low-temperature firing of the ceramic and avoid environmental pollution in the preparation process.
本发明公开了一种高强度氧化铝泡沫陶瓷及其制备方法，其由前驱体浸渍浆料均匀浸渍涂覆到海绵体上，经过干燥烧成获得，其中，所述前驱体浸渍浆料包括以重量份计的下述原料：α‑Al2O3粉60‑75份、高岭土10‑25份、菱镁矿6‑14份、硅微粉1‑13份、水玻璃3.5‑4.5份、PVA溶液6‑10份。本发明提供的氧化铝泡沫陶瓷具有高强度，高通孔率性能。本发明提供一种高强度氧化铝泡沫陶瓷的制备方法，其能够保证陶瓷低温烧成，制备过程可避免环境污染。
High-strength aluminum oxide foamed ceramic and preparation method thereof
The invention discloses a high-strength aluminum oxide foamed ceramic and a preparation method thereof, the high-strength aluminum oxide foamed ceramic is obtained by uniformly dipping and coating a sponge body with precursor dipping slurry, and drying and sintering, wherein the precursor dipping slurry is prepared from the following raw materials in parts by weight: 60 to 75 parts of alpha-Al2O3 powder, 10 to 25 parts of kaolin, 6 to 14 parts of magnesite, 1 to 13 parts of silica powder, 3.5 to 4.5 parts of water glass and 6 to 10 parts of PVA (Polyvinyl Alcohol) solution. The aluminum oxide foamed ceramic provided by the invention has the performance of high strength and high through hole rate. The invention provides a preparation method of high-strength aluminum oxide foamed ceramic, which can ensure low-temperature firing of the ceramic and avoid environmental pollution in the preparation process.
本发明公开了一种高强度氧化铝泡沫陶瓷及其制备方法，其由前驱体浸渍浆料均匀浸渍涂覆到海绵体上，经过干燥烧成获得，其中，所述前驱体浸渍浆料包括以重量份计的下述原料：α‑Al2O3粉60‑75份、高岭土10‑25份、菱镁矿6‑14份、硅微粉1‑13份、水玻璃3.5‑4.5份、PVA溶液6‑10份。本发明提供的氧化铝泡沫陶瓷具有高强度，高通孔率性能。本发明提供一种高强度氧化铝泡沫陶瓷的制备方法，其能够保证陶瓷低温烧成，制备过程可避免环境污染。
High-strength aluminum oxide foamed ceramic and preparation method thereof
高强度氧化铝泡沫陶瓷及其制备方法
CHEN JIACAI (author) / ZHANG JIAPING (author) / FAN YUXUAN (author) / YU HUINENG (author) / LIN SHAN (author) / FENG BIN (author)
2021-09-28
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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