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Zr (Hf) O2-MgAl2O4 composite material and preparation method thereof
The invention discloses a Zr (Hf) O2-MgAl2O4 composite material, which is prepared from the following raw material components in percentage by mass: 15 to 70 weight percent of zirconium oxide, 20 to 50 weight percent of hafnium oxide, 10 to 60 weight percent of magnesium aluminate spinel, 5 to 10 weight percent of barium zirconate, 5 to 20 weight percent of aluminum zirconate fiber, 3 to 8 weight percent of light basic magnesium carbonate, 1 to 5 weight percent of samarium oxide, 4 to 10 weight percent of polydextrose aqueous solution and 0.5 to 3 weight percent of sodium stearate aqueous solution. The preparation method comprises the following steps: weighing, premixing, granulating, screening, ageing, drying, forming, pre-sintering, sintering at high temperature and the like, wherein the forming and pre-sintering modes are hot isostatic pressing. The Zr (Hf) O2-MgAl2O4 composite material has the advantages that the preparation process is simple, the production cost is low, and the Zr (Hf) O2-MgAl2O4 composite material has excellent thermal shock resistance, slag corrosion resistance and high fracture toughness.
本发明公开了一种Zr(Hf)O2‑MgAl2O4复合材料，其原材料组份质量百分比为氧化锆15~70wt·%，氧化铪20~50wt·%，镁铝尖晶石10~60wt·%，锆酸钡5~10wt·%，锆酸铝纤维5~20wt·%，轻质碱式碳酸镁3~8wt·%，氧化钐为1~5wt·%，聚葡萄糖水溶液4~10wt·%，硬质酸钠水溶液0.5~3wt·%，通过称量、预混、造粒、筛分、困料、烘干、成型、预烧结和高温烧成等工艺制备而成，其中成型和预烧方式为热等静压。本发明的优点是制备工艺简单、生产成本低，Zr(Hf)O2‑MgAl2O4复合材料具有优异的热震稳定性、抗渣侵蚀性和高的断裂韧性。
Zr (Hf) O2-MgAl2O4 composite material and preparation method thereof
The invention discloses a Zr (Hf) O2-MgAl2O4 composite material, which is prepared from the following raw material components in percentage by mass: 15 to 70 weight percent of zirconium oxide, 20 to 50 weight percent of hafnium oxide, 10 to 60 weight percent of magnesium aluminate spinel, 5 to 10 weight percent of barium zirconate, 5 to 20 weight percent of aluminum zirconate fiber, 3 to 8 weight percent of light basic magnesium carbonate, 1 to 5 weight percent of samarium oxide, 4 to 10 weight percent of polydextrose aqueous solution and 0.5 to 3 weight percent of sodium stearate aqueous solution. The preparation method comprises the following steps: weighing, premixing, granulating, screening, ageing, drying, forming, pre-sintering, sintering at high temperature and the like, wherein the forming and pre-sintering modes are hot isostatic pressing. The Zr (Hf) O2-MgAl2O4 composite material has the advantages that the preparation process is simple, the production cost is low, and the Zr (Hf) O2-MgAl2O4 composite material has excellent thermal shock resistance, slag corrosion resistance and high fracture toughness.
本发明公开了一种Zr(Hf)O2‑MgAl2O4复合材料，其原材料组份质量百分比为氧化锆15~70wt·%，氧化铪20~50wt·%，镁铝尖晶石10~60wt·%，锆酸钡5~10wt·%，锆酸铝纤维5~20wt·%，轻质碱式碳酸镁3~8wt·%，氧化钐为1~5wt·%，聚葡萄糖水溶液4~10wt·%，硬质酸钠水溶液0.5~3wt·%，通过称量、预混、造粒、筛分、困料、烘干、成型、预烧结和高温烧成等工艺制备而成，其中成型和预烧方式为热等静压。本发明的优点是制备工艺简单、生产成本低，Zr(Hf)O2‑MgAl2O4复合材料具有优异的热震稳定性、抗渣侵蚀性和高的断裂韧性。
Zr (Hf) O2-MgAl2O4 composite material and preparation method thereof
一种Zr(Hf)O2-MgAl2O4复合材料及其制备方法
JIE CHUANG (author) / JIN CONGJIN (author) / ZHANG XINGHUA (author) / LI XINJIAN (author) / HUANG FENG (author) / LI JIE (author) / YANG ZHENGHONG (author)
2024-04-12
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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