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Si3N4-SiC ceramic powder, converter slag-stopping sliding plate brick and preparation methods of Si3N4-SiC ceramic powder and converter slag-stopping sliding plate brick
The invention discloses Si3N4-SiC ceramic powder, a converter slag stopping sliding plate brick and preparation methods of the Si3N4-SiC ceramic powder and the converter slag stopping sliding plate brick, and belongs to the technical field of refractory materials, and the sliding plate brick comprises the following components in percentage by mass: 39-48% of tabular corundum particles, 6-8% of zirconium mullite particles, 8% of zirconium corundum particles, 3-5% of silicon carbide particles and 35-40% of co-grinding powder, and the total percentage is 100%. 3%-4% of phenolic resin is added. Wherein the co-grinding powder comprises the following components in percentage by weight: 15%-20% of Si3N4-SiC ceramic powder and 3%-5% of metal silicon powder. The Si3N4-SiC ceramic powder, the metal silicon powder and carbon decomposed from the resin in the matrix react to form a SiC-Si3N4-SiC ceramic combined structure during firing in a nitrogen atmosphere, and a three-position ceramic interface is formed, so that the material has good thermal shock resistance and erosion resistance.
本发明公开了一种Si3N4‑SiC陶瓷粉体、转炉挡渣滑板砖及它们的制备方法，属于耐火材料技术领域，滑板砖组成按质量百分比配比为：板状刚玉颗粒39～48％，锆莫来石颗粒6％～8％，锆刚玉颗粒8％，碳化硅颗粒3～5％，35％～40％的共磨粉，总百分比为100％，外加3％～4％的酚醛树脂。其中所述的共磨粉包括15％～20％的Si3N4‑SiC陶瓷粉体、3～5％的金属硅粉。氮气气氛下烧成时基质中的Si3N4‑SiC陶瓷粉体、金属硅粉和树脂分解的碳反应形成SiC‑Si3N4‑SiC的陶瓷结合的结构，形成了三位陶瓷界面，使得材料具有良好的热震性能和抗侵蚀性能。
Si3N4-SiC ceramic powder, converter slag-stopping sliding plate brick and preparation methods of Si3N4-SiC ceramic powder and converter slag-stopping sliding plate brick
The invention discloses Si3N4-SiC ceramic powder, a converter slag stopping sliding plate brick and preparation methods of the Si3N4-SiC ceramic powder and the converter slag stopping sliding plate brick, and belongs to the technical field of refractory materials, and the sliding plate brick comprises the following components in percentage by mass: 39-48% of tabular corundum particles, 6-8% of zirconium mullite particles, 8% of zirconium corundum particles, 3-5% of silicon carbide particles and 35-40% of co-grinding powder, and the total percentage is 100%. 3%-4% of phenolic resin is added. Wherein the co-grinding powder comprises the following components in percentage by weight: 15%-20% of Si3N4-SiC ceramic powder and 3%-5% of metal silicon powder. The Si3N4-SiC ceramic powder, the metal silicon powder and carbon decomposed from the resin in the matrix react to form a SiC-Si3N4-SiC ceramic combined structure during firing in a nitrogen atmosphere, and a three-position ceramic interface is formed, so that the material has good thermal shock resistance and erosion resistance.
本发明公开了一种Si3N4‑SiC陶瓷粉体、转炉挡渣滑板砖及它们的制备方法，属于耐火材料技术领域，滑板砖组成按质量百分比配比为：板状刚玉颗粒39～48％，锆莫来石颗粒6％～8％，锆刚玉颗粒8％，碳化硅颗粒3～5％，35％～40％的共磨粉，总百分比为100％，外加3％～4％的酚醛树脂。其中所述的共磨粉包括15％～20％的Si3N4‑SiC陶瓷粉体、3～5％的金属硅粉。氮气气氛下烧成时基质中的Si3N4‑SiC陶瓷粉体、金属硅粉和树脂分解的碳反应形成SiC‑Si3N4‑SiC的陶瓷结合的结构，形成了三位陶瓷界面，使得材料具有良好的热震性能和抗侵蚀性能。
Si3N4-SiC ceramic powder, converter slag-stopping sliding plate brick and preparation methods of Si3N4-SiC ceramic powder and converter slag-stopping sliding plate brick
一种Si3N4-SiC陶瓷粉体、转炉挡渣滑板砖及它们的制备方法
ZHANG YUANHONG (author) / YU XIPING (author) / XU KUNBO (author) / ZHOU LIANG (author) / XIAO ZHIQIANG (author) / LU ZHENHUA (author)
2024-04-05
Patent
Electronic Resource
Chinese
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