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Refractory material of silicon nitride combined with silicon carbide and preparation method of refractory material
The invention relates to the technical field of refractory materials, in particular to a silicon nitride and silicon carbide combined refractory material and a preparation method thereof.The silicon nitride and silicon carbide combined refractory material comprises silicon nitride, silicon carbide, aluminum oxide, magnesium oxide, borax, graphite and a binder; wherein the mass percent of each component is as follows: 6-51% of silicon nitride; 25-35% of silicon carbide; 10-20% of aluminum oxide; 5-15% of magnesium oxide; 3-8% of borax; 2-6% of graphite; the binder is ethyl silicate, polyvinyl alcohol or styrene-butadiene copolymer, the silicon nitride is alpha-type silicon nitride, the silicon carbide is beta-type silicon carbide, and the aluminum oxide is alpha-type aluminum oxide. According to the invention, by combining silicon nitride and silicon carbide, excellent high-temperature stability and wear resistance are provided, meanwhile, excellent chemical stability and low thermal expansion coefficient are achieved, and the innovative preparation method ensures the uniformity and high quality of the material, and meets the strict requirements on refractory materials in high-performance industrial application.
本发明涉及耐火材料技术领域，具体涉及一种氮化硅结合碳化硅的耐火材料及其制备方法，包括氮化硅、碳化硅、氧化铝、氧化镁、硼砂、石墨以及粘结剂；其中各成分按照质量百分比为，氮化硅：6‑51%；碳化硅：25‑35%；氧化铝：10‑20%；氧化镁：5‑15%；硼砂：3‑8%；石墨：2‑6%；粘结剂：4‑10%，所述粘结剂为硅酸乙酯、聚乙烯醇或苯乙烯‑丁二烯共聚物，氮化硅为α型氮化硅，碳化硅为β型碳化硅，氧化铝为α型氧化铝。本发明，通过结合氮化硅和碳化硅，提供了优异的高温稳定性和耐磨损性能，同时具备出色的化学稳定性和低热膨胀系数，且其创新的制备方法确保了材料的均匀性和高质量，满足了高性能工业应用中对耐火材料的严格要求。
Refractory material of silicon nitride combined with silicon carbide and preparation method of refractory material
The invention relates to the technical field of refractory materials, in particular to a silicon nitride and silicon carbide combined refractory material and a preparation method thereof.The silicon nitride and silicon carbide combined refractory material comprises silicon nitride, silicon carbide, aluminum oxide, magnesium oxide, borax, graphite and a binder; wherein the mass percent of each component is as follows: 6-51% of silicon nitride; 25-35% of silicon carbide; 10-20% of aluminum oxide; 5-15% of magnesium oxide; 3-8% of borax; 2-6% of graphite; the binder is ethyl silicate, polyvinyl alcohol or styrene-butadiene copolymer, the silicon nitride is alpha-type silicon nitride, the silicon carbide is beta-type silicon carbide, and the aluminum oxide is alpha-type aluminum oxide. According to the invention, by combining silicon nitride and silicon carbide, excellent high-temperature stability and wear resistance are provided, meanwhile, excellent chemical stability and low thermal expansion coefficient are achieved, and the innovative preparation method ensures the uniformity and high quality of the material, and meets the strict requirements on refractory materials in high-performance industrial application.
本发明涉及耐火材料技术领域，具体涉及一种氮化硅结合碳化硅的耐火材料及其制备方法，包括氮化硅、碳化硅、氧化铝、氧化镁、硼砂、石墨以及粘结剂；其中各成分按照质量百分比为，氮化硅：6‑51%；碳化硅：25‑35%；氧化铝：10‑20%；氧化镁：5‑15%；硼砂：3‑8%；石墨：2‑6%；粘结剂：4‑10%，所述粘结剂为硅酸乙酯、聚乙烯醇或苯乙烯‑丁二烯共聚物，氮化硅为α型氮化硅，碳化硅为β型碳化硅，氧化铝为α型氧化铝。本发明，通过结合氮化硅和碳化硅，提供了优异的高温稳定性和耐磨损性能，同时具备出色的化学稳定性和低热膨胀系数，且其创新的制备方法确保了材料的均匀性和高质量，满足了高性能工业应用中对耐火材料的严格要求。
Refractory material of silicon nitride combined with silicon carbide and preparation method of refractory material
一种氮化硅结合碳化硅的耐火材料及其制备方法
BA WEI (Autor:in) / BA HAO (Autor:in) / ZHENG YITIE (Autor:in)
15.03.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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