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Effect of starting materials and sintering temperature on microstructure and optical properties of Y2O3:Yb3+ 5 at% transparent ceramics

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Microstructure and properties of porous Si3N4 ceramics by gelcasting-self-propagating high-temperature synthesis (SHS)

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1970-01-01

Influence of Al2O3 content on mechanical properties of silica-based ceramic cores prepared by stereolithography

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Microstructure and mechanical properties of 3D Cf/SiBCN composites fabricated by polymer infiltration and pyrolysis

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Effect of Heat Treatment Atmosphere on the Crystallization Behavior of SiBON Ceramic Materials

摘要： 熔融石英陶瓷在使用过程中的析晶现象一直备受关注。采用XRD、SEM、FT-IR、XPS分析手段研究了SiBON陶瓷物相结构、表面形貌、化学键存在形式对其析晶行为的影响。结果表明,SiBON陶瓷…

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摘要： 锂铝硅系超低膨胀微晶玻璃是一种性能优良的低膨胀光学材料,热膨胀系数低、透明性好。国产高品质超低膨胀微晶玻璃一直受到技术制约,难以批量化生产。本研究采用熔融法结合搅拌工艺以及适宜的热处理制度,成功批量化生产出热膨胀系数接近于零的高品质超低膨胀透明微晶玻璃产品,产品外观完整,内部基本无气泡、条纹等缺陷。对优级产品进行热膨胀系数、应力双折射、抗弯强度测试,结果表明,优级产品热膨胀系数为1.6×1…

1970-01-01

Research and Application Progress of SiC Ceramics：a Review

摘要：碳化硅陶瓷材料具有良好的耐磨性、导热性、抗氧化性及优异的高温力学性能，被广泛应用于能源环保、化工机械、半导体、国防军工等领域。然而，由于碳化硅为强共价键化合物，且具有低的扩散系数，导致其在制备过…

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Microwave induced in-situ formation of SiC nanowires on SiCNO ceramic aerogels with excellent electromagnetic wave absorption performance

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1970-01-01

Fabrication and microstructure evolution of Csf/ZrB2-SiC composites via direct ink writing and reactive melt infiltration

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1970-01-01