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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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Optimized sintering and mechanical properties of Y–TZP ceramics for dental restorations by adding lithium disilicate glass ceramics

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

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Significant strain-rate dependence of sensing behavior in TiO2@carbon fibre/PDMS composites for flexible strain sensors

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Reaction products of Sm2Zr2O7 with calcium-magnesium-aluminum-silicate (CMAS) and their evolution

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High entropy defective fluorite structured rare-earth niobates and tantalates for thermal barrier applications

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Chrysanthemum-like high-entropy diboride nanoflowers: A new class of high-entropy nanomaterials

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Molten salt synthesis, formation mechanism, and oxidation behavior of nanocrystalline HfB2 powders

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Nanowires-assembled WO3 nanomesh for fast detection of ppb-level NO2 at low temperature

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Enhanced thermoelectric properties of hydrothermally synthesized n-type Se&Lu-codoped Bi2Te3

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