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CE/SiC纳米复合材料的制备与性能 被引量:1

Preparation and performance of CE/SiC nano-composites
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摘要 采用高速均质剪切法制备CE/SiC纳米复合材料,通过力学性能测试、热失重(TGA)分析和动态力学能谱(DMA)分析,考察了纳米SiC不同含量对其性能的影响。结果表明,纳米SiC能有效改善CE的静态力学性能、热稳定性和耐热性。相对纯CE,当纳米SiC含量为1.00%时,复合材料冲击强度的提高率为73.78%,弯曲强度的提高率20.84%;失重5%时,热分解温度的提高率为12.31%;500℃时,质量保持率提高为6.48%;玻璃化转变温度的提高率为13.09%。 Cyanate ester resins/SiC nano-composites were prepared by the high-speed homogeneous shearing method. Influences of different content of nano-SiC on its performance were investigated through mechanical test, TGA analysis and DMA analysis. The results indicate that nano-SiC can efficiently improve the quasi-static mechanical properties, the thermal stability and the heat resistanced of CE. Compared with pure CE, the increase rates of the impact strength of the composites was 73. 78% , under the condition that the content of the nano-SiC was 1.00%, while the flexural strength increased 20.84%. When the mass loss of composites was 5%, the degradation temperature increased by 12.31%. The quality maintaining rate increased 6. 48% when it was 500℃. And the increase rate of the glass transition temperature was 13.09%.
出处 《化工新型材料》 CAS CSCD 北大核心 2009年第4期59-61,共3页 New Chemical Materials
基金 陕西省自然科学基金项目(2006B25) 渭南师范学院科研基金项目(08YKF016)
关键词 纳米SIC 氰酸酯树脂 改性 性能 nano-SiC, cyanate ester resin, modification, performance
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