Development of Nano Alumina/Micro ATH Filled Silicone Elastomers for High Voltage Insulation Applications

P. Ashitha, S. Akhil
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引用次数: 0

Abstract

The study provides results of analysis performed on laboratory prepared binary composites of nano Alumina and micro Aluminum Tri Hydrate dispersed in silicone rubber elastomer. Extent of dispersion is analyzed through SEM micrographs. Thermogravimetric analysis shows a small improvement in thermal properties. Stress strain curves is analyzed for the effects of nano Alumina in altering tensile strength and percentage elongation at break. Dielectric strength in oil, and dry arc resistance test is also performed on the composites. Agglomeration of nano Alumina and subsequent development of thermal links between agglomerated sub-micron structures of nano Alumina and micro Aluminum Tri Hydrate is briefly discussed. A preliminary analysis of the afore mentioned properties is performed and reported in this study.
高压绝缘用纳米氧化铝/微ATH填充有机硅弹性体的研制
该研究提供了实验室制备的分散在硅橡胶弹性体中的纳米氧化铝和微三水合铝二元复合材料的分析结果。通过扫描电镜分析了分散程度。热重分析表明,热性能略有改善。通过应力应变曲线分析了纳米氧化铝对拉伸强度和断裂伸长率的影响。并对复合材料进行了油中介电强度和抗干弧性能试验。简要讨论了纳米氧化铝的团聚和随后发展的亚微米纳米氧化铝和微三水合铝的团聚结构之间的热链接。对上述性质进行了初步分析,并在本研究中进行了报告。
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