Surface degradation of polyamide nanocomposites caused by partial discharges using IEC(b) electrodes
Surface degradation of polyamide nanocomposites caused by partial discharges using IEC(b) electrodes
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DOI：
10.1109/tdei.2004.1349788
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发表时间：
2004-10-01
影响因子：
3.1
通讯作者：
Tanaka, T
中科院分区：
文献类型：
--
作者：
Kozako, M;Fuse, N;Tanaka, T
研究了不添加纳米填料(纳米填料)和添加2、4和5wt%纳米填料的聚酰胺的局部放电(PD)降解。使用IEC(B)电极对这些材料进行PD测试以进行评估。对扫描电子显微镜和原子力显微镜观察到的表面粗糙度进行了比较。结果表明，添加纳米颗粒的样品表面粗糙度变化比未添加纳米颗粒的样品小得多，2wt%的添加量就足以改善表面粗糙度。此外，还解释了不同样品之间由于PDS引起的退化区域表面粗糙度的差异源于其晶体结构的差异。这些结果表明，聚酰胺纳米复合材料比没有纳米造孔剂的聚酰胺具有更好的耐聚苯硫酸酯的能力。
Partial discharge (PD) degradation of polyamide both without nanoscale fillers (nanofillers) and with 2, 4 and 5 wt% additions of nanorillers was investigated. Such materials were subjected to PDs using the IEC (b) electrodes for evaluation. Comparisons were made as to the surface roughness observed by scanning electron microscopy and atomic force microscopy. It was found that the change in the surface roughness is far smaller in specimens with nanorillers than those without nanofillers, and that the 2 wt% addition is sufficient for improvement of the surface roughness. Furthermore, it was elucidated that the difference of surface roughness of the degraded area due to PDs among the specimens originates from the difference in their crystalline structures. These results indicate that polyamide nanocomposite is more resistance to PDs than polyamide without nanorillers.