局部放电引起的聚酰胺纳米复合材料表面变化

Masahiro Kozako, N. Fuse, K. Shibata, N. Hirai, Yoshimichi Ohki, Tatsuki Okamoto, Toshikatsu Tanaka
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引用次数: 54

摘要

研究了常规聚酰胺-6的局部放电降解。无纳米级填料(nanofillers)和聚酰胺-6纳米复合材料分别添加2重量(wt) %、4重量%和5重量%。这些材料在IEC (b)电极配置下进行部分放电以进行评估。比较了扫描电子显微镜和原子力显微镜观察到的表面粗糙度。结果表明,添加纳米填料的试样表面粗糙度的变化远小于未添加纳米填料的试样,并且添加2 wt%的纳米填料足以改善表面粗糙度。结果表明,与未添加纳米填料的聚酰胺-6相比,聚酰胺-6纳米复合材料具有更强的抗pd性能。
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Surface change of polyamide nanocomposite caused by partial discharges
We have investigated partial discharge (PD) degradation for conventional polyamide-6. without nanoscale fillers (nanofillers) and polyamide-6 nanocomposites with 2 weight (wt) %, 4 wt% and 5 wt% addition. Such materials were subjected to partial discharge under the IEC (b) electrode configuration 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 was far smaller in specimens with nanofillers than those without nanofillers, and that the 2 wt% addition was sufficient for improvement. This result indicates that polyamide-6 nanocomposite is more resistive to PDs than polyamide-6 without nanofillers.
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