采用小波变换研究电晕时效环氧铝纳米复合材料的表面状况

2021 IEEE International Conference on the Properties and Applications of Dielectric Materials (ICPADM) Pub Date : 2021-07-12 DOI:10.1109/ICPADM49635.2021.9493906

M. S. Babu, C. Naresh, R. Jayaganthan, T. Imai, R. Sarathi

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引用次数: 0

摘要

本文分析了电晕暴露对环氧铝纳米复合材料表面状况的影响。采用四阶Daubechies小波(db4)函数进行多分辨率信号分解(MRSD)分析，分析试件的表面轮廓。对于10 wt.%的环氧铝纳米复合材料试样，在每个分解水平上的近似系数和细节系数的标准偏差较小。Al填料加入后，表面粗糙度系数降低了10 wt.%。电晕暴露对试样的表面轮廓有显著影响，导致每个分解水平的表面粗糙度系数都有所增加。

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Investigating Surface Condition of Corona Aged Epoxy-Al Nanocomposites by Adopting Wavelet Transform

The effect of corona exposure on surface condition of epoxy Aluminium (Al) nanocomposites has been analyzed in the present study. Multi resolution signal decomposition (MRSD) analysis has been performed by employing fourth order Daubechies wavelet (db4) function, to analyze the surface profile of the test specimens. The standard deviation of approximation and detail coefficients at each decomposition level are found to be lesser for 10 wt.% epoxy Aluminium nanocomposite specimen. Surface roughness factor has reduced after Al filler inclusion up to 10 wt.%. Corona exposure has significantly affected the surface profile of the test specimens resulting in the increment of surface roughness factor at each decomposition level.

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2021 IEEE International Conference on the Properties and Applications of Dielectric Materials (ICPADM)

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