Dc flashover performance and surface discharge resistance of the fluorinated epoxy insulator in nitrogen gas


The surface of the epoxy insulator was modified by direct fluorination in a laboratory vessel using a F2/N2 mixture with 12.5% F2 by volume at 55 °C and 0.1 MPa for 30 min. The modified surface was examined by ATR-FTIR and SEM techniques. ATR-FTIR results show substantial changes in chemical composition and structure of the surface layer by the fluorination… (More)


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