Research Article

Electrical Treeing and Partial Discharge Characteristics of Epoxy/Silica Nanocomposite under Alternating Current

Figure 5

TEM images for nanosilica particles dispersed in epoxy nanocomposite. (a) Unmodified nanosilica content is 1 phr, and alkyl-modified nanosilica contents are (b) 1 phr, (c) 3 phr, and (d) 7 phr.
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(b)
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