Investigation on the Electrothermal Properties of Nanocomposite HDPE

Table 3

AC breakdown strength (BDV).

Sample	AC BDV (kV/mm)	% increase
Pure HDPE	28.18	—
HDPE with 1 wt.% alumina	28.56	1.34
HDPE with 3 wt.% alumina	29.32	4.04
HDPE with 5 wt.% alumina	32.79	16.3
HDPE with 7 wt.% alumina	30.44	8.01