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Polymeric insulation aging is closely related to the change of its physical and chemical properties. An attempt is tried to correlate the space charge and electroluminescence (EL) behaviors of aged low-density polyethylene (LDPE) samples films. LDPE samples were aged in a thermal aging oven with five different time intervals (120, 240, 360, 480 and 600h). After thermal aging, their molecular structures...
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