Epoxy resin composites Epoxy resins 2 Activation energy 1 Ball milling 1 Bismuth compounds 1 Crystalline materials 1 Electric switchgear 1 Electrode systems 1 Electrodes 1 Flashover 1 Flashover characteristics 1 Gas-insulated switchgear 1 Gases 1 Grain size and shape 1 High-energy ball milling 1 Insulator 1 Ionization of gases 1 Iron compounds 1 Lower sintering temperatures 1 Mechanical activation 1 Microwave absorbing materials 1 Microwave absorption characteristics 1 Microwave absorption properties 1 Microwaves 1 Partial discharges 1 Property 1 Reaction rates 1 SF6 insulation 1 SF6/CF4 mixture 1 Sintering 1