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Nano composite elastomeric insulator for high voltage applications (11kV) composed of silicon rubber (type 630 RTV) and Nano silica particles (25-43 nm) was manufactured. Five ratios of Nano silica (1,2,3,3.5 and 4 pphr) were employed and compared with the control sample (pure silicon rubber). DSC, FTIR, EDX and SEM tests were carried out which showed that there are chemical interactions between the Nano filler and the silicon rubber matrix. Breakdown strength measurements proved that silicone rubber alone is unsuitable for employed as an electrical insulator for 11kV, unless reinforced with…mehr

Produktbeschreibung
Nano composite elastomeric insulator for high voltage applications (11kV) composed of silicon rubber (type 630 RTV) and Nano silica particles (25-43 nm) was manufactured. Five ratios of Nano silica (1,2,3,3.5 and 4 pphr) were employed and compared with the control sample (pure silicon rubber). DSC, FTIR, EDX and SEM tests were carried out which showed that there are chemical interactions between the Nano filler and the silicon rubber matrix. Breakdown strength measurements proved that silicone rubber alone is unsuitable for employed as an electrical insulator for 11kV, unless reinforced with Nano silica. Other dielectric results, showed that the 4pphr loading level possess worst properties rather than mixing difficulties, while the 2pphr loading level has better properties(higher resistivity, dielectric strength and dielectric constant lower dielectricloss).Wettability measurements proved that the addition of the Nano silica enhanced the self-cleaning tendency. Nano silica addition, also enhanced mechanical properties such as hardness and tensile strength, aging resistance.
Autorenporträt
Auda Jabbar Braihi, Faculty member of Department Polymer and Petrochemical Industries of Materials Engineering, University of Babylon, Iraq. My field research interests are composite materials, biopolymers, implants, prosthetic materials and petroleum industries. Member of Iraqi Society of Polymers and member of Iraqi Society of Nanotechnology.