DataVXJournal of Elastomers & PlasticsPaper
journal article·2018-10

Investigation of electrical, tracking/erosion, and water absorption resistance properties of ATH-SiO 2 -reinforced RTV-SiR composites for high-voltage insulations

Hidayatullah Khan, Muhammad Amin, Ayaz Ahmad, Muhammad Yasin

Journal of Elastomers & Plastics· Volume 50· Issue 6
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Source abstract

Abstract

In this work, we have investigated the impact of micro-silica (SiO 2 ), micro-alumina-tri-hydrate (ATH), and mixture of micro/nano-sized particles (ATH + SiO 2 ) on electrical, tracking and erosion, and water absorption characteristics of silicone rubber (SiR)-based novel composites. SiR-blends with varying concentrations by weight percent (wt%) of ATH and SiO 2 were prepared by simple blending in a two-roll mixing mill. Tracking/erosion and water absorption resistance properties of SiR-blends were analyzed using the inclined plane test and water immersion tests, respectively, according to ASTM standards. Dielectric strength, volume and surface resistivity, tracking/erosion resistance, and water penetration resistance properties of SiR composites were determined and discussed. SiR composites with ATH showed enhanced dielectric strength, volume and surface resistivity, erosion resistance, and initial tracking voltage compared to SiO 2 -filled composites. Further, the ATH and SiO 2 co-filled specimens showed better water immersion resistance compared to samples only filled with ATH or SiO 2 . We presume characterization results presented in this work will help researchers to optimize the performance of SiR for outdoor high-voltage insulation applications.
Source: crossref · Quality: baseline

Research context

Composites

OpenAlex topics: High voltage insulation and dielectric phenomena · Dielectric materials and actuators · Advanced Sensor and Energy Harvesting Materials

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Electrical Engineering Department, COMSATS Institute of Information Technology, Wah Cantt, Pakistan

Electrical Engineering Department, Ghulam Ishaq Khan Institute of Engineering Sciences and Technology, Topi, Pakistan

National University of Science and Technology, Islamabad, Pakistan

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