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International Journal of Advanced Engineering, Management and Science


Analysis of Electrical Porcelain Insulators from Local Clays

( Vol-2,Issue-9,September 2016 )

Author(s): Okolo Chidiebere C., Okeke Obinna, Icheke Linus E, Tagboh Peter I, Okoye Ngozi B



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Page No: 1645-1649
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Keywords:

clay, linear, porosity, porcelain, translucent, vitrification.

Abstract:

This paper focused on the chemical analysis of electrical porcelain insulators based on local clays. Test samples were made by conducting some chemical composition test using the Atomic Assumption Spectrophotometer (AAS). The clay samples were also tested for linear shrinkage and apparent porosity. Based on the results obtained, the linear shrinkage values recorded range from 7.29% to 14.29% for Iva Valley formulations, 5.14% to 14.71% for Nawfija and 7.74% to 10.29% for Ekwulobia. It was observed that linear shrinkage decreases as the content of non-plastic materials increases and increases as clay content increases. Iva Valley formulation recorded porosity values ranging from 8.84% to 20.80%. For Nawfija formulation, porosity values range from 10.81% to 17.30% while Ekwulobia formulations gave porosity values ranging from 9.52% to 16.82. Porcelain insulators that constitute the above results were found to have requisite properties that make them suitable for domestic production of porcelains insulators from the clay samples studied.

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