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A Study of the Chemical Resistance and Hardness of Epoxy Reinforced by Magnesium Oxide and Charcoall Activated Particles

Author: Nabil KadhimTaieh
Journal: Engineering and Technology Journal مجلة الهندسة والتكنولوجيا ISSN: 16816900 24120758 Year: 2016 Volume: 34 Issue: 5 Part (A) Engineering Pages: 950-958
Publisher: University of Technology الجامعة التكنولوجية

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Abstract

In this research, some samples from Epoxy with Magnesium oxide and charcoal activated Particles as filler in different weight percent (1, 3, and 6) wt. % have been prepared. Chemical resistance test has been done using simple immersion test in different periods of time and the immersion done in different solutions (1N NaOH, 1N HCL and 25 g of NaCl per litter of distilled water). Shore (A) hardness tests were carried out on the prepared samples before and after the immersion into distilled water, (1N HCl) acid, (1N NaOH) and 25 g of NaCl per litter of distilled water with normality (1). The results exhibited increase in chemical resistance and hardnessvalues increase with increasing magnesium oxide and charcoal activated ratio. The maximum hardness was observed in the case of epoxy -6wt% MgOcomposites i.e. 108.8 and least chemical resistance in the case of pure epoxy being 4.885% in NaOH.

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