Optimization of the protective enamel coatings composition for main pipelines in order to prevent technogenic accidents Part 2. Investigation of the effect of nickel oxide additives on the specific electrical conductivity of the model melt and the adhesion strength of ground enamel to steel

Dobrynina N.Yu.¹, Ph.D. of Chemical Sciences; Vatolina N.D.², Ph.D. of Chemical Sciences, Docent; Vatolin A.N.², Holder of an Advanced Doctorate (Doctor of Science) in Chemical Sciences, Full Professor
¹Ural Institute of State Fire Service of EMERCOM of Russia
²Ural Federal University

The article presents the results of a study of the specific electrical conductivity æ of an equimolar potassium borosilicate melt, which is the basis of a ground enamel for insulating main pipelines. It was found that in the solubility range of nickel oxide (up to 3.0 wt. % NiO) values of æ changed nonmonotonically with increasing NiO content.

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