The Effect of the Dispersion Nickel Slag Additive on the Strength of Ceramic Bricks

Abstract

The influence of the dispersion of the nickel slag additive on the strength of ceramic bricks based on low-melting clay of the Khalilovsky deposit in the Orenburg region and nickel slag from the dumps of OJSC "Combine Yuzhuralnickel" (Orenburg region) is considered. The study involves assessing the effect of the preparation method, the dispersion of the additive (nickel slag) on the microstructure of the finished samples. Using modern research methods with the involvement of high-tech equipment, the micro-and macrostructure of ceramic samples with the addition of slag in an amount of 5–60% is considered. The structure of the synthesized samples is studied by the method of mercury porosimetry depending on the percentage ratio of clay / slag and the fineness of grinding of the nickel slag additive. The data on the influence of the material composition of the clay / slag charge, the dispersity of the additive and the firing temperature on the strength of the prototypes are given, and an assessment is made of the technological feasibility of increasing the dispersion of the raw materials used. Intorduction