ISSUE 4/2011

/// 01
Pastirčák, R.; Urgela, D.; Brůna, M.; Influence of various opening materials on the mechanical properties and dilatation of moulding mixtures

This article deals with the results of measurements of mechanical properties of selected CT moulding mixtures with moulding sand based on the “air setting” method, measuring the shear strength, compressive strength and tensile strength. Furthermore, the article deals with the dilatation measuring of these compounds, where the measured dimensions of these moulding mixtures change under thermal influence. The moulding mixtures contain silicon sand as a base material and Novanol 165 as a binding material. These moulding mixtures were hardened by CO2. These mixtures varied in the grain size of the base material.




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