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Dilatometric characterization of foundry sands

Břuska M., Beňo J., Cagala M., Jasinková V.

Archives of Foundry Engineering

2012

Vol. 12, iss. 2

9-14

The goal of this contribution is summary of physical - chemistry properties of usually used foundry silica and no - silica sands in Czech foundries. With the help of dilatometry analysis theoretical assumptions of influence of grain shape and size on dilatation value of sands were confirmed. Determined was the possibility of dilatometry analysis employment for preparing special (hybrid) sands with lower and/or more linear character of dilatation.