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Selected applications of ultrasonic method for moulding sand examination

Ciskowski S., Fita S., Mikulczyński T., Nowicki J.

Archives of Foundry Engineering

2007

Vol. 7, iss. 2

101-106

Selected applications of ultrasonic method for examining basic technological and rheological properties of traditional moulding sands are presented. The ultrasonic method permits evaluation of basic technological properties of moulding sands on the grounds of the correlation curves t = f(W), Rcw = f(E) and L = f(kC ,W). This allows also determining the kC and kT coefficients which define viscoelastic properties of moulding sands based on the relationships kC = f(vL) and kT = f(vL).