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Gas evolution rate from heated moulding sands bonded with organic binders

100%

Siewiorek A. , Nowak R. , Chojecki A. , Mocek J.

2011

tom Vol. 11, iss. 1

87-92

This study is continuation of research on gas evolution rate from heated moulding sands used in the manufacture of foundry moulds. The first stage of the study described in [1] included bentonite-bonded sands. At the second stage, sands bonded with organic binders were tested. The composition of gases, evolved at a given temperature using mould heating system that simulates the process of mould pouring with molten metal, was determined. Metal was not used in these studies to prevent its reaction with gases formed as a result of moulding sand heating, since this effect would significantly impede the gas identification or even make it totally impossible.