The Behaviour of Tuck-Stones in a Glass Tank Furnace

JSGT 1942 V26 T172-T176

The peritectic reaction mullite  → corundum + siliceous liquid occurred in a 40 per cent aluminous material used for tuck-stones in a glass tank furnace, and the liquid matrix flowed down the faces of the tank-blocks. The fluidity of the glassy matrix of a number of refractory specimens submitted for use as tuck-stones was examined by observing the creep under low tensile stress at 1350° and 1400°. The resistance to corrosion by soda-lime-silica glass was also tested, and as a result the aluminous material was replaced by silica with beneficial results which are described.

J. H. Partridge, B.Sc., Ph.D.