A new design has been developed for the cars of PG-30 tunnel furnaces used to fire ceramic parts employed in the casting of aircraft engines. The refractory layer of the cars’ lining is made of several slabs that are joined to one another. The slabs are made of a specially developed mullite-corundum material with improved heat resistance. Use of the new cars has lengthened the time between routine repairs and reduced maintenance costs. The service life of the cars at temperatures up to 1600°C has been increased by a factor of 1.5.
Refractories and Industrial Ceramics – Springer Journals
Published: Feb 18, 2012
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