IMPROVEMENT OF CASTING TECHNOLOGY USING A LOST METHOD
Keywords:
Lost foam casting, refractory coating, coating thickness, casting quality, polystyrene pattern, heat transfer, gas evolution, molten metal, energy efficiency, environmental safety, complex castings, casting technology.Abstract
This article analyzes the industrial significance, technological advantages, and application areas of lost foam casting technology. Particular attention is paid to the effect of the refractory coating applied to the model surface on casting quality formation. The study examines the role of the coating as a thermal insulating layer and its influence on metal fluidity, heat transfer coefficient, and the removal of gaseous and liquid products formed during polystyrene decomposition. In addition, the necessity of a deeper investigation into the relationship between coating thickness and composition with other technological parameters, as well as their influence on casting properties, is substantiated. The results are important for optimizing the lost foam casting process, improving energy efficiency, ensuring environmental safety, and producing high-quality castings with complex geometry.
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