THE RESEARCH OF THE FRACTURE PROCESS AND ANALYSIS OF THE FOUNDRY ERRORS OF DIE CASTINGS FROM HYPOEUTECTIC SILUMIN

Abstract

The research in the technology of production of die castings from hypoeutectic silumin which are nowadays deeply implemented in the rapidly developing automobile, shipping and airline industry aims to increase the manufacture and quality properties of the castings. A higher attention is paid to die castings inner quality which is characterized by a type and range of casting-related defects. In accordance with a specific character of this production technology, the major casting defects are cavities, Al2O3 particles and internal cold laps. The presenting contribution deals with the research of the fracture process and analysis of the foundry errors of die castings from hypoeutectic silumin.

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