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In the context of the recycling of waste from wrought aluminum alloys, especially food packaging, these were re-melted and cast into bars. The alloy thus obtained contains up to 2.0% Si, 0.8% Cu, 2.0% Fe, 2.5% Mn and other elements in tenths of %. The problem in its further processing is the porosity. Several methods were used to quantify it, of which the most accurate method was weighing. The disadvantage of this method is the requirements of the competence of the personnel as well as technical equipment. Other m...

Computer simulation of foundry processes is an essential part of a modern foundry. The role of the gating system, its design and different elements are important in casting. Experimental verification of the designed gating system for new castings is costly, timeconsuming and economically inefficient. Therefore, these processes in the foundry are replaced by computer simulation. A detailed analysis of the simulation results makes it possible to predict various risks that may cause a failure in the quality of castin...