In the thesis there are presented results of computer simulation of casting solidification process, characteristics of solidification rate in several points as well as course of gradient change between these points. Based on the obtained results, an influence of initial conditions on temperature gradient during the solidification process was determined.
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In this paper the dependence between chemical composition, structure and cooling rate of Al-Si aluminium cast alloy was investigated. For studying of the structure changes the thermo-analysis was carried out, using the UMSA (Universal Metallurgical Simulator and Analyzer) device. For structure investigation optical and electron scanning microscopy was used, phase and chemical composition of the Al cast alloy also using qualitative point-wise EDS microanalysis.
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