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The paper deals with the study of phase transitions temperatures (mainly solidus and liquidus) with use of different thermal analysis methods. The key thermal analysis methods are at the present days DTA (Differential Thermal Analysis), DSC (Differential Scanning Calorimetry) and “direct” thermal analysis. The study presents the basic principles of these methods, characteristics, advantages and disadvantages. There are presented results from the high temperature region (above) 1000 °C with focus on the melting and solidifying region of multicomponent alloys such as steels. The paper discusses obtained results with three mentioned methods at heating/cooling process, with different loads of samples and other factors that can influence the obtained results. The evaluation of heating/cooling curves, DTA (DSC) – curves at heating and cooling is demonstrated. The obtained solidus and liquidus temperatures are compared and discussed.
Keywords: Thermal analysis, conditions, methodology, liquidus, solidus, steel© This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.