Fast estimation of the phase diagram of a binary system using infrared thermography

Arial, 9pt, bold) A method based on infrared thermography for fast estimation of the phase diagram of solid-liquid binary systems has been developed. The method involves heating simultaneously a set of small crystals of a system A/B, with compositions ranging from 0%B/(A+B) to 100%B/(A+B), and to observe their thermal behavior with an infrared camera. Recorded data are then analyzed by Singular Value Decomposition techniques to identify liquidus and solidus lines. Different binary systems has been investigated and the results achieved have been compared with the phase diagrams determined by standard DSC testing, as well as with the phase diagrams predicted by thermodynamic modeling.