A high speed thermoanalytical method has been developed to determine the thermophysical properties of the powders used in thermal spraying. This method is based on heating the powder by means of an electron- or photon-beam in vessels made of materials with excellent heat conductivity. By comparing heating and melting behavior of powders with similar composition but different particle sizes and shapes, their properties can be determined. The suggested high speed thermoanalytical method makes it possible to investigate the heating and melting behavior of spray powders under high speed heating conditions. The results of the experiments, elaborated by this method can be used for further modeling work. Paper text in German.

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