Thermophysical properties of 30MCDB64-M and 30NSCDV86-M cast steel in cast condition

This paper presents the results of complex investigations into the thermophysical properties of 30MCDB64-M and 30NSCDV86-M cast steel, including temperature conductivity, thermal conductivity, specific heat, thermal expansion and the change of density in the function of temperature. Measurements of temperature conductivity were performed using Laser Flash Analysis (LFA) in the temperature range 25-1000°C. Calorimetric investigations at temperatures from 25°C to 1300°C were performed by Differential Scanning Calorimetry (DSC), while changes in thermal expansion, thermal expansion coefficient and the measurement of density change in the temperature function were determined by the dilatometric method (DIL) in the temperature range from 25°C to 900°C. Changes in thermal conductivity in the temperature function were determined using mathematical algorithms of the Netzsch LFA Analysis 4.8.5 software.

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