Comparison of measured and calculated thermophysical properties of nickel super-alloys
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Authors
Kalup, Aleš
Zlá, Simona
Kawuloková, Monika
Dobrovská, Jana
Smetana, Bedřich
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Hrvatsko Metalurško Društvo
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Abstract
Three real grades of nickel super-alloys (IN 713LC, IN 738LC and IN 792-5A) were investigated and values of temperatures
of phase transformations and latent heats of melting were obtained. All investigated quantities are very important
for thermodynamic and kinetic modelling. Moreover, these data are also valuable for a lot of software used for
technological processes modelling. Experimental values were obtained using Differential Thermal Analysis (DTA)
measurements. Calculations were performed using Thermo-Calc 3.1 software with the use of three different databases
(SSOL5, TTNI8 and TCNI6). Comparison and discussion of experimental and calculated data was performed.
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Subject(s)
nickel super-alloy, thermophysical properties, differential thermal analysis, latent heat of melting, temperatures of phase transformation
Citation
Metalurgija. 2016, vol. 55, no. 3, p. 345-348.