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Estimation of Cast Iron Substitute Thermal Capacity Using the Experimental Data

Majchrzak E., Mendakiewicz J., Mochnacki B.

Archives of Metallurgy and Materials

2016

Vol. 61, iss. 1

307--314

In the paper the problem of the cast iron substitute thermal capacity estimation is discussed. This parameter appears when the macroscopic mathematical model of alloys solidification bases on the one domain method (fixed domain approach). In the case of cast iron the form of function describing the course of temperature-dependent thermal capacity is quite complex. Using the experimental data, in particular the measured cooling, heating curves at the set of points selected in the casting – mould domain the identification problem has been solved using the gradient methods. The results presented concern the gray iron 3.21% C and 1.9% Si.