A Multiscale Model of Heating-Remelting-Cooling in the Gleeble 3800 Thermo-Mechanical Simulator System

• Autorzy: Hojny M. , Głowacki M. , Bała P. , Bednarczyk W. , Zalecki W.

Identyfikatory

DOI

10.24425/amm.2019.126266

• Języki publikacji: EN

Abstrakty

EN

The paper presents a multi-scale mathematical model dedicated to a comprehensive simulation of resistance heating combined with the melting and controlled cooling of steel samples. Experiments in order to verify the formulated numerical model were performed using a Gleeble 3800 thermo-mechanical simulator. The model for the macro scale was based upon the solution of Fourier-Kirchhoff equation as regards predicting the distribution of temperature fields within the volume of the sample. The macro scale solution is complemented by a functional model generating voluminal heat sources, resulting from the electric current flowing through the sample. The model for the micro-scale, concerning the grain growth simulation, is based upon the probabilistic Monte Carlo algorithm, and on the minimization of the system energy. The model takes into account the forming mushy zone, where grains degrade at the melting stage – it is a unique feature of the micro-solution. The solution domains are coupled by the interpolation of node temperatures of the finite element mesh (the macro model) onto the Monte Carlo cells (micro model). The paper is complemented with examples of resistance heating results and macro- and micro-structural tests, along with test computations concerning the estimation of the range of zones with diverse dynamics of grain growth.

Słowa kluczowe

EN

DEFFEM package; finite element method; Monte Carlo method; physical simulation; computer simulation; mushy-zone; extra-high temperatures

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2019
• Tom: Vol. 64, iss. 1
• Strony: 401--412
• Opis fizyczny: Bibliogr. 21 poz., fot., rys., tab., wzory

Twórcy

autor

Hojny M.

• AGH University of Science and Technology, Faculty of Metals Engineering and Industrial Computer Science, Department of Applied Computer Science and Modelling, Al. Mickiewicza 30, 30-059 Krakow, Poland

autor

Głowacki M.

• AGH University of Science and Technology, Faculty of Metals Engineering and Industrial Computer Science, Department of Applied Computer Science and Modelling, Al. Mickiewicza 30, 30-059 Krakow, Poland
• The Jan Kochanowski University, Faculty of Mathematics and Natural Science, 5 Żeromskiego Str., 25-369 Kielce, Poland

autor

Bała P.

• AGH University of Science and Technology, Faculty of Metals Engineering and Industrial Computer Science, Department of Physical and Powder Metallurgy, Al. Mickiewicza 30, 30-059 Krakow, Poland
• AGH University of Science and Technology, Academic Centre for Materials and Nanotechnology, Al. Mickiewicza 30, 30-059 Krakow, Poland

autor

Bednarczyk W.

• AGH University of Science and Technology, Faculty of Metals Engineering and Industrial Computer Science, Department of Physical and Powder Metallurgy, Al. Mickiewicza 30, 30-059 Krakow, Poland

autor

Zalecki W.

• Institute for Ferrous Metallurgy, 12-14 K. Miarki Str., 44-100 Gliwice, Poland

Bibliografia

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Uwagi

EN

2. Development of methods for increasing computational efficiency of micro model supported by AGH grant no. 11.11.110.593

PL

3. Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2019).