Temat: hot rolling - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Digital twins as a modern approach to design of industrial processes
Autorzy:: Rauch, Lukasz
Pietrzyk, Maciej
Powiązania:: https://bibliotekanauki.pl/articles/100193.pdf
Data publikacji:: 2019
Wydawca:: Wrocławska Rada Federacji Stowarzyszeń Naukowo-Technicznych
Tematy:: computer system
hot rolling
optimization
Opis:: The objective of the paper was to describethe concept of a virtual, digital equivalent to a physical process. The basic idea of the virtual counterpart for the process called a digital twin is described first. Following this the hybrid computer system dedicated to the design of the optimal manufacturing technology for thin steel strips is presented. The models used in the system and the database are described. Numerical tests showing capabilities of the system recapitulate the work.
Źródło:: Journal of Machine Engineering; 2019, 19, 1; 86-97
1895-7595
2391-8071
Pojawia się w:: Journal of Machine Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Thermal-mechanical finite element simulation of flat bar rolling coupled with a stochastic model of microstructure evolution
Autorzy:: Szeliga, Danuta
Czyżewska, Natalia
Kusiak, Jan
Kuziak, Roman
Morkisz, Paweł
Oprocha, Piotr
Pietrzyk, Maciej
Piwowarczyk, Michał
Poloczek, Łukasz
Przybyłowicz, Paweł
Rauch, Łukasz
Wolańska, Natalia
Powiązania:: https://bibliotekanauki.pl/articles/29520070.pdf
Data publikacji:: 2022
Wydawca:: Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:: flat bars
hot rolling
thermal-mechanical finite element model
microstructure evolution
stochastic model
Opis:: It is generally recognized that the kinetics of phase transformations during the cooling of steel products depends to a large extent on the state of the austenite after rolling. Austenite deformation (when recrystallization is not complete) and grain size have a strong influence on the nucleation and growth of low-temperature phases. Thus, the general objective of the present work was the formulation of a numerical model which simulates thermal, mechanical and microstructural phenomena during multipass hot rolling of flat bars. The simulation of flat bar rolling accounting for the evolution of a heterogeneous microstructure was the objective of the work. A conventional finite-element program was used to calculate the distribution of strains, stresses, and temperatures in the flat bar during rolling and during interpass times. The FE program was coupled with the stochastic model describing austenite microstructure evolution. In this model, the random character of the recrystallization was accounted for. Simulations supplied information about the distributions of the dislocation density and the grain size at various locations through the thickness of the bars.
Źródło:: Computer Methods in Materials Science; 2022, 22, 3; 137-148
2720-4081
2720-3948
Pojawia się w:: Computer Methods in Materials Science
Dostawca treści:: Biblioteka Nauki

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