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Simulacije strukture zrn aluminijevih zlitin z metodo celičnih avtomatov
ID Govže, Viktor (Author), ID Šarler, Božidar (Mentor) More about this mentor... This link opens in a new window

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Abstract
Razvita in numerično implementirana je simulacija mikrostrukture in mikroizcejanja v dveh dimenzijah za problem strjevanja večsestavinskih aluminijevih zlitin. Iz makroskopskega simulacijskega okolja za polkontinuirno litje je pridobljena temperaturna zgodovina za del področja na katerem je simulirana mikrostruktura. Upoštevana je heterogena nukleacija in anizotropna površinska energija. Postopek reševanja temelji na kombinaciji metode celičnih avtomatov in končnih volumnov. Na podlagi lineariziranega diagrama je doseženo kvalitativno ujemanje izračunov zlitine EN AW-2011 z eksperimentalnimi podatki.

Language:Slovenian
Keywords:aluminijeve zlitine, mikrostruktura, celični avtomati, metoda končnih volumnov, lineariziran fazni diagram, ukrvljenost
Work type:Final paper
Typology:2.11 - Undergraduate Thesis
Organization:FS - Faculty of Mechanical Engineering
Place of publishing:Ljubljana
Publisher:[V. Govže]
Year:2020
Number of pages:XIII, 40 f.
PID:20.500.12556/RUL-119186 This link opens in a new window
UDC:620.18:669.715(043.2)
COBISS.SI-ID:28141059 This link opens in a new window
Publication date in RUL:04.09.2020
Views:1510
Downloads:188
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GOVŽE, Viktor, 2020, Simulacije strukture zrn aluminijevih zlitin z metodo celičnih avtomatov [online]. Bachelor’s thesis. Ljubljana : V. Govže. [Accessed 24 March 2025]. Retrieved from: https://repozitorij.uni-lj.si/IzpisGradiva.php?lang=eng&id=119186
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Secondary language

Language:English
Title:Simulation of grain structure of aluminum alloys with cellular automata method
Abstract:
Simulation of grain structure and microsegregation of multicomponent aluminum alloys during solidification is developed and numerically implemented. Input temperature history for microstructure development is obtained from macroscopic simulation environment for semi-continuous casting. Heterogenous nucleation is taken into account, as well as anisotropic surface energy. The solution process is based on combination of cellular automata and finite volume method. Using linearized phase diagram, qualitative agreement of simulation results and experimental data for alloy EN AW-2011 is obtained.

Keywords:aluminum alloys, microstructure, cellular automata, finite volume method, linearized phase diagram, curvature

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