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Chemical composition of (310) [100] symmetrical tilt grain boundary in Ni3Al
Čermák, Jiří
Structure of . .SIGMA.5 (310) [100] symmetrical tilt grain boundary in ordered intermetallic alloy Ni3Al was constructed and relaxed by Monte Carlo method using pair L-J - type interatomic potential. Three modified grain boundary structures were tested. They differed in chemical composition and in relative grain boundary energy. The configuration with the lowest grain boundary energy was enriched on nickel.
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Vybrané příklady našich výpočtů
Lencová, Bohumila ; Jánský, Pavel ; Zlámal, J.
The paper discusses the properties of the program EOD (Electron Optical Design), which contains interfaces for Windows, integrates all programs for 2D computations by the first order FEM, ray tracing in computed fields, simulation of electron and ion sources, and computation of space charge limited beams. Most parts of the software are in the beta development phase, and they are already used in a number of our projects. For example, it was used to simulate the behavior of ion optical systems for the ion beam deposition at TU Brno by including the plasma creation inside the ion gun as well as space charge effects in ion beams transported in the system. Electron guns with space charge effects can be computed as well, as illustrated on the example of the well-known Pierce electron gun. Graphical possibilities are illustrated on a 3D cut-away view of the electron gun for electron-beam welding
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The Management Of Stocks Of Spare Parts Logistics Chains
Vávriková, Lucia ; Kuncová, Martina (advisor) ; Zouhar, Jan (referee)
Thesis on the theme "The Management Of Stock Of Spare Parts Logistics Chains" deals with the specification of logistic chains, spare parts inventory management and functioning of these chains. The theoretical part focuses on the definition of the theoretical background needed to understand the functioning of these chains. It ranges from the definition of the logistics chain, through ABC analysis to the detailed characteristics of the chain of spare parts. Besides a general overview the thesis includes example from real practice. In the practical section, through simulation models thesis presents the operation and management of the spare parts logistics chains. The practical section shows the simulation model of the current situation and compares it with the model after the introduction of stock management in the company.
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