J. Bajer
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View article: Modelling of Leading Edge Morphing by Using Geometrically Exact Beam Theory
Modelling of Leading Edge Morphing by Using Geometrically Exact Beam Theory Open
The goal of the presented work is to demonstrate a capability of a non-linear computational model for a leading edge morphing based on the geometrically exact Timoshenko beam theory implemented in the finite element method.The leading edge…
View article: Kirkendall Effect in Twin-Roll Cast AA 3003 Aluminum Alloy
Kirkendall Effect in Twin-Roll Cast AA 3003 Aluminum Alloy Open
The formation of an inhomogeneous structure with central segregation occurs in commercial twin-roll cast AA 3003 aluminum alloy. The segregations form as manganese, iron, and silicon-rich channels spread in the rolling direction. Diffusion…
View article: The Influence of Foils Thickness on Recrystallized Structure Observed during<i>In-Situ</i>Heating of AlMgScZr Alloy
The Influence of Foils Thickness on Recrystallized Structure Observed during<i>In-Situ</i>Heating of AlMgScZr Alloy Open
Journal Article The Influence of Foils Thickness on Recrystallized Structure Observed during In-Situ Heating of AlMgScZr Alloy Get access Miroslav Cieslar, Miroslav Cieslar Charles University, Faculty of Mathematics and Physics, Prague, Cz…
View article: The Evolution of Microstructure during Annealing of Al-Mg-Sc-Zr Alloy Deformed by Equal Channel Angular Pressing
The Evolution of Microstructure during Annealing of Al-Mg-Sc-Zr Alloy Deformed by Equal Channel Angular Pressing Open
The Al-Mg-Sc-Zr alloys exhibit reasonable mechanical properties (e.g.corrosion resistance, weldability, superplasticity) for application in many branches of the industry.They owe their strength mainly to coherent particles of Al3Sc or Al3(…
View article: Grain Structure and Microhardness Development of Twin-Roll Cast Aluminum Strips after Constrained Groove Pressing
Grain Structure and Microhardness Development of Twin-Roll Cast Aluminum Strips after Constrained Groove Pressing Open
Twin-roll cast aluminum strips based on EN AW 3003 alloy with a small addition of Zr and Cr further processed by constrained groove pressing (CGP) were studied in this work.Vickers microhardness measurements were used to investigate an inh…
View article: Transmission Electron Microscopy Study of Microstructure Evolution of Al-Mg-Sc Alloy after Annealing at 120°
Transmission Electron Microscopy Study of Microstructure Evolution of Al-Mg-Sc Alloy after Annealing at 120° Open
The Al-Mg-Sc alloys are used in aerospace and ship-building industry due to their good mechanical properties such as corrosion resistance, weldability and possibility for superplastic forming.Addition of Sc with Zr may further lead to enha…
View article: The Influence of Annealing on Microstructure and Microhardness of Twin-roll Cast Al-Mg-Sc-Zr Alloy
The Influence of Annealing on Microstructure and Microhardness of Twin-roll Cast Al-Mg-Sc-Zr Alloy Open
Twin-roll casting is an effective and energy-saving method enabling direct preparation of strips of the requested final thickness.However, due to high solidification rates and higher solid solution supersaturation a significantly different…
View article: Properties and microstructure of twin-roll cast Al-Mg alloy containing Sc and Zr
Properties and microstructure of twin-roll cast Al-Mg alloy containing Sc and Zr Open
The influence of Sc and Zr on microhardness and microstructure of twin-roll cast Al-Mg alloy was studied. A significant effect of Sc and Zr on hardening of the material after annealing in a temperature interval between 250 °C and 400 °C wa…
View article: Microstructure of Twin-roll Cast Al-Mg-Sc-Zr Alloy
Microstructure of Twin-roll Cast Al-Mg-Sc-Zr Alloy Open
A model twin-roll cast Al-Mg-Sc-Zr alloy was prepared and the evolution of microstructure during a step-by-step isochronal annealing was characterized by electron microscopy and light optical microscopy. Inhomogeneous structure with signif…
View article: Recrystallization in Multilayer Al99.99/AlMg3 Laminates Prepared by Accumulative Roll-Bonding
Recrystallization in Multilayer Al99.99/AlMg3 Laminates Prepared by Accumulative Roll-Bonding Open
Composite multilayer sheets from Al/AlMg3 with 32 alternating layers of Al and AlMg3 were prepared by accumulative roll-bonding and their thermal stability was studied.Recrystallized 2 mm thick sheets of a commercial twin-roll cast AlMg3 a…