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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Janik, Vit
Coventry University
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (31/31 displayed)
- 2024SEM-Guided Finite Element Simulation of Thermal Stresses in Multilayered Suspension Plasma-Sprayed TBCscitations
- 2023Study on the Influence of Nickel Additions on AA7020 Formability Under Superplastic Forming Like Conditionscitations
- 2023Cracking Behavior of Gd2Zr2O7/YSZ Multi-Layered Thermal Barrier Coatings Deposited by Suspension Plasma Spraycitations
- 2022High-Entropy Coatings (HEC) for High-Temperature Applications: Materials, Processing, and Propertiescitations
- 2022High-entropy coatings (HEC) for high-temperature applications : materials, processing, and propertiescitations
- 2020The role of microstructure and local crystallographic orientation near porosity defects on the high cycle fatigue life of an additive manufactured Ti-6Al-4Vcitations
- 2020Correlative analysis of interaction between recrystallization and precipitation during sub-critical annealing of cold-rolled low-carbon V and Ti–V bearing microalloyed steelscitations
- 2019A Gibbs Energy Balance Model for Growth Via Diffusional Growth-Ledgescitations
- 2018A phase-field model investigating the role of elastic strain energy during the growth of closely spaced neighbouring interphase precipitatescitations
- 2018Comparison of superplastic forming abilities of as‐cast AZ91 magnesium alloy prepared by twin roll casting and WE43 magnesium alloycitations
- 2018Quasi in-situ analysis of geometrically necessary dislocation density in α-fibre and γ-fibre during static recrystallization in cold-rolled low-carbon Ti-V bearing microalloyed steelcitations
- 2018Nano-mechanical properties of Fe-Mn-Al-C lightweight steelscitations
- 2017Interphase precipitation - An interfacial segregation modelcitations
- 2017Predicting the warm forming behavior of WE43 and AA5086 alloyscitations
- 2017A phase-field model for interphase precipitation in V-micro-alloyed structural steelscitations
- 2017In-situ characterisation of austenite/ferrite transformation kinetics and modelling of interphase precipitation inter-sheet spacing in V microalloyed HSLA steelscitations
- 2017In-situ heated stage scanning electron microscope analysis and characterisation of recrystallization behaviour of a 7000 series alloy with nickel additionscitations
- 2016Zn Diffusion and α-Fe(Zn) Layer Growth During Annealing of Zn-Coated B Steelcitations
- 2016Effect of grain size distribution on recrystallisation kinetics in a Fe-30Ni model alloy
- 2016Analysis of the extent of interphase precipitation in V-HSLA steels through in-situ characterization of the γ/α transformationcitations
- 2015Application of In-Situ Material Characterization Methods to Describe Role of Mo During Processing of Vbearing Micro-Alloyed Steels
- 2014Role of heating conditions on microcrack formation in zinc coated 22MnB5
- 2014Superplastic forming ability of as-cast AZ91 Mg alloy prepared by twin roll castingcitations
- 2014Elevated Temperature Deformation Behavior of High Strength Al-Cu-Mg-Ag Based Alloy Reinforced by TiB2 Particlescitations
- 2009Microstructural investigation of the failure mechanisms after creep exposure of Mg-Y-Nd-Zn-Mn alloycitations
- 2009Phase composition and morphology development in WE-type alloys modified by high Zn contentcitations
- 2008Creep behaviour of the creep resistant MgY3Nd2Zn1Mn1 alloycitations
- 2008Cavitation and grain boundary sliding during creep of Mg-Y-Nd-Zn-Mn alloycitations
- 2007Creepové Porušování Slitiny MgY3Nd2Zn1Mn1 Lité Metodou Squeeze Casting
- 2007Chemical composition of new copper alloys for machining and its effect on their susceptibility to corrosion crackingcitations
- 2007VLIV Množství Zn Na Mikrostrukturu A Mechanické Vlastnosti Litých Hořčíkových Slitin Typu Mg-Zn-Y-Nd
Places of action
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article
Cavitation and grain boundary sliding during creep of Mg-Y-Nd-Zn-Mn alloy
Abstract
Creep of squeeze-cast Mg-3Y-2Nd-1Zn-1Mn alloy was investigated at the constant load in the stress range of 30–80 MPa. Tensile creep tests were performed at 300 °C up to the final fracture. Several tests at 50 MPa were interrupted after reaching the steady state creep; and another set of creep tests was interrupted after the onset of ternary creep. Fraction of cavitated dendritic boundaries was evaluated using optical microscopy. Measurement of grain boundary sliding by observation of the offset of marker lines was carried out on the surface of the crept specimens after the test interruption by scanning electron microscopy and by confocal laser scanning microscopy. The results show that the dominant creep mechanism in this alloy is dislocation creep with minor contribution of the grain boundary sliding. Creep failure took place by the nucleation, growth and coalescence of creep cavities on the boundaries predominantly oriented perpendicular to the applied stress. Increasing amount of cavitated boundaries with time of creep exposure supports the mechanism of continuous cavity nucleation and growth.