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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
Superplastic forming ability of as-cast AZ91 Mg alloy prepared by twin roll casting
Abstract
<p>In this study, the twin roll casting process has been utilized to prepare initial as-cast strip of AZ91 alloy that has been further tested in uniaxial tension at 325, 350 and 375 <sup>o</sup>C, and at strain rates from 10<sup>-2</sup> to 10<sup>-4</sup> s<sup>-1</sup>. The ability of AZ91 strip to undergo superplastic or superplastic-like deformation in longitudinal direction, in transverse direction, and in 45 degrees to longitudinal direction was investigated with no further thermal or thermomechanical processing applied prior to the testing. At temperature 350 <sup>o</sup>C and medium strain rate the maximum elongation reached almost 200% in direction parallel to the strip casting, however in the transverse and 45 degrees direction, different temperature, and at higher strain rates the maximum elongation was lower. Based on microstructural investigation by means of optical microscopy and scanning electron microscopy (SEM) it could be seen that continuous dynamic recrystallization of initial coarse dendritic as-cast microstructure during elevated temperature deformation is active and responsible for high elongations. Additional analysis is provided by means of a strain rate sensitivity characterization and its evolution with increased level of strain. Strain rate sensitivity of AZ91alloy increased with increasing level of strain from 0.20 to 0.33. © 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.</p>