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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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Daniel, Christopher S.
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (10/10 displayed)
- 2022Finite Element Modeling of Hot Compression Testing of Titanium Alloyscitations
- 2021Quantifying Processing Map Uncertainties by Modeling the Hot-Compression Behavior of a Zr-2.5Nb Alloycitations
- 2021Superalloys & High Performance Materials - Lecture Course
- 2021Co-deformation and dynamic annealing effects on the texture development during alpha–beta processing of a model Zr-Nb alloycitations
- 2021Co-deformation and dynamic annealing effects on the texture development during alpha–beta processing of a model Zr-Nb alloycitations
- 2020On the observation of annealing twins during simulating β-grain refinement in Ti–6Al–4V high deposition rate AM with in-process deformationcitations
- 2019Direct Evidence for a Dynamic Phase Transformation during High Temperature Deformation in Ti-64 [Preprint]
- 2019A detailed study of texture changes during alpha–beta processing of a zirconium alloycitations
- 2019A detailed study of texture changes during alpha–beta processing of a zirconium alloycitations
- 2019Quantifying Processing Map Uncertainties by Modelling the Hot-Compression Behaviour of a Zr-2.5Nb Alloy [Preprint]
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document
Direct Evidence for a Dynamic Phase Transformation during High Temperature Deformation in Ti-64 [Preprint]
Abstract
A preprint of a conference paper for The 14th World Conference on Titanium, presented on June 10th - 14th, 2019 in Nantes France, to be published in MATEC Web of Conferences. Abstract: The microstructure of Ti-64 strongly affects the forming and in-service behaviour of aerospace components. The development of microstructure, including crystallographic texture, during thermomechanical processing involves changes caused by deformation, annealing and phase transformation. Recently, it has been reported that deformation and transformation occur concurrently, in a dynamic α → β transformation process, driven by the net flow softening it produces. Here, we present the results of an in-situ synchrotron diffraction experiment that aimed to detect and measure the extent of dynamic phase transformation during hot deformation and its contribution to the crystallographic texture of the alloy. Forged Ti-64 samples were deformed in uniaxial tension at 950°C and a strain rate of about 0.02 s-1, using an electro-thermal mechanical tester (ETMT) mounted on the I12:JEEP beamline at Diamond Light Source. By using a high energy 89 keV synchrotron X-ray beam and a fast acquisition rate (10 Hz) we were able to measure, during deformation, the internal elastic lattice strains in the two phases, the crystallographic texture of both phases and the α → β phase fraction. The results show, for the first time, direct evidence of dynamic transformation during isothermal hot deformation.