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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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Mirihanage, Wu
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (24/24 displayed)
- 2023The influence of a large build area on the microstructure and mechanical properties of PBF-LB Ti-6Al-4V alloycitations
- 2023Solidification microstructure variations in additively manufactured Ti-6Al-4V using laser powder bed fusioncitations
- 2022Decisive influence of critical process parameters on the microstructure and tensile properties of friction stir back extruded magnesium alloy tubescitations
- 2021Synchrotron X-ray observation of flow evolution during fusion welding.
- 2021Solidification microstructure and residual stress correlations in direct energy deposited type 316L stainless steelcitations
- 2021Understanding thermal exfoliation of h-BN using in situ X-ray diffraction
- 2020Impact failure in two silicates revealed by ultrafast, in situ, synchrotron X-ray microscopycitations
- 2020In-situ probing of the thermal treatment of h-BN towards exfoliationcitations
- 2016The use of in situ X-ray imaging methods in the research and development of magnesium-based grain-refined and nanocomposite materialscitations
- 2015Ultra-fast in-situ X-ray studies of evolving columnar dendrites in solidifying steel weld poolscitations
- 2015Equiaxed dendritic solidification and grain refiner potency characterised through in situ X-radiographycitations
- 2014Time-resolved X-ray diffraction studies of solidification microstructure evolution in weldingcitations
- 2013In-situ X-ray radiographic observations of eutectic transformations in Al-Cu alloys
- 2013Combined in situ X-ray radiographic observations and post-solidification metallographic characterisation of eutectic transformations in Al-Cu alloy systemscitations
- 2012Simulation of international space station microgravity directional solidification experiments on columnar-to-equiaxed transitioncitations
- 2012A combined enthalpy/front tracking method for modelling melting and solidification in laser weldingcitations
- 2012In-situ observation of transient columnar dendrite growth in the presence of thermo-solutal convectioncitations
- 2011Effects of gravity on the columnar to equiaxed transition in directional solidification
- 2011Numerical modelling of the Material Science Lab - Low Gradient Furnace (MSL-LGF) microgravity directional solidification experiments on the columnar to equiaxed transitioncitations
- 2011Investigation of columnar-to-equiaxed transition in solidification processing of AlSi alloys in microgravity - The CETSOL projectcitations
- 2010Prediction of as-cast grain size distribution from a model of equiaxed solidification with free dendrite transport
- 2009Prediction of columnar to equiaxed transition in alloy castings with convective heat transfer and equiaxed grain transportation
- 2009Comparison of nucleation and growth mechanisms in alloy solidification to those in metallic glass crystallisation - Relevance to modelingcitations
- 2009Combined analytical/numerical modelling of nucleation and growth during equiaxed solidification under the influence of thermal convectioncitations
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article
Solidification microstructure variations in additively manufactured Ti-6Al-4V using laser powder bed fusion
Abstract
Laser powder bed fusion (LPBF) offers unique opportunities to produce metallic components without conventional design and manufacturing constraints. During additive manufacturing process, titanium alloys like Ti-6Al-4V undergo solid-state transformation that conceals initial solidification microstructure from room-temperature observations. Revealing the as-solidified microstructure can be critical to understanding the early stages of solidification. Using orientation relationships between parent (α) and child (β) phases, the as-solidified microstructures across the LPBF build volume has been reconstructed. Based on the as-solidified parent phase information, variations of the thermal and solidification conditions that occur during the LPBF of Ti-6Al-4V are revealed. The results show that how high cooling rates in the initially solidified lower layers contributed to orientation distribution during parent phase solidification, compared to upper layers in the build volume. Furthermore, the approach demonstrates the potential to further explore solidification microstructure and defect formation in titanium alloys during additive manufacturing.