| People | Locations | Statistics |
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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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Todd, Iain
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (15/15 displayed)
- 2024An in situ imaging investigation of the effect of gas flow rates on directed energy depositioncitations
- 2024An in situ imaging investigation of the effect of gas flow rates on directed energy depositioncitations
- 2023Controlling grain structure in metallic additive manufacturing using a versatile, inexpensive process control systemcitations
- 2023In situ TiC reinforced Ti6Al4V matrix composites manufactured via selective laser meltingcitations
- 2023Controlling grain structure in metallic additive manufacturing using a simple, inexpensive process control system
- 2019Exploiting thermal strain to achieve an in-situ magnetically graded materialcitations
- 2019Influence of solidification cell structure on the martensitic transformation in additively manufactured steelscitations
- 2017Atomic structure of Mg-based metallic glasses from molecular dynamics and neutron diffraction
- 2017Atomic structure of Mg-based metallic glasses from molecular dynamics and neutron diffractioncitations
- 2016On the use of cryomilling and spark plasma sintering to achieve high strength in a magnesium alloycitations
- 2016The Effectiveness of Hot Isostatic Pressing for Closing Porosity in Titanium Parts Manufactured by Selective Electron Beam Meltingcitations
- 2015New compositional design for creating tough metallic glass composites with excellent work hardeningcitations
- 2009Effect of phosphorus and strontium additions on formation temperature and nucleation density of primary silicon in Al-19 Wt Pct Si alloy and their effect on eutectic temperaturecitations
- 2006The Effect of Casting Variables on the Structure of Hypereutectic Al-Si Alloyscitations
- 2006Directly quenched bulk nanocrystalline (Pr, Dy)-(Fe, Co)-B-Zr-Ti hard magnetscitations
Places of action
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article
Exploiting thermal strain to achieve an in-situ magnetically graded material
Abstract
Spatially resolved functional grading is a key differentiator for additive manufacturing, achieving a level of control that could not be realised by conventional methods. Here we use the rapid solidification and thermal strain associated with selective laser melting to create an in-situ microstructurally and magnetically graded single-composition material, exploiting the solid-state austenite-martensite phase transformation. The fine grain sizes resulting from high cooling rates suppress the thermal martensite start temperature, increasing the proportion of retained austenite. Then the thermal strain accrued during the build causes in-situ deformation-driven martensitic transformation. By controlling the thermal strain, through appropriate selection of build parameters and geometry, we have been able to control the final ratio of austenite to martensite. Fully austenitic regions are paramagnetic, while dual-phase regions show increasingly ferromagnetic behaviour with an increasing proportion of martensite. We exploit this to build a magnetically graded rotor which we run successfully in a synchronous motor.