| 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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Tuominen, Jari
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (11/11 displayed)
- 2024Microstructure and tribological properties of solid lubricant-doped CMT-WAAMed Stellite deposits
- 2023High-speed laser cladding of chromium carbide reinforced Ni-based coatingscitations
- 2023Sliding wear behavior of Cold Metal Transfer cladded Stellite 12 hardfacings on martensitic stainless steelcitations
- 2022Investigation of thermal influence on weld microstructure and mechanical properties in wire and arc additive manufacturing of steelscitations
- 2022Directed energy deposition of AA7075 - effect of TiC nanoparticles on microstructurecitations
- 2022Directed energy deposition of AA7075 - effect of TiC nanoparticles on microstructurecitations
- 2019Laser Strip Cladding for Large Area Metal Depositioncitations
- 2018Sliding wear performance of metallic laser coatings against composite PTFE sealscitations
- 2017The effect of tungsten carbide particles content in a weld deposit on its abrasion resistancecitations
- 2017Effect of minor elements on solidification cracking and dilution of alloy 625 powders in laser claddingcitations
- 2016High performance corrosion resistant coatings by novel coaxial cold- and hot-wire laser cladding methodscitations
Places of action
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article
Directed energy deposition of AA7075 - effect of TiC nanoparticles on microstructure
Abstract
AA7075 alloy is a high-strength aluminum alloy with properties enhanced by heat treatments. However, like most high-strength aluminum alloys, AA7075 is non-weldable, as it suffers from hot cracking when it is welded or additively manufactured with fusion techniques. A proposed way to reduce the hot cracking tendency is by refining the microstructure by adding nucleation enhancers. In this study, AA7075 powder feedstock was functionalized with 1.7 and 3.4 vol.% TiC nanoparticles, printed with laser-directed energy deposition (DED), subjected to T6 heat treatment, and characterized with optical and electron microscopy, electron backscatter diffraction (EBSD), and hardness measurements. Although TiC was not homogeneously distributed in the aluminum matrix, the addition of TiC successfully suppressed hot cracking by inhibiting dendritic growth produced by increased and more uniform nucleation, which resulted in refined equiaxed grains, and thus enhanced the printability of the material.