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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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Lezaack, Matthieu
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (8/8 displayed)
- 2024Heterogeneities in solid-state MLFS additively manufactured 7075 aluminium alloy
- 2024Processing, Microstructure and Mechanical Properties of Multi-layer Friction Surfacing in 7075 Aluminium Alloy
- 2023A Review on the Weldability of Additively Manufactured Aluminium Parts by Fusion and Solid-State Welding Processescitations
- 2023Enhancing performance of welded additively manufactured aluminium alloy components through friction stir welding
- 2023Heterogeneities in solid-state additively manufactured 7075 aluminium alloy
- 2022Dissimilar friction welding of NiTi shape memory alloy and steel reinforcing bars for seismic performancecitations
- 2022Reinforced concrete walls detailed with shape memory alloys: recent experimental and numerical investigations
- 2022Fracture of 7xxx aluminium alloys with tailored friction stir processed microstructures
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article
Dissimilar friction welding of NiTi shape memory alloy and steel reinforcing bars for seismic performance
Abstract
Integration of NiTi superelastic bars with steel reinforcing bars is a promising path for increasing the seismic performance of reinforced concrete structures. Welding of NiTi alloy to steel is however not straightforward with standard welding techniques. Friction welding is investigated for performing this dissimilar junction using both regular friction (forced controlled) and milling(position-controlled) machines. When adequate shortenings and forging forces are selected, the welds can withstand the tensile strength of the steel rebars. Failure actually occurs in the heat-affected zone of the steel bars. The intermetallic (IM) layer at the welded interface should be kept thin and cracks should be limited in the steel layer next to the interface in order to avoid early brittle interfacial cracking.