| 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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Labus Zlatanovic, Danka
Technische Universität Ilmenau
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (9/9 displayed)
- 2022Challenges and issues in continuum modelling of tribology, wear, cutting and other processes involving high-strain rate plastic deformation of metalscitations
- 2022Influence of Tool and Welding Parameters on the Risk of Wormhole Defect in Aluminum Magnesium Alloy Welded by Bobbin Tool FSWcitations
- 2021In-depth microscopic characterisation of the weld faying interface revealing stress-induced metallurgical transformations during friction stir spot weldingcitations
- 2021Influence of tool geometry and process parameters on the properties of friction stir spot welded multiple (AA 5754 H111) aluminium sheetscitations
- 2021Mechanical and Rheological Properties of Flowable Resin Composites Modified with Low Addition of Hydrophilic and Hydrophobic TiO2 Nanoparticlescitations
- 2021Effect of the degree of conversion on mechanical properties and monomer elution from self-, dual- and light-cured core compositescitations
- 2019Microstructure, Microhardness, and Wear Properties of Cobalt Alloy Electrodes Coated with TiO2 Nanoparticlescitations
- 2016GMAW Welding of MPM Sheets in Active Gascitations
- 2016Rutile Electrodes Enhanced with TiO<sub>2</sub> Nanoparticlescitations
Places of action
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article
Rutile Electrodes Enhanced with TiO<sub>2</sub> Nanoparticles
Abstract
<jats:p>In this study, a new method of incorporation of TiO<jats:sub>2</jats:sub> nano particles into the rutile coating of shielded metal arc welding (SMAW) is presented. In contrast to the conventional method of mixing of nano particles during coating fabrication, the infiltration by immersion method is used, enabling to modify already fabricated elecrodes. To assess the benefits from the incorporated nano particles, different immersion durations were applied: 30 s, 4 and 8 min. Chemical properties of welds obtained with unmodified and modified electrodes, microstructures, tensile properties, hardnesses, SEM of fracture surfaces and EDX analses of non-metallic inclusions were done. It was found that the highest tensile properties were obtained with medium immersion time, due to the grain refinement in the first (reheated zone) and the second pass (columnar zone). This phenomenon is caused by the presence of complex oxides formed around Ti from the dissociated TiO<jats:sub>2</jats:sub>. This causes the partial replacement of the Widmanstaetten ferrite with acicular ferrite and subsequent grain refinement in the reheated zone. At the highest immersion duration, the specimens exhibited the lowest mechanical properties due to the appearance of large grain allotriomorphic ferrite isles and large non-metallic inclusions that act as void nucleation sites.</jats:p>