| 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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Vallazza-Grengg, Cyrill
Graz University of Technology
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (26/26 displayed)
- 2024Alkali activated steel slag – oil compositescitations
- 2023Mineral Residues and By-Products Upcycled into Reactive Binder Components for Cementitious Materialscitations
- 2023New Insights into the Carbonation Process of Mortars and Concretescitations
- 2023Concrete corrosion analysis using optical chemical sensors and imaging
- 2023Corrosion Resistance of Calcium Aluminate Cements in Sewer Environmentscitations
- 2023Application of electron beam welding technique for joining coarse-grained and ultrafine-grained plates from Al-Mg-Si alloycitations
- 2023Optical sensors for the durability assessment of cement-based infrastructure
- 2023Impact of humidity and vegetable oil addition on mechanical properties and porosity of geopolymerscitations
- 2023Concrete Corrosion Characterization Using Advanced Microscopic and Spectroscopic Techniques
- 2022Report of RILEM TC 281-CCCcitations
- 2022Acid resistance of alkali-activated materials: recent advances and research needscitations
- 2022In situ pH monitoring in accelerated cement pastescitations
- 2021Material Characterization of Geopolymer Mortar for its beneficial Use in Composite Constructioncitations
- 2021Continuous optical in-situ pH monitoring during early hydration of cementitious materialscitations
- 2021Cu- and Zn-doped alkali activated mortar – Properties and durability in (bio)chemically aggressive wastewater environmentscitations
- 2021Material Characterization of Geopolymer Concrete for Its Beneficial Use in Composite Construction
- 2021Durability of clinker reduced shotcrete: Ca2+ leaching, sintering, carbonation & chloride penetrationcitations
- 2020Long-term in situ performance of geopolymer, calcium aluminate and Portland cement-based materials exposed to microbially induced acid corrosioncitations
- 2019High-resolution optical pH imaging of concrete exposed to chemically corrosive environmentscitations
- 2018Advances in concrete materials for sewer systems affected by microbial induced concrete corrosioncitations
- 2018Microbial induced acid corrosion from a field perspective-Advances in process understanding and construction material developmentcitations
- 2018Wide-range optical pH imaging of cementitious materials exposed to chemically corrosive environmentscitations
- 2018OPTICAL PH IMAGING OF CONCRETE EXPOSED TO CHEMICALLY CORROSIVE ENVIRONMENTS
- 2018MICROBIAL INDUCED ACID CORROSION FROM A FIELD PERSPECTIVE – ADVANCES IN PROCESS UNDERSTANDING AND CONSTRUCTION MATERIAL DEVELOPMENT
- 2017The decisive role of acidophilic bacteria in concrete sewer networkscitations
- 2016Concrete corrosion in an Austrian sewer system
Places of action
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article
Application of electron beam welding technique for joining coarse-grained and ultrafine-grained plates from Al-Mg-Si alloy
Abstract
<p>In the present work, the attempt to weld coarse (CG) and ultrafine-grained (UFG) Al-Mg-Si alloy using an electron beam welding technique has been taken. Welding parameters were selected in a way to reduce the energy input, and thus the heat-affected zone (HAZ) and the evaporation of elements with high saturated vapor pressure. The UFG microstructure was beneficial in obtaining smaller grains in the fusion zone (FZ) and HAZ, resulting in higher mechanical strength than weldments from CG Al-Mg-Si alloy. The weld efficiency for CG alloy was 80 %, while for the UFG sample - 68 % (82 %, compared to CG base material). The reasons for a drop in mechanical properties in the FZ were a dissolution of strengthening precipitates and an increase in grain size. Also, the evaporation of Mg (alloying element) and Zn (impurity) occurred to a larger extent. The rupture in both welds occurred in the columnar dendritic area in the FZ, characterized by the elongated dendrites and cube texture that favoured the rupture.</p>