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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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| 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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| 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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Hartmann, Christoph
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (9/9 displayed)
- 2024New test rig for biaxial and plane strain states on uniaxial testing machines
- 2023Predicting the local solidification time using spherical neural networks
- 2023An artificial neural network approach on crystal plasticity for material modelling in macroscopic simulationscitations
- 2023Establishing Equal-Channel Angular Pressing (ECAP) for sheet metals by using backpressure: manufacturing of high-strength aluminum AA5083 sheetscitations
- 2023Analysis of the melting and solidification process of aluminum in a mirror furnace using Fiber-Bragg-Grating and numerical modelscitations
- 2022Localization of cavities in cast components via impulse excitation and a finite element analysiscitations
- 2021Combining Structural Optimization and Process Assurance in Implicit Modelling for Casting Partscitations
- 2021Feasibility of Acoustic Print Head Monitoring for Binder Jetting Processes with Artificial Neural Networkscitations
- 2019Data-Driven Compensation for Bulk Formed Parts Based on Material Point Trackingcitations
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article
Analysis of the melting and solidification process of aluminum in a mirror furnace using Fiber-Bragg-Grating and numerical models
Abstract
<jats:title>Abstract</jats:title><jats:p>In the search of an adequate real time strain measurement method in aluminum casting, the use of Fiber-Bragg-Grating (<jats:italic>FBG</jats:italic>) is being investigated with great interest. In order to do so, the behaviour of glass fiber sensors in a liquid aluminium alloy at temperatures up to 750°C is experimentally analysed in a laboratory environment. For better process understanding a simulation of the fiber alloy composite is conducted. FBG is an optical measurement method, which uses engraved Bragg reflectors in a 125 µm in diameter thick glass fiber. This reflector transmits most of the wavelengths but only reflects one specific wavelength. This specific wavelength can be measured and changes due to the axial strain on the grating by the fluid alloy reaction and by the changes in temperature. Using a so-called mirror furnace, several experiments with the fiber alloy composite are evaluated. These measurements are also the basis for the further understanding of hot tearing. The data gathered during the measurement campaign - both numerical and experimental - is used to parameterize a simulation. As a result, the understanding of the fiber alloy composite behaviour is expanded and a digital twin is modeled with MATLAB’s partial differential equation toolbox.</jats:p>