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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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Carin, Muriel
Processes and Engineering in Mechanics and Materials
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (21/21 displayed)
- 2023A novel apparatus dedicated to the estimation of the thermal diffusivity of metals at high temperaturecitations
- 2023A novel hydraulic bulge test in hot forming conditionscitations
- 2022Conventional Meso-Scale and Time-Efficient Sub-Track-Scale Thermomechanical Model for Directed Energy Depositioncitations
- 2022Numerical modeling for large-scale parts fabricated by Directed Energy Depositioncitations
- 2018Design and development of an induction furnace to characterize molten metals at high temperatures
- 2018Investigation of the progressive hot die stamping of a complex boron steel part using numerical simulations and Gleeble testscitations
- 2014A model comparison to predict heat transfer during spot GTA weldingcitations
- 2014Influence of a pulsed laser regime on surface finish induced by thedirect metal deposition process on a Ti64 alloycitations
- 2013A model comparison to predict heat transfer during spot GTA weldingcitations
- 2013A model comparison to predict heat transfer during spot GTA weldingcitations
- 2012Influence of various process conditions on surface finishes induced by the direct metal deposition laser technique on a Ti-6Al-4V alloycitations
- 2012Surface Finish Issues after Direct Metal Deposition
- 2012Influence of various process conditions on surface finishes induced by the direct metal deposition laser technique on a Ti–6Al–4V alloycitations
- 20122D longitudinal modeling of heat transfer and fluid flow during multilayered
- 20122D longitudinal modeling of heat transfer and fluid flow during multilayered
- 20113D heat transfer model of hybrid laser Nd : Yag-MAG welding of a S355 steel and experimental validationcitations
- 20113D heat transfer model of hybrid laser Nd : Yag-MAG welding of a S355 steel and experimental validationcitations
- 2011Analysis of hybrid Nd:Yag laser-MAG arc welding processes.citations
- 2011Analysis of hybrid Nd:Yag laser-MAG arc welding processes.citations
- 2011Estimation of a source term in a quasi steady two-dimensional heat transfer problem: application to an electron beam weldingcitations
- 2006Thermo-mechanical modelling for the opening of electron-beam welded jointscitations
Places of action
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article
A novel apparatus dedicated to the estimation of the thermal diffusivity of metals at high temperature
Abstract
International audience ; In order to characterize thermophysical properties of high conductivity metallic materials, this work proposes a novel experimental apparatus supported by an analytical solution and a numerical simulation. The experimental set-up measures simultaneously the temperature evolutions on both the front and rear faces of a sample using a single detector following the high-speed thermography principle through a dedicated system of six mirrors. This innovative configuration allows to reach high temperatures in a controlled atmosphere without pollution by contact. A transient 2D-axisymmetric model is developed, considering heat transfer along the radius and thickness directions. In a first stage, the model is compared to a finite element model, then the estimation procedure is validated by a noised direct model. Afterwards, the experimental temperatures versus time are used to estimate the thermal diffusivity of pure iron and stainless steel 304 in the solid state at high temperature in a pollution-free environment. The estimated values for a temperature range between 1300 K and 1600 K are then compared with published data.