| 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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Vidal, Vanessa
IMT Mines Albi
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (37/37 displayed)
- 2024Multi-scale effects of the tool shape and length on the interfacial microstructure and the mechanical behaviour of Al2024/Ti-6Al-4V lap friction stir weldscitations
- 2024Mechanical characterization and behavior modelling of Ti-6Al-4V alloy in hot forming conditions
- 2021Influence of Austenitization Parameters on the Precipitation Sequence and the Chemical Homogenization of Austenite in a High-Performance Fe–Ni–Cr–Al–Ti–Mo Stainless Maraging Steelcitations
- 2021Initial microstructure influence on Ti-Al-Mo-V alloy’s superplastic deformation behavior and deformation mechanismscitations
- 2020Experimental Analysis and Behaviour Modelling of the Deformation Mechanisms of a Ti-6242S Alloy under Hot and Superplastic Forming Conditionscitations
- 2020Role of grain size and crystallographic texture on tensile behavior induced by sliding mechanism in Ti-6Al-4V alloycitations
- 2020Influence of strain rate and temperature on the deformation mechanisms of a fine-grained Ti-6Al-4V alloycitations
- 2020Experimental study of the superplastic and hot deformation mechanisms of a Ti-6Al-2Sn-4Zr-2Mo Titanium Alloycitations
- 2019Superplasticity of metastable ultrafine-grained Ti 6242S alloy: Mechanical flow behavior and microstructural evolutioncitations
- 2019Enhancement of superplasticity of the Ti-6Al-4V alloy via ultrafine grained heterogeneous microstructural control and metastable microstructural control
- 2019A correlation between tribological behavior and crystal structure of cobalt-based hardfacingscitations
- 2019Shear mode M3 in the first sites of ductile metallic alloys: Some considerations on the physical mechanisms leading to internal particle flowscitations
- 2019Multi-Scale Numerical Analysis of the Effect of Microstructural Features on the Mechanical Behavior of Polycrystalline Ti-6Al-4V Alloy
- 2019An optimization of the local hall-petch relationship using slip trace analysis technique and scale transition rules: application in equiaxed ti-6al-4v titanium alloy
- 2019Experimental study of the superplastic and hot deformation mechanisms of a Ti-6Al-2Sn-4Zr-2Mo Titanium Alloycitations
- 2018Superplasticity in Fine Grain Ti-6Al-4V Alloy: Mechanical Behavior and Microstructural Evolutioncitations
- 2018Superplastic Property of the Ti-6Al-4V Alloy with Ultrafine-Grained Heterogeneous Microstructurecitations
- 2018Mechanical Behavior of Ti-6Al-2Sn-4Zr-2Mo Titanium Alloy under Hot and Superplastic Forming Conditions: Experiment and Modelingcitations
- 2018Characterization and modeling of forged Ti-6Al-4V Titanium alloy with microstructural considerations during quenching processcitations
- 2017Mechanisches Verhalten einer Ti-6Al-4?V-Titanlegierung mit mikrostruktureller Evolutionsmodellierung unter warmen und superplastischen Bedingungen ; Mechanical behavior of a Ti-6Al-4 V titanium alloy with microstructural evolution modeling under hot and superplastic conditionscitations
- 2017Characterization of the mechanical properties of thermal barrier coatings by 3 points bending tests and modified small punch testscitations
- 2017Mechanical properties of yttria-stabilised-zirconia for thermal barrier coating systems : effects of testing procedure and thermal aging
- 2016Hot Forming Process Analysis of Ti6Al-4V Alloy: Experiment, Behaviour Modelling and Finite Element Simulationcitations
- 2016Behavior modelling and microstructural evolutions of Ti-6Al-4V alloy under hot forming conditionscitations
- 2015Hot Forming Process Analysis of Ti6Al-4V Alloy: Experiment, Behaviour Modelling and Finite Element Simulationcitations
- 2015Plastic strain of cobalt-based hardfacings under friction loadingcitations
- 2015Thermomechanical behaviour and microstructural evolution of high temperature forged Ti-6Al-4V during heat treatment quenching
- 2014Optimized sol–gel thermal barrier coatings for long-term cyclic oxidation lifecitations
- 2014Optimized sol–gel thermal barrier coatings for long-term cyclic oxidation lifecitations
- 2014Investigation of the mechanical behaviour of Ti-6Al-4V alloy under hot forming conditions: Experiment and modellingcitations
- 2014Feasibility of luminescent multilayer sol-gel thermal barrier coating manufacturing for future applications in through-thickness temperature gradient sensingcitations
- 2014Microstructural control of new generation thermal barrier coatings via a sol-gel route : cyclic oxidation behaviour
- 2014A wear damage assessment of high temperature forging toolcitations
- 2012Experimental Study of the Deformation Mechanisms in Textured Alpha-titanium Alloy Sheets
- 2011Experimental Study of the Deformation Mechanisms in Textured Alpha-titanium Alloy Sheets
- 2009A new criterion for elastoplastic transition in nanomaterials: Application to size and composite effects on Cu-Nb nanocomposite wires.citations
- 2006Effects of size and geometry on the plasticity of high strength copper/tantalum nanofilamentary conductors obtained by severe plastic deformationcitations
Places of action
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conferencepaper
Microstructural control of new generation thermal barrier coatings via a sol-gel route : cyclic oxidation behaviour
Abstract
International audience ; For several years, turbojet engineers have been searching to increase the efficiency of engines in order to enhance their performances. This can be achieved via the increase of engine service temperature which may dramatically damage the materials used, namely for turbine blades made of single crystal nickel based superalloys. To protect and extend lifetime of those materials, they are generally coated with thermal barriers either deposited using the so-called EB-PVD or APS process, respectively resulting in typically directional columnar and lamellar microstructures. In this study, an alternative process is proposed. It consists to elaborate thermal barriers by sol-gel route, a room temperature method based on soft chemistry, object of several research investigations, showing a real interest for the synthesis of materials with controlled morphology and composition [1,2]. Relative to elaboration step, an initial sequence consists in coating the superalloy with an yttria stabilised zirconia composite sol by dip-coating at controlled speed. This allows to obtain a homogeneous coating with an equi-distributed porosity. Two types of commercial dispersants have been investigated for the implementation in the composite sol, Beycostat C213 and the PVP whose active chemical groups are similar but formulations and physicochemical characteristics are different. After adjustements of the parameters of both synthesis sintering heat treatment, ceramic coating shows a satisfactorily controlled microstructure. According to the nature of the dispersant incorporated, it is shown that the width of micro-cracks of ceramics varies, this controlled micro-cracking being nevertheless favourable for accommodating thermomechanical constraints exerted on the TBC during cyclic oxidation. The next step includes the reinforcement of the micro-crack network. Indeed, filling grooves with additional material has the virtue to strengthen the TBC and ultimately increase the lifetime of the system. The shaping technique ...