Search Results - "Olagnon, Christian"

Instrumented Indentation of Super-Insulating Silica Compacts by Benane, Belynda, Meille, Sylvain, Foray, Geneviève, Yrieix, Bernard, Olagnon, Christian

“…Highly porous silica compacts for superinsulation were characterized by instrumented indentation. Samples showed a multi-scale stacking of silica particles…”
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Subcritical Crack Propagation in 3Y-TZP Ceramics: Static and Cyclic Fatigue by Chevalier, Jerome, Olagnon, Christian, Fantozzi, Gilbert

“…A detailed analysis of crack propagation in tetragonal zirconia polycrystals doped with 3 mol% of Y2O3 (3Y‐TZP) ceramics is presented. Crack propagation tests…”
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Determination of the Young's Modulus of a TiN Thin Film by Nanoindentation: Analytical Models and FEM Simulation by Isselé, Hélène, Mercier, David, Parry, Guillaume, Estevez, Rafael, Vignoud, Lionel, Olagnon, Christian

“…The Young's modulus of a titanium nitride thin film has been investigated in this study by means of nanoindentation technique. Nanoindentation measurements…”
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Slow crack growth and hydrothermal aging stability of an alumina-toughened zirconia composite made from La2O3-doped 2Y-TZP by Zhang, Fei, Chevalier, Jérôme, Olagnon, Christian, Meerbeek, Bart Van, Vleugels, Jef

“…A very tough zirconia matrix is interesting to fabricate alumina-toughened zirconia (ATZ) and composites generally processed from 3Y-TZP do not exhibit very…”
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Earthen construction: an increase of the mechanical strength by optimizing the dispersion of the binder phase by Moevus, Mariette, Jorand, Yves, Olagnon, Christian, Maximilien, Sandrine, Anger, Romain, Fontaine, Laetitia, Arnaud, Laurent

“…Although of interest for its low embodied energy content for construction, earth is usually not used for modern construction due to the expensive, artisanal…”
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Multiscale structure of super insulation nano-fumed silicas studied by SAXS, tomography and porosimetry by Benane, Belynda, Baeza, Guilhem P., Chal, Bruno, Roiban, Lucian, Meille, Sylvain, Olagnon, Christian, Yrieix, Bernard, Foray, Geneviève

“…We focus on describing the multi-scale structure of a fumed silica characterized by remarkably low thermal conductivity (ca. 2–5 mW m−1 K−1) when used as a…”
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Mechanical characterization of highly porous inorganic solids materials by instrumented micro-indentation by Clément, P., Meille, S., Chevalier, J., Olagnon, C.

“…This study focuses on the mechanical characterization of highly porous inorganic solids through spherical micro-indentation. The mechanical properties of a…”
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Towards poured earth construction mimicking cement solidification: demonstration of feasibility via a biosourced polymer by Pinel, A., Jorand, Y., Olagnon, C., Charlot, A., Fleury, E.

“…The feasibility of building with earth in the same and simple way as cement-based concrete has been demonstrated as an environmental-friendly alternative…”
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Slow crack growth and hydrothermal aging stability of an alumina‐toughened zirconia composite made from La 2 O 3‐doped 2Y‐TZP by Zhang, Fei, Chevalier, Jérome, Olagnon, Christian, van Meerbeek, Bart, Vleugels, Jef

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Slow crack growth resistance of electrically conductive zirconia-based composites with non-oxide reinforcements by Zhang, Fei, Chevalier, Jérôme, Olagnon, Christian, Huang, Shuigen, Veulemans, Wout, Vanmeensel, Kim, Vleugels, Jef

“…Slow crack growth (SCG) behavior of four zirconia-based composites reinforced with 40 vol% WC, TiC, NbC or TiCN were studied by means of double-torsion…”
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Grain-Boundary Engineering for Aging and Slow-Crack-Growth Resistant Zirconia by Zhang, F., Chevalier, J., Olagnon, C., Batuk, M., Hadermann, J., Van Meerbeek, B., Vleugels, J.

“…Ceramic materials are prone to slow crack growth, resulting in strength degradation over time. Although yttria-stabilized zirconia (Y-TZP) ceramics have higher…”
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3D study of the competitions between shear yielding and crazing for a variable thickness on ductile polymers by Guo, Shu, Torres, Dery, Weygand, Sabine, Olagnon, Christian, Estevez, Rafael

“…The influence of the thickness in mode I fracture tests is investigated with extensive 3D finite elements calculations. A realistic constitutive law for the…”
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Spray-drying of highly concentrated nano alumina dispersions by Cottrino, S., Jorand, Y., Adrien, J., Olagnon, C.

“…The strength of a ceramic is limited by its defect population. When processed by dry pressing of spray-dried granules, porosities resulting from the presence…”
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Strain-hardening influence on iodine induced stress corrosion cracking of Zircaloy-4 by Fregonese, Marion, Olagnon, Christian, Godin, Nathalie, Hamel, Alain, Douillard, Thierry

“…The iodine induced stress corrosion cracking (SCC) of recrystallized Zircaloy-4 is first intergranular, and then turns to transgranular propagation, before…”
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Thermomechanical Behavior of High-Alumina Refractory Castables with Synthetic Spinel Additions by Simonin, Fabien, Olagnon, Christian, Maximilien, Sandrine, Fantozzi, Gilbert, Diaz, Luiz Antonio, Torrecillas, Ramon

“…The thermomechanical behavior of a high‐alumina refractory that contains 10 wt% of synthetic spinel has been studied. Results have been correlated with the…”
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Global description of crack propagation in ceramics by Olagnon, C., Chevalier, J., Pauchard, V.

“…The subject of crack propagation in brittle materials is sometimes confusing, since many terms or concepts are not always clearly defined, as toughness,…”
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Oxidation of φ′-aluminium oxynitride by Xolin, E., Jorand, Y., Olagnon, C., Gremillard, L.

“…► Oxidation of φ′-AlON has been studied for the first time. ► First corrosion products are γ-alumina. ► Low density α-alumina is formed at high temperature. ►…”
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Cyclic fatigue and lifetime of a concrete refractory by Thummen, F., Olagnon, C., Godin, N.

“…The mechanical behaviour of a quasi-brittle cement concrete refractory, submitted to tensile cyclic and static loading was studied at room temperature. Delayed…”
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Thermal shock behaviour of mullite ceramic by Hamidouche, M, Bouaouadja, N, Olagnon, C, Fantozzi, G

“…The aim of this work is to study some aspects of the thermal shock of mullite ceramic. Mullite samples are submitted to mild thermal shock by quenching in a…”
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Calibration of a viscoplastic cohesive zone for the description of crazing in PMMA by Saad-Gouider, Nesrine, Estevez, Rafael, Olagnon, Christian, Seguela, Roland

“…In a numerical analysis of mode I fracture in amorphous polymers, Estevez et al. [Estevez R, Tijssens MGA, Van der Giessen E. Modelling of the competition…”
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