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000894626 0247_ $$2ISSN$$a1938-6737
000894626 0247_ $$2ISSN$$a2151-2051
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000894626 037__ $$aFZJ-2021-03323
000894626 082__ $$a540
000894626 1001_ $$0P:(DE-HGF)0$$aAbaza, Amira$$b0$$eCorresponding author
000894626 245__ $$aFracture of Porous Ceramics: Application to the Mechanical Degradation of Solid Oxide Cell During Redox Cycling
000894626 260__ $$aPennington, NJ$$c2021
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000894626 520__ $$aA model based on the Phase Field approach has been developed to simulate the local fracture in porous electrode microstructures. The model capacity to predict the crack nucleation and propagation has been studied with theoretical considerations. For the model validation, micro-compression tests have been performed on porous YSZ micro-pillars. As expected, the compressive fracture strength has been found to decrease with the material porosity. Moreover, a transition in fracture mode has been detected from a brittle behavior toward a local damage when increasing the porosity. It has been shown that the model is able to reproduce correctly the experimental results. The validated model has been used to simulate the fracture of the YSZ backbone induced by the Ni re-oxidation in a typical Ni-YSZ cermet. The generation and localization of the micro-cracks have been discussed according to the degree of Ni re-oxidation and the local morphology of the electrode microstructure.
000894626 536__ $$0G:(DE-HGF)POF4-1231$$a1231 - Electrochemistry for Hydrogen (POF4-123)$$cPOF4-123$$fPOF IV$$x0
000894626 536__ $$0G:(GEPRIS)275388933$$aDevelopment of improved anodes in solid oxide fuel cells for conversion of synthesis gas from thermo-chemical gasification of biomass (275388933)$$c275388933$$x1
000894626 536__ $$0G:(DE-Juel1)SOFC-20140602$$aSOFC - Solid Oxide Fuel Cell (SOFC-20140602)$$cSOFC-20140602$$fSOFC$$x2
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000894626 7001_ $$0P:(DE-HGF)0$$aMeille, Sylvain$$b1
000894626 7001_ $$0P:(DE-HGF)0$$aNakajo, Arata$$b2
000894626 7001_ $$0P:(DE-HGF)0$$aLeguillon, Dominique$$b3
000894626 7001_ $$0P:(DE-HGF)0$$aHubert, Maxime$$b4
000894626 7001_ $$0P:(DE-Juel1)138081$$aLenser, C.$$b5$$ufzj
000894626 7001_ $$0P:(DE-HGF)0$$aLaurencin, Jérôme$$b6
000894626 773__ $$0PERI:(DE-600)2251888-5$$a10.1149/10301.1151ecst$$gVol. 103, no. 1, p. 1151 - 1163$$n1$$p1151 - 1163$$tECS transactions$$v103$$x1938-6737$$y2021
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000894626 9141_ $$y2021
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