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000015931 0247_ $$2DOI$$a10.1016/j.jeurceramsoc.2011.05.021
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000015931 084__ $$2WoS$$aMaterials Science, Ceramics
000015931 1001_ $$0P:(DE-Juel1)138890$$aPecanac, G.$$b0$$uFZJ
000015931 245__ $$aRing-On-Ring Testing of Thin, Curved Bi-layered Materials
000015931 260__ $$aAmsterdam [u.a.]$$bElsevier Science$$c2011
000015931 300__ $$a2037 - 2042
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000015931 440_0 $$03891$$aJournal of the European Ceramic Society$$v31$$x0955-2219$$y12
000015931 500__ $$aThe author would like to thank CeramTec GmbH, Marktredwitz, Germany for providing the half-cells material. The research leading to these results was partly funded by the European Union's Seventh Framework Programme FP7/2007-2013 under grant agreement n<SUP>o</SUP> 228701.
000015931 520__ $$aThe bi-axial ring-on-ring test is a convenient method to determine elastic modulus and fracture strength of brittle materials in plate geometry. However, standard analytical relationships appear to be limited to flat isotropic samples with discrete ratios of thickness to loading/support ring radii. In addition to the necessity to consider residual stresses due to differences in thermal expansion for bi-layered materials, the curvature of thin components complicates the analysis of the experimental data. Experimental and finite element modeling results are presented for thin curved bi-layered materials with substrates of different elastic behavior. Basis for the analysis are experimental results obtained for solid oxide fuel cells with anode substrates in oxidized and reduced state. A testing procedure and its limits are outlined that permits to extend the use of standard analytical relationships to curved bi-layered specimens with the aim to determine the properties of the mechanically dominating support material. (C) 2011 Elsevier Ltd. All rights reserved.
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000015931 536__ $$0G:(EU-Grant)228701$$aNASA-OTM - NAnostructured Surface Activated ultra-thin Oxygen Transport Membrane (228701)$$c228701$$fFP7-NMP-2008-SMALL-2$$x1
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000015931 65320 $$2Author$$aC. Fracture
000015931 65320 $$2Author$$aC. Strength
000015931 65320 $$2Author$$aElastic behavior
000015931 65320 $$2Author$$aSolid oxide fuel cells
000015931 65320 $$2Author$$aBending test
000015931 7001_ $$0P:(DE-Juel1)VDB57534$$aBause, T.$$b1$$uFZJ
000015931 7001_ $$0P:(DE-Juel1)129755$$aMalzbender, J.$$b2$$uFZJ
000015931 773__ $$0PERI:(DE-600)2013983-4$$a10.1016/j.jeurceramsoc.2011.05.021$$gVol. 31, p. 2037 - 2042$$p2037 - 2042$$q31<2037 - 2042$$tJournal of the European Ceramic Society$$v31$$x0955-2219$$y2011
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000015931 9132_ $$0G:(DE-HGF)POF3-113$$1G:(DE-HGF)POF3-110$$2G:(DE-HGF)POF3-100$$aDE-HGF$$bForschungsbereich Energie$$lEnergieeffizienz, Materialien und Ressourcen$$vMethods and Concepts for Material Development$$x0
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