Nacre-like alumina
Interface failure in nacre-like alumina
... on alumina platelets have recently emerged as a new class of strong and damage-resistant ...single-crystal alumina platelets, and a glassy interphase acts as the ...of nacre-like ...
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Determination of interface fracture properties by micro-and macro-scale experiments in nacre-like alumina
... natural nacre is an example of material which almost exclusively consists of brittle constituents but has a non brittle macroscopic behavior [1, 2, 3] due to its brick-and-mortar microstructure with a macro- ...
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Effect of microstructure heterogeneity on the damage resistance of nacre-like alumina: insights from image-based discrete simulations
... like materials, a recent study also suggests that some random variations in the microstructure can improve toughness [ 18 ]. All prior modeling stud- ies on the effect of microstructural variations were focused on ...
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Shock Induced Damages on alumina and zirconia hip prostheses
... the alumina cups, the precise locations of the initiation were more difficult to determine for sure, due to the presence of several fracture ...of alumina can be explained by the differences of ...for ...
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High Efficiency White Luminescence of Alumina doped ZnO
... doping of these elements therefore leads to a broad-band yellow-white emission. 11 Obtaining a white luminescence with Alumina-doped ZnO (AZO) is therefore a challenge. There is an emergent need for large ...
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Study on Hydration and Strengthening of High Alumina Cements
... activation of hydration must be chose the one that improve the physical and mechanical properties at room temperature and which do not affect refractoriness. One such activation of hydration is calcium sulfoaluminate. ...
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Strätlingite formation in high alumina cement-zeolite systems
... Strätlingite formation in high alumina cement-zeolite systems Ding, J.; Fu, Y.; Beaudoin, J. J. https://publications-cnrc.canada.ca/fra/droits L’accès à ce site Web et l’utilisation de son contenu sont assujettis ...
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Study on high-purity alumina preparation and its applications
... aluminum. Alumina powder is usually produced from bauxite ore by the Bayer ...of alumina nanoparticles improve significantly if the purity is ...purity alumina with narrow size distribution from ...
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Microhardness : fracture studies : high alumina cement systems
... Access and use of this website and the material on it are subject to the Terms and Conditions set forth at Microhardness : fracture studies : high alumina cement systems Beaudoin, J. J.[r] ...
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Morphological Modelling and Transport Properties of Mesoporous Alumina
... Summary In summary, to advance further from the current literature, and to meet the requirements in refining industry, a model involving details in particle shape, aggregation and other [r] ...
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The French NACRe network serves research and knowledge dissemination in the nutrition and cancer field
... NACRe NETWORK ACHIEVEMENTS AND PROJECTS 1 – To contribute to research development 2 – To be a principal contact for requests of relevant information 3 – To spread information on validated scientific data 4 – To ...
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A multiscale tribological study of nacre : Evidence of wear nanomechanisms controlled by the frictional dissipated power
... 8 biocrystals. Wear profile extracted from wear map (Fig. 10c) also confirms the presence of a very thin tribolayer whose thickness is seldom over the initial tablet’s thickness (above 500 nm). That means here that only ...
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Synthesis of highly porous alumina-based materials
... During the drying AlOOH particles aggregate to form linear objects (flat rods, laths) in order to mini- mize electrostatic repulsion. We think that the improvement of the textural characteristics of c -alumina ...
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Thermal stabilization of alumina modified by lanthanum
... processes like catalytic combustion, automotive emis- sion control, methane steam reforming or oxidative coupling of methane, thermal stabilization of alumina-supported catalysts has been extensively ...
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Relativistic correlation correction to the binding energies of the ground configuration of Beryllium-like, Neon-like, Magnesium-like and Argon-like ions
... The active variational space size is increased by en- abling all single and double excitations from all occu- pied shells to all virtual orbitals up to a maximum n and ℓ = n − 1 including the effect of the ...
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Behaviour of alumina powder fed into molten electrolytic bath
... The two-dimensional model could be improved with the integration of the heat, generated by the gamma-alpha recrystallization, and a more precise estimation for the boundary conditions. However there are two other aspects ...
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Platinum/ceria/alumina catalysts on microstructures for carbon monoxide conversion
... CIRIMAT, UMR-CNRS 5085, Université Paul Sabatier, 118 route de Narbonne, 31062 Toulouse Cedex 04, France Abstract Platinum/ceria/alumina catalysts have been prepared by a sol–gel method and coated in the ...
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Fabrication and properties of mechanically milled alumina/aluminum nanocomposites
... High energy mechanical milling was found to eliminate clus- tering issue for several nanocomposites [8–11] . It leads to uniform distribution of the reinforcements as well as inducing a significant grain size reduction ...
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Improving structural features of nanoporous alumina using deuterated electrolytes
... per, we investigate the influence of deuterium (D) i) on the structural pore organization, morphology and GR and ii) gain understanding on the chem- ical composition (anion incorporation[r] ...
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ALD Alumina Passivated Silicon Nanotrees electrodes for Ultrastable Microsupercapacitors
... ALD Alumina Passivated Silicon Nanotrees electrodes for Ultrastable Microsupercapacitors Submitted to symposium Q : Synchrotron Radiation and Atomic Layer Deposition for Advanced Materials of the E-MRS 2017 Fall ...
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