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Open Access item Blocking of grain reorientation in self-doped alumina materials

Authors:Suárez Menéndez, Marta
Fernández Valdés, Adolfo
Menéndez Río, José Luis
Ramírez-Rico, J.
Torrecillas San Millán, Ramón
Keywords:Ceramics, Grain growth, Self-doping, Electron backscattering diffraction (EBSD)
Issue Date:Mar-2011
Publisher:Elsevier
Citation:Scripta Materialia 64(6): 517-520 (2011)
Abstract:Alumina nanoparticles 10–20 nm in diameter were nucleated on alumina particles, 150 nm average diameter, by a colloidal route followed by calcination. It is shown that after sintering, the final grain size is up to 20% smaller due to the addition of the alumina nanoparticles. Electron backscattered diffraction analysis shows that whereas a correlation in the relative crystalline orientations between neighbouring grains exists in the pure materials, the addition of alumina nanoparticles results in a random crystalline orientation.
Description:4 páginas, 3 figuras.-- El pdf del artículo es la versión de autor.
Publisher version (URL):http://dx.doi.org/10.1016/j.scriptamat.2010.11.031
URI:http://hdl.handle.net/10261/43846
ISSN:1359-6462
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