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Spark plasma sintering of self-doped alumina powders

AuthorsSuárez, Marta ; Fernández, Adolfo ; Torrecillas, Ramón ; Menéndez, José Luis ; García-Granda, Santiago ; Fauth, F.
Issue DateJan-2010
PublisherCarl Hanser Verlag
CitationInternational Journal of Materials Research 01: 106-111 (2010)
AbstractThis work explores the sintering by spark plasma sintering of self-doped submicrometre alumina powders following an alcoxide route. It is shown that the self-doping process leads to nucleation of alumina nanoparticles located in the surface of the initial alumina grains, therefore avoiding the presence of phases other than α-Al2O3 in the final microstructure. The presence of such alumina nanocrystals leads to a modification of the sintering process minimizing grain growth compared to un-doped alumina powders under similar sintering conditions.
Publisher version (URL)http://dx.doi.org/10.3139/146.110243
Appears in Collections:(CINN) Artículos
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