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Boletín de la Sociedad Española de Cerámica y Vidrio
Article . 2003 . Peer-reviewed
License: Elsevier TDM
Data sources: Crossref
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Obtención de circonas estabilizadas (Ca,Mg-PSZ) nanocristalinas a partir de mezclas de dolomita y circona monoclínica mediante molienda de alta energía

Stabilized zirconia (Ca, Mg-PSZ) nanocrystalline from dolomite and monoclinic zirconia by means of high-energy milling
Authors: Carretero, J.; Sáinz, M. A.; Serena, S.; Caballero, A.;

Obtención de circonas estabilizadas (Ca,Mg-PSZ) nanocristalinas a partir de mezclas de dolomita y circona monoclínica mediante molienda de alta energía

Abstract

[ES] El objetivo del presente trabajo es la obtención de materiales cerámicos de circona estabilizada (Ca,Mg-PSZ) nanocristalina mediante molienda de alta energía, a partir de circona monoclínica comercial y una materia prima de alta pureza y bajo coste como es la dolomita (CaMg(CO3)2). La molienda de alta energía de mezclas, especialmente en la que al menos uno de los componentes contenga un grupo carbonato, hidroxilo o se lleve a cabo en presencia de agua, se ha convertido en un método alternativo para obtener materiales nanocristalinos. En este trabajo, mediante un molino de bolas de alta energía se han obtenido nanopartículas de circona monoclínica y dolomita con un tamaño medio de cristalito de 20 ± 5 nm. A partir de estas se han preparado materiales cerámicos densos (98 % ρ/ρt) de circona (Ca, Mg-PSZ) nanocristalina por sinterización a 1200º y 1300ºC durante 18 y 48 minutos.

[EN] The objective of the present work is to obtain ceramic materials of stabilized zirconia (Ca,Mg-PSZ) nanocrystalline by means of high-energy milling, starting from monoclinic zirconia and a raw material of high purity and low cost like the dolomite (CaMg(CO3)2). The high-energy milling of mixtures, especially in those that at least one of the components contains a carbonate or hidroxyl group or it is carried out in presence of water, it has become an alternative method to obtain nanocrystalline materials. In this work using high-energy ball-milling, nanopartícles of monoclinic zirconia and dolomite have been obtained with a average size of crystallite about 20 ± 5 nm. Starting from these, dense stabilized zirconia (Ca,Mg-PSZ) nanocrystalline materials have been obtained (98 % ρ/ρt) for sintering at 1200º-1300ºC during 18-48 minutes.

El trabajo ha sido realizado gracias a la financiación de los proyectos CAM 07N/0038/2001 y CICYT MAT 2001-941.

Peer reviewed

Keywords

sintering, high-energy milling, nanocristalino, Nanocrystalline, Clay industries. Ceramics. Glass, Dolomite, Nanocristalino, molienda de alta energía, Dolomita, dolomite, TP785-869, sinterización, Sintering, Sinterización, dolomita, Circona, Zirconia, nanocrystalline, High-energy milling, Molienda de alta energía

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
7
Average
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