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http://hdl.handle.net/10261/73481
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Campo DC | Valor | Lengua/Idioma |
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dc.contributor.author | Tomás, María | - |
dc.contributor.author | Amaveda, H. | - |
dc.contributor.author | Angurel, Luis A. | - |
dc.contributor.author | Mora Alfonso, Mario | - |
dc.date.accessioned | 2013-04-03T10:04:14Z | - |
dc.date.available | 2013-04-03T10:04:14Z | - |
dc.date.issued | 2013 | - |
dc.identifier | doi: 10.1016/j.jeurceramsoc.2012.10.020 | - |
dc.identifier | issn: 0955-2219 | - |
dc.identifier.citation | Journal of the European Ceramic Society 33(4): 727-736 (2013) | - |
dc.identifier.uri | http://hdl.handle.net/10261/73481 | - |
dc.description.abstract | Sol gel process of silica powders dispersed in silica sol has been used to obtain a suitable suspension for the sol infiltration technique of fibre-reinforced ceramics. Efforts have been focused on analysing the effects of polyelectrolyte content, pH, solid load and concentration of gelling agent on the flow behaviour of silica suspensions. The most adequate suspension to manufacture the matrix of composites is a weak flocculated suspension with negligible thixotropic behaviour at pH ≥ 9.5, which is composed of silica microparticles dispersed in silica sol with 41 vol.% of solid load and 1.8 wt.% of Duramax D3005. This suspension easily undergoes a transition to a gel by a slight alteration of stability conditions adding 0.08 M of NH4Cl, which reduces both the electrostatic repulsion and the pH to 8. Moreover, silica sol promotes the densification of ceramics up to 70% after sintering at 900 °C, allowing porous matrix processing of the composites. © 2012 Elsevier Ltd. | - |
dc.description.sponsorship | The authors are thankful to the BSH Electrodomésticos España, S.A. and to the Aragon Government (Research Group T12) for financial support to this work and M. Tomás also thanks to the Aragon Government for her scholarship. | - |
dc.language.iso | eng | - |
dc.publisher | Elsevier | - |
dc.rights | closedAccess | - |
dc.title | Effect of silica sol on the dispersion-gelation process of concentrated silica suspensions for fibre-reinforced ceramic composites | - |
dc.type | artículo | - |
dc.identifier.doi | 10.1016/j.jeurceramsoc.2012.10.020 | - |
dc.date.updated | 2013-04-03T10:04:14Z | - |
dc.description.version | Peer Reviewed | - |
dc.contributor.funder | Gobierno de Aragón | - |
dc.contributor.funder | BSH Electrodomésticos España | - |
dc.relation.csic | Sí | - |
dc.identifier.funder | http://dx.doi.org/10.13039/501100010067 | es_ES |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.openairetype | artículo | - |
item.grantfulltext | none | - |
item.cerifentitytype | Publications | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.fulltext | No Fulltext | - |
item.languageiso639-1 | en | - |
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accesoRestringido.pdf | 15,38 kB | Adobe PDF | Visualizar/Abrir |
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