Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.jallcom.2010.07.069
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dc.titleTailoring the microstructure of mechanoactivated Al2O 3 and SiO2 mixtures with TiO2 addition
dc.contributor.authorZhang, T.S.
dc.contributor.authorKong, L.B.
dc.contributor.authorDu, Z.H.
dc.contributor.authorMa, J.
dc.contributor.authorLi, S.
dc.date.accessioned2014-11-28T01:52:50Z
dc.date.available2014-11-28T01:52:50Z
dc.date.issued2010-09-17
dc.identifier.citationZhang, T.S., Kong, L.B., Du, Z.H., Ma, J., Li, S. (2010-09-17). Tailoring the microstructure of mechanoactivated Al2O 3 and SiO2 mixtures with TiO2 addition. Journal of Alloys and Compounds 506 (2) : 777-783. ScholarBank@NUS Repository. https://doi.org/10.1016/j.jallcom.2010.07.069
dc.identifier.issn09258388
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/111492
dc.description.abstractThis paper reports on the effect of TiO2 on mullitization, anisotropic grain growth and densification of Al2O3 and SiO2 mixtures, which are activated by a high-energy ball milling process using tungsten as milling media. High-energy activation significantly promotes mullitization in the mixture of Al2O3 and SiO2 powders, and is a pre-requisite for the occurrence of anisotropic grain growth of mullite. There is a subtle interplay and competition between anisotropic grain growth and densification, depending on the amount of TiO2. Small amount of TiO2 has a positive effect on the phase formation and anisotropic grain growth of mullite, while high concentration of TiO2 suppresses anisotropic grain growth, and thus is beneficial to densification. As a result, the microstructure and densification of the mullite ceramics can be manipulated by the doping levels of TiO2. © 2010 Elsevier B.V. All rights reserved.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1016/j.jallcom.2010.07.069
dc.sourceScopus
dc.subjectMechanoactivation
dc.subjectMullite
dc.subjectSintering
dc.subjectTitanium dioxide
dc.subjectWhisker
dc.typeArticle
dc.contributor.departmentTEMASEK LABORATORIES
dc.description.doi10.1016/j.jallcom.2010.07.069
dc.description.sourcetitleJournal of Alloys and Compounds
dc.description.volume506
dc.description.issue2
dc.description.page777-783
dc.description.codenJALCE
dc.identifier.isiut000282607700057
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