Please use this identifier to cite or link to this item: https://scholarbank.nus.edu.sg/handle/10635/58003
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dc.titleColloidal processing of sub-micron alumina powder compacts
dc.contributor.authorLim, L.C.
dc.contributor.authorWong, P.M.
dc.contributor.authorMa, J.
dc.date.accessioned2014-06-17T05:09:45Z
dc.date.available2014-06-17T05:09:45Z
dc.date.issued1997-05
dc.identifier.citationLim, L.C.,Wong, P.M.,Ma, J. (1997-05). Colloidal processing of sub-micron alumina powder compacts. Journal of Materials Processing Technology 67 (1-3) : 137-142. ScholarBank@NUS Repository.
dc.identifier.issn09240136
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/58003
dc.description.abstractThis study investigates the compaction and sintering characteristics of narrow-size-distributed sub-micron alumina powder compacts. Near-mono-sized powder with a mean particle size of 0.18 μm was processed colloidally and then compacted by either centrifuging or slip casting. Green densities comparable to that of dense random compacts of equal-sized spheres were obtained over the range of suspension concentrations and compacting conditions explored. The resultant compacts had a uniform green microstructure and exhibited improved sintering characteristics, as opposed to those prepared by dry pressing. Full densification was achieved in 1 h at 1275°C, yielding a final grain size of about 0.5 μm. The effects of the initial particle size and the size distribution on the compacting and sintering characteristics of colloidally processed sub-micron alumina compacts are also presented and discussed. © 1997 Elsevier Science S.A.
dc.sourceScopus
dc.subjectAlumina powder compact
dc.subjectCeramic
dc.subjectColloid
dc.subjectCompaction
dc.subjectSintering
dc.typeArticle
dc.contributor.departmentMECHANICAL & PRODUCTION ENGINEERING
dc.description.sourcetitleJournal of Materials Processing Technology
dc.description.volume67
dc.description.issue1-3
dc.description.page137-142
dc.description.codenJMPTE
dc.identifier.isiutNOT_IN_WOS
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