Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/74839
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dc.contributor.authorZhu, H.en
dc.contributor.authorJiang, Y.en
dc.contributor.authorSong, J.en
dc.contributor.authorLi, J.en
dc.contributor.authorMunroe, P.en
dc.contributor.authorXie, Z.en
dc.date.issued2012en
dc.identifier.citationJournal of Materials Science, 2012; online(2):1-7en
dc.identifier.issn0022-2461en
dc.identifier.issn1573-4803en
dc.identifier.urihttp://hdl.handle.net/2440/74839-
dc.description.abstractA hierarchically structured α-Al₂O₃/Al₃Ti composite was fabricated by an in situ process called exothermic dispersive synthesis from a powder blend of Al and TiO₂. The microstructure of the composite was investigated by X-ray diffraction, scanning electron microscopy, and X-ray energy dispersive spectroscopy. Three transitional phases, specifically TiO, Ti₂O₃, and γ-Al₂O₃, were found to form during the reactive process. Using differential scanning calorimetry, it was found that the reaction between the Al and TiO₂ occurred through three intermediate steps and their corresponding activation energies were 390, 205, and 197 kJ/mol, respectively. Moreover, the reaction rate of the third step was found to be much higher than that of the second step, and the time taken by each reaction step decreased with the increase of the heating rate. The findings are critical to understanding the microstructural development in the synthesis of strong and tough Al₂O₃/Al₃Ti composites.en
dc.description.statementofresponsibilityHeguo Zhu, Yaling Jiang, Jinzhu Song, Jianliang Li, Paul Munroe, Zonghan Xieen
dc.language.isoenen
dc.publisherKluwer Academic Publen
dc.rights© Springer Science+Business Media, LLC 2012en
dc.subjectMaterials Science, general; Characterization and Evaluation of Materials; Polymer Sciences; Continuum Mechanics and Mechanics of Materials; Crystallography; Mechanicsen
dc.titleIn situ synthesis and characterization of a hierarchically structured Al₂0₃/Al₃Ti compositeen
dc.title.alternativeIn situ synthesis and characterization of a hierarchically structured Al(2)0(3)/Al(3)Ti compositeen
dc.typeJournal articleen
dc.identifier.rmid0020122762en
dc.identifier.doi10.1007/s10853-012-6817-0en
dc.identifier.pubid22731-
pubs.library.collectionMechanical Engineering publicationsen
pubs.verification-statusVerifieden
pubs.publication-statusPublisheden
Appears in Collections:Mechanical Engineering publications
Materials Research Group publications

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