In situ diffraction study of thermal decomposition in Maxthal Ti2AlC

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dc.contributor.authorPang, WKen_AU
dc.contributor.authorLow, IMen_AU
dc.contributor.authorO'Connor, BHen_AU
dc.contributor.authorPeterson, VKen_AU
dc.contributor.authorStuder, AJen_AU
dc.contributor.authorPalmquist, JPen_AU
dc.date.accessioned2011-01-14T04:25:56Zen_AU
dc.date.available2011-01-14T04:25:56Zen_AU
dc.date.issued2011-01-05en_AU
dc.date.statistics2011-01-05en_AU
dc.description.abstractThe thermal stability of Ti2AlC at elevated temperature (1000–1550°C) in vacuum has been investigated using in situ neutron diffraction. At temperatures above 1400°C, Ti2AlC became unstable and began to decompose via sublimation of Al, resulting in a porous surface layer of TiCx being formed. The apparent activation energy for Ti2AlC decomposition was determined to be 85.7 ± 2.6 kJ mol−1. The kinetics of isothermal phase decomposition was modelled using least-squares linear regression fitting and the Avrami equation. The corresponding least-squares regression exponent (R2) and Avrami constants (k and n) for isothermal decomposition were determined to be 0.89, 0.268 min−n and 0.1, respectively. © 2011, Elsevier Ltd.en_AU
dc.identifier.citationPang, W. K., Low, I. M., O'Connor, B. H., Peterson, V. K., Studer, A. J., Palmquist, J. P. (2011). In situ diffraction study of thermal decomposition in Maxthal Ti2AlC. Journal of Alloys and Compounds, 509(1), 172-176.en_AU
dc.identifier.govdoc3110en_AU
dc.identifier.issn0925-8388en_AU
dc.identifier.issue1en_AU
dc.identifier.journaltitleJournal of Alloys and Compoundsen_AU
dc.identifier.pagination172-176en_AU
dc.identifier.urihttp://dx.doi.org/10.1016/j.jallcom.2010.09.019en_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/2915en_AU
dc.identifier.volume509en_AU
dc.language.isoenen_AU
dc.publisherElsevieren_AU
dc.subjectCeramicsen_AU
dc.subjectNeutron diffractionen_AU
dc.subjectSynchrotron radiationen_AU
dc.subjectPhase transformationsen_AU
dc.subjectTitaniumen_AU
dc.subjectAluminiumen_AU
dc.titleIn situ diffraction study of thermal decomposition in Maxthal Ti2AlCen_AU
dc.typeJournal Articleen_AU
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