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dc.contributor.authorPang, W.
dc.contributor.authorLow, It-Meng (Jim)
dc.contributor.authorO'Connor, Brian
dc.contributor.authorPeterson, V.
dc.contributor.authorStuder, A.
dc.contributor.authorPalmquist, J.
dc.identifier.citationPang, W.K. and Low, I.M. and O'Connor, B.H. and Peterson, V.K. and Studer, A.J. and Palmquist, J.P. 2011. In situ diffraction study of thermal decomposition in Maxthal Ti(2)AlC. Journal of Alloys and Compounds. 509: pp. 172-176.

The thermal stability of Ti(2)AlC at elevated temperature (1000–1550 °C) in vacuum has been investigated using in situ neutron diffraction. At temperatures above 1400 °C, Ti(2)AlC 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.

dc.publisherElsevier B.V.
dc.subjectPhase transitions
dc.subjectSynchrotron radiation
dc.subjectNeutron diffraction
dc.titleIn situ diffraction study of thermal decomposition in Maxthal Ti(2)AlC
dc.typeJournal Article
dcterms.source.titleJournal of Alloys and Compounds
curtin.departmentDepartment of Imaging and Applied Physics
curtin.accessStatusFulltext not available

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