Study of high-temperature thermal stability of MAX phases in vacuum

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dc.contributor.authorLow, IMen_AU
dc.contributor.authorPang, WKen_AU
dc.contributor.authorKennedy, SJen_AU
dc.contributor.authorSmith, RIen_AU
dc.date.accessioned2011-03-31T00:41:50Zen_AU
dc.date.available2011-03-31T00:41:50Zen_AU
dc.date.issued2010-01-28en_AU
dc.date.statistics2010-01-28en_AU
dc.description.abstractThe susceptibility of two MAX phases (Ti2AlN and Ti 4AlN3) to high-temperature thermal dissociation in a dynamic environment of high-vacuum has been investigated using in-situ neutron diffraction. In high vacuum, these phases decomposed above 1400°C through the sublimation of Ti and Al elements, forming a surface coating of TiN. The kinetics of isothermal phase decomposition was modelled using the Avrami equation and the Avrami exponent (n) of isothermal decomposition of Ti 2AlN and Ti4AlN3 was determined to be 0.62 and 0.18 respectively. The characteristics of thermal stability and phase transitions in Ti2AlN and Ti4AlN3 are compared and discussed.en_AU
dc.description.sponsorshipAmerican Ceramic Society; American Ceramic Society’s Engineering Ceramics Divisionen_AU
dc.identifier.booktitleStrategic Materials and Computational Design: Ceramic Engineering and Science Proceedingsen_AU
dc.identifier.citationLow, I. M., Pang, W. K., Kennedy, S. J., & Smith, R. I. (2010). Study of high-temperature thermal stability of MAX phases in vacuum. Paper presented to the 34th International Conference and Exposition on Advanced Ceramics and Composites (ICACC’10), 24th – 29th January 2010. Daytona Beach, Florida, United States of America: Hilton Daytona Beach Resort & Ocean Center. In W. M. Kriven, & Y. Zhou, et. al. (Eds.), Strategic Materials and Computational Design: Ceramic Engineering and Science Proceedings, 31(10), pp. 171-180. Westerville, Ohio, United States of America: American Ceramic Society. doi:10.1002/9780470944103.ch17en_AU
dc.identifier.conferenceenddate29 January 2010en_AU
dc.identifier.conferencename34th International Conference and Exposition on Advanced Ceramics and Composites (ICACC’10)en_AU
dc.identifier.conferenceplaceWesterville, Ohioen_AU
dc.identifier.conferencestartdate24 January 2010en_AU
dc.identifier.editorsW. M. Kriven, & Y. Zhou, M. Radovic, S. Mathur, & T. Ohjien_AU
dc.identifier.govdoc3339en_AU
dc.identifier.isbn9780470921913en_AU
dc.identifier.issn0196-6219en_AU
dc.identifier.issue10en_AU
dc.identifier.pagination171-180en_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/3175en_AU
dc.identifier.urihttps://doi.org/10.1002/9780470944103.ch17en_AU
dc.identifier.volume31en_AU
dc.language.isoenen_AU
dc.publisherAmerican Ceramic Societyen_AU
dc.subjectCeramicsen_AU
dc.subjectCoatingsen_AU
dc.subjectDissociationen_AU
dc.subjectPressure range micro paen_AU
dc.subjectPhase stabilityen_AU
dc.subjectTitanium nitridesen_AU
dc.titleStudy of high-temperature thermal stability of MAX phases in vacuumen_AU
dc.typeConference Presentationen_AU
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