Thermal character of geopolymers synthesized from class f fly ash containing high concentrations of iron and α-quartz.

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dc.contributor.authorRickard, WDAen_AU
dc.contributor.authorvan Riessen, Aen_AU
dc.contributor.authorWalls, Pen_AU
dc.date.accessioned2010-04-19T23:45:43Zen_AU
dc.date.accessioned2010-04-30T05:05:30Zen_AU
dc.date.available2010-04-19T23:45:43Zen_AU
dc.date.available2010-04-30T05:05:30Zen_AU
dc.date.issued2010-01en_AU
dc.date.statistics2010-01en_AU
dc.description.abstractThis article reports the thermal characteristics of geopolymers prepared with a class F fly ash containing 15 wt% iron oxide and 20 wt%α-quartz. The characterization techniques used included dilatometry, TGA, DTA, XRD, and SEM. Geopolymer specimens were prepared with nominal ratios of Si:Al=2.3 and Na:Al=0.85. Iron oxide in the fly ash precursor was found to play a critical role in the thermal expansion and morphology of geopolymers at temperatures >500°C. Volume changes of quartz on either side of the α–β phase transition cause only minor variations in thermal expansion. © 2010, Wiley-Blackwell.en_AU
dc.identifier.citationRickard, W. D. A., van Riessen, A., & Walls, P. (2010). Thermal character of geopolymers synthesized from class f fly ash containing high concentrations of iron and α-quartz. International Journal of Applied Ceramic Technology, 7(1), 81-88. doi:10.1111/j.1744-7402.2008.02328.xen_AU
dc.identifier.govdoc1356en_AU
dc.identifier.issn1546-542Xen_AU
dc.identifier.issue1en_AU
dc.identifier.journaltitleInternational Journal of Applied Ceramic Technologyen_AU
dc.identifier.pagination81-88en_AU
dc.identifier.urihttp://dx.doi.org/10.1111/j.1744-7402.2008.02328.xen_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/3231en_AU
dc.identifier.volume7en_AU
dc.language.isoenen_AU
dc.publisherWiley-Blackwellen_AU
dc.subjectFly ashen_AU
dc.subjectQuartzen_AU
dc.subjectIron oxidesen_AU
dc.subjectThermal expansionen_AU
dc.subjectPolymersen_AU
dc.subjectMorphologyen_AU
dc.titleThermal character of geopolymers synthesized from class f fly ash containing high concentrations of iron and α-quartz.en_AU
dc.typeJournal Articleen_AU
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