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dc.contributor.authorMasi, G.
dc.contributor.authorRickard, William
dc.contributor.authorVickers, Les
dc.contributor.authorBignozzi, M.
dc.contributor.authorVan Riessen, Arie
dc.date.accessioned2017-01-30T14:53:01Z
dc.date.available2017-01-30T14:53:01Z
dc.date.created2014-09-07T20:00:16Z
dc.date.issued2014
dc.date.submitted2014-09-08
dc.identifier.citationMasi, G. and Rickard, W. and Vickers, L. and Bignozzi, M. and Van Riessen, A. 2014. A comparison between different foaming methods for the synthesis of light weight geopolymers. Ceramics International. 40 (9), Part A: pp. 13891-13902.
dc.identifier.urihttp://hdl.handle.net/20.500.11937/41555
dc.identifier.doi10.1016/j.ceramint.2014.05.108
dc.description.abstract

Foaming to reduce the density of geopolymeric materials is increasingly being reported in the literature as it has been shown to be effective in improving their insulating properties. However, there is no consistency in foaming methods and as such this study was performed to compare methods in order to better understand their effect on the properties of geopolymers. A surfactant and two chemical foaming agents (hydrogen peroxide and aluminium powder) were added to a fly ash based geopolymer matrix. Surfactant was also combined with each of the chemical foaming agents in order to stabilise the foam in the geopolymer matrix and to reduce coarse pores. The physical, mechanical and microstructural properties of the low density geopolymers are presented and the effects of the foaming agents’ characteristics on the hardened product is discussed, as well as the relative merits of the different procedures to synthesise the foamed geopolymer. It was found that homogeneous microstructures with small pores can be obtained by adding surfactant and hydrogen peroxide. The combination of hydrogen peroxide (0.1 wt%) and surfactant (1.0 wt%) produced geopolymer foams with density and compressive strength values of 0.94 g/cm3 and 4.6 MPa, respectively.

dc.publisherElsevier Science Ltd
dc.subjectSurfactant
dc.subjectFoaming agent
dc.subjectB. Porosity
dc.subjectGeopolymers
dc.titleA comparison between different foaming methods for the synthesis of light weight geopolymers
dc.typeJournal Article
dcterms.dateSubmitted2014-09-08
dcterms.source.volume40
dcterms.source.startPage13891
dcterms.source.endPage13902
dcterms.source.issn0272-8842
dcterms.source.titleCeramics International
curtin.digitool.pid200501
curtin.note

NOTICE: this is the author’s version of a work that was accepted for publication in the journal Ceramics International. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in the journal Ceramics International, Vol.40 (2014). DOI: http://doi.org/10.1016/j.ceramint.2014.05.108

curtin.pubStatusPublished
curtin.departmentDepartment of Imaging and Applied Physics
curtin.identifier.scriptidPUB-SE-DAP-CP-84008
curtin.accessStatusOpen access


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