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    Fly ash porous material using geopolymerization process for high temperature exposure

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    ijms-13-04388.pdf (332.4Kb)
    Date
    2012-04
    Author
    Mohd Mustafa Al Bakri, Abdullah
    Liyana, Jamaludin
    Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.
    Mohamed, Bnhussain
    Che Mohd Ruzaidi, Ghazali, Prof. Madya
    Mohd Izzat, Ahmad
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    Abstract
    This paper presents the results of a study on the effect of temperature on geopolymers manufactured using pozzolanic materials (fly ash). In this paper, we report on our investigation of the performance of porous geopolymers made with fly ash after exposure to temperatures from 600 °C up to 1000 ° C. The research methodology consisted of pozzolanic materials (fly ash) synthesized with a mixture of sodium hydroxide and sodium silicate solution as an alkaline activator. Foaming agent solution was added to geopolymer paste. The geopolymer paste samples were cured at 60 °C for one day and the geopolymers samples were sintered from 600 °C to 1000 °C to evaluate strength loss due to thermal damage. We also studied their phase formation and microstructure. The heated geopolymers samples were tested by compressive strength after three days. The results showed that the porous geopolymers exhibited strength increases after temperature exposure.
    URI
    http://www.mdpi.com/1422-0067/13/4/4388
    http://dspace.unimap.edu.my/123456789/22931
    Collections
    • School of Materials Engineering (Articles) [553]
    • Kamarudin Hussin, Brig. Jen. Datuk Prof. Dr. [252]
    • Liyana Jamaludin [15]
    • Mohd Mustafa Al Bakri Abdullah, Prof. Dr. [277]
    • Che Mohd Ruzaidi Ghazali, Assoc. Prof. [62]

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