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    Microstructural analysis of geopolymer and ordinary Portland cement mortar exposed to sulfuric acid

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    Date
    2013-09
    Author
    Mohd Izzat, Ahmad
    Mohd Mustafa Al-Bakri, Abdullah
    Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.
    Moga, Ligia Mihaela
    Che Mohd Ruzaidi, Ghazali, Prof. Madya
    Muhammad Faheem, Mohd Tahir
    Sandu, Andrei Victor
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    Abstract
    The vulnerability of ordinary Portland cement (OPC) concrete to acidic attack is a worrying subject regarding the future durability of this binder. On the other side of binder's technology, the new technology of cement called 'geopolymer' had been studied widely in all over the world. Indeed, the major advantage of geopolymer compared to Portland cement is chemical resistance. This paper presents a study about the microstructural properties of geopolymer and OPC mortar. Visual inspection of both mortars had been performed. Stereo microscope device and Secondary Electron Microscope (SEM) were used to investigate the microstructural changes of the specimens. It was found that geopolymer mortars were less susceptible to the attack by sulfuric acid solution than the OPC cement mortars.
    URI
    http://www.revmaterialeplastice.ro/article_eng.asp?ID=3790
    http://dspace.unimap.edu.my:80/dspace/handle/123456789/33541
    Collections
    • Mohd Mustafa Al Bakri Abdullah, Prof. Dr. [277]
    • Muhammad Faheem Mohd Tahir, Mr. [22]
    • School of Materials Engineering (Articles) [553]
    • Kamarudin Hussin, Brig. Jen. Datuk Prof. Dr. [252]
    • Center of Excellence for Geopolymer and Green Technology (CEGEOGTECH) (Articles) [130]

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