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    Microstructure and Mechanical Characterization of Alkali-Activated Palm Oil Fuel Ash

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    Pastes and mortars of alkali-activated palm oil fuel ash (POFA) are synthesized with three types of alkaline solutions and are characterized for molecular functional groups by Fourier transform infrared (FTIR) spectroscopy, microstructure observation, and chemical composition by scanning electron microscopy with energy dispersive X-ray (SEM-EDX) and mechanical strength using a universal mechanical tester. The alkali activators chosen for this investigation are 12 M sodium hydroxide (NaOH), 3 M sodium silicate ( Na 2 SiO 3 ), and a combination of both activators ( Na 2 SiO 3 and NaOH) by mass ratio of 3 ∶ 1 . POFA with Na 2 SiO 3 solution yields the highest compressive strength in comparison to the other activators. The main gel binder dominantly composed of silica with varying calcium/silica ( Ca / Si ) ratios is analyzed by analytical techniques through FTIR and SEM-EDX.

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    Microstructure and Mechanical Characterization of Alkali-Activated Palm Oil Fuel Ash

    New search for: Runyut, Daisy Annette
    New search for: Robert, Sharon
    New search for: Ismail, Idawati
    New search for: Ahmadi, Raudhah

    Pastes and mortars of alkali-activated palm oil fuel ash (POFA) are synthesized with three types of alkaline solutions and are characterized for molecular functional groups by Fourier transform infrared (FTIR) spectroscopy, microstructure observation, and chemical composition by scanning electron microscopy with energy dispersive X-ray (SEM-EDX) and mechanical strength using a universal mechanical tester. The alkali activators chosen for this investigation are 12 M sodium hydroxide (NaOH), 3 M sodium silicate ( Na 2 SiO 3 ), and a combination of both activators ( Na 2 SiO 3 and NaOH) by mass ratio of 3 ∶ 1 . POFA with Na 2 SiO 3 solution yields the highest compressive strength in comparison to the other activators. The main gel binder dominantly composed of silica with varying calcium/silica ( Ca / Si ) ratios is analyzed by analytical techniques through FTIR and SEM-EDX.

    Access

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    Check availability in my library
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    Microstructure and Mechanical Characterization of Alkali-Activated Palm Oil Fuel Ash

    New search for: Runyut, Daisy Annette
    New search for: Robert, Sharon
    New search for: Ismail, Idawati
    New search for: Ahmadi, Raudhah

    Pastes and mortars of alkali-activated palm oil fuel ash (POFA) are synthesized with three types of alkaline solutions and are characterized for molecular functional groups by Fourier transform infrared (FTIR) spectroscopy, microstructure observation, and chemical composition by scanning electron microscopy with energy dispersive X-ray (SEM-EDX) and mechanical strength using a universal mechanical tester. The alkali activators chosen for this investigation are 12 M sodium hydroxide (NaOH), 3 M sodium silicate ( Na 2 SiO 3 ), and a combination of both activators ( Na 2 SiO 3 and NaOH) by mass ratio of 3 ∶ 1 . POFA with Na 2 SiO 3 solution yields the highest compressive strength in comparison to the other activators. The main gel binder dominantly composed of silica with varying calcium/silica ( Ca / Si ) ratios is analyzed by analytical techniques through FTIR and SEM-EDX.

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    Title:

    Microstructure and Mechanical Characterization of Alkali-Activated Palm Oil Fuel Ash

    Contributors:

    Runyut, Daisy Annette (author) / Robert, Sharon (author) / Ismail, Idawati (author) / Ahmadi, Raudhah (author) / Abdul Samat, Nur Amalina Shairah binti (author)

    Published in:

    Journal of Materials in Civil Engineering ; 30

    Publication date:

    2018-04-19

    ISSN:

    0899-1561 , 1943-5533

    DOI:

    https://doi.org/10.1061/(ASCE)MT.1943-5533.0002303

    Type of media:

    Article (Journal)

    Type of material:

    Electronic Resource

    Language:

    Unknown

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