Nur Izzati Muhammad Nadzri
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Nur Izzati Muhammad Nadzri
Official Name
Nur Izzati, Muhammad Nadzri
Alternative Name
Nadzri, Nur Izzati Muhammad
Muhammad Nadzri, Nur Izzati M
Muhd Nadzri, Nur Izzati
Muhammad Nadzri, Nur Izzati
Nadzri, Nur Izzati Muhd
Nadzri, Nur Izzati Muhammad
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Scopus Author ID
57220777511
57192744206

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  • Publication
    Investigation of corrosion behaviour of mild steel embedded in geopolymer paste with curing and non-curing process
    (Polish Academy of Sciences, 2023)
    Fatin Shahira Shaharudin
    ;
    Farah Farhana Zainal
    ;
    Nur Farhana Hayazi
    ;
    Nur Izzati Muhammad Nadzri
    ;
    Noraziana Parimin
    ;
    Sri Hastuty
    ;
    Andri Kusbiantoro
    This research was conducted to examine the corrosion behaviour of mild steel bar embedded in geopolymer paste based fly ash Class F during curing and non-curing process. The geopolymer paste was fabricated by blending in the fly ash with alkaline activators (NaOH solution with molarity of 12 M, 2.5 ratio of solution Na2SiO3/NaOH). The paste was produced in 50 mm × 50 mm × 50 mm mould where the mild steel bar of 100 mm (length) × 12 mm (diameter) was embedded at the center of geopolymer paste. This is to comprehend the corrosion behaviour of mild steel embedded in geopolymer paste with and without curing process. Process of curing is carried out for 24 hours at a temperature of 60°C in oven. While on the contrary, the non-curing process will only be leave at room temperature. Both samples were tested after 28 days of curing to determine the corrosion behaviour, phase analysis and morphology analysis. In accordance with the morphology analysis, it shows that the fly ash was totally reacted with alkaline solutions in curing geopolymer paste sample while the non-curing geopolymer paste has shown the unreacted fly ash with high number of pores. The phase analysis of mild steel embedded in this geopolymer paste during curing and without curing process has proven that the presence of new crystallographic peak which also known as passive layer occurred. The potential values result by OCP testing shows the curing sample has highest potential values as compared to the non-curing sample ones.
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