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Rafiza Abd Razak

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Rafiza Abd Razak

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Rafiza Abd Razak

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Rafiza, Abd Razak

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Rafiza, Abd Razak

Rafiza, Abdul Razak

Abdul Razak, Rafiza

Rafiza, R. A.

Razak, Rafiza Abd

Rafiza, A. R.

Abdul Razak, R.

Razak, R. A.

Razak, Rafiza Abdul

Razak, A. R.

Abd Razak, R.

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Universiti Malaysia Perlis

Scopus Author ID

51161919900

Researcher ID

AAL-1501-2020

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Mechanical performance, microstructure, and porosity evolution of fly ash geopolymer after ten years of curing age

( 2023)
Ikmal Hakem A. Aziz
;
Mohd. Mustafa Al Bakri Abdullah
;
Rafiza Abd Razak
;
Zarina Yahya
;
Mohd Arif Anuar Mohd Salleh
;
Jitrin Chaiprapa
;
Catleya Rojviriya
;
Petrica Vizureanu
;
Andrei Victor Sandu
;
Muhammad Faheem Mohd. Tahir
;
Alida Abdullah
;
Liyana Jamaludin

This paper elucidates the mechanical performance, microstructure, and porosity evolution of fly ash geopolymer after 10 years of curing age. Given their wide range of applications, understanding the microstructure of geopolymers is critical for their long-term use. The outcome of fly ash geopolymer on mechanical performance and microstructural characteristics was compared between 28 days of curing (FA28D) and after 10 years of curing age (FA10Y) at similar mixing designs. The results of this work reveal that the FA10Y has a beneficial effect on strength development and denser microstructure compared to FA28D. The total porosity of FA10Y was also lower than FA28D due to the anorthite formation resulting in the compacted matrix. After 10 years of curing age, the 3D pore distribution showed a considerable decrease in the range of 5–30 µm with the formation of isolated and intergranular holes.

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Rafiza Abd Razak

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