The effect of KOH concentration on setting time and compressive strength of fly ash-based geopolymer

Rahmiati, T. and Azizli, K.A. and Man, Z. and Ismail, L. and Nuruddin, M.F. (2014) The effect of KOH concentration on setting time and compressive strength of fly ash-based geopolymer. Applied Mechanics and Materials, 625. pp. 94-97.

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Abstract

Geopolymer is produced from the alkali activation of materials rich in Si and Al such as fly ash. Sodium hydroxide (NaOH) with high concentration is normally used in geopolymerization. Limited research has been done with low concentration of alkali activator. This study confirms that KOH with low concentration affect the setting time and compressive strength of geopolymer in order to have good mechanical properties. Optimum result was observed at 4.5 M KOH. This result can be further developed to produce geopolymer with low alkaline activator for coating applications. © 2014 Trans Tech Publications, Switzerland.

Item Type: Article
Impact Factor: cited By 3
Uncontrolled Keywords: Fly ash; Geopolymers; Inorganic polymers; Mechanical properties, Alkali activation; Alkali activators; Alkaline activators; Coating application; Geopolymer; Geopolymerization; Low concentrations; Setting time, Compressive strength
Depositing User: Ms Sharifah Fahimah Saiyed Yeop
Date Deposited: 29 Mar 2022 04:04
Last Modified: 29 Mar 2022 04:04
URI: http://scholars.utp.edu.my/id/eprint/31995

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