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

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 co...

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Main Authors: Rahmiati, T., Azizli, K.A., Man, Z., Ismail, L., Nuruddin, M.F.
Format: Article
Institution: Universiti Teknologi Petronas
Record Id / ISBN-0: utp-eprints.31995 /
Published: Trans Tech Publications Ltd 2014
Online Access: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84914110224&doi=10.4028%2fwww.scientific.net%2fAMM.625.94&partnerID=40&md5=4c53a69c53553c7c2f83b02c3edd8067
http://eprints.utp.edu.my/31995/
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spelling utp-eprints.319952022-03-29T04:04:57Z The effect of KOH concentration on setting time and compressive strength of fly ash-based geopolymer Rahmiati, T. Azizli, K.A. Man, Z. Ismail, L. Nuruddin, M.F. 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. Trans Tech Publications Ltd 2014 Article NonPeerReviewed https://www.scopus.com/inward/record.uri?eid=2-s2.0-84914110224&doi=10.4028%2fwww.scientific.net%2fAMM.625.94&partnerID=40&md5=4c53a69c53553c7c2f83b02c3edd8067 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. http://eprints.utp.edu.my/31995/
institution Universiti Teknologi Petronas
collection UTP Institutional Repository
description 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.
format Article
author Rahmiati, T.
Azizli, K.A.
Man, Z.
Ismail, L.
Nuruddin, M.F.
spellingShingle Rahmiati, T.
Azizli, K.A.
Man, Z.
Ismail, L.
Nuruddin, M.F.
The effect of KOH concentration on setting time and compressive strength of fly ash-based geopolymer
author_sort Rahmiati, T.
title The effect of KOH concentration on setting time and compressive strength of fly ash-based geopolymer
title_short The effect of KOH concentration on setting time and compressive strength of fly ash-based geopolymer
title_full The effect of KOH concentration on setting time and compressive strength of fly ash-based geopolymer
title_fullStr The effect of KOH concentration on setting time and compressive strength of fly ash-based geopolymer
title_full_unstemmed The effect of KOH concentration on setting time and compressive strength of fly ash-based geopolymer
title_sort effect of koh concentration on setting time and compressive strength of fly ash-based geopolymer
publisher Trans Tech Publications Ltd
publishDate 2014
url https://www.scopus.com/inward/record.uri?eid=2-s2.0-84914110224&doi=10.4028%2fwww.scientific.net%2fAMM.625.94&partnerID=40&md5=4c53a69c53553c7c2f83b02c3edd8067
http://eprints.utp.edu.my/31995/
_version_ 1741197672105115648
score 11.62408

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