Publication:
Effect of NaOH molar concentration on microstructure and compressive strength of Dolomite/Fly Ash-Based geopolymers

cris.virtual.department Universiti Malaysia Perlis
cris.virtual.department Universiti Malaysia Perlis
cris.virtualsource.department 1fb76e68-0c75-4529-ac9f-cf51941493f8
cris.virtualsource.department cbf7230d-e756-44ba-b999-4b3ad51f1e55
dc.contributor.author Emy Aizat Azimi
dc.contributor.author M.A.A. Mohd Salleh
dc.contributor.author Mohd. Mustafa Al Bakri Abdullah
dc.contributor.author Ikmal Hakem A. Aziz
dc.contributor.author Kamarudin Hussin
dc.contributor.author Jitrin Chaiprapa
dc.contributor.author Petrica Vizureanu
dc.contributor.author Sorachon Yoriya
dc.contributor.author Marcin Nabiałek
dc.contributor.author Jerzy J. Wyslocki
dc.date.accessioned 2024-10-05T14:12:09Z
dc.date.available 2024-10-05T14:12:09Z
dc.date.issued 2021
dc.description.abstract Dolomite can be used as a source of aluminosilicate to produce geopolymers; however, this approach is limited by its low reactivity. This study analyzes the viability of producing geopolymers using dolomite/fly-ash with sodium silicate and NaOH solutions (at multiple concentrations) by determining the resultant geopolymers’ compressive strengths. The dolomite/fly-ash-based geopolymers at a NaOH concentration of ~22 M resulted in an optimum compressive strength of 46.38 MPa after being cured for 28 days, and the SEM and FTIR analyses confirmed the denser surface of the geopolymer matrix. The synchrotron micro-XRF analyses confirmed that the Ca concentration exceeded that of Si and Mg, leading to the formation of calcium silicate hydrate, which strengthens the resulting geopolymers.
dc.identifier.doi 10.24425/amm.2022.139693
dc.identifier.uri https://journals.pan.pl/Content/124030/PDF/AMM-2022-3-24-Al%20Bakri.pdf
dc.identifier.uri https://journals.pan.pl/dlibra
dc.identifier.uri https://hdl.handle.net/20.500.14170/9372
dc.language.iso en
dc.relation.ispartof Archives of Metallurgy and Materials
dc.relation.issn 2300-1909
dc.subject Dolomite/Fly Ash
dc.subject Geopolymer
dc.subject NaOH Concentration
dc.subject Synchrotron Micro-XRF
dc.title Effect of NaOH molar concentration on microstructure and compressive strength of Dolomite/Fly Ash-Based geopolymers
dc.type journal-article
dspace.entity.type Publication
oaire.citation.endPage 998
oaire.citation.issue 3
oaire.citation.startPage 993
oaire.citation.volume 67
oairecerif.author.affiliation Universiti Malaysia Perlis
oairecerif.author.affiliation Universiti Malaysia Perlis
oairecerif.author.affiliation Universiti Malaysia Perlis
oairecerif.author.affiliation Universiti Malaysia Perlis
oairecerif.author.affiliation Universiti Malaysia Perlis
oairecerif.author.affiliation University Avenue
oairecerif.author.affiliation Technical University
oairecerif.author.affiliation National Metal and Materials Technology Center (MTEC)
oairecerif.author.affiliation Czestochowa University of Technology
oairecerif.author.affiliation Czestochowa University of Technology
Files
Original bundle
Now showing 1 - 1 of 1
Thumbnail Image
Name:
Effect of Naoh Molar Concentration on Microstructure and Compressive Strength.pdf
Size:
4.88 MB
Format:
Adobe Portable Document Format
Description:
Collections