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Correlation of microstructure and flexural strength of fly ash geopolymer of varying molarities

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Main Authors: Yun-Ming, Liew, Yong-Sing, Ng, Cheng-Yong, Heah, Mohd Mustafa Al Bakri, Abdullah, Hui-Teng, Ng, Amir, Naveed
Other Authors: ymliew@unimap.edu.my
Format: Article
Language:English
Published: IOP Publishing Ltd 2022
Subjects:
Fly ash geopolymers
Geopolymers
Online Access:http://dspace.unimap.edu.my:80/xmlui/handle/123456789/74671
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spelling my.unimap-746712022-03-15T08:15:12Z Correlation of microstructure and flexural strength of fly ash geopolymer of varying molarities Yun-Ming, Liew Yong-Sing, Ng Yun-Ming, Liew Cheng-Yong, Heah Mohd Mustafa Al Bakri, Abdullah Hui-Teng, Ng Amir, Naveed ymliew@unimap.edu.my Center of Excellence Geopolymer and Green Technology (CEGeoGTech), School of Materials Engineering, Universiti Malaysia Perlis (UniMAP) Department of Chemical Engineering, University of Engineering & Technology Peshawar Fly ash geopolymers Geopolymers Link to publisher's homepage at https://iopscience.iop.org/ The present work studies and compares the flexural properties of fly ash geopolymer with varying molarity of sodium hydroxide (NaOH). Different molarities of NaOH solution (6M, 8M, 10M, 12M and 14M) are used to prepare the alkali activator (a mixture of NaOH and sodium silicate). The fly ash geopolymer were synthesised by using the solid/liquid ratio of 2.5 and sodium silicate/NaOH ratio of 2.5. The samples were cured at 60°C for 6 hours. The flexural test and microstructural analysis of fly ash geopolymer are performed after 28 days. Generally, the flexural strength of fly ash geopolymer increases when the molarity of NaOH increases. The 12M geopolymer has the highest flexural strength and a more densified microstructure is observed. 2022 2022-03-15T08:15:12Z 2022-03-15T08:15:12Z 2019-08 Article IOP Conference Services: Material Sciences Engineering, vol.551, 2019, 6 pages 1757-899x (online) http://dspace.unimap.edu.my:80/xmlui/handle/123456789/74671 https://doi.org/10.1088/1757-899x/551/1/012087 en IOP Publishing Ltd
institution Universiti Malaysia Perlis
building UniMAP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Perlis
content_source UniMAP Library Digital Repository
url_provider http://dspace.unimap.edu.my/
language English
topic Fly ash geopolymers
Geopolymers
spellingShingle Fly ash geopolymers
Geopolymers
Yun-Ming, Liew
Yong-Sing, Ng
Yun-Ming, Liew
Cheng-Yong, Heah
Mohd Mustafa Al Bakri, Abdullah
Hui-Teng, Ng
Amir, Naveed
Correlation of microstructure and flexural strength of fly ash geopolymer of varying molarities
description Link to publisher's homepage at https://iopscience.iop.org/
author2 ymliew@unimap.edu.my
author_facet ymliew@unimap.edu.my
Yun-Ming, Liew
Yong-Sing, Ng
Yun-Ming, Liew
Cheng-Yong, Heah
Mohd Mustafa Al Bakri, Abdullah
Hui-Teng, Ng
Amir, Naveed
format Article
author Yun-Ming, Liew
Yong-Sing, Ng
Yun-Ming, Liew
Cheng-Yong, Heah
Mohd Mustafa Al Bakri, Abdullah
Hui-Teng, Ng
Amir, Naveed
author_sort Yun-Ming, Liew
title Correlation of microstructure and flexural strength of fly ash geopolymer of varying molarities
title_short Correlation of microstructure and flexural strength of fly ash geopolymer of varying molarities
title_full Correlation of microstructure and flexural strength of fly ash geopolymer of varying molarities
title_fullStr Correlation of microstructure and flexural strength of fly ash geopolymer of varying molarities
title_full_unstemmed Correlation of microstructure and flexural strength of fly ash geopolymer of varying molarities
title_sort correlation of microstructure and flexural strength of fly ash geopolymer of varying molarities
publisher IOP Publishing Ltd
publishDate 2022
url http://dspace.unimap.edu.my:80/xmlui/handle/123456789/74671
_version_ 1729704790280110080
score 13.222552

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