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Durability of metakaolin geopolymers with various sodium silicate/sodium hydroxide ratios against seawater exposure

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Main Authors: Nur Ain, Jaya, Mohd Mustafa Al Bakri, Abdullah, Li, Long-Yuan, Sandu, Andrei Victor, Kamarudin, Hussin, Ming, Liew Yun
Other Authors: ainjaya@gmail.com
Format: Article
Language:English
Published: AIP Publishing 2022
Subjects:
Geopolymers
Metakaolin geopolymers
Online Access:http://dspace.unimap.edu.my:80/xmlui/handle/123456789/74573
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spelling my.unimap-745732022-03-04T08:04:55Z Durability of metakaolin geopolymers with various sodium silicate/sodium hydroxide ratios against seawater exposure Nur Ain, Jaya Mohd Mustafa Al Bakri, Abdullah Li, Long-Yuan Sandu, Andrei Victor Kamarudin, Hussin Ming, Liew Yun ainjaya@gmail.com mustafa_albakri@unimap.edu.my Geopolymers Metakaolin geopolymers Link to publisher's homepage at https://aip.scitation.org/ This work presents an investigation of the performance of metakaolin geopolymers exposed to the continuous immersion of seawater. The geopolymers were prepared from metakaolin by activating with a mixture of sodium silicate (Na2SiO3) and sodium hydroxide (NaOH) solutions and cured at 80°C. The ratios of sodium silicate to sodium hydroxide were varied from 0.20 to 0.32. The result showed that metakaolin geopolymers reduce in strength after immersion in seawater for 28 days. The unexposed samples with highest compressive strength attained greatest strength retention. White deposits were formed on the surface of the geopolymers after the exposure to seawater which was believed due to the depolymerisation process of the geopolymer network. Even so, the metakaolin geopolymers did not substantially change in dimension and remain structurally intact 2022-03-04T08:04:55Z 2022-03-04T08:04:55Z 2017-09 Article AIP Conference Proceedings, vol.1887(1), 2017 http://dspace.unimap.edu.my:80/xmlui/handle/123456789/74573 https://doi.org/10.1063/1.5003546 en AIP Publishing
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 Geopolymers
Metakaolin geopolymers
spellingShingle Geopolymers
Metakaolin geopolymers
Nur Ain, Jaya
Mohd Mustafa Al Bakri, Abdullah
Li, Long-Yuan
Sandu, Andrei Victor
Kamarudin, Hussin
Ming, Liew Yun
Durability of metakaolin geopolymers with various sodium silicate/sodium hydroxide ratios against seawater exposure
description Link to publisher's homepage at https://aip.scitation.org/
author2 ainjaya@gmail.com
author_facet ainjaya@gmail.com
Nur Ain, Jaya
Mohd Mustafa Al Bakri, Abdullah
Li, Long-Yuan
Sandu, Andrei Victor
Kamarudin, Hussin
Ming, Liew Yun
format Article
author Nur Ain, Jaya
Mohd Mustafa Al Bakri, Abdullah
Li, Long-Yuan
Sandu, Andrei Victor
Kamarudin, Hussin
Ming, Liew Yun
author_sort Nur Ain, Jaya
title Durability of metakaolin geopolymers with various sodium silicate/sodium hydroxide ratios against seawater exposure
title_short Durability of metakaolin geopolymers with various sodium silicate/sodium hydroxide ratios against seawater exposure
title_full Durability of metakaolin geopolymers with various sodium silicate/sodium hydroxide ratios against seawater exposure
title_fullStr Durability of metakaolin geopolymers with various sodium silicate/sodium hydroxide ratios against seawater exposure
title_full_unstemmed Durability of metakaolin geopolymers with various sodium silicate/sodium hydroxide ratios against seawater exposure
title_sort durability of metakaolin geopolymers with various sodium silicate/sodium hydroxide ratios against seawater exposure
publisher AIP Publishing
publishDate 2022
url http://dspace.unimap.edu.my:80/xmlui/handle/123456789/74573
_version_ 1729704776410595328
score 13.235362

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