Strength and Microstructure of Geopolymer Based on Fly Ash and Metakaolin

Article


Barbhuiya, S. and Pang, E. 2022. Strength and Microstructure of Geopolymer Based on Fly Ash and Metakaolin. Materials. 15 (Art. 3732). https://doi.org/10.3390/ma15103732
AuthorsBarbhuiya, S. and Pang, E.
Abstract

The production of Portland cement is widely regarded as a major source of greenhouse gas emissions. This contributes to 6–7% of total CO₂ emissions, according to the International Energy Agency. As a result, several efforts have been made in recent decades to limit or eliminate the usage of Portland cement in concrete. Geopolymer has garnered a lot of attention among the numerous alternatives due to its early compressive strength, low permeability, high chemical resistance, and great fire-resistant behaviour. This study looks at the strength and microstructure of geopolymer based on fly ash and a combination of metakaolin and fly ash. Compressive strengths were measured at 7, 14, and 28 days, and microstructure was examined using SEM and XRD.

JournalMaterials
Journal citation15 (Art. 3732)
ISSN1996-1944
Year2022
PublisherMDPI
Publisher's version
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Anyone
Digital Object Identifier (DOI)https://doi.org/10.3390/ma15103732
Publication dates
Online23 May 2022
Publication process dates
Accepted20 May 2022
Deposited14 Jun 2022
Copyright holder© 2022 The Authors
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