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7 results on '"Jamaludin, Liyana"'

1. Mechanical Performance, Microstructure, and Porosity Evolution of Fly Ash Geopolymer after Ten Years of Curing Age

Author

Aziz, Ikmal Hakem A., primary, Abdullah, Mohd Mustafa Al Bakri, additional, Razak, Rafiza Abd, additional, Yahya, Zarina, additional, Salleh, Mohd Arif Anuar Mohd, additional, Chaiprapa, Jitrin, additional, Rojviriya, Catleya, additional, Vizureanu, Petrica, additional, Sandu, Andrei Victor, additional, Tahir, Muhammad FaheemMohd, additional, Abdullah, Alida, additional, and Jamaludin, Liyana, additional

Published
2023
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4. Geopolymer coating paste on concrete for photocatalytic performance

Author

Jamaludin, Liyana, Abd Razak, Rafiza, Abdullah, Mohd Mustafa Al Bakri, Kusbiantoro, Andri, Jamaludin, Liyana, Abd Razak, Rafiza, Abdullah, Mohd Mustafa Al Bakri, and Kusbiantoro, Andri

Abstract

Construction materials mainly used Portland cement as raw materials mainly caused global warming effect around the world. This article report a review on a research work carried out on the use of geopolymer coating on the concrete surface with catalyst for a good adsorption and efficiency via photocatalytic activity using sunlight. The geopolymer paste deposited by coating on the concrete or other building construction surface. The geopolymer paste were prepared by mixing aluminosilicates material with alkaline activator added with catalyst materials such as titanium dioxide and zinc oxide. The performance of geopolymer coating in removal of dyes reported comparable with other materials. Photocatalytic activity performance evaluate by adsorption of dyes onto geopolymer.

Published
2021

7. Fly Ash Porous Material using Geopolymerization Process for High Temperature Exposure.

Author

Al Bakri Abdullah, Mohd Mustafa, Jamaludin, Liyana, Hussin, Kamarudin, Bnhussain, Mohamed, Ruzaidi Ghazali, Che Mohd, and Ahmad, Mohd Izzat

Subjects
*FLY ash, *POROUS materials, *POLYMERIZATION, *HIGH temperatures, *TEMPERATURE effect, *POLYMERS, *SODIUM hydroxide, *SOLUBLE glass
Abstract

This paper presents the results of a study on the effect of temperature on geopolymers manufactured using pozzolanic materials (fly ash). In this paper, we report on our investigation of the performance of porous geopolymers made with fly ash after exposure to temperatures from 600 °C up to 1000 °C. The research methodology consisted of pozzolanic materials (fly ash) synthesized with a mixture of sodium hydroxide and sodium silicate solution as an alkaline activator. Foaming agent solution was added to geopolymer paste. The geopolymer paste samples were cured at 60 °C for one day and the geopolymers samples were sintered from 600 °C to 1000 °C to evaluate strength loss due to thermal damage. We also studied their phase formation and microstructure. The heated geopolymers samples were tested by compressive strength after three days. The results showed that the porous geopolymers exhibited strength increases after temperature exposure. [ABSTRACT FROM AUTHOR]

Published
2012
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