Effect of solid-to-liquid ratio on thin fly ash geopolymer
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2022
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my.unimap-746912022-03-16T01:14:30Z Effect of solid-to-liquid ratio on thin fly ash geopolymer Yun-Ming, Liew Yong-Sing, Ng Yun-Ming, Liew Mohd Mustafa Al Bakri, Abdullah Hui-Teng, Ng Kamarudin, Hussin Cheng Yong, Heah Nurul Aida, Mohd Mortar Sandu, Andrei Victor ymliew@unimap.edu.my Center of Excellence Geopolymer and Green Technology (CEGeoGTech), School of Materials Engineering, Universiti Malaysia Perlis (UniMAP) Faculty of Engineering Technology, Universiti Malaysia Perlis (UniMAP) Faculty of Materials Science and Engineering, Gheorghe Asachi Technical University of Iasi Geopolymers Fly ash geopolymers Link to publisher's homepage at https://iopscience.iop.org/ The present work studies the effect of solid-to-liquid (S/L) ratio on the properties of thin fly ash-based geopolymer. The fly ash geopolymers with dimension of 160 mm × 40 mm × 10 mm were synthesised by using various S/L ratios (1.5, 2.0, 2.5, 3.0 and 3.2). The alkali activator was prepared by mixing 10M sodium hydroxide (NaOH) solution and sodium silicate (Na₂SiO₃) with the Na₂SiO₃/NaOH ratio of 2.5. The samples were cured at 60°C for 6 hours. The performance of fly ash geopolymers was evaluated by testing the flexural strength after 28 days. Results showed that the S/L ratio had an effect on flexural strength. The optimum flexural strength of 5.12 MPa was achieved by the fly ash geopolymer with S/L ratio of 2.5. However, the flexural strength dropped with higher S/L ratio as the workability decreases. However, further experimental lab work should be carried out as there is less knowledge in the study on the flexural strength of thin fly ash geopolymer. 2022 2022-03-16T01:14:30Z 2022-03-16T01:14:30Z 2020-02 Article IOP Conference Services: Material Sciences Engineering, vol.743, 2020, 8 pages 1757-899x (online) http://dspace.unimap.edu.my:80/xmlui/handle/123456789/74691 https://doi.org/10.1088/1757-899x/743/1/012006 en IOP Publishing Ltd |
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Malaysia |
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Universiti Malaysia Perlis |
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English |
| topic |
Geopolymers Fly ash geopolymers |
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Geopolymers Fly ash geopolymers Yun-Ming, Liew Yong-Sing, Ng Yun-Ming, Liew Mohd Mustafa Al Bakri, Abdullah Hui-Teng, Ng Kamarudin, Hussin Cheng Yong, Heah Nurul Aida, Mohd Mortar Sandu, Andrei Victor Effect of solid-to-liquid ratio on thin fly ash geopolymer |
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Link to publisher's homepage at https://iopscience.iop.org/ |
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ymliew@unimap.edu.my |
| author_facet |
ymliew@unimap.edu.my Yun-Ming, Liew Yong-Sing, Ng Yun-Ming, Liew Mohd Mustafa Al Bakri, Abdullah Hui-Teng, Ng Kamarudin, Hussin Cheng Yong, Heah Nurul Aida, Mohd Mortar Sandu, Andrei Victor |
| format |
Article |
| author |
Yun-Ming, Liew Yong-Sing, Ng Yun-Ming, Liew Mohd Mustafa Al Bakri, Abdullah Hui-Teng, Ng Kamarudin, Hussin Cheng Yong, Heah Nurul Aida, Mohd Mortar Sandu, Andrei Victor |
| author_sort |
Yun-Ming, Liew |
| title |
Effect of solid-to-liquid ratio on thin fly ash geopolymer |
| title_short |
Effect of solid-to-liquid ratio on thin fly ash geopolymer |
| title_full |
Effect of solid-to-liquid ratio on thin fly ash geopolymer |
| title_fullStr |
Effect of solid-to-liquid ratio on thin fly ash geopolymer |
| title_full_unstemmed |
Effect of solid-to-liquid ratio on thin fly ash geopolymer |
| title_sort |
effect of solid-to-liquid ratio on thin fly ash geopolymer |
| publisher |
IOP Publishing Ltd |
| publishDate |
2022 |
| url |
http://dspace.unimap.edu.my:80/xmlui/handle/123456789/74691 |
| _version_ |
1729704793079808000 |
| score |
13.222552 |