Effect of nano-clay on mechanical and thermal properties of geopolymer
The effect of nano-clay platelets (Cloisite 30B) on the mechanical and thermal properties of fly ash geopolymer has been investigated in this paper. The nano-clay platelets are added to reinforce the geopolymer at loadings of 1.0%, 2.0%, and 3.0% by weight. The phase composition and microstructure o...
| Main Authors: | , , |
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| Format: | Journal Article |
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Elsevier
2016
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| Online Access: | http://hdl.handle.net/20.500.11937/14987 |
| _version_ | 1848748770862301184 |
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| author | Assaedi, H. Shaikh, Faiz Low, It Meng |
| author_facet | Assaedi, H. Shaikh, Faiz Low, It Meng |
| author_sort | Assaedi, H. |
| building | Curtin Institutional Repository |
| collection | Online Access |
| description | The effect of nano-clay platelets (Cloisite 30B) on the mechanical and thermal properties of fly ash geopolymer has been investigated in this paper. The nano-clay platelets are added to reinforce the geopolymer at loadings of 1.0%, 2.0%, and 3.0% by weight. The phase composition and microstructure of geopolymer nano-composites are also investigated using X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR) and scanning electron microscope (SEM) techniques. Results show that the mechanical properties of geopolymer nano-composites are improved due to addition of nano-clay. It is found that the addition of 2.0 wt% nano-clay decreases the porosity and increases the nano-composite's resistance to water absorption significantly. The optimum 2.0 wt% nano-clay addition exhibited the highest flexural and compressive strengths, flexural modulus and hardness. The microstructural analysis results indicate that the nano-clay behaves not only as a filler to improve the microstructure, but also as an activator to facilitate the geopolymeric reaction. The geopolymer nano-composite also exhibited better thermal stability than its counterpart pure geopolymer. |
| first_indexed | 2025-11-14T07:10:20Z |
| format | Journal Article |
| id | curtin-20.500.11937-14987 |
| institution | Curtin University Malaysia |
| institution_category | Local University |
| last_indexed | 2025-11-14T07:10:20Z |
| publishDate | 2016 |
| publisher | Elsevier |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | curtin-20.500.11937-149872017-09-13T15:02:14Z Effect of nano-clay on mechanical and thermal properties of geopolymer Assaedi, H. Shaikh, Faiz Low, It Meng The effect of nano-clay platelets (Cloisite 30B) on the mechanical and thermal properties of fly ash geopolymer has been investigated in this paper. The nano-clay platelets are added to reinforce the geopolymer at loadings of 1.0%, 2.0%, and 3.0% by weight. The phase composition and microstructure of geopolymer nano-composites are also investigated using X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR) and scanning electron microscope (SEM) techniques. Results show that the mechanical properties of geopolymer nano-composites are improved due to addition of nano-clay. It is found that the addition of 2.0 wt% nano-clay decreases the porosity and increases the nano-composite's resistance to water absorption significantly. The optimum 2.0 wt% nano-clay addition exhibited the highest flexural and compressive strengths, flexural modulus and hardness. The microstructural analysis results indicate that the nano-clay behaves not only as a filler to improve the microstructure, but also as an activator to facilitate the geopolymeric reaction. The geopolymer nano-composite also exhibited better thermal stability than its counterpart pure geopolymer. 2016 Journal Article http://hdl.handle.net/20.500.11937/14987 10.1016/j.jascer.2015.10.004 Elsevier fulltext |
| spellingShingle | Assaedi, H. Shaikh, Faiz Low, It Meng Effect of nano-clay on mechanical and thermal properties of geopolymer |
| title | Effect of nano-clay on mechanical and thermal properties of geopolymer |
| title_full | Effect of nano-clay on mechanical and thermal properties of geopolymer |
| title_fullStr | Effect of nano-clay on mechanical and thermal properties of geopolymer |
| title_full_unstemmed | Effect of nano-clay on mechanical and thermal properties of geopolymer |
| title_short | Effect of nano-clay on mechanical and thermal properties of geopolymer |
| title_sort | effect of nano-clay on mechanical and thermal properties of geopolymer |
| url | http://hdl.handle.net/20.500.11937/14987 |