Influence of partial replacement of calcined red clay by gypsum-bonded casting investment waste on geopolymerization reaction of red clay-based geopolymer
The main objective of this research is to study the influence of partial replacement of calcined red clay by gypsum-bonded casting investment waste (GCIW) from precious metal casting process on geopolymerization reaction of a red clay-based geopolymer. Calcined red clay was partially replaced by GCI...
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| Format: | Article |
| Language: | English |
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Elsevier
2024-01-01
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| Series: | Heliyon |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S2405844024004791 |
| _version_ | 1797328651675500544 |
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| author | Sitthisak Prasanphan Sujitra Onutai Nithiwach Nawaukkaratharnant |
| author_facet | Sitthisak Prasanphan Sujitra Onutai Nithiwach Nawaukkaratharnant |
| author_sort | Sitthisak Prasanphan |
| collection | DOAJ |
| description | The main objective of this research is to study the influence of partial replacement of calcined red clay by gypsum-bonded casting investment waste (GCIW) from precious metal casting process on geopolymerization reaction of a red clay-based geopolymer. Calcined red clay was partially replaced by GCIW powder with different contents before mixing with sodium-based alkali activator solution to produce the geopolymers. The results indicate that the GCIW significantly impacted the reaction of flesh geopolymers detected by Differential scanning calorimetry (DSC). The reaction products (hydration products and others) of 28-day geopolymers detected by Fourier transform Infrared spectroscopy (FTIR) and X-ray diffractometry (XRD) were employed to support the reaction results. Moreover, the relation between reaction products and compressive strength was discussed. This work concluded that the calcium sulfate compounds contained in GCIW play an important role on geopolymerization reaction, reaction products, and mechanical properties of geopolymer. Furthermore, the results could be employed to propose a reaction mechanism that occurred in geopolymers. The potential use of GCIW as an additive for red clay-based geopolymer bricks preparation was confirmed in this research. |
| first_indexed | 2024-03-08T06:54:46Z |
| format | Article |
| id | doaj.art-40e20e65acbb47118f4bda917f4b5ed6 |
| institution | Directory Open Access Journal |
| issn | 2405-8440 |
| language | English |
| last_indexed | 2024-03-08T06:54:46Z |
| publishDate | 2024-01-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Heliyon |
| spelling | doaj.art-40e20e65acbb47118f4bda917f4b5ed62024-02-03T06:37:31ZengElsevierHeliyon2405-84402024-01-01102e24448Influence of partial replacement of calcined red clay by gypsum-bonded casting investment waste on geopolymerization reaction of red clay-based geopolymerSitthisak Prasanphan0Sujitra Onutai1Nithiwach Nawaukkaratharnant2National Metal and Materials Technology Center, 114 Thailand Science Park, Phahonyothin Road, Khlong Nueng, Khlong Luang, Pathum Thani 12120, ThailandNuclear Fuel Cycle Engineering Laboratories, Japan Atomic Energy Agency, 4-33, Muramatsu, Tokai-mura, Naga-gun, Ibaraki, 319-1194, JapanMetallurgy and Materials Science Research Institute, Chulalongkorn University, 254 Phyathai Road, Pathum Wan, Bangkok 10330, Thailand; Upcycled Materials from Industrial and Agricultural Wastes Research Unit, Department of Materials Science, Faculty of Science, Chulalongkorn University, Phyathai Road, Bangkok, 10330, Thailand; Corresponding author. Metallurgy and Materials Science Research Institute, Chulalongkorn University, 254 Phyathai Road, Pathum Wan, Bangkok 10330, Thailand.The main objective of this research is to study the influence of partial replacement of calcined red clay by gypsum-bonded casting investment waste (GCIW) from precious metal casting process on geopolymerization reaction of a red clay-based geopolymer. Calcined red clay was partially replaced by GCIW powder with different contents before mixing with sodium-based alkali activator solution to produce the geopolymers. The results indicate that the GCIW significantly impacted the reaction of flesh geopolymers detected by Differential scanning calorimetry (DSC). The reaction products (hydration products and others) of 28-day geopolymers detected by Fourier transform Infrared spectroscopy (FTIR) and X-ray diffractometry (XRD) were employed to support the reaction results. Moreover, the relation between reaction products and compressive strength was discussed. This work concluded that the calcium sulfate compounds contained in GCIW play an important role on geopolymerization reaction, reaction products, and mechanical properties of geopolymer. Furthermore, the results could be employed to propose a reaction mechanism that occurred in geopolymers. The potential use of GCIW as an additive for red clay-based geopolymer bricks preparation was confirmed in this research.http://www.sciencedirect.com/science/article/pii/S2405844024004791Gypsum-bonded casting investment wasteRed clay-based geopolymerGeopolymerization reactionDifferential scanning calorimetryWaste utilization |
| spellingShingle | Sitthisak Prasanphan Sujitra Onutai Nithiwach Nawaukkaratharnant Influence of partial replacement of calcined red clay by gypsum-bonded casting investment waste on geopolymerization reaction of red clay-based geopolymer Heliyon Gypsum-bonded casting investment waste Red clay-based geopolymer Geopolymerization reaction Differential scanning calorimetry Waste utilization |
| title | Influence of partial replacement of calcined red clay by gypsum-bonded casting investment waste on geopolymerization reaction of red clay-based geopolymer |
| title_full | Influence of partial replacement of calcined red clay by gypsum-bonded casting investment waste on geopolymerization reaction of red clay-based geopolymer |
| title_fullStr | Influence of partial replacement of calcined red clay by gypsum-bonded casting investment waste on geopolymerization reaction of red clay-based geopolymer |
| title_full_unstemmed | Influence of partial replacement of calcined red clay by gypsum-bonded casting investment waste on geopolymerization reaction of red clay-based geopolymer |
| title_short | Influence of partial replacement of calcined red clay by gypsum-bonded casting investment waste on geopolymerization reaction of red clay-based geopolymer |
| title_sort | influence of partial replacement of calcined red clay by gypsum bonded casting investment waste on geopolymerization reaction of red clay based geopolymer |
| topic | Gypsum-bonded casting investment waste Red clay-based geopolymer Geopolymerization reaction Differential scanning calorimetry Waste utilization |
| url | http://www.sciencedirect.com/science/article/pii/S2405844024004791 |
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