Accelerated microwave curing of hybrid geopolymers with nano-silica for enhanced physico-mechanical properties
This paper presents the microwave curing method as an alternative to conventional thermal curing of hybrid (fly ash-slag) geopolymer mortars (GMs) to achieve comparable performance with significantly reduced curing times. This study aimed to ascertain the impact of varying nano-silica contents (0.5%...
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| Format: | Article |
| Language: | English |
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Yildiz Technical University
2024-12-01
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| Series: | Journal of Sustainable Construction Materials and Technologies |
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| Online Access: | https://dergipark.org.tr/en/download/article-file/4464858 |
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| author | Mücteba Uysal Beyza Fahriye Aygün Sarsenbek Montayev Bolat Balapanov |
| author_facet | Mücteba Uysal Beyza Fahriye Aygün Sarsenbek Montayev Bolat Balapanov |
| author_sort | Mücteba Uysal |
| collection | DOAJ |
| description | This paper presents the microwave curing method as an alternative to conventional thermal curing of hybrid (fly ash-slag) geopolymer mortars (GMs) to achieve comparable performance with significantly reduced curing times. This study aimed to ascertain the impact of varying nano-silica contents (0.5%, 0.75%, and 1%) on the geopolymer matrix to identify the optimal dosage for enhancing densification and bond improvement phases. Mixture proportions were designed to achieve high mechanical and durability performances. The activator/binder (A/B) ratio was set at 0.71, the sodium silicate to sodium hydroxide ratio at 1.5, and the sand/binder (S/B) ratio at 2.5. This study considered two curing methods: thermal curing at 80 °C for 24 hours and microwave curing at 119 W for 3 minutes. The latter method produces equivalent thermal effects in a significantly shorter time. Physical properties tested after seven days included water absorption, porosity, and mechanical properties related to compressive and flexural strength. The results demonstrated that incorporating NS markedly enhanced the physical and mechanical characteristics. Moreover, microwave curing has been identified as apromising approach for producing hybrid geopolymers, offering a low-energy and high-performance alternative. |
| format | Article |
| id | doaj-art-17fb8ab3b5dd4b85a28f36e8d98e863a |
| institution | Kabale University |
| issn | 2458-973X |
| language | English |
| publishDate | 2024-12-01 |
| publisher | Yildiz Technical University |
| record_format | Article |
| series | Journal of Sustainable Construction Materials and Technologies |
| spelling | doaj-art-17fb8ab3b5dd4b85a28f36e8d98e863a2025-01-05T06:44:27ZengYildiz Technical UniversityJournal of Sustainable Construction Materials and Technologies2458-973X2024-12-019434635410.47481/jscmt.1606833252Accelerated microwave curing of hybrid geopolymers with nano-silica for enhanced physico-mechanical propertiesMücteba Uysal0Beyza Fahriye Aygün1Sarsenbek Montayev2Bolat Balapanov3YILDIZ TECHNICAL UNIVERSITY, FACULTY OF CIVIL ENGINEERING, DEPARTMENT OF CIVIL ENGINEERINGISTANBUL UNIVERSITY-CERRAHPASA, FACULTY OF ENGINEERING, DEPARTMENT OF CIVIL ENGINEERING, CIVIL ENGINEERING PR.Industrial Technological Institute, Zhangir Khan West-Kazakhstan Agrarian and Technical UniversityKorkyt Ata Kyzylorda State UniversityThis paper presents the microwave curing method as an alternative to conventional thermal curing of hybrid (fly ash-slag) geopolymer mortars (GMs) to achieve comparable performance with significantly reduced curing times. This study aimed to ascertain the impact of varying nano-silica contents (0.5%, 0.75%, and 1%) on the geopolymer matrix to identify the optimal dosage for enhancing densification and bond improvement phases. Mixture proportions were designed to achieve high mechanical and durability performances. The activator/binder (A/B) ratio was set at 0.71, the sodium silicate to sodium hydroxide ratio at 1.5, and the sand/binder (S/B) ratio at 2.5. This study considered two curing methods: thermal curing at 80 °C for 24 hours and microwave curing at 119 W for 3 minutes. The latter method produces equivalent thermal effects in a significantly shorter time. Physical properties tested after seven days included water absorption, porosity, and mechanical properties related to compressive and flexural strength. The results demonstrated that incorporating NS markedly enhanced the physical and mechanical characteristics. Moreover, microwave curing has been identified as apromising approach for producing hybrid geopolymers, offering a low-energy and high-performance alternative.https://dergipark.org.tr/en/download/article-file/4464858curing methodsgeopolymersmechanical propertiesmicrowave curingphysicalproperties |
| spellingShingle | Mücteba Uysal Beyza Fahriye Aygün Sarsenbek Montayev Bolat Balapanov Accelerated microwave curing of hybrid geopolymers with nano-silica for enhanced physico-mechanical properties Journal of Sustainable Construction Materials and Technologies curing methods geopolymers mechanical properties microwave curing physicalproperties |
| title | Accelerated microwave curing of hybrid geopolymers with nano-silica for enhanced physico-mechanical properties |
| title_full | Accelerated microwave curing of hybrid geopolymers with nano-silica for enhanced physico-mechanical properties |
| title_fullStr | Accelerated microwave curing of hybrid geopolymers with nano-silica for enhanced physico-mechanical properties |
| title_full_unstemmed | Accelerated microwave curing of hybrid geopolymers with nano-silica for enhanced physico-mechanical properties |
| title_short | Accelerated microwave curing of hybrid geopolymers with nano-silica for enhanced physico-mechanical properties |
| title_sort | accelerated microwave curing of hybrid geopolymers with nano silica for enhanced physico mechanical properties |
| topic | curing methods geopolymers mechanical properties microwave curing physicalproperties |
| url | https://dergipark.org.tr/en/download/article-file/4464858 |
| work_keys_str_mv | AT muctebauysal acceleratedmicrowavecuringofhybridgeopolymerswithnanosilicaforenhancedphysicomechanicalproperties AT beyzafahriyeaygun acceleratedmicrowavecuringofhybridgeopolymerswithnanosilicaforenhancedphysicomechanicalproperties AT sarsenbekmontayev acceleratedmicrowavecuringofhybridgeopolymerswithnanosilicaforenhancedphysicomechanicalproperties AT bolatbalapanov acceleratedmicrowavecuringofhybridgeopolymerswithnanosilicaforenhancedphysicomechanicalproperties |