20.500.12556/DiRROS-16246 High temperature resistant fly-ash and metakaolin-based alkali-activated foams Alkali-activated foams (AAFs) present one of the most promising materials for use in the construction sector. Their main advantages lie in their utilization of waste material and their ability to form at temperatures well below 100 °C, while still competing in performance with foamed glass or ceramics. The present body of research has focused on improving the thermal stability of fly-ash foams by i) adding metakaolin, and ii) changing the activator from sodium-based to potassium-based components. It has been confirmed that a certain increase in thermal resistance is achieved through the addition of metakaolin while changing activators played a crucial role. While sodium-based AAFs without metakaolin start to shrink at approximately 600 °C, samples that have had metakaolin added start to shrink at approximately 700 °C. Samples without metakaolin that have used a potassium activator start to shrink at approximately 800 °C, whereas potassium-based samples with the addition of metakaolin start to shrink at approximately 900 °C. alkali activated materials geopolymers high temperature resistance foams alkalijsko aktivirani materiali geopolimeri visoka temperatura odpornost pene true false true Ceramurgica s.p.a. Angleški jezik Ni določen © 2021 The Author(s) Neznano 2023-02-10 12:57:57 2023-08-01 07:50:58 2023-08-02 03:36:44 0000-00-00 00:00:00 2021 0 0 25105-25120 47 17 0000-00-00 Zaloznikova Objavljeno NiDoloceno 0000-00-00 0000-00-00 2021-06-09 620.1/.2 0272-8842 10.1016/j.ceramint.2021.05.241 66311683 https://www.sciencedirect.com/science/article/pii/S0272884221016412?via%3Dihub Odprti dostop 1 292856b7-a93a-11ed-b359-001a4af901a5 https://dirros.openscience.si/Dokument.php?lang=slv&id=21654 RAZ_Traven_Katja_2021.pdf RAZ_Traven_Katja_2021.pdf 1 F984874B6FED57CF8BED68DCF0468E49 b8c0500e10f4505e0d00a189ffd8b4c7e390a29e430b888bf71df028130dce61 dbf2bf9c-a93a-11ed-b359-001a4af901a5 https://dirros.openscience.si/Dokument.php?lang=slv&id=21655 1-s2.0-S0272884221016412-mmc1.docx 1-s2.0-S0272884221016412-mmc1.docx 1 21AE3629AD5D3F0900D1DDDD6CA85F62 78e34c318bab02620865489438fbb4ce0effa0bda1a6c43884d2878b462653a3 991ebaf4-301e-11ee-8cc8-001a4af901a5 https://dirros.openscience.si/Dokument.php?lang=slv&id=22780 Zavod za gradbeništvo Slovenije 0 0 0