Investigation of high-temperature resistance of natural pozzolan-based geopolymers produced with oven and microwave curing
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Dosyalar
Tarih
2023
Yazarlar
Dergi Başlığı
Dergi ISSN
Cilt Başlığı
Yayıncı
Elsevier Sci Ltd
Erişim Hakkı
info:eu-repo/semantics/closedAccess
Özet
In this study, high-temperature resistances of oven- and microwave-cured pumice-, perlite-, fly ash- and burnt clay-based geopolymer were investigated and, the results were compared with that of the cement mortars. The effect of high-temperature on the matrix microstructure was investigated by SEM and changes in the crystal structure were monitored by XRD analyses. High-temperature experiments were carried out with 3 h exposure to 450, 600, 750 and 900 degrees C. The results indicated that both oven- and microwave-cured geopolymer mortars are more resistant to high-temperatures at all temperatures than their portland cement counterpart. However, it was also determined that pumice- and perlite-based mortars could not maintain their volumetric stability at elevated temperatures.
Açıklama
Anahtar Kelimeler
Geopolymer; Microwave Curing; High -Temperature; Pumice; Perlite, Ash-Based Geopolymer; Strength; Concrete
Kaynak
Construction and Building Materials
WoS Q Değeri
Q1
Scopus Q Değeri
Q1
Cilt
365
