Assessment of Microstructure of Nanocomposites through Scanning Electron Microscopy, X-ray Diffraction, Thermogravimetric Analysis, and Fourier transform infrared spectroscopy
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Keywords:
Geopolymer Mortar, Nano-Titania, Durability Performance, X-Ray Diffraction (XRD), Structural Analysis, Mechanical Properties, SustainabilityAbstract
The geopolymer composite (GC) mortars have emerged as a promising alternative to traditional
cement in promoting sustainable and eco-friendly construction practices. To facilitate the practical use of
fiber-reinforced (FR) GC mortars, enhancing their microstructural properties through the incorporation of
micro-fibers and nano-particles is critical. This research focuses on improving the microstructural
characteristics of fly ash-based GC mortars reinforced with micro basalt fibers (BF) by incorporating
varying amounts of nano-Titania. GC mortars were prepared using four Titania dosages (ranging from 1%
to 4%) along with 2 wt.% of BF. Additionally, a control mix containing 2% BF but no Titania was produced
for comparison. To assess the GC formulations' performance and microstructural characteristics, Fourier
Transform Infrared Spectroscopy (FTIR), Thermogravimetric Analysis (TGA), Scanning Electron
Microscopy (SEM), and X-ray Diffraction (XRD) were used.
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