Preparation and evaluation of GCD-1 lunar regolith simulant based geopolymer activated by solid sodium silicate
S. Li, Z. Zhou, G. Hu, J. Wu | 2024 | Case Studies in Construction Materials
DOI 10.1016/j.cscm.2024.e03273Needs reviewPDF missing
Methods
11unconfined compressive strength (UCS) testingmechanicalunconfined compression teststrength developmentlaser particle size analyzerparticle size distributionXRF analysischemical compositionXRD analysismineral compositionMicrostructure analysisstructuralSEM-EDS analysisstructuralXRD analysisstructuralX-ray fluorescenceChemical characterization | Benchmarking and comparisonCompressive strength testingMechanical testing | Construction and infrastructureGeopolymerization / alkali activationBinder chemistry | Construction and infrastructure
Properties
17SiO2 contentclose to Apollo 14100%Al2O3 contentclose to Apollo 14100%CaO contentclose to Apollo 14100%TiO2 contentclose to Apollo 14100%FeO contentdeviations from Apollo 14100%MgO contentdeviations from Apollo 14100%K2O contentdeviations from Apollo 14100%P2O5 contentdeviations from Apollo 14100%particle size distributiond50 = 6.21 m100%mineral compositioninvestigated by XRD100%compressive strengthnot specified50%Ca/Si ratio0.22100%Al/Si ratio0.28100%chemical compositionbasalt, anorthite, albite, pyroxene, ilmenite, slag, and fly ash100%mineral compositionbasalt, anorthite, albite, pyroxene, ilmenite, slag, and fly ash100%Porositynot specified0%Mechanical strengthtested for geopolymer or alkali-activated regolith products70%