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Properties Of Concrete

Advances in understanding alkali-activated materials

Cement substitution by a combination of metakaolin and limestone

Hydration of cementitious materials, present and future

https://www.dora.lib4ri.ch/psi/islandora/object/psi%3A25804/datastream/PDF2/Lothenbach-2019-Cemdata18-%28accepted_version%29.pdf

Cemdata18: A chemical thermodynamic database for hydrated Portland cements and alkali-activated materials

Investigation of the hydration and bioactivity of radiopacified tricalcium silicate cement, Biodentine and MTA Angelus

a b s t r a c t Objective. Novel root-end filling materials are composed of tricalcium silicate (TCS) and radiopacifier as opposed to the traditional mineral trioxide aggregate (MTA) which is made up of clinker derived from Portland cement and bismuth oxide. The aim of this research was to characterize and investigate the hydration of a tricalcium silicate-based proprietary brand cement (BiodentineTM) and a laboratory manufactured cement made with a mixture of tricalcium silicate and zirconium oxide (TCS-20-Z) and compare their properties to MTA AngelusTM. Methods. The materials investigated included a cement containing 80% of TCS and 20% zirconium oxide (TCS-20-Z), BiodentineTM and MTA AngelusTM. The specific surface area and the particle size distribution of the un-hydrated cements and zirconium oxide were investigated using a gas adsorption method and scanning electron microscopy. Un-hydrated cements and set materials were tested for mineralogy and microstructure, assessment of bioactivity and hydration. Scanning electron microscopy, X-ray energy dispersive analysis, X-ray fluorescence spectroscopy, X-ray diffraction, Rietveld refined X-ray diffraction and calorimetry were employed. The radiopacity of the materials was investigated using ISO 6876 methods. Results. The un-hydrated cements were composed of tricalcium silicate and a radiopacifier phase; zirconium oxide for both Biodentine TM and TCS-20-Z whereas bismuth oxide for MTA AngelusTM. In addition BiodentineTM contained calcium carbonate particles and

Denis Damidot

Papers

Investigation of the hydration and bioactivity of radiopacified tricalcium silicate cement, Biodentine and MTA Angelus

Investigation of the hydration and bioactivity of radiopacified tricalcium silicate cement, Biodentine and

Thermodynamics and cement science

Characterization and quantification of self-healing behaviors of microcracks due to further hydration in cement paste

Effect of blast furnace slag on self-healing of microcracks in cementitious materials