The effect of metakaolin upon the formation of ettringite in metakaolin–lime–gypsum ternary systems
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Thermal Analysis and Calorimetry"
DOI: 10.1007/s10973-017-6885-0
Abstract: The present study reports the results of investigation on the role of metakaolin in the formation of ettringite in a model relevant to Portland cement. The model consists of ternary system (Trio) metakaolin–lime–gypsum. Five samples… read more here.
Keywords: formation ettringite; formation; lime gypsum; metakaolin lime ... See more keywords
Predictive modelling of hydration and mechanical performance of low Ca composite cements: Possibilities and limitations from industrial perspective
Sign Up to like & getrecommendations! Published in 2017 at "Cement and Concrete Research"
DOI: 10.1016/j.cemconres.2017.05.020
Abstract: Abstract We quantified hydration and performance development of composites cements containing metakaolin in the rage of 0–40% and investigated applicability of thermodynamic and micromechanical models to predict the evolution of hydrates assemblage and of performance,… read more here.
Keywords: hydration mechanical; predictive modelling; modelling hydration; performance ... See more keywords
Isothermal calorimetry and in-situ XRD study of the NaOH activated fly ash, metakaolin and slag.
Sign Up to like & getrecommendations! Published in 2018 at "Cement and Concrete Research"
DOI: 10.1016/j.cemconres.2017.10.004
Abstract: Abstract Much is unknown about the reaction processes responsible for the formation and polycondensation of geopolymers and other alkali activated materials. In this work, isothermal calorimeter and in-situ XRD were adopted to study the heat… read more here.
Keywords: activated fly; slag; situ xrd; naoh activated ... See more keywords
Influence of calcium and magnesium carbonates on hydration kinetics, hydrate assemblage and microstructural development of metakaolin containing composite cements
Sign Up to like & getrecommendations! Published in 2018 at "Cement and Concrete Research"
DOI: 10.1016/j.cemconres.2018.01.008
Abstract: Abstract The hydration of metakaolin composite cements containing quartz, natural limestone and dolomite rock is studied using a multi-method approach and modelling. The study demonstrates that the calcite present in limestone and dolomite rock is… read more here.
Keywords: magnesium carbonates; composite cements; metakaolin; influence calcium ... See more keywords
Properties and reaction mechanism of phosphoric acid activated metakaolin geopolymer at varied curing temperatures
Sign Up to like & getrecommendations! Published in 2021 at "Cement and Concrete Research"
DOI: 10.1016/j.cemconres.2021.106425
Abstract: Abstract Reaction mechanism of phosphoric activated metakaolin is studied by techniques of calorimetry, ICP-OES, FTIR and NMR taking curing temperature and [H3PO4] as variables. A two-stage curing method including pre-curing at 40 °C for 24 h and… read more here.
Keywords: activated metakaolin; properties reaction; metakaolin; mechanism phosphoric ... See more keywords
Metakaolin-based nano-structuring of polymeric carbon nitride and synchronous composite construction for superior photocatalytic H2 evolution
Sign Up to like & getrecommendations! Published in 2020 at "Applied Clay Science"
DOI: 10.1016/j.clay.2019.105320
Abstract: Abstract Nanostructure-tailoring and composite-construction are two effective strategies to optimize polymeric carbon nitride (PCN) for advanced photocatalysis. Herein, a vapor deposition process was adopted to grow PCN nanosheets on the surface of the cheap mineral… read more here.
Keywords: construction; polymeric carbon; composite construction; carbon nitride ... See more keywords
Chemical and mechanical characterization of ternary cement pastes containing metakaolin and nanosilica
Sign Up to like & getrecommendations! Published in 2018 at "Construction and Building Materials"
DOI: 10.1016/j.conbuildmat.2017.10.123
Abstract: Abstract This paper, for the first time, focuses on the characterization of the chemical and mechanical properties of ternary cement pastes with the addition of up to 18% of metakaolin and colloidal nanosilica. The paste… read more here.
Keywords: cement pastes; chemical mechanical; metakaolin nanosilica; ternary cement ... See more keywords
Effects of metakaolin on properties and microstructure of magnesium phosphate cement
Sign Up to like & getrecommendations! Published in 2020 at "Construction and Building Materials"
DOI: 10.1016/j.conbuildmat.2019.117353
Abstract: Abstract Metakaolin has been generally used as a filler in Portland cement-based materials, and it was proved to be able to enhance the performance of magnesium phosphate cement composites. In this research, metakaolin was introduced… read more here.
Keywords: phosphate cement; magnesium phosphate; cement; effects metakaolin ... See more keywords
Effect of microwave curing on metakaolin-quartz-based geopolymer bricks
Sign Up to like & getrecommendations! Published in 2020 at "Construction and Building Materials"
DOI: 10.1016/j.conbuildmat.2020.120354
Abstract: Abstract In this paper, the effect of microwave curing on the mechanical strength and microstructure of metakaolin geopolymers with quartz sand was investigated. Depending on the heat transfer from the surface to the core of… read more here.
Keywords: strength; microwave curing; geopolymer; metakaolin ... See more keywords
Chloride binding capacity of metakaolin and nanosilica supplementary pozzolanic cementitious materials in aqueous phase
Sign Up to like & getrecommendations! Published in 2021 at "Construction and Building Materials"
DOI: 10.1016/j.conbuildmat.2021.123903
Abstract: Abstract This work reports the differences in chloride binding capacity as well as formation of hydrated calcium silicate and hydrated calcium aluminium silicate gels in aqueous phase of calcium hydroxide and sodium chloride with different… read more here.
Keywords: metakaolin; spectroscopy; chloride binding; binding capacity ... See more keywords
Mechanical property, sorptivity and microstructure of steam-cured concrete incorporated with the combination of metakaolin-limestone
Sign Up to like & getrecommendations! Published in 2019 at "Case Studies in Construction Materials"
DOI: 10.1016/j.cscm.2019.e00267
Abstract: Abstract To explore the feasibility of using metakaolin and limestone in steam-cured concrete, mechanical property, sorptivity and microstructure of steam-cured concrete incorporated with the combination of metakaolin-limestone powder were studied, with steam-cured concrete incorporated with… read more here.
Keywords: metakaolin limestone; metakaolin; steam cured; cured concrete ... See more keywords