Early hydration of calcium sulfoaluminate cement in the presence of hydroxyethyl methyl cellulose
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Thermal Analysis and Calorimetry"
DOI: 10.1007/s10973-018-7252-5
Abstract: The influence of hydroxyethyl methyl cellulose (HEMC) on the early hydration evolution of calcium sulfoaluminate (CSA) cement within 72 h was studied by using isothermal calorimetry, thermal analysis (TG–DTA), X-ray diffraction analysis, and environmental scanning electron… read more here.
Keywords: methyl cellulose; calcium sulfoaluminate; cement; hydroxyethyl methyl ... See more keywords
Studies on the early hydration of two modifications of ye'elimite with gypsum
Sign Up to like & getrecommendations! Published in 2017 at "Cement and Concrete Research"
DOI: 10.1016/j.cemconres.2016.11.009
Abstract: Abstract Two modifications of ye'elimite (namely orthorhombic ye'elimite (stoichiometric C4A3$) and iron-containing cubic ye'elimite (C4A2,7F0,3 S ¯ )) were synthesized and the reactions without additional sulfate and with gypsum were tracked by means of heat… read more here.
Keywords: gypsum; ettringite precipitation; modifications elimite; two modifications ... See more keywords
The effect of superplasticizers on rheology and early hydration kinetics of rice husk ash-blended cementitious systems
Sign Up to like & getrecommendations! Published in 2017 at "Construction and Building Materials"
DOI: 10.1016/j.conbuildmat.2017.05.197
Abstract: Abstract Superplasticizers (SPs) have been employed in concrete technology for decades to improve the workability of concrete in its fresh state. The addition of SPs in cement-based systems affects the early properties. Although the interaction… read more here.
Keywords: rice husk; rheology; husk ash; hydration ... See more keywords
Effect of ultra-sonic activation on early hydration process in 3D concrete printing technology
Sign Up to like & getrecommendations! Published in 2018 at "Construction and Building Materials"
DOI: 10.1016/j.conbuildmat.2018.03.007
Abstract: Abstract In this research created binder was adapted for 3D printer and developing process was analysed in detail. According to the research, early setting time and strength is gained due to ettringite crystal growth. Methods… read more here.
Keywords: hydration process; process; setting time; printing technology ... See more keywords
Early hydration study of a new cementitious mineral – Calcium aluminophosphate
Sign Up to like & getrecommendations! Published in 2020 at "Construction and Building Materials"
DOI: 10.1016/j.conbuildmat.2020.119398
Abstract: Abstract Aluminophosphate cement (APC) is a newly designed cementitious material, its clinker mineral composition is different from the existing Portland cement, aluminate cement, and sulphoaluminate cement. The main mineral compounds of APC clinker are calcium… read more here.
Keywords: cement; calcium aluminophosphate; hydration; cap ... See more keywords
Early hydration and microstructure of gypsum plaster revealed by environment scanning electron microscope
Sign Up to like & getrecommendations! Published in 2019 at "Materials Letters"
DOI: 10.1016/j.matlet.2018.09.071
Abstract: Abstract Early hydration and microstructure of gypsum plaster (G) paste in different compositions and hydration time were studied by environment scanning electron microscope (ESEM) coupled with liquid nitrogen cooling. It was observed that small hemihydrate… read more here.
Keywords: early hydration; microstructure; hydration; gypsum plaster ... See more keywords
New understanding of early hydration of C4AF under surface vitrification
Sign Up to like & getrecommendations! Published in 2021 at "Powder Technology"
DOI: 10.1016/j.powtec.2020.08.098
Abstract: Abstract Few reports in the literature adequately address the early phases of the hydration reaction, which leads to crystallization of the hydration product of tetracalcium aluminoferrite (brownmillerite). In the present report, the surface of C4AF… read more here.
Keywords: microscopy; surface; c4af surface; hydration ... See more keywords
Study on the dispersion, adsorption and early hydration behavior of cement pastes containing multi-armed polycarboxylate superplasticizers
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Dispersion Science and Technology"
DOI: 10.1080/01932691.2019.1571925
Abstract: Abstract Multi-armed polycarboxylate superplasticizers (SPCEs) were prepared via esterification-copolymerization in aqueous media from various polyols (including glycerol, xylitol and mannitol), acrylic acid (AA) and isopentenyl oxy polyethylene glycol ether (TPEG). The structures of the SPCEs… read more here.
Keywords: multi armed; adsorption early; armed polycarboxylate; dispersion ... See more keywords
Exploring the Influence Factors of Early Hydration of Ultrafine Cement
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DOI: 10.3390/ma14195677
Abstract: This work intends to contribute to the understanding of the influence factors of early hydration of ultrafine cement by focusing on the different fineness, different kinds of hardening accelerators, and different curing temperatures. Isothermal calorimetry,… read more here.
Keywords: ultrafine cement; cement; influence factors; factors early ... See more keywords
Effects of an Isobutylene–Maleic Anhydride Copolymer on the Rheological Behavior and Early Hydration of Natural Hydraulic Lime
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DOI: 10.3390/polym14194104
Abstract: Natural hydraulic lime (NHL) is a cementitious material widely used in the restoration of stone cultural relics and maintenance of historic buildings, the practical use of which is mainly hindered by its poor fluidity. Due… read more here.
Keywords: hydraulic lime; hydration; isobutylene maleic; maleic anhydride ... See more keywords