Relevant bibliographies by topics / C3S [Silicate tricalcique]

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  2. Dissertations / Theses

Academic literature on the topic 'C3S [Silicate tricalcique]'

Author: Grafiati
Published: 4 June 2021
Last updated: 4 February 2022

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Journal articles on the topic "C3S [Silicate tricalcique]"

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Qi, Tianqi, Wei Zhou, Xinghong Liu, Qiao Wang, and Sifan Zhang. "Predictive Hydration Model of Portland Cement and Its Main Minerals Based on Dissolution Theory and Water Diffusion Theory." Materials 14, no. 3 (2021): 595. http://dx.doi.org/10.3390/ma14030595.

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Efficient and accurate cement hydration simulation is an important issue for predicting and analyzing concrete’s performance evolution. A large number of models have been proposed to describe cement hydration. Some models can simulate the test results with high accuracy by constructing reasonable functions, but they are based on mathematical regression and lack of physical background and prediction ability. Other models, such as the famous HYMOSTRUC model and CEMHYD3D model, can predict the hydration rate and microstructure evolution of cement based on its initial microstructure. However, this
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2

Zhao, Yan Ting, Xi Chen, Ling Chao Lu, Yong Bo Huang, and Jie Zhang. "Determination of Tricalcium Silicates Crystal Forms in Belite-Barium Calcium Sulphoaluminate Cement." Applied Mechanics and Materials 541-542 (March 2014): 204–8. http://dx.doi.org/10.4028/www.scientific.net/amm.541-542.204.

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Chemical method of extraction was adopted in the study, and aqueous solution of potassium hydroxide and sucrose (KOSH) was used to obtain the clinker rich in silicate phases (alite and belite) in order to get the crystal forms of tricalcium silicates (C3S) in the belite-barium calcium sulphoaluminate cement clinker. The crystal forms of C3S were finally determined by XRD (X-ray diffraction) spectrums through its characteristic windows of the diffraction spectrums. Results shows that, C3S exists in the innovative cement system mainly in the form of M1; C2.75B1.25A3can completely dissolve in KOS
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Qi, Chongchong, Qiusong Chen, and Andy Fourie. "Role of Mg Impurity in the Water Adsorption over Low-Index Surfaces of Calcium Silicates: A DFT-D Study." Minerals 10, no. 8 (2020): 665. http://dx.doi.org/10.3390/min10080665.

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Calcium silicates are the most predominant phases in ordinary Portland cement, inside which magnesium is one of the momentous impurities. In this work, using the first-principles density functional theory (DFT), the impurity formation energy (Efor) of Mg substituting Ca was calculated. The adsorption energy (Ead) and configuration of the single water molecule over Mg-doped β-dicalcium silicate (β-C2S) and M3-tricalcium silicate (M3-C3S) surfaces were investigated. The obtained Mg-doped results were compared with the pristine results to reveal the impact of Mg doping. The results show that the
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Fa'izzah, Maulidia, Widjijono Widjijono, Yuichi Kamiya, and Nuryono Nuryono. "Synthesis and Characterization of White Mineral Trioxide Aggregate Using Precipitated Calcium Carbonate Extracted from Limestone." Key Engineering Materials 840 (April 2020): 330–35. http://dx.doi.org/10.4028/www.scientific.net/kem.840.330.

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White Mineral Trioxide Aggregate (WMTA) using precipitated CaCO3 (PCC) from limestone has been synthesized. PCC in calcite structure was extracted from limestone by calcination at 900 °C for 3 h, dissolved in 0.8 M nitric acid solution and followed with carbonation for 60 minutes. PCC was used for the synthesis of WMTA by mixing with tetraethoxyorthosilicate, bismuth oxide, aluminum oxide, catalyst of with HNO3 and NH3 solution and thermally treated at 1100 °C for 3 h. The products were characterized with Thermal Gravimetric Analysis-Differential Thermal Analysis (TGA-DTG), X-ray Diffraction (
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Moon, Ho-Jin, Jung-Hwan Lee, Joong-Hyun Kim, et al. "Reformulated mineral trioxide aggregate components and the assessments for use as future dental regenerative cements." Journal of Tissue Engineering 9 (January 2018): 204173141880739. http://dx.doi.org/10.1177/2041731418807396.

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Mineral trioxide aggregate, which comprises three major inorganic components, namely, tricalcium silicate (C3S), dicalcium silicate (C2S), and tricalcium aluminate (C3A), is promising regenerative cement for dentistry. While mineral trioxide aggregate has been successfully applied in retrograde filling, the exact role of each component in the mineral trioxide aggregate system is largely unexplored. In this study, we individually synthesized the three components, namely, C3S, C2A, and C3A, and then mixed them to achieve various compositions (a total of 14 compositions including those similar to
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Liu, Yan Jun, and Yong Chao Zheng. "Active Belite Cement Clinker Produced with Mineral Waste." Advanced Materials Research 610-613 (December 2012): 2378–85. http://dx.doi.org/10.4028/www.scientific.net/amr.610-613.2378.

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This paper presents a laboratory study on active belite cement linker using mineral waste as one of the major raw meal components. The main chemical component of mineral waste employed in this study is silica (SiO2), around 70%. The raw meals were soaked in Muffle Furnace at 1350oC for 10 minutes and 20minutes respectively, then, cooled down to room temperature using air blower. Boron Oxide was used to stabilize high temperature phases of C2S. QXRD analysis indicates that active belite cement clinker has major mineral components consisting of Dicalcium Silicate (C2S), Ferrite (C2 (A0.48F1.52)
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7

Chen, Lin, Xu Wang, Xiao Dong Shen, Su Hua Ma, and Wei Qiang Zhou. "Crystal Structure and Hydration Characteristics of Tricalcium Silicate Doped with Magnesium Oxide." Advanced Materials Research 936 (June 2014): 1336–41. http://dx.doi.org/10.4028/www.scientific.net/amr.936.1336.

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The research investigates various methods to identify magnesium oxide influences on the crystal structure and hydration properties of tricalcium silicate. The f-CaO content of the clinkers were analyzed by chemical analysis. The complex disordered superstructure of the tricalcium silicate has been studied by a joint XRD, NMR and TEM. The results show that MgO exerts a remarkable influence on the polymorphisms of C3S. Mg is not only substitutional atom but also interstitial atom in the crystal lattice of tricalcium silicate. The HRTEM pattern of C3S doped with MgO is covered by the various irre
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8

., Marhaini, Eka Sri Yusmartini, and Kurnia Aini. "The Effect of Tricalcium Silicate (C3S) Percentage in Clinkerson the Cement Quality." International Journal of Engineering & Technology 10, no. 1 (2021): 23. http://dx.doi.org/10.14419/ijet.v10i1.31294.

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Composite cement products produced by national cement factories in Indonesia should follow the required quality standards. The quality standard of composite cement refers to the SNI 7064:2014. Some physical parameters of the quality standards set are mortar compressive strength and autoclave expansion. Compressive strength is influenced by C3S and C2S in the clinker. The reaction of the formation of mineralogical compounds occurs when clinkers formed. Whereas the expansion by autoclave is influenced by the levels of free lime in the cement. This research was conducted to determine the effect o
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Liu, Yan Jun, and Yong Chao Zheng. "Mineral Waste Coupled with Boron Oxide for Producing Active Belite Cement Clinker." Applied Mechanics and Materials 405-408 (September 2013): 2564–75. http://dx.doi.org/10.4028/www.scientific.net/amm.405-408.2564.

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This paper presents a laboratory study on active belite cement clinker using boron oxide as dopant to stabilize high temperature phases of Dicalcium silicate (C2S), and mineral waste as siliceous materials in complete replacement of clay. The clinker samples were soaked in Muffle Furnace at different burning temperatures and for various time durations, and then, cooled down to room temperature using air blower. Quantitative X-ray Diffraction analysis (QXRD) by Rietveld method indicates that major mineral components are Dicalcium Silicate (C2S), Ferrite (C2 (A0.48F1.52) O5) and trace amount of
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10

Ghadafi, Muhamad, Sri Juari Santosa, Yuichi Kamiya, and Nuryono Nuryono. "Free Na and Less Fe Compositions of SiO2 Extracted from Rice Husk Ash as the Silica Source for Synthesis of White Mineral Trioxide Aggregate." Key Engineering Materials 840 (April 2020): 311–17. http://dx.doi.org/10.4028/www.scientific.net/kem.840.311.

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In this research, we report the use of free sodium and less Fe ion silica (SiO2) for preparation of White Mineral Trioxide Aggregate (WMTA). SiO2 was extracted from rice husk ash (RHA) using NaOH 2 M and HCl 37% (v/v) and removal of Na was performed by washing the extracted SiO2 using deionized water with various volumes and techniques. Before extraction, RHA was calcined at a temperature of 700 °C for 3 h. Preparation of WMTA began with mixing the extracted SiO2 20%, CaO 60%, Al2O3 2%, and Bi2O3 18% (w/w). The mixture was calcined at temperatures of 1100 °C for 4 h, grounded to produce WMTA 2
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Dissertations / Theses on the topic "C3S [Silicate tricalcique]"

1

Girod-Labianca, Caroline. "Modélisation thermodynamique des diagrammes de phases des clinkers de ciments Portland : étude de l'influence des éléments mineurs : cas du phosphore." Paris 6, 2008. http://www.theses.fr/2008PA066158.

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Le clinker, roche synthétique polyphasée, est le constituant principal des ciments Portland. Le silicate tricalcique (C3S) est la phase majoritaire du clinker anhydre et confère l’essentiel des résistances mécaniques du matériau hydraté (béton, mortier). Actuellement, les cimentiers brûlent dans leurs fours des farines animales détruites par les très hautes températures des fours. Toutefois, ces déchets introduisent du phosphore sous forme de cendres qui s’incorporent au clinker en cours de fabrication. Pour comprendre l’effet du phosphore sur les différents états chimiques du matériau, nous a
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2

Whitfield, Troy T. "Effect of Tricalcium Silicate Content on Expansion in Internal Sulfate Attack." Scholar Commons, 2006. http://scholarcommons.usf.edu/etd/3802.

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The purpose of this study was to determine the cementitious parameters and placement temperature that impact internal sulfate attack in concrete. Concrete structures make up a large percentage of the infrastructure and multifamily housing. Durability is very important. Cements can be formulated to reduce the impact of external environmental exposure such as high salinity from marine environments or high sulfate levels from soils or surface waters. Concrete is also subject to internal attack such as alkali aggregate reaction, (AAR), and delayed ettringite formation, (DEF). This study focused on
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