Relevant bibliographies by topics / Orthorhombic C3A

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  1. Journal articles
  2. Dissertations / Theses
  3. Conference papers

Academic literature on the topic 'Orthorhombic C3A'

Author: Grafiati
Published: 4 June 2021
Last updated: 17 February 2022

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Journal articles on the topic "Orthorhombic C3A"

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Hartmann, Florian Andreas, and Johann Plank. "Impact of aging on the hydration of tricalcium aluminate (C3A)/gypsum blends and the effectiveness of retarding admixtures." Zeitschrift für Naturforschung B 75, no. 8 (2020): 739–53. http://dx.doi.org/10.1515/znb-2020-0087.

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AbstractIn the production of concrete from cement powder and water, setting behavior of the slurry is determined by the formation of ettringite (Ca6Al2(OH)12 · (SO4)3 · 26 H2O) from tricalcium aluminate (Ca9Al6O18, abbreviated C3A) and gypsum (CaSO4 · 2 H2O). Due to the high reaction potential of cement and water, premature hydration can occur after unintentional exposure to moisture. Model binary mixtures of C3A and gypsum stored at 90% relative humidity and 35 °C produced ample amounts of ettringite, which subsequently reacted with atmospheric CO2 to CaCO3, Al(OH)3 and gypsum. Investigated w
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Pritula, O., Lˇ Smrcˇok, and B. Baumgartner. "On reproducibility of Rietveld analysis of reference Portland cement clinkers." Powder Diffraction 18, no. 1 (2003): 16–22. http://dx.doi.org/10.1154/1.1545116.

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Weight fractions of four dominant phases (C3S, C2S, C4AF and C3A) present in the NIST Reference Portland clinkers 8486, 8487 and 8488 were estimated by a series of Rietveld refinements. Calculated powder patterns were derived from the structural data for monoclinic C3S and C2S, orthorhombic C4AF and cubic C3A. X-ray diffraction data were collected in two laboratories with two diffractometers, a reflection and a transmission one. There were no significant differences between the results of the refinements based on the data sets collected on the machines with different experimental arrangements.
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Kirchheim, A. P., V. Fernàndez-Altable, P. J. M. Monteiro, D. C. C. Dal Molin, and I. Casanova. "Analysis of cubic and orthorhombic C3A hydration in presence of gypsum and lime." Journal of Materials Science 44, no. 8 (2009): 2038–45. http://dx.doi.org/10.1007/s10853-009-3292-3.

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Alonso, M. M., and F. Puertas. "Adsorption of PCE and PNS superplasticisers on cubic and orthorhombic C3A. Effect of sulfate." Construction and Building Materials 78 (March 2015): 324–32. http://dx.doi.org/10.1016/j.conbuildmat.2014.12.050.

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Pritula, O., Ľ. Smrčok, D. M. Többens, and V. Langer. "X-ray and neutron Rietveld quantitative phase analysis of industrial Portland cement clinkers." Powder Diffraction 19, no. 3 (2004): 232–39. http://dx.doi.org/10.1154/1.1782652.

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Weight fractions of four dominant phases (C3S, C2S, C4AF, and C3A) present in five industrial clinkers were estimated by a series of neutron and X-ray Rietveld refinements. Calculated powder patterns were derived from the structural data for monoclinic and triclinic C3S, monoclinic C2S, orthorhombic C4AF, cubic C3A and MgO. Neutron diffraction data were collected with the high resolution E9 diffractometer (BENSC) using two different wavelengths, X-ray diffraction data with a high resolution transmission diffractometer. Elemental composition of the samples obtained by ESEM/EDX technique were in
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Rheinheimer, Vanessa, Sejung Chae, Erich Rodríguez, Guoqing Geng, Ana Kirchheim, and Paulo Monteiro. "A Scanning Transmission X-ray Microscopy Study of Cubic and Orthorhombic C3A and Their Hydration Products in the Presence of Gypsum." Materials 9, no. 9 (2016): 745. http://dx.doi.org/10.3390/ma9090745.

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Sui, H. X., K. Sun, and K. H. Kuo. "A structural model of the orthorhombic C31-Al60Mn11Ni4approximant." Philosophical Magazine A 75, no. 2 (1997): 379–93. http://dx.doi.org/10.1080/01418619708205148.

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Zhang, Miao, Hanyu Liu, Yonghui Du, Xinxin Zhang, Yanchao Wang, and Quan Li. "Orthorhombic C32: a novel superhard sp3 carbon allotrope." Physical Chemistry Chemical Physics 15, no. 33 (2013): 14120. http://dx.doi.org/10.1039/c3cp51746b.

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Fan, Qingyang, Ruida Zhao, Li Jiang, Wei Zhang, Yanxing Song, and Sining Yun. "Ima2 C32: An orthorhombic carbon allotrope with direct band gap." Diamond and Related Materials 120 (December 2021): 108602. http://dx.doi.org/10.1016/j.diamond.2021.108602.

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Chen, Junyun, Pan Ying, Yufei Gao, et al. "Orthorhombic C36: a sp2–sp3 carbon with pressure-induced metallization and superconductivity." Journal of Materials Science 56, no. 31 (2021): 17665–73. http://dx.doi.org/10.1007/s10853-021-06455-3.

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Dissertations / Theses on the topic "Orthorhombic C3A"

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Kirchheim, Ana Paula. "Aluminatos tricálcico cúbico e ortorrômbico : análise da hidratação in situ e produtos formados." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2008. http://hdl.handle.net/10183/14404.

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A composição do clínquer controla a cinética da hidratação do cimento, devido às fases potencialmente mais reativas. O aluminato tricálcico (C3A) é a fase que reage mais rápido quando em contato com a água, formando rapidamente os aluminatos de cálcio hidratado (C3AH6, C4AH19 e C2AH8), com a liberação de elevada quantidade de calor. Para casos práticos, o sulfato de cálcio é adicionado ao clínquer para retardar esta reação. Na presença do sulfato de cálcio, o produto formado da reação com o C3A é o trissulfoaluminato de cálcio hidratado (etringita). Geralmente, a forma cristalina do C3A sintet
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Nicolas, Edwige. "Compatibilités et incompatibilités liants cimentaires/superplastifiants." Thesis, Nancy 1, 2010. http://www.theses.fr/2010NAN10052/document.

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La résistance mécanique des bétons exigée actuellement impose une diminution du rapport eau/ciment et l’utilisation de superplastifiant pour faciliter la mise en œuvre du matériau frais. Les produits de type polycarboxylate sont très efficaces à court terme, mais peuvent mener à une perte rapide de l’ouvrabilité en cas d’incompatibilité liant/superplastifiant. L’objet de ce travail est l’identification des phases cimentaires impliquées dans ces variations rhéologiques. Dans un premier temps, l’écoulement de pâtes superplastifiées est évalué par un rhéomètre muni d’un système de mesure à boule.
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Conference papers on the topic "Orthorhombic C3A"

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Bakulin, A., V. Grechka, and I. Tsvankin. "Estimation of Fracture Parameters of Orthorhomic Media from Reflection Seismic Data." In 62nd EAGE Conference & Exhibition. European Association of Geoscientists & Engineers, 2000. http://dx.doi.org/10.3997/2214-4609-pdb.28.c3.

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Huda, A., S. A. Halim, K. P. Lim, et al. "Structural, Electrical Transport and Magnetoresistive Studies of Pr and Nd Substituted on La2/3Ba1/3MnO3 Perovskite." In ASME 7th Biennial Conference on Engineering Systems Design and Analysis. ASMEDC, 2004. http://dx.doi.org/10.1115/esda2004-58535.

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Colossal magnetoresistance (CMR), as the name implies, is the phenomenon of dramatic changes in resistance attendant upon application of a magnetic field. The typical CMR material is derived from perovskite manganites with the chemical formula Ln1−xAxMnO3, where Ln is the rare earth (Ln = La, Pr, Nd, Sm) and A is the divalent metal (A = Ca, Ba, Sr). The objective of this paper is to study the effects of the doping Nd and Pr at La site on La-Ba-Mn-O ceramics using solid state reaction. The characteristics and magnetotransport properties of CMR materials are investigated. Polycrystalline (La1−xP
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