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Calcium Silicates: Glass Content and Hydration Behavior

Pure, MgO doped and B2C3 doped monocalcium, dicalcium, and tricalcium silicates were prepared with different glass contents. Characterization of the anhydrous materials was carried out using optical microscopy, infrared absorption spectroscopy, and X-ray powder diffraction. The hydration of these compounds was studied as a function of the glass contents. The hydration studies were conducted at 25°C. Water/solid ratios of 0.5, 1, 10, and 16 were used for the various experiments. The hydration behavior was monitored through calorimetry, conductometry, pH measurements, morphological developments by scanning electron microscopy, phase development by X-ray powder diffraction, and percent combined water by thermogravimetry. A highly sensitive ten cell pseudo-adiabatic microcalorimeter was designed and constructed for early hydration studies. Conductometry was found to be of great utility in monitoring the hydration of monocalcium silicate and the borate doped dicalcium silicates.

Identiferoai:union.ndltd.org:unt.edu/info:ark/67531/metadc332357
Date08 1900
CreatorsZgambo, Thomas P. (Thomas Patrick)
ContributorsDaugherty, Kenneth E., Cohen, Menashi D., Tarter, James G., Schwartz, Martin, Desiderato, Robert, Theriot, L. J.
PublisherNorth Texas State University
Source SetsUniversity of North Texas
LanguageEnglish
Detected LanguageEnglish
TypeThesis or Dissertation
Formatxvi, 288 leaves: ill., Text
RightsPublic, Zgambo, Thomas P. (Thomas Patrick), Copyright, Copyright is held by the author, unless otherwise noted. All rights reserved.

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