Morphological forms of tobermorite in hydrothermally treated calcium silicate hydrate gels

Nelson S. Bell, Sridhar Venigalla, Petra M. Gill, James Hansell Adair

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

The morphology of the calcium silicate hydrate phase, tobermorite, generally thought to be the bonding phase in ordinary portland cement, was studied. Tobermorite was hydrothermally synthesized at pH 12.6 at 150°C. The powder was characterized by XRD and SEM analysis. Modeling of the morphology was performed using the SHAPE and ATOMS programs. Two morphologies were produced: fibers and platelets. Computer calculations of equilibrium particle shape suggest that growth occurs on the (110)-type planes for both morphologies.

Original languageEnglish (US)
Pages (from-to)2175-2178
Number of pages4
JournalJournal of the American Ceramic Society
Volume79
Issue number8
DOIs
StatePublished - Jan 1 1996

Fingerprint

Silicic Acid
Calcium silicate
Hydrates
Gels
gel
silicate
calcium
Portland cement
Platelets
Powders
cement
scanning electron microscopy
X-ray diffraction
Scanning electron microscopy
tobermorite
calcium silicate
Fibers
modeling

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Geology
  • Geochemistry and Petrology
  • Materials Chemistry

Cite this

Bell, Nelson S. ; Venigalla, Sridhar ; Gill, Petra M. ; Adair, James Hansell. / Morphological forms of tobermorite in hydrothermally treated calcium silicate hydrate gels. In: Journal of the American Ceramic Society. 1996 ; Vol. 79, No. 8. pp. 2175-2178.
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Morphological forms of tobermorite in hydrothermally treated calcium silicate hydrate gels. / Bell, Nelson S.; Venigalla, Sridhar; Gill, Petra M.; Adair, James Hansell.

In: Journal of the American Ceramic Society, Vol. 79, No. 8, 01.01.1996, p. 2175-2178.

Research output: Contribution to journalArticle

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