Hydration processes in tricalcium silicate: Application of the boundary nucleation model to quasielastic neutron scattering data

Peterson, Vanessa K. and Whitten, Andrew E. (2009) Hydration processes in tricalcium silicate: Application of the boundary nucleation model to quasielastic neutron scattering data. The Journal of Physical Chemistry Part C: Nanomaterials and Interfaces, 113 6: 2347-2351. doi:10.1021/jp807209w


Author Peterson, Vanessa K.
Whitten, Andrew E.
Title Hydration processes in tricalcium silicate: Application of the boundary nucleation model to quasielastic neutron scattering data
Journal name The Journal of Physical Chemistry Part C: Nanomaterials and Interfaces   Check publisher's open access policy
ISSN 1932-7447
1932-7455
Publication date 2009-02-12
Sub-type Article (original research)
DOI 10.1021/jp807209w
Volume 113
Issue 6
Start page 2347
End page 2351
Total pages 5
Place of publication Washington, DC, U.S.A.
Publisher American Chemical Society
Language eng
Formatted abstract
Tricalcium silicate hydration is followed using quasielastic neutron scattering (QENS) and the kinetics of product nucleation and growth modeled using a boundary nucleation (BN) model. The BN model, previously applied once to calorimetry data of hydrating tricalcium silicate, is applied to QENS data that includes components that do not follow the evolution of heat (measured using calorimetry). Variations in modeling conditions are explored, including combination with a second model describing later, diffusion-limited, behavior. The BN model produces comparable quality fits to those from the commonly used Avrami-derived model and is found to support the theory that nucleation and growth begins at the time of mixing and proceeds with a single kinetic process.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ

Document type: Journal Article
Sub-type: Article (original research)
Collection: Institute for Molecular Bioscience - Publications
 
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Created: Tue, 20 Sep 2011, 12:29:21 EST by Dr Andrew Whitten on behalf of Institute for Molecular Bioscience