KAUST Grant NumberKUS-11-004021
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AbstractCalcium silicate hydrate (CSH) is the major volume phase in the matrix of Portland cement concrete. Total x-ray scattering measurements with synchrotron x rays on synthetic CSH(I) shows nanocrystalline ordering with a particle diameter of 3.5(5) nm, similar to a size-broadened 1.1 nm tobermorite crystal structure. The CSH component in hydrated tricalcium silicate is found to be similar to CSH(I). Only a slight bend and additional disorder within the CaO sheets is required to explain its nanocrystalline structure. © 2010 The American Physical Society.
CitationSkinner LB, Chae SR, Benmore CJ, Wenk HR, Monteiro PJM (2010) Nanostructure of Calcium Silicate Hydrates in Cements. Physical Review Letters 104. Available: http://dx.doi.org/10.1103/PhysRevLett.104.195502.
SponsorsThis publication was based on work supported in part by Grant No. KUS-11-004021, made by King Abdullah University of Science and Technology (KAUST). This work was supported by the U.S. DOE, Argonne National Laboratory under Contract No. DE-AC02-06CH11357. Also, thanks to Dr. Simon Clark, Dr. Juyoung Ha, Cagla Meral, and Elizabeth Mannering for their help with the production of this paper; and to Gordon Chan and Dr. Laila Raki for their help with the sample synthesis.
PublisherAmerican Physical Society (APS)
JournalPhysical Review Letters
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