Masoero, E., Del Gado, E., Pellenq, R. J-M, Ulm, F-J and Yip, S. 2012. Nanostructure and nanomechanics of cement: polydisperse colloidal packing. Physical Review Letters 109 (15) , 155503. 10.1103/PhysRevLett.109.155503 |
Official URL: http://doi.org/10.1103/PhysRevLett.109.155503
Abstract
Cement setting and cohesion are governed by the precipitation and growth of calcium-silicate-hydrate, through a complex evolution of microstructure. A colloidal model to describe nucleation, packing, and rigidity of calcium-silicate-hydrate aggregates is proposed. Polydispersity and particle size dependent cohesion strength combine to produce a spectrum of packing fractions and of corresponding elastic properties that can be tested against nanoindentation experiments. Implications regarding plastic deformations and reconciling current structural characterizations are discussed.
Item Type: | Article |
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Date Type: | Publication |
Status: | Published |
Schools: | Engineering |
Publisher: | American Physical Society |
ISSN: | 0031-9007 |
Last Modified: | 06 Jan 2024 02:08 |
URI: | https://orca.cardiff.ac.uk/id/eprint/144210 |
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