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Disclosing the mechanical properties of green Calcium-Silicate-Hydrates by statistical nanoindentation techniques

Par Conseil national de recherches du Canada

DOITrouver le DOI : https://doi.org/10.4028/www.scientific.net/AMR.409.544
AuteurRechercher : ; Rechercher : ; Rechercher : 1; Rechercher : 1; Rechercher :
Affiliation
  1. Conseil national de recherches du Canada. Institut de recherche en construction du CNRC
FormatTexte, Article
Conférence7th International Conference on Processing and Manufacturing of Advanced Materials, THERMEC'2011, August 1-5, 2011, Quebec City, QC, Canada
SujetChemical Structure, Mechanical Properties, Nanoindentation, Synthetic Calcium Silicate Hydrates
Résumé
In order to reduce CO 2 emissions, the cement industry has developed a new class cements. The Calcium-Silicate-Hydrates (C S H) that form are generally characterized by a low stoichiometric ratio for CaO and SiO 2. This low C/S ratio affects the C-S-H layer structure and has a significant effect on the mechanical properties. This work exploits a novel statistical nanoindentation technique (SNT) to study the effect of the C/S ratio on the mechanical properties of synthetic C S H. Different C S H types were prepared by varying the C/S ratio of the starting materials. After undertaking a grid nano-indentation approach for each sample, the statistical analysis allowed extracting the mechanical properties, such as elastic modulus, hardness and creep. The results of this preliminary work shed new light on the implications of C-S-H stoichiometry on mechanical properties.
Date de publication
Dans
  • THERMEC 2011 supplement: supplement to THERMEC 2011 ; proceedings of the 7th International Conference on Processing and Manufacturing of Advanced Materials (novembre 2011) : 544–549.
  • Advanced Materials Research 409.
Langueanglais
Publications évaluées par des pairsOui
Numéro NPARC21270213
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Identificateur de l’enregistrement2d63867a-a0ee-49e2-9632-d403377fb2d0
Enregistrement créé2014-01-13
Enregistrement modifié2020-04-21
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