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

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DOIResolve DOI: http://doi.org/10.4028/www.scientific.net/AMR.409.544
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TypeArticle
Proceedings titleTHERMEC 2011 supplement: supplement to THERMEC 2011 ; proceedings of the 7th International Conference on Processing and Manufacturing of Advanced Materials
Advanced Materials Research
Conference7th International Conference on Processing and Manufacturing of Advanced Materials, THERMEC'2011, August 1-5, 2011, Quebec City, QC, Canada
ISSN1022-6680
ISBN9783037853047
Volume409
Pages544549; # of pages: 6
SubjectChemical Structure, Mechanical Properties, Nanoindentation, Synthetic Calcium Silicate Hydrates
AbstractIn 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.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada (NRC-CNRC); NRC Institute for Research in Construction
Peer reviewedYes
NPARC number21270213
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Record identifier2d63867a-a0ee-49e2-9632-d403377fb2d0
Record created2014-01-13
Record modified2016-05-09
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