Microhardness : fracture studies : high alumina cement systems

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DOIResolve DOI: http://doi.org/10.1016/0008-8846(82)90077-1
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Journal titleCement and Concrete Research
IssueMay 3
Pages289299; # of pages: 11
Subjectaluminate cement; breakage; hardness; single edge-notched flexural specimens; fracture parameters; hac paste; Admixtures
AbstractMicrohardness and fracture parameters of several high alumina cement paste systems containing varying proportions of hexagonal and cubic phases have been determined using single edge-notched flexural specimens from each system. Specimens were conditioned and tested at 11% RH in a specially constructed environmental chamber. Data demonstrated dependence of the fracture parameters on microhardness. Effect of morphology and other microstructural features on fracture in HAC paste is also discussed. Some evidence supporting argument for the validity of applying linear-elastic fracture mechanics in studying fracture in brittle cementitious systems is presented.
Publication date
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
NRC number20377
NPARC number20375915
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Record identifier0e492d15-3bd2-4b7b-843d-5158b32e6da0
Record created2012-07-23
Record modified2016-05-09
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