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Cited by 105 publications
(27 citation statements)
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“…The incorporation of glass fiber in cement based materials represents a mesoscopic defect itself. Zhu and Bartos [34] demonstrated by the microindentation technique that the interfacial bond of individual filaments is weaker in the fiber bundle than that at the bundle matrix interface. Similar findings were reported by Purnell et al [35] who studied the interface transition zone by petrographical analysis.…”
Section: Nonlinear Impact Resonant Acoustic Spectroscopymentioning
confidence: 99%
“…The incorporation of glass fiber in cement based materials represents a mesoscopic defect itself. Zhu and Bartos [34] demonstrated by the microindentation technique that the interfacial bond of individual filaments is weaker in the fiber bundle than that at the bundle matrix interface. Similar findings were reported by Purnell et al [35] who studied the interface transition zone by petrographical analysis.…”
Section: Nonlinear Impact Resonant Acoustic Spectroscopymentioning
confidence: 99%
“…It was shown that the modern DSNI techniques allow the researchers to study the mechanical properties of various micro/nanoscale features of distinct constituents of various cementitious materials including synthetically prepared pure cement clinker phases and selected hydrate phases in well-hydrated cement pastes (see, e.g. [16,17,27,40,43,45,46] and references therein). There are a few recently published works that utilize the depth-sensing nanoindentation for inhomogeneous materials such as rocks [2,47].…”
Section: Introductionmentioning
confidence: 99%
“…From the indentation load and displacement measurements, hardness and E modulus of the indented volume are calculated. Indentation tests have been used by a number of researchers: Sakulich and Li (2011) measured mechanical properties of matrix-fibre interface, Zhu and Bartos (1997) used the microindentation method to measure the properties of the interfacial area in aged glass fibre reinforced cement, Wang et al (2009) for interfacial area in steel fibre reinforced mortar and Xiao et al (2013) were studying the interfacial transition zones in recycled aggregate concrete. Although the technique is very useful, this method has certain limitations, especially for heterogeneous materials such as cementitious ones.…”
Section: Introductionmentioning
confidence: 99%