Nanoindentation mapping of mechanical properties of cement paste and natural rocks

This paper reports a study to assess nanoindentation mapping of mechanical properties of cement paste and natural rocks. Initial work seems to show that mechanical property mapping by nanoindentation is feasible and can be related to microscopic information. Further work is however required on the e...

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Bibliographic Details
Published in:Materials characterization 2007-11, Vol.58 (11), p.1189-1198
Main Authors: Zhu, Wenzhong, Hughes, John J., Bicanic, Nenad, Pearce, Chris J.
Format: Article
Language:English
Subjects:
Applied sciences
Cement
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Hardness
Mapping
Materials science
Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology
Metals. Metallurgy
Nanoindentation
Phase diagrams and microstructures developed by solidification and solid-solid phase transformations
Physics
Rocks
Solidification
Young's modulus
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Summary:This paper reports a study to assess nanoindentation mapping of mechanical properties of cement paste and natural rocks. Initial work seems to show that mechanical property mapping by nanoindentation is feasible and can be related to microscopic information. Further work is however required on the effect of indent size and spacing. Such a testing technique can be very useful for materials with different phases to study the intrinsic properties of each component, and also the interaction and properties of the interfacial regions of different phases. The values of Young's modulus and hardness of the individual mineral phases were also determined by statistically analysing a large number of experimental data.
ISSN:1044-5803
1873-4189
DOI:10.1016/j.matchar.2007.05.018