A review on the use of nanoindentation technique in characterizing cement-based materials

In this paper an attempt has been made to provide an overview on the use of nanoindentation technique in characterizing cement-based materials. The basic principle of nanoindentation is described. The mathematical formulation to determine the mechanical properties fro nanoindentation is vividly discussed. A discussion is also made on the nano-mechanical properties of different phases in cement paste. Finally, the challenges in using the nanoindentation technique in characterizing cement-based materials are highlighted.