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Nanoindentation as a tool to measure and map mechanical properties of hardened cement pastes

  • Chuanlin Hu (a1)

Abstract

Regarding the significance of cement paste in construction materials, the present paper aims to use nanoindentation to measure and map mechanical properties of hardened cement pastes. The mechanical properties of involved phases were extracted from grid nanoindentation on the cement paste. The results suggested that nanoindentation can be used as a tool to measure and map mechanical properties of hardened cement pastes, and can identify the phases, including outer product, inner product, calcium hydroxide (or interface of residual cement clinker), and residual cement clinker.

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Corresponding author

Address all correspondence to Chuanlin Huchuanlin@connect.ust.hk

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1.Constantinides, G. and Ulm, F.J.: The effect of two types of C–S–H on the elasticity of cement-based materials: results from nanoindentation and micromechanical modeling. Cem. Concrete Res. 34, 67 (2004).
2.Zhu, W., Hughes, J.J., Bicanic, N. and Pearce, C.J.: Nanoindentation mapping of mechanical properties of cement paste and natural rocks. Mater. Charact. 58, 1189 (2007).
3.Jennings, H.M., Thomas, J.J., Gevrenov, J.S., Constantinides, G. and Ulm, F.J.: A multi-technique investigation of the nanoporosity of cement paste. Cem. Concrete Res. 37, 329 (2007).
4.Constantinides, G. and Ulm, F.J.: The nanogranular nature of C–S–H. J. Mech. Phys. Solids 55, 64 (2007).
5.Mondal, P., Shah, S.P. and Marks, L.: A reliable technique to determine the local mechanical properties at the nanoscale for cementitious materials. Cem. Concrete Res. 37, 1440 (2007).
6.Ulm, F.J., Vandamme, M., Bobko, C. and Ortega, J.A.: Statistical indentation techniques for hydrated nanocomposites: concrete, bone, and shale. J. Am. Ceram. Soc. 90, 2677 (2007).
7.Vandamme, M. and Ulm, F.J.: Nanogranular origin of concrete creep. Proc. Natl. Acad. Sci. U. S. A. 106, 10552 (2009).
8.Howind, T., Hughes, J.J., Zhu, W., Puertas, F., Goñi, S., Hernández, M.S., Guerrero, A., Palacios, M. and Dolado, J.S.: Mapping of mechanical properties of cement paste microstructures. In 13th Int. Congress on the Chemistry of Cement, Palomo, Á.; Zaragoza, A. and Agüí, J.C.L.; (Madrid, 2011).
9.Davydov, D., Jirasek, M. and Kopecky, L.: Critical aspects of nano-indentation technique in application to hardened cement paste. Cem. Concrete Res. 41, 20 (2011).
10.Vandamme, M., Ulm, F.J. and Fonollosa, P.: Nanogranular packing of C–S–H at substochiometric conditions. Cem. Concrete Res. 40, 14 (2010).
11.Hu, C.L., Li, Z.J., Gao, Y.Y. and Zhang, Y.M.: Investigation on microstructures of cementitious composites incorporating slag. Adv. Cem. Res. 26, 222 (2014).
12.Chen, J.J., Sorelli, L., Vandamme, M., Ulm, F.J. and Chanvillard, G.: A coupled nanoindentation/sem-eds study on low water/cement ratio portland cement paste: evidence for C–S–H/Ca(OH)(2) nanocomposites. J. Am. Ceram. Soc. 93, 1484 (2010).
13.Hu, C.L., Han, Y.G., Gao, Y.Y., Zhang, Y.M. and Li, Z.J.: Property investigation of calcium–silicate–hydrate (C–S–H) gel in cementitious composites. Mater. Charact. 95, 129 (2014).
14.Pharr, G.M. and Bolshakov, A.: Understanding nanoindentation unloading curves. J. Mater. Res. 17, 2660 (2002).
15.Oliver, W.C. and Pharr, G.M.: An improved technique for determining hardness and elastic-modulus using load and displacement sensing indentation experiments. J. Mater. Res. 7, 1564 (1992).
16.Cheng, Y.T. and Cheng, C.M.: Scaling, dimensional analysis, and indentation measurements. Mater. Sci. Eng. R - Rep. 44, 91 (2004).
17.Tabor, D.: A simple theory of static and dynamic hardness. Proc. R. Soc. A 192, 247 (1948).
18.Cariou, S., Ulm, F.J. and Dormieux, L.: Hardness-packing density scaling relations for cohesive-frictional porous materials. J. Mech. Phys. Solids 56, 924 (2008).
19.Dempster, A.P., Laird, N.M. and Rubin, D.B.: Maximum likelihood from incomplete data via the em algorithm. J. R. Stat. Soc. Ser. B Stat. Methodol. 39, 1 (1977).
20.Schwarz, G.: Estimating the dimension of a model. Ann. Stat. 6, 461 (1978).
21.Jiang, L., Zhang, Y.M., Hu, C.L. and Li, Z.J.: Calculation of elastic modulus of early-age cement paste. Adv. Cem. Res. 24, 193 (2012).
22.Velez, K., Maximilien, S., Damidot, D., Fantozzi, F. and Sorrentino, F.: Determination by nanoindentation of elastic modulus and hardness of pure constituents of Portland cement clinker. Cem. Concr. Res. 31, 555 (2001).

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