Abstract
This paper reports the usefulness of nanoindentation as a characterization and monitoring tool for studying thermal behaviour of Geopolymer materials. The influence of the manufacturing process of Na-Geopolymers in their micromechanical properties and thermal behaviour has been studied. Two types of metakaolin-based geopolymer panels with almost identical composition were prepared by injection and pouring methods. Micro-mechanical properties of the two samples exposed to high temperatures up to 1000 degrees C were studied by nanoindentation technique, supplemented by X-ray diffraction (XRD), Nuclear magnetic resonance (NMR), Thermogravimetric analysis (TGA) and Microscopy. Remarkable differences in micro-mechanical properties and thermal behaviour between the two samples were found. Statistical nanoindentation has been successfully used to provide information about the micro-mechanical properties of different phases in the material and their volume distributions.
Original language | English |
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Title of host publication | NANOTECHNOLOGY IN CONSTRUCTION 3, PROCEEDINGS |
Editors | Z. Brittnar, P.J.M. Bartos, J. Nemecek, V. Smilauer, J. Zeman |
Publisher | Spring-Verlag London |
Pages | 169-174 |
ISBN (Print) | 978-3-642-00979-2 |
DOIs | |
Publication status | Published - 2009 |