Abstract
This paper focuses on the nano-mechanical characterization of carbonated calcium silicate mineral (wollastonite (CaSiO3)) using nanoindentation technique. While exposed to carbon dioxide (CO2), the calcium component of wollastonite undergoes carbonation reaction which results in formation of two main products: calcium carbonate (CaCO3) and silica (SiO2). The mechanical properties of these partially reacted wollastonite systems were evaluated using the nanoindentation technique from which the reduced elastic modulus (Er) of silicate phase found to be around 38 GPa. For calcium carbonate phase this value was around 60 GPa.
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Acknowledgement
Solidia technologies are gratefully acknowledged for providing testing materials required for this study. Authors would also like to acknowledge the Rutger University, NJ, USA for the development of the technology.
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Ashraf, W., Olek, J., Tian, N. (2015). Nanomechanical Characterization of the Carbonated Wollastonite System. In: Sobolev, K., Shah, S. (eds) Nanotechnology in Construction. Springer, Cham. https://doi.org/10.1007/978-3-319-17088-6_8
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DOI: https://doi.org/10.1007/978-3-319-17088-6_8
Publisher Name: Springer, Cham
Print ISBN: 978-3-319-17087-9
Online ISBN: 978-3-319-17088-6
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