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Nanomechanical Characterization of the Carbonated Wollastonite System

Ashraf, Warda / Olek, Jan / Tian, Nannan

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 (E_r) of silicate phase found to be around 38 GPa. For calcium carbonate phase this value was around 60 GPa.

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Nanomechanical Characterization of the Carbonated Wollastonite System

Ashraf, Warda / Olek, Jan / Tian, Nannan

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 (E_r) of silicate phase found to be around 38 GPa. For calcium carbonate phase this value was around 60 GPa.

Nanomechanical Characterization of the Carbonated Wollastonite System

Ashraf, Warda / Olek, Jan / Tian, Nannan

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 (E_r) of silicate phase found to be around 38 GPa. For calcium carbonate phase this value was around 60 GPa.

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Titel:

Nanomechanical Characterization of the Carbonated Wollastonite System

Beteiligte:

Sobolev, Konstantin (Herausgeber:in) / Shah, Surendra P. (Herausgeber:in) / Ashraf, Warda (Autor:in) / Olek, Jan (Autor:in) / Tian, Nannan (Autor:in)

Erschienen in:

Nanotechnology in Construction ; Kapitel: 8 ; 71-77

Erscheinungsdatum:

01.01.2015

Format / Umfang:

7 pages

ISBN:

978-3-319-17088-6 , 978-3-319-17087-9

DOI:

https://doi.org/10.1007/978-3-319-17088-6_8

Medientyp:

Aufsatz/Kapitel (Buch)

Format:

Elektronische Ressource

Sprache:

Englisch

Schlagwörter:

Wollastonite , Calcium silicate , Carbonation , Nanoindentation , Characterization Engineering , Building Materials , Nanotechnology , Nanoscale Science and Technology , Structural Materials , Building Repair and Maintenance , Energy Efficiency , Physics and Astronomy

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