A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
In-situ observations of lime paste carbonation in CO2 environmental scanning electron microscopy (ESEM)
The setting of lime-based mortars is attributed to the process of carbonation but the rate and mechanism of this reaction has yet to be accurately defined experimentally. Here we report an in-situ observation of the carbonation of lime paste within the analysis chamber of an Environmental Scanning Electron Microscope (ESEM). Changes in the microstructure of the lime paste surface induced by the flow of CO2 or CO2-rich water vapour have been carefully monitored during initial stages. Initial results show not only the rate at which Portlandite converts to calcium carbonate but also the parameters influencing the mechanism of the reaction. Environmental scanning electron microscopy can provide in-situ microstructural and micro-chemical characterisation of the dynamic surface changes of materials exposed to various environments.
In-situ observations of lime paste carbonation in CO2 environmental scanning electron microscopy (ESEM)
The setting of lime-based mortars is attributed to the process of carbonation but the rate and mechanism of this reaction has yet to be accurately defined experimentally. Here we report an in-situ observation of the carbonation of lime paste within the analysis chamber of an Environmental Scanning Electron Microscope (ESEM). Changes in the microstructure of the lime paste surface induced by the flow of CO2 or CO2-rich water vapour have been carefully monitored during initial stages. Initial results show not only the rate at which Portlandite converts to calcium carbonate but also the parameters influencing the mechanism of the reaction. Environmental scanning electron microscopy can provide in-situ microstructural and micro-chemical characterisation of the dynamic surface changes of materials exposed to various environments.
In-situ observations of lime paste carbonation in CO2 environmental scanning electron microscopy (ESEM)
In-situ-Beobachtung der Kalkpastekarbonisierung in CO2 Environmental Scanning Electron Microscopy (ESEM)
Radonjic, M. (author) / Hughes, A. (author)
2001
13 Seiten, 8 Bilder, 2 Quellen
Conference paper
English
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