RT Journal Article
SR 00
A1 Brunello, Valentina
A1 Canevali, Carmen
A1 Corti, Cristina
A1 De Kock, Tim
A1 Rampazzi, Laura
A1 Recchia, Sandro
A1 Sansonetti, Antonio
A1 Tedeschi, Cristina
A1 Cnudde, Veerle
T1 Understanding the Microstructure of Mortars for Cultural Heritage Using X-ray CT and MIP
JF Materials
YR 2021
FD 2021-10-10
VO 14
SP 5939
OP 5958
K1 cement
K1 stone conservation
K1 3D visualization
K1 μCT
K1 MIP
K1 mortar
AB In this study, the microstructure of mock-up mortar specimens for a historic environment, composed of different mixtures, was studied using mercury intrusion porosity (MIP) and microcom- puted tomography (μCT), highlighting the advantages and drawbacks of both techniques. Porosity, sphericity, and pores size distribution were studied, evaluating changes according to mortar compo- sition (aerial and hydraulic binders, quartz sand, and crushed limestone aggregate). The μCT results were rendered using 3D visualization software, which provides complementary information for the interpretation of the data obtained using 3D data-analysis software. Moreover, μCT contributes to the interpretation of MIP results of mortars. On the other hand, MIP showed significant ink-bottle effects in lime and cement mortars samples that should be taken into account when interpreting the results. Moreover, the MIP results highlighted how gypsum mortar samples display a poros- ity distribution that is best studied using this technique. This multi-analytical approach provides important insights into the interpretation of the porosimetric data obtained. This is crucial in the characterization of mortars and provides key information for the study of building materials and cultural heritage conservation.
PB MDPI
SN 1996-1944
LK http://openarchive.icomos.org/id/eprint/2534/
UL https://www.mdpi.com/journal/materials