Evaluation of Fine Aggregate Surface and Fracture Surface by Confocal Microscope

Abstract:

The gypsum mortars with different types of aggregate were studied. The surface roughness of fine aggregates and the fracture surface roughness were evaluated by a confocal laser scanning microscopy. Four gypsum mortars and one gypsum paste were tested. The results from the confocal laser scanning microscopy (CLSM) are compared with the pictures of grain surface taken by a scanning electron microscopy (SEM) and both methods seem to be appropriate for surface evaluation. The influence of the surface aggregate roughness on some gypsum mortar properties is demonstrated.

• Periodical: Key Engineering Materials (Volume 760)
• Pages: 245-250
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.760.245
• Online since: January 2018
• Authors: Jitka Krejsová*, Magdaléna Doleželová, Alena Vimmrová
• Keywords: Confocal Microscopy, Fine Aggregate Surface, Mortar Properties, Scanning Electron Microscopy, Surface Evaluation

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