Figure 2From: Consolidation of porous carbonate stones by an innovative phosphate treatment: mechanical strengthening and physical-microstructural compatibility in comparison with TEOS-based treatments Mechanical properties: Tensile strength and dynamic elastic modulus untreated, HAP treated (−H) and TEOS treated (−T) samples of Globigerina Limestone a) and Giallo terra di Siena b). Back to article page