Fig. 9From: Preparation of Self-healing Additives for Concrete via Miniemulsion Polymerization: Formulation and Production Challenges SEM micrographs of the broken surfaces of self-healing mortar bars immediately after the three-point bending test (the first row), as well as the same surfaces after immersion in water for 7 days (the second row), the morphological changes in self-healing mortars and the sealing of voids is noticeable.Back to article page