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Supramolecular thermoplastics and thermoplastic elastomer materials with self-healing ability based on oligomeric charged triblock copolymers Vrije Universiteit Brussel Ghent University University of Antwerp
Supramolecular polymeric materials constitute a unique class of materials held together by non-covalent interactions. These dynamic supramolecular interactions can provide unique properties such as a strong decrease in viscosity upon relatively mild heating, as well as self-healing ability. In this study we demonstrate the unique mechanical properties of phase-separated electrostatic supramolecular materials based on mixing of low molar mass, ...
Macro- and micro-modeling of crack propagation in encapsulation-based self-healing materials : application of XFEM and cohesive surface techniques Ghent University
Stress concentrations and bonding strength in encapsulation-based self-healing materials Ghent University
Experimental characterization of the self-healing capacity of cement based materials : an overview Ghent University
This paper, prepared in the framework of the COST Action SARCOS WG2 activities (http://www.cost.eu/COST_Actions/ca/CA15202), provides an overview of the main concepts underlying the experimental characterization of the self-sealing capacity of cement-based materials. This effort intends to pave the way towards standardization of such experimental methods for a comparative assessment of the self-healing capacity of different cement-based ...
Development of optimized autonomous self-healing systems for epoxy materials based on maleimide chemistry Ghent University
Evaluation of self-healing in cementitious materials with superabsorbent polymers through ultrasonic mapping Vrije Universiteit Brussel
The maintenance and repair of concrete infrastructure covers an increasing portion of the annual construction budget. For this reason, self-healing cementitious materials have been investigated thoroughly in literature. One way to achieve an effective self-healing composite is by promoting their inherent repair ability through the inclusion of superabsorbent polymers (SAPs). Thanks to their large absorption capacity upon contact with water, ...
Visualization of self-healing materials by X-ray computed micro-tomography at UGCT Ghent University
This work presents recent advancements in X-ray micro-computed tomography (XRMCT) of self-healing materials at Ghent UniversityU+2019s Centre for X-ray Tomography (UGCT). Results of XRMCT imaging in a self-healing polymer system are shown to demonstrate the use of XRMCT in self-healing studies. Furthermore, two new XRMCT scanners are presented. The HECTOR scanner was designed for large samples and strongly attenuating samples, and is therefore ...
Enhanced self-healing capacity in cementitious materials by use of encapsulated carbonate precipitating bacteria: from proof-of-concept to reality Ghent University
In this study, two bacteria-based self-healing systems were developed for the proof-of-concept and approach to a realistic self-healing. A self-healing system with glass capillaries and silica sol gel carried bacterial cells was first built. The bio-CaCO3 formed in-situ (in silica gel) after glass capillaries breakage preliminarily showed the feasibility of this system. The investigation on the selfhealing efficiency demonstrated that the water ...