Self-Healing Corrosion Protective Sol-Gel Coatings

Doctoral thesis (2016)

Contributors

S. Van der Zwaag (promotor)
Department
Novel Aerospace Materials Group (NovAM) (Aerospace Engineering) (TU Delft)
Copyright: © 2016 Abdolah Zadeh, M.
Self-healing Corrosion Sol-gel Coating
More Info
expand_more

Published Date

29-01-2016

Reuse Rights

Other than for strictly personal use, it is not permitted to download, forward or distribute the text or part of it, without the consent of the author(s) and/or copyright holder(s), unless the work is under an open content license such as Creative Commons.

ISBN:

978-94-028-0018-0

Faculty

Aerospace Engineering

Department

Novel Aerospace Materials Group (NovAM)

Abstract

Inspired by the state of the art and the recent advances in the field of self-healing corrosion protective coatings, the thesis entitled “Self-healing corrosion protective sol-gel coatings” addresses novel routes to self-healing corrosion protective sol-gel coatings via extrinsic and intrinsic healing approaches. The employed approaches aim at extending the service life of the coating and the underlying substrate by multiple damage closure/sealing and metal surface protection through incorporation of reversible tetrasulfide groups and inhibitor loaded containers respectively. Intrinsically healable hybrid organic-inorganic coatings containing reversible tetrasulfide groups were successfully developed and investigated using a combination of characterization techniques to address their healing kinetics and mechanism. Extrinsic healing concept was studied by encapsulation of corrosion inhibitors in smart micro- / nano-containers capable of on-demand leach out of the inhibitors to the damage site. Both routes explored have the potential to lead to future commercial self-healing coating systems.