A5043525540- Corrosion Behavior and Inhibition
- Magnesium Alloys: Properties and Applications
- Aluminum Alloys Composites Properties
- Concrete Corrosion and Durability
- Layered Double Hydroxides Synthesis and Applications
- Magnesium Oxide Properties and Applications
- Hydrogen Storage and Materials
- Metal and Thin Film Mechanics
- Anodic Oxide Films and Nanostructures
- Hydrogen embrittlement and corrosion behaviors in metals
- Aluminum Alloy Microstructure Properties
- Polymer composites and self-healing
- MXene and MAX Phase Materials
- Analytical Chemistry and Sensors
- Electrochemical Analysis and Applications
- Conducting polymers and applications
- Material Properties and Applications
- Diamond and Carbon-based Materials Research
- Bone Tissue Engineering Materials
- Silicone and Siloxane Chemistry
- Metal-Organic Frameworks: Synthesis and Applications
- Electrodeposition and Electroless Coatings
- Semiconductor materials and devices
- Concrete and Cement Materials Research
- Advanced battery technologies research
Helmholtz-Zentrum Hereon
2015-2024
Kiel University
2017-2024
Fachhochschule Kiel
2017-2024
Philips (United Kingdom)
2014-2021
Institute of Materials Research of the Slovak Academy of Sciences
2016-2020
Faculty (United Kingdom)
2017-2020
Engineering (Italy)
2017-2020
University of Aveiro
2009-2018
Materials Science & Engineering
2016
Max Planck Society
2014-2015
The self-healing anticorrosion effect of layer-by-layer (LbL) assembled nanoreservoirs (polyelectrolyte-coated nanoparticles) embedded in a hybrid coating deposited onto an Al alloy is investigated (see figure). corrosion inhibitor, benzotriazole, entrapped the polyelectrolyte at LbL assembly step; its release initiated by local pH changes near corrosion-damaged zones alloy. increase long-term protection substrate and provide effective inhibitor storage prolonged on demand.
The development of active corrosion protection systems for metallic substrates is an issue prime importance many industrial applications. present work shows a new contribution to the protective system with self-healing ability composed hybrid sol−gel films doped nanocontainers that release entrapped inhibitor in response pH changes caused by process. A silica−zirconia based film was used this as anticorrosion coating deposited on 2024 aluminum alloy. Silica nanoparticles covered...
Sol–gel derived films exhibit a high potential as substitutes for the environmentally unfriendly chromate metal-surface pre-treatment methods. Inorganic sol–gel offer good adhesion between metals and organic paint. However, they cannot provide adequate corrosion protection due to their crack-forming potential. Introduction of an component inorganic system leads formation thicker, more flexible functionalized with enhanced compatibility different top coatings. Incorporation nanoparticles in...
This work contributes to the development of a new generation active corrosion protection coatings composed hybrid sol−gel films doped with halloysite nanotubes able release entrapped inhibitors in controllable way. A silica-zirconia-based film was used this as an anticorrosion coating deposited on 2024 aluminum alloy. Halloysite inner voids loaded by (2-mercaptobenzothiazole) and outer surfaces layer-by-layer covered polyelectrolyte multilayers were introduced into films. The nanocontainers...
The mechanism of corrosion protection the widely used 2024-T3 aluminum alloy by cerium and lanthanum inhibitors in chloride media is described detail present work. process was investigated means scanning Kelvin probe force microscopy (SKPFM), situ atomic microscopy, electron coupled with energy dispersive spectroscopy. Employment high-resolution techniques results a deep understanding details physical chemistry mechanisms processes. applicability SKPFM for mechanistic analysis effect...
The present work reports the synthesis of layered double hydroxides (LDHs) nanocontainers loaded with different corrosion inhibitors (vanadate, phosphate, and 2-mercaptobenzothiazolate) characterization resulting pigments by X-ray diffraction (XRD) transmission electron microscopy (TEM). anticorrosion activity these respect to aluminum alloy AA2024 was investigated electrochemical impedance spectroscopy (EIS). bare metallic substrates were immersed in dispersions sodium chloride solution...
Zn−Al and Mg−Al layered double hydroxides (LDHs) loaded with quinaldate 2-mercaptobenzothiazolate anions were synthesized via anion-exchange reaction. The resulting compounds characterized by X-ray diffraction, Fourier transform infrared spectroscopy, scanning electron microscopy/energy-dispersive spectroscopy. Spectrophotometric measurements demonstrated that the release of organic from these LDHs into bulk solution is triggered presence chloride anions, evidencing nature this process....
Novel self-healing protective coatings with nanocontainers of corrosion inhibitors open new opportunities for long-term anticorrosion protection different metallic materials. In this paper a type functional nanoreservoir based on silica nanocapsules (SiNC) synthesized and loaded inhibitor 2-mercaptobenzothiazole (MBT) in one-stage process is reported the first time. Unlike conventional mesoporous nanoparticles, SiNC possess an empty core shell gradual mesoporosity, arising from particular...
Abstract A global transition towards more sustainable, affordable and reliable energy systems is being stimulated by the Paris Agreement United Nation's 2030 Agenda for Sustainable Development. This poses a challenge corrosion industry, as building climate‐resilient infrastructures brings with it long‐term direction, so result behaviour of structural materials (mainly metals alloys) becomes major prospect. With this in mind “Corrosion Challenges Towards Society” presents series cases showing...