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Zhan, H. (author), Mol, J.M.C. (author), Terryn, H.A. (author), De Wit, J.H.W. (author)Application prospects in automotive and aerospace industry have led to extensive studies on AA6xxx alloys in recent years because of their attractive combinations of properties. The benefits include formability, weldability, high strength to weight ratio and low cost. The main alloying elements in the commercial AA6xxx are Mg, Si, Fe and Cu. Mg...journal article 2007
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Liu, Y. (author), Visser, P. (author), Zhou, X. (author), Lyon, S.B. (author), Hashimoto, T. (author), Curioni, M. (author), Gholinia, A. (author), Thompson, G.E. (author), Smyth, G. (author), Gibbon, S.R. (author), Graham, D. (author), Mol, J.M.C. (author), Terryn, H.A. (author)An investigation into corrosion inhibition properties of a primer coating containing lithium carbonate as corrosion inhibitive pigment for AA2024 aluminum alloy was conducted. It was found that, during neutral salt spray exposure, a protective film of about 0.2 to 1.5 ?m thickness formed within the area where an artificial defect was introduced...journal article 2015
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Visser, P (author), Liu, Y (author), Terryn, H.A. (author), Mol, J.M.C. (author)Lithium salts are being investigated as leachable corrosion inhibitor and potential replacement for hexavalent chromium in organic coatings. Model coatings loaded with lithium carbonate or lithium oxalate demonstrated active corrosion inhibition and the formation of a protective layer in a damaged area during neutral salt spray exposure. The...journal article 2016
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Pletincx, S. (author), Trotochaud, L. (author), Fockaert, L.I. (author), Mol, J.M.C. (author), Head, A.R. (author), Karslıoğlu, O. (author), Bluhm, H. (author), Terryn, H.A. (author), Hauffman, T. (author)Probing initial interactions at the interface of hybrid systems under humid conditions has the potential to reveal the local chemical environment at solid/solid interfaces under real-world, technologically relevant conditions. Here, we show that ambient pressure X-ray photoelectron spectroscopy (APXPS) with a conventional X-ray source can be...journal article 2017
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Martinez Lombardia, Esther (author), Lapeire, Linsey (author), Maurice, Vincent (author), De Graeve, Iris (author), Klein, Lorena (author), Marcus, Philippe (author), Verbeken, Kim (author), Kestens, L.A.I. (author), Gonzalez Garcia, Y. (author), Mol, J.M.C. (author), Terryn, H.A. (author)When aiming for an increased and more sustainable use of metals a thorough knowledge of the corrosion phenomenon as function of the local metal microstructure is of crucial importance. In this work, we summarize the information presented in our previous publications[1-3] and present an overview of the different local (electrochemical) techniques...journal article 2017
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Qian, Hongchang (author), Xu, Dake (author), Du, Cuiwei (author), Zhang, Dawei (author), Li, Xiaogang (author), Huang, Luyao (author), Deng, Leping (author), Tu, Yunchao (author), Mol, J.M.C. (author), Terryn, H.A. (author)This work introduces a new self-healing superhydrophobic coating based on dual actions by the corrosion inhibitor benzotriazole (BTA) and an epoxy-based shape memory polymer (SMP). Damage to the surface morphology (e.g., crushed areas and scratches) and the corresponding superhydrophobicity are shown to be rapidly healed through a simple heat...journal article 2017
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Sababi, M. (author), Terryn, H.A. (author), Mol, J.M.C. (author)The effect of a zirconium (Zr)-based pretreatment on interfacial bonding properties of a fusion bonded epoxy (FBE) coating on carbon steel is investigated. The initiation and kinetics of delamination of epoxy coatings applied on differently pretreated carbon steel surfaces is studied with scanning Kelvin probe (SKP). In-situ attenuated total...journal article 2017
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Abrahami, S.T. (author), de Kok, John M.M. (author), Terryn, H.A. (author), Mol, J.M.C. (author)For more than six decades, chromic acid anodizing (CAA) has been the central process in the surface pre-treatment of aluminum for adhesively bonded aircraft structures. Unfortunately, this electrolyte contains hexavalent chromium (Cr(VI)), a compound known for its toxicity and carcinogenic properties. To comply with the new strict...journal article 2017
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Abrahami, S.T. (author), de Kok, John M.M. (author), Gudla, Visweswara C. (author), Ambat, Rajan (author), Terryn, H.A. (author), Mol, J.M.C. (author)For more than six decades, chromic acid anodizing has been the main step in the surface treatment of aluminum for adhesively bonded aircraft structures. Soon this process, known for producing a readily adherent oxide with an excellent corrosion resistance, will be banned by strict international environmental and health regulations. Replacing...journal article 2017
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Laird, Jamie S. (author), Hughes, Anthony E. (author), Ryan, C.J. (author), Visser, P (author), Terryn, H.A. (author), Mol, J.M.C. (author)Lithium based inhibitors in aerospace coatings are seen as excellent replacements for their chromium counterparts which are both carcinogenic and heavier. However, Li is generally difficult to detect and following changes in its distribution due to corrosion is impossible with many standard techniques. Combining MeV Particle Induced Gamma and...journal article 2017
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Norouzi Afshar, F. (author), Tichelaar, F.D. (author), Glenn, A. M. (author), Taheri, P. (author), Sababi, M. (author), Terryn, H.A. (author), Mol, J.M.C. (author)This work studies the influence of the microstructure on the corrosion mechanism and susceptibility of as-brazed aluminum sheet. Various microstructures are obtained using postbrazing heat treatments developed to enhance the corrosion resistance of an AA4xxx/AA3xxx brazing sheet. The heat treatment results in a decrease of the matrix Si...journal article 2017
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Visser, P. (author), Meeusen, M. (author), Gonzalez Garcia, Y. (author), Terryn, H.A. (author), Mol, J.M.C. (author)This work presents the electrochemical evaluation of protective layers generated in a coating defect from lithium-leaching organic coatings on AA2024-T3 aluminum alloys as a function of neutral salt spray exposure time. Electrochemical impedance spectroscopy was used to study the electrochemical properties on a macroscopic scale. An...journal article 2017
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Abrahami, S.T. (author), Hauffman, T. (author), de Kok, John M.M. (author), Terryn, H.A. (author), Mol, J.M.C. (author)The long-term strength and durability of an adhesive bond is dependent on the stability of the oxide-adhesive interface. As such, changes in the chemistry of the oxide and/or the adhesive are expected to modify the interfacial properties and affect the joint performance in practice. The upcoming transition to Cr(VI)-free surface pretreatments...journal article 2017
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Hughes, Anthony (author), Laird, James (author), Ryan, Chris (author), Visser, P. (author), Terryn, H.A. (author), Mol, J.M.C. (author)The distribution and chemical composition of inorganic components of a corrosion-inhibiting primer based on polyurethane is determined using a range of characterisation techniques. The primer consists of a Li2CO3 inhibitor phase, along with other inorganic phases including TiO2, BaSO4 and Mg-(hydr)oxide. The characterisation techniques included...journal article 2017
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Pletincx, Sven (author), Marcoen, Kristof (author), Trotochaud, Lena (author), Fockaert, L.I. (author), Mol, J.M.C. (author), Head, Asley R. (author), Karslıoğlu, Osman (author), Bluhm, Hendrik (author), Terryn, H.A. (author), Hauffman, T. (author)Understanding the stability of chemical interactions at the polymer/metal oxide interface under humid conditions is vital to understand the long-term durability of hybrid systems. Therefore, the interface of ultrathin PMMA films on native aluminum oxide, deposited by reactive adsorption, was studied. The characterization of the interface of the...journal article 2017
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Visser, P. (author), Terryn, H.A. (author), Mol, J.M.C. (author)Inhibitor leaching, fast, effective and irreversible passivation are essential for active protective coatings to protect aluminium alloys. This study presents the comparison of the active protective properties of lithium carbonate and two organic corrosion inhibitors, benzotriazole and 2-mercaptobenzothiazole, on aluminium alloy 2024-T3 with...journal article 2018
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Marcoen, Kristof (author), Visser, P (author), Trindade, G. F. (author), Abel, M. L. (author), Watts, J. F. (author), Mol, J.M.C. (author), Terryn, H.A. (author), Hauffman, T. (author)Organic primer coatings loaded with environmentally harmful Cr(VI) corrosion inhibitive pigments still play an important role in corrosion protection of aluminium alloys for the aerospace industry. A potential “green” alternative coating system has recently been developed, loaded with lithium salt corrosion inhibitors. Under exposure to...journal article 2018
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Meeusen, M. (author), Visser, P. (author), Fernández Macía, L. (author), Hubin, A. (author), Terryn, H.A. (author), Mol, J.M.C. (author)In this work, the study of the time-dependent behaviour of lithium carbonate based inhibitor technology for the active corrosion protection of aluminium alloy 2024-T3 is presented. Odd random phase electrochemical impedance spectroscopy (ORP-EIS) is selected as the electrochemical tool to study the corrosion protective properties of a model...journal article 2018
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Huang, Yao (author), Deng, Leping (author), Ju, Pengfei (author), Huang, Luyao (author), Qian, H. (author), Zhang, Dawei (author), Li, Xiaogang (author), Terryn, H.A. (author), Mol, J.M.C. (author)In this study, a new self-healing shape memory polymer (SMP) coating was prepared to protect the aluminum alloy 2024-T3 from corrosion by the incorporation of dual-function microspheres containing polycaprolactone and the corrosion inhibitor 8-hydroxyquinoline (8HQ). The self-healing properties of the coatings were investigated via scanning...journal article 2018
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Visser, P. (author), Gonzalez Garcia, Y. (author), Mol, J.M.C. (author), Terryn, H.A. (author)This study focuses on the elucidation of the formation mechanism of passive layers on AA2024-T3 during the exposure to alkaline lithium carbonate solutions in the presence of sodium chloride. Under controlled conditions, in an electrochemical cell, a protective layer was generated comprising an amorphous inner layer and a crystalline outer...journal article 2018