- document
-
Imani, Amin (author), Rahimi, E. (author), Lekka, Maria (author), Andreatta, Francesco (author), Magnan, Michele (author), Gonzalez Garcia, Y. (author), Mol, J.M.C. (author), Raman, R. K. Singh (author), Fedrizzi, Lorenzo (author), Asselin, Edouard (author)Mg and its alloys are promising biodegradable materials for orthopedic implants and cardiovascular stents. The first interactions of protein molecules with Mg alloy surfaces have a substantial impact on their biocompatibility and biodegradation. We investigate the early-stage electrochemical, chemical, morphological, and electrical surface...journal article 2024
- document
-
State, Sabrina Patricia (author), Costovici, Stefania (author), Mousavi, M. (author), Gonzalez Garcia, Y. (author), Zanella, Caterina (author), Cojocaru, Anca (author), Anicai, Liana (author), Visan, Teodor (author), Enachescu, Marius (author)In this work we present the pulsed current (PC) electrodeposition of Sn-Cu-Ni alloy as lead-free solder candidate, from choline chloride – ethylene glycol eutectic mixtures (1:2 molar ratio) onto copper metallic substrates. Electrolytes containing Sn<sup>2+</sup>, Cu<sup>2+</sup> and Ni<sup>2+</sup> salts in the selected deep eutectic solvent...journal article 2024
- document
-
Li, Z. (author), Visser, Peter (author), Hughes, Anthony E. (author), Homborg, A.M. (author), Gonzalez Garcia, Y. (author), Mol, J.M.C. (author)The quest for novel alternatives to hexavalent-chromium-based corrosion inhibitors is of utmost significance and urgency. Strict international health and safety regulations, due to growing concerns regarding the impact of hexavalent chromium on human health and the environment, have pushed the commercial introduction of many alternative...journal article 2024
- document
-
Liu, Z. (author), Baluchová, S. (author), Li, Z. (author), Gonzalez Garcia, Y. (author), Hall, Clive E. (author), Buijnsters, J.G. (author)In this work, four different techniques were concurrently applied to study the interplay between local electroactivity and electrode surface characteristics of free-standing, polycrystalline boron-doped diamond (BDD). Scanning electron microscopy, electron back-scatter diffraction, Raman mapping and scanning electrochemical microscopy were...journal article 2024
- document
-
Li, Z. (author), Homborg, A.M. (author), Visser, Peter (author), Gonzalez Garcia, Y. (author), Mol, J.M.C. (author)In this work, the corrosion mechanism of AA2024-T3 covered by a lithium-based conversion layer is studied with high spatial and temporal resolution. Although the aluminium alloy surface is protected by a multi-layered conversion layer, areas around intermetallic phases (IMPs) represent weak spots due to an insufficient generation of a...journal article 2024
- document
-
Kar, S. (author), Yilmaz, A. (author), Traka, K. (author), Sietsma, J. (author), Gonzalez Garcia, Y. (author)This work investigates the role of grain size and recrystallization texture in the corrosion behavior of pure iron in 0.1 M sulfuric acid solution. Annealing heat treatment was applied to obtain samples with different average grain sizes (26, 53 and 87 µm). Optical microscopy, X-ray diffraction and electron backscatter diffraction techniques...journal article 2023
- document
-
Michailidou, E. (author), Visser, P. (author), Mol, J.M.C. (author), Kosari, A. (author), Terryn, H.A. (author), Baert, K. (author), Gonzalez Garcia, Y. (author)The corrosion inhibiting effect of lithium carbonate has been studied over the pH range relevant for atmospheric corrosion conditions at the polymer/metal interface. It is demonstrated that lithium carbonate offers optimum corrosion protection under moderately alkaline conditions attributed to the formation of a protective layer identified as...journal article 2023
- document
-
Liu, Z. (author), Baluchová, S. (author), Frota Sartori, A. (author), Li, Z. (author), Gonzalez Garcia, Y. (author), Schreck, Matthias (author), Buijnsters, J.G. (author)In this work, three distinct heteroepitaxial single-crystal boron-doped diamond (SC-BDD) electrodes were fabricated and subjected to detailed surface analysis and electrochemical characterization. Specifically, the heteroepitaxy approach allowed to synthesize large-area (1 cm<sup>2</sup>) and heavily-doped (100)-oriented SC-BDD electrodes....journal article 2023
- document
-
Liu, M. (author), Zhu, Jia-Ning (author), Popovich, V. (author), Borisov, E. (author), Mol, J.M.C. (author), Gonzalez Garcia, Y. (author)Electrochemical tests and surface analysis measurements were performed to study the corrosion behavior in a 0.9 wt.% NaCl solution at 37 °C of three NiTi shape memory alloys fabricated by laser-powder bed fusion (L-PBF). The passive film characteristics and corrosion resistance of L-PBF NiTi showed different features as a function of their...journal article 2023
- document
-
Li, Z. (author), Homborg, A.M. (author), Gonzalez Garcia, Y. (author), Visser, Peter (author), Soleimani, M. (author), Mol, J.M.C. (author)The influence of ageing under ambient conditions on the corrosion protective behaviour of a lithium-based conversion layer on AA2024-T3 is studied in this work. Conversion layers aged at ambient conditions for relatively short times (0 h and 4 h), show an initial high degree of corrosion inhibition but a much lower protectiveness after the...journal article 2023
- document
-
Rahimi, E. (author), Sanchis-Gual, Roger (author), Chen, Xiangzhong (author), Imani, Amin (author), Gonzalez Garcia, Y. (author), Asselin, Edouard (author), Mol, J.M.C. (author), Fedrizzi, Lorenzo (author), Pané, Salvador (author), Lekka, Maria (author)The last two decades have witnessed the emergence of micro- and nanoswimmers (MNSs). Researchers have invested significant efforts in engineering motile micro- and nanodevices to address current limitations in minimally invasive medicine. MNSs can move through complex fluid media by using chemical fuels or external energy sources such as...review 2023
- document
-
Liu, M. (author), Zhu, Jia-Ning (author), Popovich, V. (author), Borisov, E. (author), Mol, J.M.C. (author), Gonzalez Garcia, Y. (author)Electrochemical tests and surface analysis were applied to study the corrosion behavior and passive film characteristics of three-dimensional-printed NiTi shape memory alloys fabricated by laser-powder bed fusion (L-PBF) in artificial saliva at 37 °C. The passivity of L-PBF NiTi shows to be influenced by the process parameters and resulting...journal article 2023
- document
-
Rahimi, E. (author), Kim, Donghoon (author), Offoiach, Ruben (author), Sanchis-Gual, Roger (author), Chen, Xiang Zhong (author), Taheri, P. (author), Gonzalez Garcia, Y. (author), Mol, J.M.C. (author), Fedrizzi, Lorenzo (author), Pané, Salvador (author), Lekka, Maria (author)Functional oxide nanoparticles are extensively utilized in the last decades for biomedical purposes due to their unique functional properties. Nevertheless, their biodegradation mechanism by biological species, particularly by proteins at oxide/protein interfaces, still remains limited. Here, a systematic approaches is provided to investigate...journal article 2023
- document
-
Li, Z. (author), Li, G. (author), Visser, Peter (author), Homborg, A.M. (author), Gonzalez Garcia, Y. (author), Mol, J.M.C. (author)Scanning electrochemical microscopy (SECM) is employed to characterize the evolution of local electrochemical surface activity during lithium-based conversion layer formation on legacy aerospace aluminium alloy AA2024-T3. Initially, three types of studied intermetallic particles - S-, θ- and constituent phases - act as active cathodic areas....journal article 2023
- document
-
Pillado, B. (author), Mingo, B. (author), del Olmo, R. (author), Matykina, E. (author), Kooijman, A.M. (author), Gonzalez Garcia, Y. (author), Arrabal, R. (author), Mohedano, M. (author)Zinc aluminium (Zn-Al) and lithium aluminium (Li-Al) – layered double hydroxides (LDH) coatings with incorporated inhibitors (Li−, Mo− and W−based) were successfully synthesized on AZ31 Mg alloy. Zn−Al LDH W and Li−Al LDH Li showed the highest corrosion resistance and were selected for further evaluation. SEM cross−section examination...journal article 2023
- document
-
Vega, Jesús Manuel (author), Ganborena, Larraitz (author), Gonzalez Garcia, Y. (author), Özkaya, Berkem (author), Grande, Hans Jürgen (author), García-Lecina, Eva (author)The impact of the pH on the corrosion of microporous nickel-chromium coatings has been explored at localised scale by Scanning Electrochemical Microscopy and validated by potentiodynamic polarisation measurements. Results not only reveal the correlation between both techniques but also enables to identify the different corrosion rate after...journal article 2023
- document
-
Yilmaz, A. (author), He, X. (author), Pletincx, Sven (author), Hauffman, Tom (author), Sietsma, J. (author), Gonzalez Garcia, Y. (author)The role of prior austenite grain size (PAGS) on the passive layer properties of martensitic steels is studied. Electron backscatter diffraction analysis shows that PAGS between 5 and 66 µm were obtained after applying different heat treatments. The barrier properties of passive film deteriorate with grain refinement up to 28 µm, attributed to...journal article 2022
- document
-
Asperti, S. (author), Hendrikx, R.W.A. (author), Gonzalez Garcia, Y. (author), Kortlever, R. (author)Copper is one of the most promising catalysts for the CO<sub>2</sub> reduction reaction (CO<sub>2</sub>RR) due to its unique capability of producing multicarbon products in appreciable quantities. Most of the CO<sub>2</sub>RR research efforts have been directed towards the development of new electrocatalysts to either increase product...journal article 2022
- document
-
Mousavi, M. (author), Kosari, A. (author), Mol, J.M.C. (author), Gonzalez Garcia, Y. (author)Electroless nickel (Ni) immersion gold (Au), commonly referred to by the acronym ENIG, is the most common protective coating applied on the exposed copper (Cu) traces of printed circuit boards (PCBs). In this work, we elucidate the local corrosion mechanism of the ENIG-Cu system by applying microscopic, surface analysis and electrochemical...journal article 2022
- document
-
Maicas Esteve, H. (author), Taji, Iman (author), Wilms, M.E. (author), Gonzalez Garcia, Y. (author), Johnsen, Roy (author)The use of metal additive manufacturing (AM) has strongly increased in the industry during the last years. More specifically, selective laser melting (SLM) is one of the most used techniques due to its numerous advantages compared to conventional processing methods. The purpose of this study is to investigate the effects of process parameters...journal article 2022