Claver Alba, Adrián

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https://academica-e.unavarra.es/handle/2454/48858

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Claver Alba

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Adrián

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Ingeniería

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InaMat2. Instituto de Investigación en Materiales Avanzados y Matemáticas

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0000-0001-8873-740X

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750453

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811938

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2023 - 20242
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Start date: 2023 × Subject: PVD ×

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    PublicationEmbargo
    Recubrimientos PVD HiPIMS y dúplex sobre aleaciones de Mg para aplicaciones biomédicas
    (2024) Claver Alba, Adrián; García Lorente, José Antonio; Zalakain Iriazabal, Iñaki; Ingeniería; Ingeniaritza
    Esta tesis doctoral explora el desarrollo de nuevas estrategias de recubrimiento mediante técnicas de Physical Vapor Deposition (PVD) y su combinación con otras como Plasma Electrolytic Oxidation (PEO) o sol-gel, con la finalidad de resolver este problema y permitir su aplicación en la industria biomédica.
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    PublicationOpen Access
    Corrosion and tribological performance of diamond-like carbon-coated ZK 60 magnesium alloy
    (MDPI, 2023) Claver Alba, Adrián; Fernández, Iván; Santiago, José A.; Díaz-Rodríguez, Pablo; Panizo-Laiz, Miguel; Esparza Gorráiz, Joseba; García Fuentes, Gonzalo; Zalakain Iriazabal, Iñaki; García Lorente, José Antonio; Institute for Advanced Materials and Mathematics - INAMAT2
    In this work, hydrogenated and hydrogen-free Diamond-Like Carbon (DLC) coatings were deposited into ZK60 magnesium alloy using the promising coating method High-Power Impulse Magnetron Sputtering (HiPIMS). CrC and WC were used as interlayers of the thin films, and their influence was studied. The structure and composition of the coatings were characterized using scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDS), and Raman spectroscopy. Tribological tests, scratch tests, and nanoindentation were performed to obtain information about the mechanical and tribological properties of the coatings. Finally, immersion and electrochemical tests were performed to evaluate the corrosion behavior of the samples. The results showed a homogeneous layer with improved wear resistance, toughness, and hardness in addition to good adhesion to the substrate of the ZK60 magnesium alloy. The hydrogenated DLC coating showed better results that the hydrogen-free thin layer, and relevant differences were observed depending on the interlayer. In this work, the improvement in the tribological and corrosive properties of Mg alloys was studied by using thin layers of DLC and different intermediate layers, achieving similar or even better wear and adhesion values than with thicker layers.