García Lorente, José Antonio

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https://academica-e.unavarra.es/handle/2454/49093

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García Lorente

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José Antonio

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Ingeniería

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InaMat2. Instituto de Investigación en Materiales Avanzados y Matemáticas

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0000-0002-2252-2411

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88635

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Author: Fernández de Ara, Jonathan × Subject: Tribology ×

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    PublicationOpen Access
    Improvement of the tribocorrosion properties of cemented carbide (WC-Tic-Co) samples with PVD coating
    (MDPI, 2022) García Lorente, José Antonio; Claver Alba, Adrián; Marques, Mikel; Almandoz Sánchez, Eluxka; Fernández de Ara, Jonathan; Azkona, Ibon; Institute for Advanced Materials and Mathematics - INAMAT2
    This study aims to investigate the improvement of the tribocorrosion properties of WC-TiC-Co substrates by coating them with hard coatings such as AlCrSiN using cathodic arc deposition. WC-TiC-Co is commonly used in the fabrication of machining and cutting tools; however, there are some materials such as titanium or stainless steel that are difficult to work with; furthermore, in aggressive environments or under high temperatures the performance of the machining tools can be affected, and a failure may occur. This coating is intended to ensure the correct performance of the tools in any conditions. The coatings were characterized by glow discharge optical emission spectroscopy (GDOES), scanning electron microscopy (SEM) and X-ray diffraction (XRD). Tribocorrosion, tribology and corrosion tests were performed to evaluate the tribocorrosion properties of the samples. Furthermore, mechanical and adhesive properties of the coating were studied using scratch and nanoindentation tests. The results showed improved tribocorrosion properties in the samples combined with good adhesive and mechanical properties. These results show the possibility of using these coated materials in the most demanding cutting and machining applications.