CIEFMA - Centre d'Integritat Estructural, Fiabilitat i Micromecànica dels Materials: Enviaments recents
Ara es mostren els items 1-12 de 406
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Contact fatigue behaviour of CVD coated cemented carbides in dry and wet conditions
(2022-03-15)
Article
Accés obertCycling contact fatigue indentation tests in dry and wet conditions were conducted in cemented carbides CVD-coated with Ti(C,N)/a-Al2O3 and Zr(C,N)/a-Al2O3 systems. In dry contact experiments, all imprints presented a ... -
Surface integrity of new dry-electropolishing technology on WC-Co cemented carbides
(Elsevier, 2022)
Article
Accés obertThis study is focused on WC-Co dry-electropolished by DryLyte® technology that allows to obtain corrosion-free surfaces with a roughness below 9 nm. The main goal behind this research is to investigate the surface integrity ... -
Optimization of the sintering thermal treatment and the ceramic ink used in direct ink writing of a-Al2O3: Characterization and catalytic application
(Elsevier, 2022-06-01)
Article
Accés restringit per política de l'editorialUnlike other engineered ceramic products, alumina (Al2O3) displays interesting mechanical and physical properties, which makes it an ideal candidate for a wide range of uses in different fields and in particular for catalytic ... -
Influence of microstructural assemblage of the substrate on the adhesion strength of coated PcBN grades
(2022-01-01)
Article
Accés restringit per política de l'editorialCoated polycrystalline cubic boron nitride (PcBN) tools are increasingly used for industrial applications with stringent requirements. However, information on the mechanical integrity of these systems is quite limited. ... -
Fatigue resistance evaluation of high Mn-TWIP steel through damage mechanics: A new method based on stiffness evolution
(2022-03-01)
Article
Accés obertThe work presented here deals with the implementation of a new methodology that allows fast and reliable determination of the fatigue strength. It is based on monitoring the specimen stiffness changes at different stress ... -
Phase diagrams in alternative hard materials: Validation of thermodynamic simulation through high temperature x-ray diffraction, differential thermal analysis and microstructural characterization
(2021-06)
Article
Accés obertIn this investigation, Ti(C,N)-FeNiCr systems were designed using Thermo-Calc® software. Materials were processed by conventional powder metallurgy, employing different carbon additions to study a wide range of the phase ... -
Optimization of the ceramic ink used in Direct Ink Writing through rheological properties characterization of zirconia-based ceramic materials
(2022-02)
Article
Accés obertUnderstanding and optimization the rheological properties characterization of zirconia (ZrO2) based ceramics inks is critical for optimizing the production of Direct Ink Writing (DIW) components to achieve complex structures ... -
Contact fatigue of WC-6%wtCo cemented carbides: Influence of corrosion-induced changes on emergence and evolution of damage
(2022-02)
Article
Accés obertThe effect of corrosion-induced changes on the contact fatigue response and associated damage in a medium-grained WC-6%wtCo hardmetal grade is investigated. Cyclic contact loading tests are conducted by means of Hertzian ... -
Morphological and mechanical characterization of chitosan/gelatin/silica-gentamicin/bioactive glass coatings on orthopaedic metallic implant materials
(2021-08-31)
Article
Accés obertMetals are the most widely used materials for orthopedics and dentistry due to their high mechanical properties. However, for certain uses like fixation plates and screws, dental implants, and osseo-articular prosthesis, ... -
Corrosion effects on hertzian contact fatigue behavior of a WC-Co cemented carbide
(2021)
Text en actes de congrés
Accés obertThe effect of corrosion on the damage induced under cyclic contact loading for a medium-grained WC-6%wtCo hardmetal grade is investigated. Contact fatigue tests are conducted by means of Hertzian indentation techniques. ... -
Ti(C,N)-Fe15Ni10Cr cermets as alternative hard materials: Influence of the processing route and composition on their microstructure and properties
(2021-08-15)
Article
Accés obertProcessing route is a determining factor that affects the properties of hard materials. Although processing routes are well defined for WC-Co hardmetals, a complete study is needed to understand the factors influencing the ... -
Extraction of microstructural parameters from sculptured thin films nanoindentation
(Elsevier, 2021-11-15)
Article
Accés obertThis work deals with the indentation analysis of nanocolumnar thin films and the difficulties encountered to deduce relevant mechanical parameters by this methodology. SiO2 thin films prepared by physical vapour oblique ...