Browsing by Author "Soldera, Flavio"

Now showing items 1-11 of 11

    • Atom Probe Tomography investigations on grain boundary segregation in polycrystalline Ti(C,N) and Zr(C,N) CVD coatings 

      El Azhari, Idriss; Barrirero, Jenifer; García, José; Soldera, Flavio; Llanes Pitarch, Luis Miguel; Mücklich, F. (2019-03-15)
      Article
      Open Access
      Atom Probe Tomography (APT) was used to obtain a direct evidence of chlor segregation and cobalt diffusion at the grain boundaries (GBs) of polycrystalline coatings deposited by moderate temperature chemical vapor deposition ...

    • Contact damage investigation of CVD carbonitride hard coatings deposited on cemented carbides 

      El Azhari, Idriss; García, José; Soldera, Flavio; Suárez, Sebastian; Jiménez Piqué, Emilio; Mücklich, Frank T.; Llanes Pitarch, Luis Miguel (2020-01-01)
      Article
      Open Access
      The evolution of damage induced as contact load is increased has been investigated on single- and multilayered coated cemented carbides by means of spherical indentation. The main objective of the study was to assess the ...

    • Contact fatigue behavior of a-Al2O3-Ti(C,N) CVD coated WC-Co under dry and wet conditions 

      Sosa, Amadeo Daniel; Collado Ciprés, Verónica; García, José; Escalada, Lisandro; Roa Rovira, Joan Josep; Soldera, Flavio; Brühl, Elisabeth; Llanes Pitarch, Luis Miguel; Simison, Sílvia Noemí (2021-02-01)
      Article
      Open Access
      The response to cycling contact fatigue load of a WC-6%Co carbide coated with a Ti(C,N)/a-Al2O3 CVD multilayer was investigated in dry and wet conditions. Imprints in dry conditions were characterized by small thin cracks ...

    • Contact fatigue behaviour of CVD coated cemented carbides in dry and wet conditions 

      Collado Ciprés, Verónica; Dalibon Bähler, Eugenia Laura; Escalada, Lisandro; Roa Rovira, Joan Josep; Jiménez Piqué, Emilio; Soldera, Flavio; Brühl, Sonia P.; Simison, Sílvia Noemí; Llanes Pitarch, Luis Miguel; Sosa, Amadeo Daniel (2022-03-15)
      Article
      Open Access
      Cycling 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 ...

    • Cyclic contact fatigue of cemented carbides under dry and wet conditions: Correlation between microstructure, damage and electrochemical behavior 

      Roa Rovira, Joan Josep; Simison, Sílvia Noemí; Grasso, J.; Arcidiacono, M.; Escalada, Lisandro; Soldera, Flavio; García, José; Sosa, Amadeo Daniel (2020-11-01)
      Article
      Open Access
      The correlation between the damage induced under cyclic contact fatigue and their electrochemical behavior (anodic polarization curves) for different WC-Co-based cemented carbides grades was investigated at the macrometric ...

    • Focused ion beam tomography of zirconia degraded under hydrothermal conditions 

      Jiménez Piqué, Emilio; Ramos, A.; Muñoz Tabares, José Alejandro; Hatton, A.; Soldera, Flavio; Mucklich, F.; Anglada Gomila, Marcos Juan (Elsevier, 2012-08)
      Article
      Restricted access - publisher's policy
      Three-dimensional tomography was performed on hydrothermal degraded zirconia by sequential focussed ion beam (FIB) sectioning and field emission scanning electron microscopy (FE-SEM) observation. By means of image analysis ...

    • Impact of temperature on chlorine contamination and segregation for Ti(C,N) CVD thin hard coating studied by nano-SIMS and atom probe tomography 

      El Azhari, Idriss; Barrirero, Jenifer; Valle, Nathalie; García, José; von Fieandt, Linus; Engstler, Michael; Soldera, Flavio; Llanes Pitarch, Luis Miguel; Mücklich, Frank T. (2022-02-01)
      Article
      Open Access
      High resolution characterization by Atom Probe Tomography (APT) and Secondary Ion Mass Spectrometry (SIMS) imaging were combined to highlight the nature of chlorine contamination and impact of deposition temperature for ...

    • Investigations on micro-mechanical properties of polycrystalline Ti(C,N) and Zr(C,N) coatings 

      El Azhari, Idriss; García, José; Zamanzade, Mohammad; Soldera, Flavio; Pauly, Christoph; Llanes Pitarch, Luis Miguel; Mücklich, Frank (2018-05-01)
      Article
      Open Access
      Micro-mechanical properties of Ti(C,N) and Zr(C,N) coatings deposited by chemical vapor deposition on a WC-Co cemented carbide substrate were examined by micro-compression testing using a nanoindenter equipped with a flat ...

    • Micromechanical investigations of CVD coated WC-Co cemented carbide by micropillar compression 

      El Azhari, Idriss; García, José Luis; Zamanzade, Mohammad; Soldera, Flavio; Pauly, Christoph; Motz, Christian; Llanes Pitarch, Luis Miguel; Mücklich, Frank T. (Elsevier, 2020-01-15)
      Article
      Open Access
      Deformation behavior of an industrial coated cemented carbide (WC-Co substrate coated with CVD multilayer of TiN/Zr(C,N)/Ti(C,N,O)/Al2O3) was investigated by means of micropillar compression method. In addition to the WC-Co ...

    • Microstructural and metallurgical assessment of the laser-patterned cemented tungsten carbide (WC-CoNi) 

      Fang, Shiqi; Soldera, Flavio; Rosenkranz, A.; Herrmann, T.; Bähre, Dirk; Llanes Pitarch, Luis Miguel; Mücklich, Frank T. (2018)
      Conference report
      Open Access
      Cemented carbide is difficult to machine using traditional chip-removal methods due to its hardness. Electrical discharge machining (EDM) is the common method applied to shape cemented carbides because high geometric ...

    • Surface topography quantification of super hard abrasive tools by laser scanning microscopy 

      Fang, Shiqi; Llanes Pitarch, Luis Miguel; Engstler, M.; Baehre, D.; Soldera, Flavio; Muecklich, F. (2016)
      Article
      Open Access
      Non-conventional super hard abrasive tools are made of composite materials containing super hard grains, e.g., diamond or cubic boron nitride (CBN) grains, bound by a metallic constitutive phase. These tools are usually ...