Ara es mostren els items 15-34 de 177

    • Berkovich nanoindentation and deformation mechanisms in a hardmetal binder-like cobalt alloy 

      Roa Rovira, Joan Josep; Jiménez Piqué, Emilio; Tarragó Cifre, Jose María; Zivcec, Maria; Broeckmann, C.; Llanes Pitarch, Luis Miguel (2014-11)
      Article
      Accés restringit per política de l'editorial
      A cobalt-base solid solution is the most used binder for hardmetals (WC–Co cemented carbides) in a wide range of industrial applications. In the composite material such cobalt alloy is surrounded by hard carbides grains; ...
    • Caracterización nanomecánica mediante la técnica de nanoindentación de partículas duras 

      Cuadrado, Núria; Casellas Padró, Daniel; Caro, J; Llanes Pitarch, Luis Miguel (2009)
      Article
      Accés obert
    • Carbon addition effects on microstructure and small-scale hardness for Ti(C,N)-FeNi cermets 

      Besharatloo, H.; Nicolás Morillas, Maria de; Wheeler, J.M.; Mateo García, Antonio Manuel; Ferrari, Begoña; Gordo Odériz, Elena; Llanes Pitarch, Luis Miguel; Roa Rovira, Joan Josep (2019-12-01)
      Article
      Accés obert
      The current study investigates the influence of carbon addition on the microstructural and micromechanical properties of Ti(C,N)-FeNi cermets with different ceramic/metal phase ratios. Evaluation of small-scale hardness ...
    • Characterization of interfaces between TiCN and iron-base binders 

      Alvaredo, P; Roa Rovira, Joan Josep; Jiménez Piqué, Emilio; Llanes Pitarch, Luis Miguel; Gordo Odériz, Elena (2017-02-01)
      Article
      Accés obert
      This work includes a study of the interface between matrix and reinforcement in Fe-Ti(C,N) systems. A study of wettability and solubility between metal and ceramic phases is first performed. It combines wetting experiments ...
    • Comparative study of mechanical performance of AlCrSiN coating deposited on WC-Co and cBN hard substrates 

      Liang, Jing; Serra, Marc; Gordon Pozuelo, Sandra; Fernández de Ara, Jonthan; Almandoz Sanchez, Eluxka; Llanes Pitarch, Luis Miguel; Jiménez Piqué, Emilio (2023-06-09)
      Article
      Accés obert
      The objective of this study is to explore and compare the mechanical response of AlCrSiN coatings deposited on two different substrates, namely, WC-Co and cBN. Nano-indentation was used to measure the hardness and elastic ...
    • Comparison of microstructure and mechanical properties at different length scales of WC-Co hardmetals consolidated by binder jetting 3D printing and hip 

      Cabezas, L.; Berger, C.; Jiménez Piqué, Emilio; Mateo García, Antonio Manuel; Pötschke, J.; Llanes Pitarch, Luis Miguel (2022-06-16)
      Comunicació de congrés
      Accés obert
      Additive Manufacturing (AM) is rapidly growing as a revolutionary technique. It provides an interesting ability to produce complex geometries, a key feature for enhancing performance and widening application fields of ...
    • Comportamiento a fractura de aceros para trabajo en frío: Influencia de la microestructura 

      Goez, Alexey; Picas Anfruns, Ingrid; Torres Hernández, Yadir; Casellas Padró, Daniel; Llanes Pitarch, Luis Miguel (2009)
      Article
      Accés restringit per política de l'editorial
      La implementación de los Aceros de Alta Resistencia (AHSS) en el diseño estructural del sector de la automoción permite reducciones importantes en el peso y consumo de combustible de los coches. Sin embargo, el conformado ...
    • Contact damage and fracture micromechanism of multilayered TiN/CrN coatings at micro- and nano-length scales 

      Roa Rovira, Joan Josep; Jiménez Piqué, Emilio; Martínez, R; Ramírez Sandoval, Giselle; Tarragó, Josep Maria; Rodríguez, R; Llanes Pitarch, Luis Miguel (2014)
      Article
      Accés restringit per política de l'editorial
      In this study, systematic nanomechanical andmicromechanical studies have been conducted in threemultilayer TiN/CrN systems with different bilayer periods (8, 19 and 25 nm). Additionally, experimental work has been ...
    • Contact Damage and Residual Strength in Cemented Carbides 

      Goez, Alexey; Reig, Blanca; Nordenström, Henrik; Tarres, Elena; Jiménez Piqué, Emilio; Llanes Pitarch, Luis Miguel (2009)
      Text en actes de congrés
      Accés restringit per política de l'editorial
    • Contact damage induced by means of conical indentation in hardmetals: Microstructural effects on residual strength 

      Fooladimahani, Saghar; Liu, Chao; Sousa Machado, Pedro Vinicius; Lin, L.L.; Wen, Xin; Jiménez Piqué, Emilio; Llanes Pitarch, Luis Miguel (Elsevier, 2024-01)
      Article
      Accés obert
      Aiming to evaluate the influence of microstructure on residual strength of hardmetals, conical indentation is implemented and validated as a simple and practical methodology to introduce controlled damage. Work is carried ...
    • 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
      Accés obert
      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 damage resistance of TiN-coated hardmetals: Beneficial effects associated with substrate grinding 

      Yang, Jing; García Marro, Fernando; Todorov Trifonov, Trifon; Odén, Magnus; Johansson Joesaar, M.P; Llanes Pitarch, Luis Miguel (2015-08-15)
      Article
      Accés obert
      Contact loading is a common service condition for coated hardmetal tools and components. Substrate grinding represents a key step within the manufacturing chain of these coated systems. Within this context, the influence ...
    • 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
      Accés obert
      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 Behavior of PVD-Coated Steel 

      Ramírez, Giselle; Tarres, Elena; Casas Aguirregomezcorta, Begoña; Valls, Isaac; Martínez Martínez, María del Rosario; Llanes Pitarch, Luis Miguel (2009)
      Article
      Accés restringit per política de l'editorial
      In this study, the contact fatigue behavior of a PVD TiN coating deposited onto DIN 1.2379 coldwork tool steel is assessed by cyclic spherical indentation. Experimental characterization focuses on the evaluation of ...
    • 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
      Accés obert
      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 ...
    • Contact fatigue behaviour of tin film deposited onto cold-work tool steels 

      Ramírez, Giselle; Casas Aguirregomezcorta, Begoña; Valls, Isaac; Martinez, Rosario; Bueno, Rebeca; Llanes Pitarch, Luis Miguel (2009)
      Text en actes de congrés
      Accés restringit per política de l'editorial
    • Contact fatigue damage of monolayer and bilayer ceramic coatings deposited on cemented carbides 

      Mateo García, Antonio Manuel; Llanes Pitarch, Luis Miguel; Jiménez Piqué, Emilio (2012)
      Article
      Accés obert
      En este trabajo se estudia el comportamiento a fatiga bajo solicitaciones de contacto de un carburo cementado WC-Co recubierto con dos películas cerámicas distintas: TiN y WC/C, ya sea como monocapas o bicapas, mediante ...
    • Contact fatigue damage of monolayer and bilayer ceramic coatings depposited on cemented carbides 

      Mateo García, Antonio Manuel; Llanes Pitarch, Luis Miguel; Jiménez Piqué, Emilio (2012)
      Text en actes de congrés
      Accés obert
      En este trabajo se estudia el comportamiento a fatiga bajo solicitaciones de contacto de un carburo cementado WC-Co recubierto con dos películas cerámicas distintas: TiN y WC/C, ya sea como monocapas o bicapas, mediante ...
    • Contact fatigue of WC-6%wtCo cemented carbides: Influence of corrosion-induced changes on emergence and evolution of damage 

      Fargas Ribas, Gemma; Lavigne, Olivier; Llanes Pitarch, Luis Miguel (2022-02)
      Article
      Accés obert
      The 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 ...
    • Corrosion damage in WC-Co cemented carbides: residual strength assessment and 3D FIB-FESEM tomography characterisation 

      Tarragó Cifre, Jose María; Fargas Ribas, Gemma; Jiménez Piqué, Emilio; Felip, Alba; Isern, Lluis; Coureaux Mustelier, David; Roa Rovira, Joan Josep; Al-Dawery, Ihsan; Fair, Jonathan; Llanes Pitarch, Luis Miguel (2014-12-01)
      Article
      Accés restringit per política de l'editorial
      The effect of corrosion damage on cemented carbides was investigated. The study included residual strength assessment and detailed fractographic inspection of corroded specimens as well as detailed 3D FIB-FESEM tomography ...