Exploració per autor "Llanes Pitarch, Luis Miguel"
Ara es mostren els items 80-99 de 177
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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
Accés obertHigh 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 ... -
Implementation of advanced characterization techniques for assessment of grinding effects on the surface integrity of WC-Co cemened carbides
Yang, Jing; Roa Rovira, Joan Josep; Schwind, Martin; Odén, Magnus; Johansson Joesaar, M.P; Esteve, Joan; Llanes Pitarch, Luis Miguel (2018)
Article
Accés obertGrinding is a key step on the manufacturing process of WC–Co cemented carbides (hardmetals). In this work, an investigation of grinding effects on the surface integrity of hardmetals is conducted. It is done by combining ... -
Implementation of advanced characterization techniques for assessment of grinding effects on the surface integrity of WC-Co cemented carbides
Yang, Jing; Roa Rovira, Joan Josep; Schwind, Martin; Odén, Magnus; Johansson-Jõesaar, M.P.; Esteve, Joan; Llanes Pitarch, Luis Miguel (2018-02-21)
Article
Accés restringit per política de l'editorialGrinding is a key step on the manufacturing process of WC–Co cemented carbides (hardmetals). In this work, an investigation of grinding effects on the surface integrity of hardmetals is conducted. It is done by combining ... -
Implementation of an effective time-saving two-stage methodology for microstructural characterization of cemented carbides
Tarrago, Jose Maria; Coureaux Mustelier, David; Torres, Yadir; Wu, F; Al-Dawery, Ihsan; Llanes Pitarch, Luis Miguel (2016)
Article
Accés obertLinear intercept on scanning electron microscopy micrographs is the most commonly used measurement method to determine carbide grain size and contiguity in WC–Co cemented carbides (hardmetals). However, it involves manual ... -
Improved adhesion of cathodic arc PVD AlCrSiN coating on ion-implanted WC-Co substrates
Ortiz Membrado, Laia; García González, Sandra; Òrrit Prat, Jordi; Bonet, Raul; Caro, Jaume; Fernández de Ara, Jonathan; Almandoz Sanchez, Eluxka; Llanes Pitarch, Luis Miguel; Jiménez Piqué, Emilio (Elsevier, 2023-06-01)
Article
Accés obertIon implantation has been shown to improve adhesion strength of AlCrSiN coatings due to a synergic enhancement on fracture toughness and load bearing capability of the substrate that can potentially increase the in-service ... -
In-depth understanding of fatigue micromechanisms in cemented carbides: implications for optimal microstructural tailoring
Llanes Pitarch, Luis Miguel (Multidisciplinary Digital Publishing Institute (MDPI), 2019-08-21)
Altres
Accés obertThe fatigue mechanics and mechanisms of cemented carbides (composites usually referred to as hardmetals) are reviewed. The influence of microstructure on strength lessening and subcritical crack growth for these ceramic-metal ... -
Indentation and scratch testing of a WC-6%wtCo cemented carbide: Corrosion effects on load-bearing capability and induced damage
Zheng, Yafeng; Fargas Ribas, Gemma; Lavigne, Olivier; Llanes Pitarch, Luis Miguel (2020-04-10)
Article
Accés obertIn this work, corrosion effects on the indentation and scratch response of a WC-6%Co hardmetal are investigated. Experimental variables include relative long corrosion times as well as indentation and scratch testing ... -
Indentation and sliding contact testing of three laser-textured and PVD-coated cemented carbide tools
Fang, Shiqi; Colominas Guardia, Carles; Pauly, Christoph; Salán Ballesteros, Maria Núria; Llanes Pitarch, Luis Miguel (Elsevier, 2023-11)
Article
Accés restringit per política de l'editorialA new concept for cemented carbide tools was presented with laser-generated abrasive-like protrusions on their machining surfaces that mimic the surface features of diamond or cubic boron nitride abrasives commonly used ... -
Influence of carbide grain size on the corrosion behaviour of WC-Co cemented carbides: electrochemical measurements, residual strenght and 3D FIB/FESEM characterization of induced damage
Fargas Ribas, Gemma; Jiménez Piqué, Emilio; Llanes Pitarch, Luis Miguel (2016)
Text en actes de congrés
Accés restringit per política de l'editorialThe exposure of cemented carbides to corrosive environments is generally associated with a reduction of the performance and life - time of tools and components. The aim of this investigation is to evaluate the effects of ... -
Influence of corrosion-induced damage on mechanical integrity and load-bearing capability of cemented carbides
Zheng, Yafeng; Fargas Ribas, Gemma; Armelín Diggroc, Elaine Aparecida; Lavigne, Olivier; Zhang, Qunlin; Yao, Jianhua; Llanes Pitarch, Luis Miguel (Multidisciplinary Digital Publishing Institute (MDPI), 2022-12-01)
Article
Accés obertTungsten carbide based cemented carbides, often simply termed hardmetals, are established forefront materials for tools, structural components, and wear parts with stringent requirements. Several of the technological ... -
Influence of different shaping and finishing processes on the surface integrity of WC-Co cemented carbides
Riu Perdrix, Guiomar; Slawik, Sebastian; Mücklich, Frank; Llanes Pitarch, Luis Miguel; Roa Rovira, Joan Josep (Multidisciplinary Digital Publishing Institute (MDPI), 2023-12-30)
Article
Accés obertInvestigation of four different surface-shaping and finishing sequences is carried out on the surface integrity of a WC-10Co hardmetal grade. The surface conditions include grinding, electrical discharge machining and ... -
Influence of grinding/polishing on the mechanical, phase stability and cell adhesion properties of yttria-stabilized zirconia
Minguela Díaz, Joaquim; Ginebra Molins, Maria Pau; Llanes Pitarch, Luis Miguel; Mas Moruno, Carlos; Roa Rovira, Joan Josep (Elsevier, 2020-09)
Article
Accés obertThe changes in mechanical properties, hydrothermal degradation and cell adhesion were studied in 3Y-TZP under two different superficial modification patterns (uni- and multidirectional) with a surface roughness ranging ... -
Influence of microstructural assemblage of the substrate on the adhesion strength of coated PcBN grades
Gordon Pozuelo, Sandra; Roa Rovira, Joan Josep; Rodríguez Suárez, Teresa; M'Saoubi, Rachid; Jiménez Piqué, Emilio; Franca, Luiz F.P.; Llanes Pitarch, Luis Miguel (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. ... -
Influence of printing direction on the mechanical properties at different length scales for WC-Co samples consolidated by Binder Jetting 3D printing
Cabezas i Peñalva, Laura; Berger, Christian; Jiménez Piqué, Emilio; Pötschke, Johannes; Llanes Pitarch, Luis Miguel (2022)
Text en actes de congrés
Accés obertAdditive 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 ... -
Influence of specimen size and microstructure on uniaxial compression of WC-Co micropillars
Sandoval Ravotti, Daniela Andreina; Rinaldi, Antonio; Notargiacomo, A.; Ther, O; Tarrés Puit, Elena; Roa Rovira, Joan Josep; Llanes Pitarch, Luis Miguel (2019-09-13)
Article
Accés obertThe current interest on the development of components on the micrometer size regime demands the evaluation of the mechanical behavior at such small length scales. Regarding cemented carbides, evaluation of mechanical ... -
Influence of substrate microstructure on the contact fatigue strength of coated cold-work tool steels
Llanes Pitarch, Luis Miguel; Ramirez, Giselle; Mestra Rodríguez, Álvaro Miguel; Casas, B.; Valls, Isaac; Martinez, R.; Bueno, R.; Goez, Alexey; Mateo García, Antonio Manuel (2012-02-25)
Article
Accés restringit per política de l'editorialThe contact fatigue behavior of three microstructurally distinct tool steels coated with a physical vapor deposited TiN film is studied. Substrate microstructural differences come from variations in either chemical composition ... -
Influence of temperature and hot corrosion on the micro-nanomechanical behavior of protective mullite EBCs
Botero Vega, Carlos Alberto; Jiménez Piqué, Emilio; Martin, R; Kulkami, Tushar; Sarin, Vinod K.; Llanes Pitarch, Luis Miguel (2015-03-01)
Article
Accés obertMaterials for components installed in the hot section of gas turbines must endure highly aggressive conditions, such as elevated temperatures and corrosive environments. Under these scenarios, CVD mullite coatings enriched ... -
Influence of temperature on the biaxial strength of cemented carbides with different microstructures
Chicardi, E; Bermejo, Raul; Gotor Martínez, Francisco José; Llanes Pitarch, Luis Miguel; Torres Hernández, Yadir (2018-02)
Article
Accés obertThe effect of the temperature on the mechanical strength of WC-Co cemented carbides with different microstructures (grain size and binder content) was evaluated. Biaxial flexural tests were performed on three cemented ... -
Influence of the mean carbide size on the micromechanical response of WC-Co hardmetals
Sandoval, Daniela A.; Tarrago, J.M.; Rinaldi, Antonio; Notargiacomo, A.; Roa Rovira, Joan Josep; Fair, Jonathan; Llanes Pitarch, Luis Miguel (2017)
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Influence of the microstructure on corrosion induced damage of WC-Co cemented carbides
Fargas Ribas, Gemma; Sosa, D.; Tarragó, José María; Tarrés Puit, Elena; Fair, Jonathan; Llanes Pitarch, Luis Miguel (2020-05-27)
Article
Accés obertThe main goal of the present work is to study the influence of the microstructure on the corrosion behavior of cemented carbides WC-Co in two corrosive media. Corrosion kinetics were determined by immersion tests while the ...