Exploració per autor "Llanes Pitarch, Luis Miguel"
Ara es mostren els items 75-94 de 177
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Grinding effects on surface integrity and mechanical strength of WC-Co cemented carbides
Yang, Jing; Odén, Magnus; Johansson-Jõesaar, M.P.; Llanes Pitarch, Luis Miguel (Elsevier, 2014)
Article
Accés obertIn this study, the correlation existing among grinding, surface integrity, and flexural strength is investigated for WC-Co cemented carbides (hardmetals). A fine-grained WC-13 wt % Co grade and three different surface ... -
Grinding-induced metallurgical alterations in the binder phase of WC-Co cemented carbides
Yang, Jing; Roa Rovira, Joan Josep; Schwind, Martin; Odén, Magnus; Johansonn Joesaar, M. P.; Llanes Pitarch, Luis Miguel (2017-12)
Article
Accés obertThe metallic binder phase dictates the toughening behavior of WC-Co cemented carbides (hardmetals), even though it occupies a relative small fraction of the composite. Studies on deformation and phase transformation of the ... -
Hall-Petch strengthening of the constrained metallic binder in WC-Co cemented carbides: Experimental assessment by means of massive nanoindentation and statistical analysis
Roa Rovira, Joan Josep; Jiménez Piqué, Emilio; Salla Tarragó, José María; Mateo García, Antonio Manuel; Sandoval, Daniela A.; Fair, Jonathan; Llanes Pitarch, Luis Miguel (2016-10-31)
Article
Accés obertWC–Co cemented carbides are geometrically complex composites constituted for two interpenetrating networks of the constitutive ceramic and metal phases. Accordingly, assessment of microstructural effects on the local ... -
High-temperature wettability in hard materials: Comparison of systems with different binder/carbide phases and evaluation of C addition
Nicolás Morillas, Maria de; Llanes Pitarch, Luis Miguel; Gordo Odériz, Elena (Elsevier, 2023-02-01)
Article
Accés obertMetal-ceramic wettability is a decisive parameter in the high-temperature sintering of hard materials. Wettability tests enable the study of this property with minimum material waste, especially useful in the search of ... -
Hot deformation behaviour of sintered cobalt
Collado Ciprés, Verónica; García, José Luis; Cabrera Marrero, José M.; Llanes Pitarch, Luis Miguel (Elsevier, 2023-11-01)
Article
Accés obertHot deformation of sintered cobalt during hot compression testing was investigated in the temperature range of 700–1000 °C and at strain rates ranging from 0.0005 to 0.1 s-1. Cobalt underwent considerable dynamic ... -
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 ...