Exploració per autor "Jiménez Piqué, Emilio"
Ara es mostren els items 65-84 de 142
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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 hardness, low Young's modulus and low friction of nanocrystalline ZrW2 Laves phase and Zr1-xWx thin films
Horwat, David; Jiménez Piqué, Emilio; Pierson, J.F.; Migot, A.; Dehmas, M.; Anglada Gomila, Marcos Juan (2012-04)
Article
Accés restringit per política de l'editorialZr1−xWx nanocrystalline films of Zr-W solid solutions and ZrW2 Laves phase were synthesized by magnetron co-sputtering. Large values of the H/E ratio up to 0.09 are observed for grain sizes in the nanometer range along ... -
High hardness, low youngs modulus and low friction of nanocrystalline ZrW 2 laves phase and Zr 1-xW x thin films
Horwat, David; Jiménez Piqué, Emilio; Pierson, J.F.; Migot, S.; Dehmas, M.; Anglada Gomila, Marcos Juan (2012)
Article
Accés restringit per política de l'editorialZr1−xWx nanocrystalline films of Zr-W solid solutions and ZrW2 Laves phase were synthesized by magnetron co-sputtering. Large values of the H/E ratio up to 0.09 are observed for grain sizes in the nanometer range along ... -
High temperature mechanical properties of a multilayer Y-TZP processed by superplastic flow
Dominguez Rodriguez, Arturo; Jiménez Piqué, Emilio; Jiménez Melendo, Manuel (1998-06)
Article
Accés obertThe increasing applications of advanced materials in different areas including the fields of aerospace, energy, electronics, optics, biology, etc. . . often require not only tailored properties but also complex shapes ... -
Hydrogen-rich gas production by steam reforming and oxidative steam reforming of methanol over La0.6Sr0.4CoO3-d: effects of preparation, operation conditions, and Redox cycl
Morales Comas, Miguel; Laguna Bercero, Miguel Ángel; Jiménez Piqué, Emilio (American Chemical Society (ACS), 2023-07-25)
Article
Accés obertLa0.6Sr0.4CoO3-d (LSC) perovskite, as a potential catalyst precursor for hydrogen (H2)-rich production by steam reforming of methanol (SRM) and oxidative steam reforming of methanol (OSRM), was investigated. For this ... -
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 ... -
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 ECAP process on mechanical, corrosion and bacterial properties of Zn-2Ag alloy for wound closure devices
García Mintegui, Claudia; Goncharov, Ivan; Ortiz Membrado, Laia; Jiménez Piqué, Emilio; Ginebra Molins, Maria Pau; Vedani, Maurizio; Cortina Pallás, José Luís; Pegueroles Neyra, Marta (Elsevier, 2023-04-01)
Article
Accés obert
Realitzat a/amb: Politecnico di Milano / Institut de Bioenginyeria de CatalunyaActual polymeric wound closure devices are not optimal for load-bearing applications due to the low mechanical properties and the risk of inflammation and bacterial infection mainly produced by multifilament and braided ... -
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 microstructure and mechanical properties on the tribological behavior of reactive arc deposited Zr-Si-N coatings at room and high temperature
Yalamanchili, Kumar; Jiménez Piqué, Emilio; Pelcastre, L.; Roa Rovira, Joan Josep; Johansson Joesaar, M.P; Prakash, Bhanu; Ghafoor, N; Odén, Magnus (Elsevier, 2016-10-25)
Article
Accés obertVarying the Si-content in Zr-Si-N coatings from 0.2 to 6.3 at.% causes microstructural changes from columnar to nanocomposite structure and a hardness drop from 37 to 26 GPa. The softer nanocomposite also displays lower ... -
Influence of nanosecond laser surface patterning on dental 3Y-TZP: Effects on the topography, hydrothermal degradation and cell response
García de Albéniz López de Aberasturi, Nerea; Ginebra Molins, Maria Pau; Jiménez Piqué, Emilio; Mas Moruno, Carlos (2024-01-01)
Article
Accés obert
Realitzat a/amb: Institut de Bioenginyeria de CatalunyaObjectives Laser surface micropatterning of dental-grade zirconia (3Y-TZP) was explored with the objective of providing defined linear patterns capable of guiding bone-cell response. Methods A nanosecond (ns-) laser ... -
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 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 the elastic mismatch on the Hertzian cone crack path in ceramic bilayers
Ceseracciu, Luca; Anglada Gomila, Marcos Juan; Jiménez Piqué, Emilio (Elsevier, 2011-10-01)
Article
Accés restringit per política de l'editorialContact damage is a key aspect in the structural integrity of ceramics, particularly ceramic coatings and multilayers that may have an elastic mismatch. An understanding of the critical load and trajectories of the crack ... -
Integration of conductive silver sensors on zirconia ceramics by screen-printing for monitoring strain under applied load
Zhang, Junhui; Ahmadi, Maziar; Serra Fanals, Marc; Jiménez Piqué, Emilio; Llanes Pitarch, Luis Miguel; Fargas Ribas, Gemma (2023-04-03)
Article
Accés obertThere is a growing interest in zirconia ceramics due to their high flexural strength, excellent corrosion resistance and good biocompatibility. The assembly of advanced zirconia material with functions of sensing, actuation ... -
Intrinsic hardness of constitutive phases in WC-Co composites: Nanoindentation testing, statistical analysis, WC crystal orientation effects and flow stress for the constrained metallic binder
Roa Rovira, Joan Josep; Jiménez Piqué, Emilio; Verge, C.; Tarragó Cifre, Jose María; Mateo García, Antonio Manuel; Fair, Jonathan; Llanes Pitarch, Luis Miguel (Elsevier, 2015-11-01)
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Accés obertThe intrinsic hardness of the constitutive phases in WC-Co composites is investigated by combining experimental and statistical analysis nanoindentation techniques. It is done on the basis of considering the cemented carbide ... -
Intrinsic hardness of constitutive phases in WC–Co composites:Nanoindentation testing, statistical analysis, WC crystal orientation effectsand flow stress for the constrained metallic binder
Roa Rovira, Joan Josep; Jiménez Piqué, Emilio; Verge, C.; Tarrago, J.M.; Mateo García, Antonio Manuel; Fair, Jonathan; Llanes Pitarch, Luis Miguel (Elsevier, 2015-11-03)
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Accés obertThe intrinsic hardness of the constitutive phases in WC–Co composites is investigated by combining experimental and statistical analysis nanoindentation techniques. It is done on the basis of considering the cemented carbide ... -
Laser machining of nickel oxide–yttria stabilized zirconia composite for surface modification in solid oxide fuel cells
Morales Comas, Miguel; García González, Sandra; Plch, Michaela; Montinaro, Dario; Jiménez Piqué, Emilio (Multidisciplinary Digital Publishing Institute (MDPI), 2023-06-26)
Article
Accés obertLaser machining of the nickel oxide–yttria-stabilized zirconia (NiO–YSZ) composite in Solid Oxide Fuel Cells (SOFCs) may be an effective approach to enlarge the electrode–electrolyte interface and improve the cell performance. ... -
Low temperature degradation and mechanical properties of alumina reinforced ceria-zirconia by colloidal processing
Tovar Vargas, Daniela; Ferrari, B; Anglada Gomila, Marcos Juan; Jiménez Piqué, Emilio (Elsevier, 2021-02-02)
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Accés obert10Ce-TZP base composites with 2.5, 5, 10 and 15 wt% alumina were fabricated by colloidal processing from slurries with 41 vol% solid load in order to investigate the effects of alumina in the final composites aging and ... -
Low temperature degradation of laser patterned 3Y-TZP: enhancement of resistance after thermal treatment
Roitero, Erica; Ochoa Vives, Manuel; Anglada Gomila, Marcos Juan; Mücklich, Frank; Jiménez Piqué, Emilio (Elsevier, 2018-04)
Article
Accés obertThe aim of this study is to characterize the resistance to low temperature degradation (LTD) of the surface of dental-grade zirconia (3Y-TZP) patterned with a Nd:YAG laser (532. nm harmonic and pulse duration of 10. ns) ...