Exploració per autor "Jiménez Piqué, Emilio"
Ara es mostren els items 1-20 de 141
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3D microextrusion of eco-friendly water based cer-cer composite pastes for hydrogen separation
Bartoletti, Andrea; Sangiorgi, Alex; Mercadelli, Elisa; Melandri, Cesare; Gondolini, Angela; García González, Sandra; Ortiz Membrado, Laia; Morales Comas, Miguel; Jiménez Piqué, Emilio; Sanson, Alessandra (2023-12-01)
Article
Accés obertCeramic membranes operating at high-temperatures are a key-technology for hydrogen separation processes. Cer-cer composites based on BaCe0.65Zr0.20Y0.15O3-d-Gd0.2Ce0.8O2-d have gained increasing attention as asymmetric ... -
A comparative study of the contact fatigue behavior and associated damage micromechanisms of TiN- and WC:H-coated cold-work tool steel
Ramírez Sandoval, Giselle; Jiménez Piqué, Emilio; Mestra Rodríguez, Álvaro Miguel; Vilaseca Vallvé, M. Mercedes; Casellas Padró, Daniel; Llanes Pitarch, Luis Miguel (2015-08-01)
Article
Accés obertIn this study the contact fatigue behavior of two coated tool steel is compared. They differ in the chemical nature of the coatings as well as on the deposition route used: a conventional TiN coating prepared by cathodic ... -
A computational framework for micromechanical modelling of WC-Co composites
Sousa Machado, Pedro Vinicius; Caner, Ferhun Cem; Llanes Pitarch, Luis Miguel; Jiménez Piqué, Emilio (Elsevier, 2023-02)
Article
Accés obertIn this study, the mechanical behavior under monotonic loads of tungsten carbide-cobalt (WC-Co) composites is investigated extensively by analyzing (1) nanoindentation tests on WC particles and Co matrix, (2) nanowires ... -
A parametric study of laser interference surface patterning of dental zirconia: Effects of laser parameters on topography and surface quality
Roitero, Erica; Lasserre, F.; Anglada Gomila, Marcos Juan; Mücklich, Frank; Jiménez Piqué, Emilio (2017-01)
Article
Accés obertThe aim of this work is to generate micrometric linear patterns with different topography on dental grade zirconia by means of UV laser interference and to assess the quality of the produced surface, both in term of the ... -
A review of surface topographical modification strategies of 3Y-TZP: Effect in the physicochemical properties, microstructure, mechanical reliability, and biological response
García de Albéniz López de Aberasturi, Nerea; Jiménez Piqué, Emilio; Roa Rovira, Joan Josep; Mas Moruno, Carlos (Elsevier, 2023-07-01)
Article
Accés obertThe development of zirconia dental implants has become increasingly popular over the last years due to the outstanding mechanical properties, superior aesthetic appearance and high biocompatibility of this material. However, ... -
Aluminum protection by using green zirconium oxide layer and organic coating: An efficient and adherent dual system
Bonamigo Moreira, Vitor; Meneguzzi, Alvaro; Jiménez Piqué, Emilio; Alemán Llansó, Carlos; Armelín Diggroc, Elaine Aparecida (2021-09-01)
Article
Accés obertIn this work, the use of ZrO2 nanocoating in aluminum substrates, generated by controlled electrochemical chronoamperometry in hexafluorozirconic acid solutions (H2ZrF6·5H2O), resulted in a lower porous films than that ... -
Anodic oxidation of titanium for implants and prothesis: processing characterization and potential improvement of osteointegration
Anglada Gomila, Marcos Juan; Pavon, Juan José; Galvis, Oscar; Echevarria, F; Castaño, J; Echeverry, M; Robledo, S; Jiménez Piqué, Emilio; Mestra Rodríguez, Álvaro Miguel (2011)
Text en actes de congrés
Accés obertAmong all biomaterials used for bone replacement, it is recognized that both commercially pure titanium (Ti c.p.) and Ti6Al4V alloy are the materials that show the best in vivo performance due to their excellent balance ... -
Assessing the viability of high-frequency spot melting for super duplex stainless steel 2507 via electron beam powder bed fusion
Roos, Stefan; Barberá Flichi, Francesc; Ortiz Membrado, Laia; Botero Vega, Carlos Alberto; Jiménez Piqué, Emilio; Rännar, Lars Erik (Elsevier, 2023-11-01)
Article
Accés obertThis study investigates the use of Electron Beam Powder Bed Fusion (PBF-EB) spot melting on SDSS 2507, a material known for its high tensile strength, corrosion resistance, and welding properties. Spot melting, a localized ... -
Assessment of fracture toughness of cemented carbides by using a shallow notch produced by ultrashort pulsed laser ablation, and a comparative study with tests employing precracked specimens
Ortiz Membrado, Laia; Jiménez Piqué, Emilio; Moreno Pedraz, Pablo; Llanes Pitarch, Luis Miguel (Elsevier, 2022-11-01)
Article
Accés restringit per política de l'editorialThe use of fracture mechanics for rationalizing the fracture behavior of cemented carbides is valid, as far as sharp cracks, free of residual stresses and subjected to a well-defined stress state are used for assessing ... -
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'editorialA 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; ... -
Biodegradable metallic zinc alloys for biomedical applications
García Mintegui, Claudia; Goncharov, I.S.; Jiménez Piqué, Emilio; Vedani, M.; Cortina Pallás, José Luís; Pegueroles Neyra, Marta (Universitat Politècnica de Catalunya, 2022-06-16)
Comunicació de congrés
Accés obertBiodegradable metals, such as zinc (Zn) appear to overcome some of the drawbacks of permanent metallic implants. However, the uncontrolled biodegradation of Zn-alloyed materials is still a concern for biomedical applications ... -
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 obertThis 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 ... -
Chemical and mechanical properties of anodized cp-titanium in NH4 H2PO4/NH4F media for biomedical applications
Aloia Games, Lucas; Gomez Sanchez, Andrea; Jiménez Piqué, Emilio; Schreiner, Wido H.; Ceré, Silvia M.; Ballarre, Josefina (2012-07-15)
Article
Accés restringit per política de l'editorialPotentiostatic anodizing of commercially pure titanium, using ammonium phosphate and ammonium fluoride solution as electrolyte is studied. The objective is to generate titanium oxides on the surface and phosphor compounds ... -
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 obertThe 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 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 ... -
Compositionally-tailored steel-based materials manufactured by electron beam melting using blended pre-alloyed powders
Koptyug, Andrey; Popov Jr., Vladimir V.; Botero Vega, Carlos Alberto; Jiménez Piqué, Emilio (2020-01-13)
Article
Accés obertThe paper presents the prospects of additive manufacturing (AM) in metal, using the powder bed fusion (PBF) method Electron Beam Melting (EBM) in fabrication specific steel-based alloys for different applications. The ... -
Connection between mechanical relaxation and equilibration kinetics in a high-entropy metallic glass
Duan, Yajuan; Nabahat, Mehran; Tong, Yu; Ortiz Membrado, Laia; Jiménez Piqué, Emilio; Zhao, Kun; Wang, Yun-Jiang; Yang, Yong; Wada, Takeshi; Kato, Hidemi; Pelletier, J. M.; Qiao, Jichao; Pineda Soler, Eloi (American Institute of Physics (AIP), 2024-02-02)
Article
Accés obertThe slow transition from an out-of-equilibrium glass towards a supercooled liquid is a complex relaxation phenomenon. In this Letter, we study the correlation between mechanical relaxation and equilibration kinetics in a ... -
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'editorialIn 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)
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Contact damage in artificially aged 3Y-TZP
Armas Sancho, Zamir de; Jiménez Piqué, Emilio; Mestra Rodríguez, Álvaro Miguel; Anglada Gomila, Marcos Juan (2010)
Article
Accés restringit per política de l'editorialThe behaviour of hydrothermal degraded 3 % molar yttria stabilised zirconia under monotonic spherical indentation has been studied. The investigation is focused mainly on analysing the response under spherical indentation ...