Browsing by Author "Jiménez Piqué, Emilio"
Now showing items 1-20 of 148
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3D microextrusion of eco-friendly water based cer-cer composite pastes for hydrogen separation
(2023-12-01)
Article
Open AccessCeramic 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
(2015-08-01)
Article
Open AccessIn 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
(Elsevier, 2023-02)
Article
Open AccessIn 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
(2017-01)
Article
Open AccessThe 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
(Elsevier, 2023-07-01)
Article
Open AccessThe 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
(2021-09-01)
Article
Open AccessIn 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
(2011)
Conference report
Open AccessAmong 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
(Elsevier, 2023-11-01)
Article
Open AccessThis 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
(Elsevier, 2022-11-01)
Article
Open AccessThe 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
(2014-11)
Article
Restricted access - publisher's policyA 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
(Universitat Politècnica de Catalunya, 2022-06-16)
Conference lecture
Open AccessBiodegradable 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
(2017-02-01)
Article
Open AccessThis 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
(2012-07-15)
Article
Restricted access - publisher's policyPotentiostatic 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
(2023-06-09)
Article
Open AccessThe 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
(2022-06-16)
Conference lecture
Open AccessAdditive 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
(2020-01-13)
Article
Open AccessThe 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 ... -
Computational extreme value statistics of strength for WC-Co composites at small specimens
(Elsevier, 2024-04)
Article
Open AccessThe mechanical behavior of ceramic–metal (WC-Co) composites at small specimen level is subject to significant uncertainty due to the random assembly of (1) its constituent phases, (2) the crystal orientation of the WC ... -
Connection between mechanical relaxation and equilibration kinetics in a high-entropy metallic glass
(American Institute of Physics (AIP), 2024-02-02)
Article
Open AccessThe 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
(2014)
Article
Restricted access - publisher's policyIn 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
(2009)
Conference report
Restricted access - publisher's policy
