Browsing by Author "Jiménez Piqué, Emilio"
Now showing items 1-20 of 118
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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 ... -
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 ... -
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
Restricted access - publisher's policyThe 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 ... -
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 ... -
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 -
Contact damage in artificially aged 3Y-TZP
(2010)
Article
Restricted access - publisher's policyThe 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 ... -
Contact damage in artificially aged 3Y-TZP
(2010)
Article
Open AccessTetragonal zirconia polycrystals doped with 3% mol of yttria (3Y - TZP) are increasingly employed as implants in the human body, because they are biocompatible and have relatively high strength and fracture toughness. ... -
Contact damage investigation of CVD carbonitride hard coatings deposited on cemented carbides
(2020-01-01)
Article
Open AccessThe evolution of damage induced as contact load is increased has been investigated on single- and multilayered coated cemented carbides by means of spherical indentation. The main objective of the study was to assess the ... -
Contact fatigue behaviour of CVD coated cemented carbides in dry and wet conditions
(2022-03-15)
Article
Restricted access - publisher's policyCycling contact fatigue indentation tests in dry and wet conditions were conducted in cemented carbides CVD-coated with Ti(C,N)/a-Al2O3 and Zr(C,N)/a-Al2O3 systems. In dry contact experiments, all imprints presented a ... -
Contact fatigue damage of monolayer and bilayer ceramic coatings deposited on cemented carbides
(2012)
Article
Open AccessEn este trabajo se estudia el comportamiento a fatiga bajo solicitaciones de contacto de un carburo cementado WC-Co recubierto con dos películas cerámicas distintas: TiN y WC/C, ya sea como monocapas o bicapas, mediante ... -
Contact fatigue damage of monolayer and bilayer ceramic coatings depposited on cemented carbides
(2012)
Conference report
Open AccessEn este trabajo se estudia el comportamiento a fatiga bajo solicitaciones de contacto de un carburo cementado WC-Co recubierto con dos películas cerámicas distintas: TiN y WC/C, ya sea como monocapas o bicapas, mediante ...
