Browsing by Subject "Zirconium"
Now showing items 21-40 of 48
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Integration of conductive silver sensors on zirconia ceramics by screen-printing for monitoring strain under applied load
(2023-04-03)
Article
Open AccessThere 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 ... -
Keratinocyte proliferation and hemidesmosome formation on surfaces for dental implants: in vitro study
(2023-06)
Article
Open AccessPurpose: To demonstrate the likelihood of the polyetheretherketone (PEEK), zirconia (ZrO2), and titanium (Ti) disks to support proliferation and hemidesmosome formation of gingival cells. Materials and Methods: Water contact ... -
Laser-assisted and chemical surface modification of zirconia-based materials to enhance osteoblast response for dental applications
(Universitat Politècnica de Catalunya, 2020-10-19)
Master thesis
Open AccessLa present tesi de Màster té com a principal objectiu investigar l'efecte de la modificació superficial a nivell micromètric de la zircona dental (3Y-TZP) per promoure l'adhesió i el creixement cel·lular. Les mostres ... -
Laser-assisted surface modification of zirconia-based materials to guide osteoblast responses for dental applications
(Sociedad Española de Materiales, 2022-04-05)
Article
Open AccessThe project is aimed at investigating the effect of laser surface modification of dental-grade zirconia (3Y-TZP) to guide cellular behaviour. A nanosecond laser was employed to fabricate groove patterns on the surface of ... -
Mechanical properties of alumina infiltrated zirconia nanocomposites
(2012)
Conference report
Open Access -
Micro-compression of 3Y-TZP degraded layer
(2014)
Conference report
Open Access -
Micro-mechanical testing of advanced ceramics: tools, procedures and first results
(Centre Internacional de Mètodes Numèrics en Enginyeria (CIMNE), 2013)
Conference report
Restricted access - publisher's policyMicro-mechanical testing has lately become a more accessible tool for understanding deformation, strengthening and failure mechanisms at small scales. It has been found that the often considered intrinsic or “intensive” ... -
Micromechanical properties of yttria-doped zirconia ceramics manufactured by direct ink writing
(Elsevier, 2023-07-08)
Article
Open AccessYttria-doped zirconia ceramics have many applications in a wide range of industries mainly due to their excellent mechanical properties, corrosion resistance and biocompatibility. In this study, micromechanical properties ... -
Microstructural and topographic chanages in zirconia ceramic materials by Nd:YLF laser irradiation
(Universitat Politècnica de Catalunya, 2017-06-21)
Master thesis
Restricted access - author's decisionThe main focus of this project was to investigate the role of different laser parameters, such as laser current intensity and pulse repetition frequency, on ablation characteristics and damage of induced surface patterns ... -
Modificación superficial de implantes de cabeza femoral
(Universitat Politècnica de Catalunya, 2009-02)
Master thesis (pre-Bologna period)
Open AccessLa circona o dióxido de zirconio (ZrO2) es una cerámica con numerosas aplicaciones debido a una buena combinación de propiedades. En particular, el material Y2O3-TZP (Y2O3 stabilized tetragonal zirconia polycrystal) es ... -
New aluminium-silicon-copper microalloyed alloys
(Universitat Politècnica de Catalunya, 2018-02)
Bachelor thesis
Restricted access - author's decision
Covenantee: Bostlan / Aleastur[ANGLÈS] The objective of this project has been the development of new microalloyed aluminium-silicon-copper alloys, in order to obtain materials with improved properties through the application of heat treatments. Initially ... -
Obtenció de recobriments d'òxid de cobalt sobre catalitzadors base zircònia obtinguts per impressió 3D
(Universitat Politècnica de Catalunya, 2023-07-07)
Bachelor thesis
Restricted access - confidentiality agreementEls avenços durant les últimes dècades, han convertit la fabricació additiva en una tècnica àmpliament utilitzada en diversos sectors. Aquesta tècnica presenta múltiples avantatges com són els temps curts que es requereixen ... -
Peptidic biofunctionalization of infiltrated zirconia scaffolds produced by direct ink writing
(2024-01-01)
Article
Restricted access - publisher's policy
Covenantee: Institut de Bioenginyeria de Catalunya / Centro de Investigación Biomédica en Red. Bioingeniería, Biomateriales y NanomedicinaPorous zirconia scaffolds manufactured using polymer-infiltrated ceramic network (PICN) and additive manufacturing technologies are emerging as promising alternatives to traditional ceramic materials in dental restorations. ... -
Phase transformation and subsurface damage in 3Y-TZP after sandblasting
(2013-05)
Article
Restricted access - publisher's policyObjective The goal of this work is to investigate t–m phase transformation, and subsurface damage in 3Y-TZP after sandblasting. Methods Commercial grade 3Y-TZP powder was conventionally sintered and fully dense ... -
Preparation of SBA-15 and Zr-SBA-15 materials by direct-synthesis and pH-adjustment methods
(2021-10-15)
Article
Open AccessSBA-15 mesoporous silica materials with zirconium atoms incorporated into its structure were prepared by two methods: direct-synthesis and pH-adjustment. Two nominal ratios of Zr/Si = 0 and 0.10 were evaluated. N2-physisorption, ... -
Processing and characterization of high-density zirconia-carbon nanotube composites
(2012-07-15)
Article
Restricted access - publisher's policyAddition of multiwall carbon nanotubes (MWCNTs) to polycrystalline ceramics is currently considered as a potential method for improving their mechanical properties, mainly their fracture toughness. High density composites ... -
Proyecto y estudio de viabilidad del aprovechamiento térmico del aire generado por un molino de bolas para el procesamiento de mineral de zirconio a través de un ciclón
(Universitat Politècnica de Catalunya, 2018-01)
Master thesis
Open AccessEl objetivo de este proyecto es diseñar un secadero en la nave anexa a la producción del circonio y trasportar el mismo hacia dicha nave. Este aire caliente se produce en el martillo de bolas al triturar mineral de Zirconio ... -
Reutilització de pols ceràmica base zircònia per a l'obtenció de catalitzadors mitjançant la tècnica d'impressió 3D per extrusió
(Universitat Politècnica de Catalunya, 2024-07-05)
Bachelor thesis
Restricted access - confidentiality agreement -
Revealing crack profiles in polycrystalline tetragonal zirconia by ageing
(Elsevier, 2012-07)
Article
Restricted access - publisher's policyExposure to hot water vapour is shown to be useful for staining indentation crack profiles in doped zirconia polycrystals. This is illustrated here in 3Y-TZP with two different grain sizes, for which Vickers indentation ... -
Selective etching of injection molded zirconia-toughened alumina: Towards osseointegrated and antibacterial ceramic implants
(2016-12-01)
Article
Open AccessDue to their outstanding mechanical properties and excellent biocompatibility, zirconia-toughened alumina (ZTA) ceramics have become the gold standard in orthopedics for the fabrication of ceramic bearing components over ...
