Ingeniería Mecánica y de Fabricación
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Continuum Modeling and Simulation in Bone Tissue Engineering [Article]
(MDPI, 2019-09)Bone tissue engineering is currently a mature methodology from a research perspective. Moreover, modeling and simulation of involved processes and phenomena in BTE have been proved in a number of papers to be an excellent ...
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Wheel-rail contact force measurement. A comparison between distance laser and strain gauges measuring technology [PhD Thesis]
(2019-12-13)The development of this PhD thesis is focus on the wheel/rail contact force measurement on a 1 : 10 scaled railway vehicle. To that end, the author has designed and manufactured a dynamometric wheelset instrumented with ...
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Paliativo frente a la fatiga por fretting y análisis del proceso de fatiga en cordones metálicos [PhD Thesis]
(2019)El fallo de cables de acero es comúnmente producido por el fenómeno de la fatiga. Para analizar el fallo por fatiga en este tipo de elementos, un nuevo equipo de ensayos ha sido diseñado, fabricado y validado. Uno de los ...
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Fretting-Fatigue Analysis of Shot-Peened Al 7075-T651 Test Specimens [Article]
(MDPI AG, 2019-05)Shot peening is a mechanical treatment that induces several changes in the material: surface roughness, increased hardness close to the surface, and, the most important, compressive residual stresses. This paper analyzes ...
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On the Analysis of the Contact Conditions in Temporomandibular Joint Prostheses [Article]
(Hindawi Limited, 2018-04)Temporomandibular joint replacement (TMJR) is a complex surgical procedure in which the artificial joints available must assure the anatomical reconstruction and guarantee a good range of the natural temporomandibular joint ...
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Análisis del shot peening como paliativo en fatiga por fretting [PhD Thesis]
(2019-06-11)La fatiga por fretting es un tipo especial de fatiga que se produce en las superficies de contacto de uniones mecánicas tales como uniones atornilladas, uniones roblonadas, álabes de turbinas, uniones de ejes, cables ...
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Monitorización de estructuras aeroespaciales y análisis de técnicas de integración de sensores de BRAGG. [PhD Thesis]
(2018-12-19)La presente tesis doctoral tiene como objetivos el estudio y desarrollo de la tecnología de los sensores de Bragg para la monitorización estructural, evaluando sus principales limitaciones y deficiencias que impiden su ...
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Analysis of single stage SPIF process applied to the hole flanging operation. [PhD Thesis]
(2018-11-09)Tradicionalmente, las operaciones de rebordeado se llevan a cabo en la industria mediante técnicas de prensado convencionales utilizando punzón y troquel. Sin embargo, investigaciones recientes en conformado incremental ...
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Numerical study on the thickness homogenization in hole-flanging by single-point incremental forming [Presentation]
(Institute of Physics Publishing, 2018-08)Incremental sheet forming is a novel technology that has significant benefits compared to conventional forming. However, it is a time-consuming process that is usually carried out in several forming stages to homogenize ...
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Experimental and numerical analysis of the flanging process by SPIF [Presentation]
(Institute of Physics Publishing, 2018-08)This paper analyses the flangeability of AA2024-T3 sheets using single point incremental forming (SPIF). With this purpose, a series of process parameters is considered including flange length and width, tool radius and ...
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Experimental Study on the Evaluation of Necking and Fracture Strains in Sheet Metal Forming Processes [Presentation]
(Elsevier, 2013)In this paper the formability of AA2024-T3 metal sheets is experimentally analyzed. For this purpose, a series of StretchBending and Incremental Sheet Forming (ISF) tests are carried out. The former tests allow determine ...
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Recent Approaches for the Determination of Forming Limits by Necking and Fracture in Sheet Metal Forming [Presentation]
(Elsevier, 2015)Forming limit diagrams (FLD’s) are used to evaluate the workability of metal sheets. FLD’s provide the failure locus at which plastic instability occurs and localized necking develops (commonly designated as the forming ...
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On the study of the single-stage hole-flanging process by SPIF [Presentation]
(Elsevier, 2015)Recent studies show the capability of single-point incremental forming to perform successfully hole-flanging operations using multi-stage strategies. The aim of this work is to investigate the ability of the SPIF process ...
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Recent Approaches for the Manufacturing of Polymeric Cranial Prostheses by Incremental Sheet Forming [Presentation]
(Elsevier, 2017)This paper presents recent research experiences developed with the aim of manufacturing cranial prostheses in polymeric sheet using Incremental Sheet Forming (ISF) technologies. With this purpose, different approaches have ...
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Numerical explicit analysis of hole flanging by single-stage incremental forming [Presentation]
(Elsevier, 2017-06)The use of Single-Point Incremental Forming (SPIF) technology in hole flanging operations using multi-stages strategies have been widely studied in the last few years. However, these strategies are very time-consuming, ...
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Preliminary investigation on homogenization of the thickness distribution in hole-flanging by SPIF [Presentation]
(Elsevier, 2017-06)A drawback of the hole-flanging process by single-stage SPIF is the non-uniform thickness obtained along the flange. Multi-stage strategies have been used to improve it, however they increase notably the manufacturing time. ...
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Beam-Ion Acceleration during Edge Localized Modes in the ASDEX Upgrade Tokamak [Article]
(American Physical Society, 2018-07)The acceleration of beam ions during edge localized modes (ELMs) in a tokamak is observed for the first time through direct measurements of fast-ion losses in low collisionality plasmas. The accelerated beamion population ...
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Dinámica de sistemas multicuerpo rígido-flexible en coordenadas absolutas [PhD Thesis]
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SDR: Las radios definidas por software requieren pruebas avanzadas [Article]
(Ediciones Técnicas REDE, 2008)Hoy en día y más que antes, las tecnologías de radio frecuencia (RF) se están desarrollando para su adaptación - adaptación a un espectro de RF muy poblado - a los diversos requisitos de la red y a los cambios en las ...
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Parametric analysis of gravity offshore structures: Part 1 [Article]
(Elsevier, 1981)The objective of this paper is to analyse the influence of the variation of some parameters used in the analysis of the dynamic response of offshore structures under the action of wind generated waves. The structural ...