Now showing items 21-40 of 40

    • Étude a long terme et à la fatigue des systèmes d'ancrage de pièces métalliques dans le béton 

      Borrell Ferreres, David (Universitat Politècnica de Catalunya, 2010-05-18)
      Minor thesis
      Open Access
      En l’actualitat l’ús de pilars metàl·lics en la construcció és molt habitual, la unió dels pilars metàl·lics amb les fonamentacions de formigó és un punt clau dl bon funcionament estructural i de la durabilitat de ...
    • Fatigue behavior and associated binder deformation mechanisms in WC-Co cemented carbides 

      Vladimir Valle Alvarez, Lauro (Universitat Politècnica de Catalunya, 2013-06)
      Master thesis
      Open Access
      The mechanical integrity of WC-Co hardmetals has been studied by the occurrence of subcritical crack growth and strength degradation under cycling loading. The investigation is conducted on three WC-Co hardmetals grades ...
    • Fatigue behavior of PLA-wood composite manufactured by fused filament fabrication 

      Travieso Rodriguez, Jose Antonio; Zandi, Mohammad Damous; Jerez Mesa, Ramón; Llumà Fuentes, Jordi (Elsevier, 2020-07-08)
      Article
      Open Access
      In this paper, the fatigue behavior of a polylactic acid-based composite reinforced with wood (trademarked as Timberfill) processed through fused filament fabrication is analyzed through rotating bending fatigue tests. ...
    • Fatigue behavior of porous titanium structures obtained by space holder method 

      Giménez Hidalgo, Oliver (Universitat Politècnica de Catalunya, 2020-02-13)
      Master thesis
      Restricted access - author's decision
      Covenantee:   Université de Lorraine
      Titanium currently used in biomedical implant applications has shown some limitations, one of the most important being the mismatch between the mechanical properties of bone and the implant. This problem is solved with ...
    • Fatigue life analysis of un-repaired and repaired metallic substrate using FRANC2D 

      Pitta, Siddharth; Rojas Gregorio, José Ignacio; Crespo Artiaga, Daniel; Wahab, Magd Abdel (2018)
      Conference lecture
      Restricted access - publisher's policy
      We present numerical investigations on fatigue life analysis of un-re-paired and repaired metallic substrate. Most of the engineering structures fail due to fatigue under dynamic loading. While research is mostly focused ...
    • Fatigue properties of duplex stainless steel 

      Turrel, Benjamin; Luna Garcia, Jordi; Andraschko, Stephan (Universitat Politècnica de Catalunya, 2009-12-02)
      Master thesis (pre-Bologna period)
      Open Access
      Covenantee:   Høgskolen i Oslo
      The aim of the project is to study fatigue properties of duplex stainless steel used for a bridge. The samples had to be tested and the results have to be compared with the theory, studied before. Six specimens have been ...
    • Fatigue resistance of press hardened 22MnB5 steels 

      Parareda Oriol, Sergi (Universitat Politècnica de Catalunya, 2020-02-10)
      Master thesis
      Restricted access - author's decision
      Press hardening of Boron steels, mainly the 22MnB5 grade, has been implemented during more than a decade in several structural components of the automotive sector, mostly in the body-in-white (BiW). The process combines ...
    • Fatigue strength of cold-work tool steels: microstructure – critical flaw correlation 

      Goez, Alexey; Picas Anfruns, Ingrid; Valls, I.; Casas, B.; Casellas Padró, Daniel; Llanes Pitarch, Luis Miguel (2009)
      Conference lecture
      Restricted access - publisher's policy
    • Fatigue testing and properties of hardmetals in the gigacycle range 

      Kotas, Agnieszka Betzwar; Danninger, Herbert; Weiss, Brigitte; Mingard, K.P.; Sánchez, José; Llanes Pitarch, Luis Miguel (2017-01-01)
      Article
      Open Access
      Hardmetal products are frequently fatigue loaded in service, such as e.g. cutting tools for milling or percussion drills. In the present work, the fatigue behaviour of hardmetals was investigated into the gigacycle range ...
    • Fracture and fatigue of titanium narrow dental implants: New trends in order to improve the mechanical response 

      Velasco Ortega, Eugenio; Flichy Fernández, Antonio; Punset Fuste, Miquel; Jimenez Guerra, Álvaro; Manero Planella, José María; Gil Mur, Francisco Javier (Multidisciplinary Digital Publishing Institute (MDPI), 2019-11-12)
      Article
      Open Access
      Covenantee:   Universidad de Sevilla / Universitat de València / Universitat Internacional de Catalunya
      Sixty-four fractured commercially pure titanium (cp-Ti) narrow dental implants (NDIs) with similar macrogeometry and connection designs were studied after different implantation times in humans in order to determine their ...
    • Implantació dels protocols del laboratori d’assajos i validacions d’Avinent Implant System 

      Galigrov, Anton (Universitat Politècnica de Catalunya, 2016-07)
      Bachelor thesis
      Restricted access - author's decision
      Covenantee:   Avinent Implant System
      Aquest projecte tracta de la implantació de protocols de laboratori d'assajos i validacions per als nous i actuals productes de l'empresa Avinent Implant System. Aquests protocols serviran per a les validacions dels nous ...
    • La Fatiga dels elements mecànics 

      Bigordà Peiró, Jacinto; Fenollosa Coral, Josep (Edicions UPC, 1993)
      Book
      Restricted access to the UPC academic community
      Aquest text és un estudi del fenomen de la fatiga dels elelments mecànics per la teoria de la duració segons la tensió. Després d'unes consideracions introductòries, fa una descripció i una anàlisi dels assaigs de flexió ...
    • Mechanical properties of 3D-printing polylactic acid parts subjected to bending stress and fatigue testing 

      Travieso Rodriguez, Jose Antonio; Jerez Mesa, Ramón; Llumà Fuentes, Jordi; Traver Ramos, Oriol; Gómez Gras, Giovanni; Roa Rovira, Joan Josep (Multidisciplinary Digital Publishing Institute (MDPI), 2019-11-22)
      Article
      Open Access
      This paper aims to analyse the mechanical properties response of polylactic acid (PLA) parts manufactured through fused filament fabrication. The influence of six manufacturing factors (layer height, filament width, fill ...
    • Microstructural influence on the fatigue behaviour of cemented carbides 

      Tarragó Cifre, Jose María; Schneider, Ludwig; Al-Dawery, Ihsan; Llanes Pitarch, Luis Miguel (2015)
      Conference report
      Open Access
    • Modelo simplificado de daño por fatiga para hormigón armado 

      Carnicero, Alberto; Perera, Ricardo; Alcarcón, Enrique (Universitat Politècnica de Catalunya, 2001)
      Article
      Open Access
      En este artículo se presenta un modelo simplificado para la evaluación de daño por fatiga de bajo ciclo en elementos estructurales de hormigón armado. Basándose en los principios fundamentales de la Mecánica de la ...
    • Posada al dia d'una matriceria per a pulverimetal·lúrgia 

      Mendoza Bonet, Marc (Universitat Politècnica de Catalunya, 2018-07-02)
      Bachelor thesis
      Restricted access - author's decision
      Adapatarem el disseny d'una antiga matriu per a millorar-la i posar-la al dia d'acord amb els avenços que s'han fet en els últims anys.
    • Quantification of microdamage formation during fatigue testing of individual human trabeculae 

      Kabbani González, Omar (Universitat Politècnica de Catalunya, 2019-11-11)
      Master thesis
      Restricted access - author's decision
      Covenantee:   Technische Universität Wien
      Bones provide support to the human body as well as protection of vital organs. During daily activities, such as walking and running, fatigue loading causes formation of microcracks. However, different mechanisms exist that ...
    • Small scale fracture behaviour of multilayer TiN/CrN systems: Assessment of bilayer thickness effects by means of ex-situ tests on FIB-milled micro-cantilevers 

      Roa Rovira, Joan Josep; Rodríguez, R.; Lamelas, Victor; Jiménez Piqué, Emilio; Llanes Pitarch, Luis Miguel; Martínez, R. (Elsevier, 2016-12-25)
      Article
      Open Access
      TiN/CrN multilayered PVD coatings are known to exhibit outstanding micromechanical properties and wear resistance. On the other hand, information on their small scale fracture behaviour is rather scarce. The present work ...
    • Texture and fatigue behavior of ultrafine grained copper produced by ECAP 

      Higuera Cobos, Oscar Fabián; Berríos-Ortiz, Jonathan Antonio; Cabrera Marrero, José M. (2014-07)
      Article
      Restricted access - publisher's policy
      Electrolytic Tough Pitch (ETP) and Fire Refined High Conductivity (FRHC) copper samples were severely deformed by equal channel angular pressing (ECAP) and the effect of plastic deformation on the microstructure, texture ...
    • Validation on large scale tests of a new hardening–softening law for the Barcelona plastic damage model 

      Barbu, Lucia Gratiela; Martínez García, Javier; Oller Martínez, Sergio Horacio; Barbat Barbat, Horia Alejandro (2015-12-01)
      Article
      Open Access