Browsing by Subject "Metalls -- Fatiga"
Now showing items 1-14 of 14
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Assessment of ductile-to-brittle Ttansition behavior of localized microstructural regions in a friction-stir welded X80 pipeline steel with miniaturized charpy V-notch testing
(2016-06)
Article
Restricted access - publisher's policyFriction-stir welding (FSW) is an alternative welding process for pipelines. This technology offers sound welds, good repeatability, and excellent mechanical properties. However, it is of paramount importance to determine ... -
Caracterización mecánica en régimen de fatiga para el material EN-GJS-400-18-LT
(Universitat Politècnica de Catalunya, 2008-06)
Master thesis
Restricted access - author's decisionEcotècnia-Alstom (empresa fabricante de turbinas y promotora de proyectos de energías renovables) está desarrollando una campaña de caracterización del comportamiento a fatiga de la fundición EN-GJS-400-18-LT. Esta ... -
Comportamiento mecánico bajo solicitaciones de contacto de materiales de herramienta recubiertos con capas cerámicas duras
(Universitat Politècnica de Catalunya, 2008-06)
Master thesis (pre-Bologna period)
Open AccessEn aplicaciones como la conformación en frío donde las herramientas están sometidas a diversas cargas, se usan materiales para herramientas como aceros rápidos y metales duros recubiertos con distintos recubrimientos. ... -
Deformation mechanism induced under high cycle fatigue test in a metaestable austenitic stainless steel
(2014)
Article
Restricted access - publisher's policyAdvanced techniques were used to study the deformation mechanisms induced by fatigue tests in a metastable austenitic stainless steel AISI 301LN. Observations by Atomic Force Microscopy were carried out to study the evolution ... -
Effect of ball burnishing assisted with vibrations on turning machined samples
(Universitat Politècnica de Catalunya, 2021-07-06)
Master thesis
Restricted access - author's decisionAquesta projecte té com a objectiu dissenyar, implementar i analitzar un procés de super acabat mitjançant brunyit amb bola assistit per vibracions ultrasòniques en peces cilíndriques de revolució d'acer C45. L'estudi ... -
Etude de l’initiation et de la propagation d’une fissure en fatigue à très grand nombre de cycles
(Universitat Politècnica de Catalunya / École Nationale Supérieure d’Arts et Métiers, 2008)
Master thesis (pre-Bologna period)
Restricted access - confidentiality agreement -
Fatigue life analysis of un-repaired and repaired metallic substrate using FRANC2D
(2018)
Conference lecture
Restricted access - publisher's policyWe 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 of metals
(Universitat Politècnica de Catalunya, 2015-07-03)
Bachelor thesis
Restricted access - author's decision
Covenantee: Hochschule DarmstadtFatigue of metals is a final bachelor thesis where is discussed three different methods to analyze the results of a fatigue test: The Wöhler curve, the Weibull distribution and the Gumbel distribution. From the results ... -
Guide for recommended practices to perform crack tip opening displacement tests in high strength low alloy steels
(2016-09)
Article
Open AccessFracture mechanics approach is important for all mechanical and civil projects that might involve cracks in metallic materials, and especially for those using welding as a structural joining process. This methodology can ... -
In-depth understanding of fatigue micromechanisms in cemented carbides: implications for optimal microstructural tailoring
(Multidisciplinary Digital Publishing Institute (MDPI), 2019-08-21)
Other
Open AccessThe fatigue mechanics and mechanisms of cemented carbides (composites usually referred to as hardmetals) are reviewed. The influence of microstructure on strength lessening and subcritical crack growth for these ceramic-metal ... -
Influence of boron content on the fracture toughness and fatigue crack propagation kinetics of bainitic steels
(2016-12-01)
Article
Open AccessThe relatively good combination of high strength and ductility makes bainitic steels a candidate to replace many other steels in industrial applications. However, in service, ductility and strength are not up to standard ... -
Investigation of the wear of hard-metal drilling tools when drilling cast iron
(Universitat Politècnica de Catalunya / Technishe Universität Darmstadt, 2009)
Master thesis (pre-Bologna period)
Restricted access - author's decisionSpheroidal cast iron still has a lot of applications; especially in the automotive industry. In this Master Thesis the wear of the drilling tools and its effect on the quality of the drilled holes is being studied. An ... -
Microstructure and fracture toughness of multipass friction stir welded joints of API-5L-X80 steel plates
(2016-09)
Article
Restricted access - publisher's policyFriction stir welding with the optimum parameters offers high toughness and mechanical properties for pipeline steel applications; however, at subzero temperatures such joints have shown decreased toughness relative to ... -
Study of Vibration assisted machining process
(Universitat Politècnica de Catalunya, 2021-07-07)
Master thesis
Open AccessAquest projecte s'ha realitzat amb l'objectiu de dissenyar, produir i caracteritzar una eina de mecanitzat assistida per vibració per a operacions d'acabat en torn. Més concretament, s'ha desenvolupat una sèrie d'experiments ...
