Browsing by Subject "Materials -- Propietats mecàniques"
Now showing items 1-20 of 121
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A multi-mechanism model for cutting simulations based on the concept of generalized stresses
(CIMNE, 2015)
Conference lecture
Open AccessBased on the concept to of generalized stresses as proposed by Gurtin [6] and Forest [4], we extend an existing model for strain rate- and temperature-dependent asymmetric plastic material behavior accompanied by phase ... -
A multi-scale theoretical model for soft materials
(Universitat Politècnica de Catalunya, 2018-09-27)
Bachelor thesis
Open AccessMany manufactured materials, such as rubbers, are made of several constituents with very different mechanical stiffness. Interestingly, the overall mechanical response of the material exhibits a very particular response ... -
A stabilised displacement–volumetric strain formulation for nearly incompressible and anisotropic materials
(2021-04)
Article
Restricted access - publisher's policyThe simulation of structural problems involving the deformations of volumetric bodies is of paramount importance in many areas of engineering. Although the use of tetrahedral elements is extremely appealing, tetrahedral ... -
Accumulative roll bonding of aluminum/stainless steel sheets
(2017-06)
Article
Open AccessAn Al/Stainless Steel/Al lamellar composite was produced by roll bonding of the starting sheets at 400 °C. Afterward, the roll bonded sheet was cut in half and the accumulative roll bonding (ARB) process at room temperature ... -
Analysis of the micro and substructural evolution during severe plastic deformation of ARMCO iron and consequences in mechanical properties
(2019-01-07)
Article
Restricted access - publisher's policyARMCO iron processed by ECAP up to a maximum equivalent strain of sixteen ECAP passes following route Bc was investigated by Electron Back Scattering Diffraction (EBSD), Transmission Electron Microscopy (TEM), TEM-EBSD and ... -
Anàlisi de la influència de diferents paràmetres d’impressió en el comportament mecànic de peces obtingudes per Fused Filament Fabrication (FFF)
(Universitat Politècnica de Catalunya, 2020-05-12)
Master thesis
Open AccessAquests darrers anys la popularitat i l’evolució de la impressió 3D han estat exponencials. Cada cop existeixen més tècniques de fabricació additiva que permeten obtenir molt bons resultats amb multitud de materials, ja ... -
Análisis crítico de correlaciones básicas existentes entre la microestructura y las propiedades mecánicas de carburos cementados
(Universitat Politècnica de Catalunya, 2020-07-14)
Master thesis
Open AccessLos carburos cementados WC-Co (comúnmente referidos como metal duro) son materiales compuestos cuya aplicación ha ido incrementando de forma exponencial, desde su introducción hace ya casi un siglo, en distintos ámbitos ... -
Annealing aged zirconia: study of surface mechanical properties at the micrometric length scale
(Elsevier, 2015-03-01)
Article
Open AccessThe annealing of hydrothermal aged zirconia has been studied by analysing the changes in microstructure and surface mechanical properties in terms of the annealing temperature. In this experimental work, a systematic micro- ... -
Application of configurational mechanics to crack propagation
(International Centre for Numerical Methods in Engineering (CIMNE), 2017)
Conference report
Open AccessCrack initiation and propagation is an essential aspect in the mechanical behavior of a large variety of materials and structures in all fields of Engineering and, in particular, the prediction of crack trajectories is one ... -
Assessment of corrosion-induced changes on the mechanical integrity of cemented carbides at small length scales
(2019-11-01)
Article
Open AccessIn this work, the effect of corrosion-induced damage on the mechanical response of hardmetals was evaluated at small length-scale by means of nanoindentation and nanoscratch techniques. Damage was introduced in a controlled ... -
Can surface modification enhance the mechanical properties through microstructural changes of magnesium alloys?
(Universitat Politècnica de Catalunya, 2021-02-12)
Master thesis
Open AccessEl objectivo principal de este trabajo final de máster (TFM) consiste en estudiar el efecto de la modificación microestructural, así como la directa modificación de las propiedades mecánicas bajo diferentes campos de ... -
Caracterización avanzada de muestras de aleación Al - Si - 10 Mg obtenidas por fabricación aditiva
(Universitat Politècnica de Catalunya, 2021-02-09)
Bachelor thesis
Open AccessEn las ´ultimas tres d´ecadas, la fabricaci´on aditiva se ha desarrollado significativamente. Aunque inicialmente se centr´o s´olo en los pol´ımeros, r´apidamente se diversific´o a otras familias de materiales como los ... -
Caracterización de acero metaestable con modificación superficial mediante patrones láser
(Universitat Politècnica de Catalunya, 2020-10-21)
Master thesis
Open AccessEn este trabajo final de máster, se pretende modificar las propiedades tribológicas a nivel superficial en un acero metaestaeble TRIP (TRansformation Induced Plasticity). Para ello, se han realizado patrones láser con ... -
Caracterización de Ti-6Al-4V producido por fabricación aditiva mediante deposición directa
(Universitat Politècnica de Catalunya, 2019-02-13)
Master thesis
Open Access
Covenantee: Université de LorraineDurante más de veinte años, la fabricación aditiva ha revolucionado la industria en muchos campos en constante búsqueda de innovación, como la aeronáutica. Además, este proceso de fabricación es ahora aplicable a una ... -
Caracterización mecánica y microestructural de piezas de superaleación fabricadas mediante técnicas de manufactura aditiva
(Universitat Politècnica de Catalunya, 2021-02-05)
Bachelor thesis
Restricted access - author's decisionS'han imprès peces 3D mitjançant extrusió de pèl·lets de Inconel 718. Es van estudiar els paràmetres d'impressió més adequats per a aconseguir respectar la tolerància de les peces. Es va eliminar el solvent en dos passos, ... -
Caracterización termo-mecánica de un grado de PLA mediante la técnica de DMTA
(2017-10-06)
Research report
Restricted access - confidentiality agreement -
Carbon addition effects on microstructure and small-scale hardness for Ti(C,N)-FeNi cermets
(2019-12-01)
Article
Open AccessThe current study investigates the influence of carbon addition on the microstructural and micromechanical properties of Ti(C,N)-FeNi cermets with different ceramic/metal phase ratios. Evaluation of small-scale hardness ... -
Characterization of nonhomogeneity in the dispersive properties of the materials used in pipes
(Institute of Electrical and Electronics Engineers (IEEE), 2017)
Conference report
Restricted access - publisher's policyThis article is focused on the characterization of the lack of homogeneity in the dispersive acoustic properties of polymeric materials used in industrial pipes. Usually, the parameter of interest associated to dispersion ... -
Characterization of the degradation behaviour of Passive Fire Protector materials
(Universitat Politècnica de Catalunya / Università di Bologna, 2010)
Master thesis (pre-Bologna period)
Open AccessPassive Fire Protection (PFP) is used to protect industrial equipment against accidental fires, delaying the temperature rise and the loss of mechanical properties of the structural materials. If properly applied, this may ... -
Characterization of the surface modification of a Metastable Stainless Steel induced by Ground Polishing
(Universitat Politècnica de Catalunya, 2020-10-14)
Master thesis
Open AccessMetastable austenitic stainless steels are distinguished by their susceptibility to the Transformation Induced Plasticity (TRIP) effect, where austenite (γ) to martensite (α’- and/or ε) transformation is triggered mechanically. ...
