Now showing items 1-20 of 70

  • Accumulative roll bonding of aluminum/stainless steel sheets 

    Nejad Fard, Navid Mohammad; Mirzadeh, Hamed; Rezayat, Mohammad; Cabrera Marrero, José M. (2017-06)
    Article
    Open Access
    An 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 ...
  • A multi-mechanism model for cutting simulations based on the concept of generalized stresses 

    Cheng, C.; Mahnken, R.; Ivanov, I.M.; Uhlmann, E. (CIMNE, 2015)
    Conference lecture
    Open Access
    Based 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 

    Marti Gallego, Enric (Universitat Politècnica de Catalunya, 2018-09-27)
    Bachelor thesis
    Open Access
    Many 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 ...
  • Analysis of the micro and substructural evolution during severe plastic deformation of ARMCO iron and consequences in mechanical properties 

    Muñoz Bolaños, J.A.; Higuera Cobos, Oscar Fabián; Benito Páramo, José Antonio; Bradai, Djamel; Khelfa, T.; Cabrera Marrero, José M. (2019-01-07)
    Article
    Restricted access - publisher's policy
    ARMCO 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 ...
  • Annealing aged zirconia: study of surface mechanical properties at the micrometric length scale 

    Roa Rovira, Joan Josep; Anglada Gomila, Marcos Juan (Elsevier, 2015-03-01)
    Article
    Open Access
    The 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 

    Crusat Codina, Laura; Carol, Ignacio (International Centre for Numerical Methods in Engineering (CIMNE), 2017)
    Conference report
    Open Access
    Crack 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 

    Zheng, Y.F.; Fargas Ribas, Gemma; Besharatloo, H.; Serra, Marco; Roa Rovira, Joan Josep; Armelín Diggroc, Elaine Aparecida; Lavigne, Olivier; Llanes Pitarch, Luis Miguel (2019-11-01)
    Article
    Restricted access - publisher's policy
    In 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 ...
  • Caracterización termo-mecánica de un grado de PLA mediante la técnica de DMTA 

    Maspoch Rulduà, Mª Lluïsa; Santana Pérez, Orlando Onofre; Cailloux, Jonathan (2017-10-06)
    External research report
    Restricted access - confidentiality agreement
  • Carbon addition effects on microstructure and small-scale hardness for Ti(C,N)-FeNi cermets 

    Besharatloo, H.; Nicolás Morillas, Maria de; Wheeler, J.M.; Mateo García, Antonio Manuel; Ferrari, Begoña; Gordo Odériz, Elena; Llanes Pitarch, Luis Miguel; Roa Rovira, Joan Josep (2019-12-01)
    Article
    Restricted access - publisher's policy
    The 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 

    Millán Blasco, Oliver; Salazar Soler, Jorge; Chávez Domínguez, Juan Antonio; Turó Peroy, Antonio; García Hernández, Miguel J. (Institute of Electrical and Electronics Engineers (IEEE), 2017)
    Conference report
    Restricted access - publisher's policy
    This 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 

    Anaut Rufas, Celia (Universitat Politècnica de Catalunya / Università di Bologna, 2010)
    Master thesis (pre-Bologna period)
    Open Access
    Passive 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 ...
  • Composites from keratin biofibers. Study of compatibility using polyolephinic matrices 

    Carrillo Navarrete, Fernando; Rahalli, A; Cañavate Ávila, Francisco Javier; Colom Fajula, Xavier (2012)
    Conference report
    Restricted access - publisher's policy
    The study deals with the analysis and characterization of chicken feathers (CFs) based thermoplastic composites. The performance of the composite has been characterized in terms of mechanical properties which have been ...
  • Design and additive manufacturing of architected materials with non-linear mechanical response 

    Fabián Alfonso, Ricardo (Universitat Politècnica de Catalunya / University of California, Irvine, 2013)
    Bachelor thesis
    Restricted access - author's decision
    Covenantee:  University of California, Irvine
    Most structural systems are designed to operate in their elastic regime, resulting in a linear relationship between applied loads and resulting displacements. This behavior is easy to analyze but not necessarily optimal ...
  • Design and study of SPD processes; HPT and MF 

    Arrebola Bernet, Juan José (Universitat Politècnica de Catalunya, 2018-01-26)
    Master thesis
    Open Access
    This master thesis aims to model the severe plastic deformation through the HPT (High Pressure Torsion) and MDF (Multi Directional Forging) methods in order to determine the necessary external loads. These external loads, ...
  • Detección de puntos calientes en estructuras utilizando ondas guiadas 

    Romero Lozano, Jesús (Universitat Politècnica de Catalunya, 2019-05-28)
    Bachelor thesis
    Open Access
    Detección de puntos calientes en estructuras utilizando ondas guiadas.
  • Diseño de máquina para ensayo de fatiga de soldadura por puntos 

    Fernández Santos, Yago (Universitat Politècnica de Catalunya, 2015-06-09)
    Bachelor thesis
    Open Access
    Avui en dia l’industria utilitza tots els coneixements que ha adquirit durant molts anys. Un dels aspectes a tenir més en compte és el dels materials i les seves propietats mecàniques. Per això es fan esforços importants ...
  • Efecto de la variabilidad de las propiedades mecánicas de los materiales en la respuesta estructural de edificios de mampostería no reforzada 

    Gracia Madridejos, Ricardo (Universitat Politècnica de Catalunya, 2018-06-28)
    Bachelor thesis
    Open Access
    El distritode L’Eixample de Barcelona fue construido en su mayor parte entrelos años1860 y 1940. Por esta razón, la gran mayoría de estos edificios, normalmente levantados con mampostería no reforzada, ya han ...
  • Effect of the filler on the nanomechanical properties of polypropylene in contact with paraffinic phase change material 

    Giró Paloma, Jessica; Rayón Encinas, Emilio; Roa Rovira, Joan Josep; Martínez López, Monica; Fernández Renna, Ana Inés (2015-02)
    Article
    Open Access
    As the changes on the mechanical properties with depth of indentation provide valuable information that may be suitable for design purposes, nanoindentation is an adequate technique for investigating the nanomechanical ...
  • Effect of the viscosity ratio on the PLA/PA10.10 bioblends morphology and mechanical properties 

    Cailloux, Jonathan; Abt, Tobias Martin; García Masabet, Violeta del Valle; Santana Pérez, Orlando Onofre; Sánchez Soto, Miguel; Carrasco Alonso, Félix Ángel; Maspoch Rulduà, Mª Lluïsa (2018-01-30)
    Article
    Open Access
    PLA bio-blends with a predominantly biosourced PA10.10 in the composition range 10-50wt.% were prepared by melt blending in order to overcome the advanced brittleness of PLA. Due to the inherent immiscibility of the blends, ...
  • Effects of building condition on the tensile property of FFF Timberfill parts 

    Zandi, Mohammad Damous; Jerez Mesa, Ramón; Travieso Rodriguez, Jose Antonio; Llumà Fuentes, Jordi (2018)
    Conference report
    Restricted access - publisher's policy
    This paper presents a study of mechanical properties of Fused Deposition Modeling (FDM) rapid prototyping processed material Timberfill. In this study, four important process parameters such as layer thickness, density, ...