Exploració per tema "Àrees temàtiques de la UPC::Enginyeria dels materials::Metal·lúrgia"

Ara es mostren els items 1-20 de 359

    • {111} tilt grain boundaries as barriers for slip transfer in bcc Fe 

      Kvashin, Nikolai; Anento Moreno, Napoleón; Terentyev, Dimitry; Serra Tort, Ana María (2022-02)
      Article
      Accés obert
      We have studied the interaction of an individual dislocation and a pile-up of dislocations with {111} tilt grain boundary in iron by means of atomistic simulations. The {111} tilt grain boundary, under externally applied ...

    • A multi-phase-field simulation of carbon steel under actual conditions of a hot rolling process 

      Kihara, Mireia; Sano, Mitsuhiko; Ohara, Kazuhiro (CIMNE, 2015)
      Comunicació de congrés
      Accés obert

    • A plasticity model for simulation of industrial powder compaction processes 

      Oliver Olivella, Xavier; Oller Martínez, Sergio Horacio; Cante Terán, Juan Carlos (1996-08)
      Article
      Accés restringit per política de l'editorial
      A constitutive model, based on large strain plasticity, for simulation of industrial powder compaction processes is presented. The elastic response is stated in terms of a hyperelastic model based on a hookean elastic free ...

    • A review of the constitutive modelling of metals and alloys in machining process 

      Bakhshan, Hadi; Oñate Ibáñez de Navarra, Eugenio; Carbonell Puigbó, Josep Maria (Springer, 2023-11)
      Article
      Accés obert
      Conventional machining still represents a predominant manufacturing process for the production of metal parts. During the last few decades, extensive research has been conducted to develop predictive models to capture ...

    • A robust and scalable unfitted adaptive finite element framework for nonlinear solid mechanics 

      Badia, Santiago; Caicedo Silva, Manuel Alejandro; Martín, Alberto F.; Principe, Ricardo Javier (2021-12)
      Article
      Accés obert
      In this work, we bridge standard Adaptive Mesh Refinement and coarsening (AMR) on scalable octree background meshes and robust unfitted Finite Element (FE) formulations for the automatic and efficient solution of large-scale ...

    • A robust approach to model densification and crack formation in powder compaction processes 

      Hernández Ortega, Joaquín Alberto; Oliver Olivella, Xavier; Cante Terán, Juan Carlos; Weyler Pérez, Rafael (Wiley and Sons, 2011-08-26)
      Article
      Accés restringit per política de l'editorial
      This paper deals with the question of how to efficiently integrate a constitutive model that describes the densification of powders and the potential formation of cracks in Powder Metallurgy (P/M) cold compaction processes. ...

    • A scalable parallel finite element framework for growing geometries: application to metal additive manufacturing 

      Miranda Neiva, Eric; Badia, Santiago; Martín Huertas, Alberto Francisco; Chiumenti, Michele (John Wiley & sons, 2019-09)
      Article
      Accés obert
      This work introduces an innovative parallel, fully-distributed finite element framework for growing geometries and its application to metal additive manufacturing. It is well-known that virtual part design and qualification ...

    • Aleaciones ligeras 

      Aparicio Bádenas, Conrado José; Manero Planella, José María; Rodríguez Rius, Daniel; Andres Doménech, Alberto; Arandés, Pep Miquel; Planell Estany, Josep Anton (Edicions UPC, 2001)
      Llibre
      Accés restringit a la comunitat UPC
      El presente libro trata de presentar en cinco temas la metalurgia de las aleaciones ligeras. En los tres primeros se tratan el aluminio, el titanio y el magnesio y sus aleaciones. En cada uno de ellos se hace referencia a ...

    • Alendronate and etidronate do not regulate interleukin 6 and 11 synthesis in normal human osteoblasts in culture 

      Engel López, Elisabeth; Serrano, Sergi; Mariñoso, Maria Lluïsa; Lloreta, Josep; Ulloa, Fausto; Nogués, Xavier; Díez-Pérez, Adolfo; Carbonell, Jordi (2003)
      Article
      Accés obert
      Bisphosphonates exert a potent inhibitory effect on bone resorption. Several studies have been performed, with contradictory results, to ascertain whether the effect of bisphosphonates on osteoclasts could be produced, ...

    • Alternativas de reciclaje de un parachoques pintado 

      Mengual González, Elisabet (Universitat Politècnica de Catalunya, 2009-11)
      Projecte/Treball Final de Carrera
      Accés obert
      Hoy en día es imprescindible buscar alternativas para minimizar el impacto medioambiental derivado de la contaminación tanto a niveles atmosféricos (emisiones elevadas de CO2) como a nivel de suelo y de aguas residuales ...

    • An adaptive Finite Element strategy for the numerical simulation of additive manufacturing processes 

      Baiges Aznar, Joan; Chiumenti, Michele; Filho, Carlos Augusto Moreira; Cervera Ruiz, Miguel; Codina, Ramon (Elsevier, 2021-01)
      Article
      Accés obert
      In this work an adaptive Finite Element strategy to deal with the numerical simulation of Additive Manufacturing (AM) processes is presented. The Selective Laser Melting (SLM) is chosen as the reference technology because ...

    • An ultra-fast annealing treatment by electropulsing during pure copper wire drawing 

      González Rojas, Hernán Alberto; Sánchez Egea, Antonio José; Hameed, Saqib; Bolmaro, Raúl (Multidisciplinary Digital Publishing Institute (MDPI), 2019-11-23)
      Article
      Accés obert
      The influence of electropulses in situ on the drawing process of copper wires was investigated with the aim of avoiding time consuming annealing thermal treatments. It was found that with the application of electropulses, ...

    • Analysis of camber formation, suppression and control in hot rolling of wedge-shaped slabs by utilizing fem and analytical concepts 

      Kainz, Alexander; Pumhössel, Thomas; Kurz, Matthias; Schiefermueller, Andreas; Zeman, Klaus (CIMNE, 2015)
      Comunicació de congrés
      Accés obert
      Reducing wedge without generating camber is still a big challenge for today’s process automation systems for hot strip mills. Therefore, detailed transient 3D-models of the underlying severely asymmetric flat hot rolling ...

    • Analysis of copper effect on microstructures and mechanical properties in microalloyed steels 

      Elwazri, A. M.; Fatehi, A.; Calvo Muñoz, Jessica; Bai, D.; Yue, S. (2008)
      Article
      Accés restringit per política de l'editorial
      The microstructure and mechanical properties under cool deformation conditions was investigated for three steels of approximately 0.03% carbon with different alloying additions of niobium and copper. Compression testing ...

    • Analysis of the part distortions for inconel 718 SLM: a case study on the NIST test artifact 

      Martínez, Silvia; Ortega, Naiara; Celentano, Diego Javier; Sánchez Egea, Antonio José; Ukar, Eneko; Lamikiz, Aitzol (Multidisciplinary Digital Publishing Institute (MDPI), 2020-11-11)
      Article
      Accés obert
      The present paper evaluates the misalignment and geometry distortion of the standard National Institute of Standards and Technology (NIST) test artifact in Inconel 718 alloy, when several layers with and without supports ...

    • Analysis of thermomechanical behavior of mold for continuous casting of steel in function of the copper alloy 

      Deglin, Anne-Charlotte (Universitat Politècnica de Catalunya, 2012-09)
      Projecte Final de Màster Oficial
      Accés restringit per decisió de l'autor
      The mold is one of the most important components of the continuous casting machine since the mold controls the shape and initial solidification of the steel product, where quality is either created or lost. During casting, ...

    • Anàlisi numèrica de l'assaig a tracció de dues xapes d'acer unides mitjançant cargols 

      Cartanyà Salvat, Mònica (Universitat Politècnica de Catalunya, 2005-10)
      Projecte/Treball Final de Carrera
      Accés obert
      Aquest projecte estudia com establir un model tridimensional d’elements finits que permeti predir la resistència d’una unió a tallant cargolada entre dues xapes d’acer de petit gruix; d’estructura similar a les que podem ...

    • Anàlisis y descripció d’una línia de producció de vidres laterals de cotxe i estudi de millor del procés de tremp 

      Font Gras, Jaume (Universitat Politècnica de Catalunya, 2009-09)
      Projecte/Treball Final de Carrera
      Accés restringit per decisió de l'autor
      El proyecto, que se presenta a continuación, se ha realizado en la empresa multinacional francesa SAINT-GOBAIN SEKURIT dedicada a la manufactura, serigrafía, conformado y temple del vidrio para lunas de automóvil. El ...

    • Análisis del comportamiento del aluminio en un proceso de laminación en frío 

      Carvajal Gómez, Marcos (Universitat Politècnica de Catalunya, 2015-06-10)
      Treball Final de Grau
      Accés restringit per decisió de l'autor
      Realitzat a/amb:   Vicente Torns
      Este es un proyecto con una importante base industrial de proceso puramente experimental en el que se analizara el proceso de producción de Vicente Torns SAU para la fabricación de pletinas de Aluminio con requisitos ...

    • Análisis microestructural de un acero inoxidable TRIP tratado térmicamente 

      Legat, Emeric (Universitat Politècnica de Catalunya, 2015-02)
      Projecte/Treball Final de Carrera
      Accés obert
      Los aceros metaestables son aquellos que pueden experimentar una transformación de fase inducida por esfuerzo o deformación. Son ampliamente utilizados en la industria, especialmente el campo de la automoción porque presentan ...