Now showing items 1-20 of 63

  • An experimental and numerical study on the cyclic response of austenitic stainless steel 

    Marco, Mauricio Daniel de (Universitat Politècnica de Catalunya, 2018-05)
    Master thesis
    Open Access
    El trabajo consiste en el desarrollo de una campaña de ensayos en probetas de acero inoxidable austenítico sometidas a ciclos de histéresis así como el posterior análisis de resultados.
  • An experimental study on the cyclic response of austenitic stainless steel 

    Chacón Flores, Rolando Antonio; de Marco, Mauricio; Real Saladrigas, Esther; Arrayago Luquin, Itsaso (2018)
    Conference report
    Restricted access - publisher's policy
    Strain hardening is one of the key features of stainless steel for all structural applications. This property directly affects the definition of cross-sectional resistance, cross-section classification, ductility and energy ...
  • A simple physically-based Zerilli-Armstrong constitutive equation for modeling and prediction of hot deformation flow curves 

    Mirzaie, Tina; Mirzadeh, Hamed; Cabrera Marrero, José M. (2016-03)
    Article
    Open Access
    Generally, the dislocation-mechanics-based constitutive relations are applicable at high strain rates and relatively low temperatures. However, for expressing flow stress at elevated temperatures, it is required to account ...
  • Avaluació de l'efecte del laminat en l'anisotropia dels acers inoxidables dúplex mitjançant assaigs micromètrics. 

    Galindo Rodríguez, Irene (Universitat Politècnica de Catalunya, 2018-10-31)
    Bachelor thesis
    Open Access
    Durant el procés de producció dels acers inoxidables dúplex es duen a terme successives etapes de laminat que provoquen una orientació dels grans en la direcció de laminació fet que afecta directament a les propietats ...
  • Brunyit ultrasònic de peces còncaves i convexes d'acer inoxidable AISI 316L 

    Escoda Fonollosa, Jordi (Universitat Politècnica de Catalunya, 2017-06)
    Bachelor thesis
    Open Access
    El brunyit és un procés d’acabament per a peces mecanitzades de metall, consisteix en aconseguir una acabat superficial millor mitjançant una pressió constant sobre la superfície exterior d’una peça mitjançant una eina ...
  • Caracterització de l'anisotropia dels acers inoxidables dúplex mitjançant assaigs micromecànics 

    Gil López, Xavier (Universitat Politècnica de Catalunya, 2017-10-03)
    Bachelor thesis
    Open Access
    Els acers inoxidables dúplex posseeixen una microestructura bifàsica composta de ferrita i austenita, presents en proporcions similars. El seu interès industrial rau en el bon compromís entre propietats mecàniques i ...
  • Comparative study on AISI 440 and AISI 420B stainless steel for dental drill performance 

    Albertini, M.; Herrero Climent, Mariano; Lázaro, Pedro; Ríos, Jose Vicente; Gil Mur, Francisco Javier (2012-07-15)
    Article
    Restricted access - publisher's policy
    One of the most usual causes of the failure in dental implant osseointegration is the increase of the temperature above 47 °C during the drilling of the bone because it produces irreversible osteonecrosis. The result is ...
  • Comportament mecànic d'acers inoxidables austenítics metaestables 

    Vilanova García, Roger (Universitat Politècnica de Catalunya, 2014-01-08)
    Bachelor thesis
    Restricted access - author's decision
    L’acer inoxidable austenític metaestable es caracteritza per presentar transformació de fase martensítica quan se’l sotmet a deformació plàstica. Aquest fenomen permet que aquest tipus d’acers presentin un major límit ...
  • Comportamiento a fractura de aceros metaestables 

    Mateo García, Antonio Manuel; Gutierrez, D.; Lara, A.; Zapata Dederle, Ana Cristina; Rodríguez Calvillo, Pablo; Fargas Ribas, Gemma; Calvo Muñoz, Jessica; Casellas Padró, Daniel (2012)
    Article
    Open Access
  • Comportamiento estructural de vigas de acero inoxidable ferrítico frente a cargas concentradas 

    Arrayago Luquin, Itsaso (Universitat Politècnica de Catalunya, 2011-06-30)
    Minor thesis
    Open Access
    Los elementos de acero conformados en frío son muy útiles dado su elevado ratio de resistencia/peso en comparación con otros materiales estructurales. Generalmente son elementos con valores elevados en ratios como ...
  • Conformado por deformación plástica severa de aceros 

    Linares Cayo, Álvaro (Universitat Politècnica de Catalunya, 2016-10)
    Bachelor thesis
    Restricted access - author's decision
    Covenantee:  Centre Tecnològic de Manresa
    La deformación plástica severa es un método de conformado metálico por el cual se obtienen materiales de grano ultrafino a partir de estructuras con tamaño de grano mucho mayor. Hay varias técnicas dentro de la familia de ...
  • Correlation between microstructure and mechanical properties before and after reversion of metastable austenitic stainless steels 

    Fargas Ribas, Gemma; Zapata, Ana; Roa Rovira, Joan Josep; Sapezanskaia, Ina; Mateo García, Antonio Manuel (2015)
    Article
    Open Access
    Reversion treatments are a way to improve the mechanical response of metastable austenitic stainless steels by means of grain refinement. To effectively apply those treatments, the steel must be previously deformed to ...
  • Crack closure and fatigue crack growth near threshold of a metastable austenitic stainless steel 

    Martelo, D.F.; Mateo García, Antonio Manuel; Chapetti, M.D. (2015-08-01)
    Article
    Open Access
    In this paper R-ratio effects on fatigue crack growth near threshold region of a metastable austenitic stainless steel (MASS) in two different conditions, i.e. annealed and cold rolled, is investigated. The authors present ...
  • Deformation of polycrystalline TRIP stainless steel micropillars 

    Roa Rovira, Joan Josep; Wheeler, J.M.; Trifonov, T.; Fargas Ribas, Gemma; Mateo García, Antonio Manuel; Michler, J; Jiménez Piqué, Emilio (2015)
    Article
    Open Access
    The deformation mechanisms of the metastable austenite phase of a transformation induced plasticity (TRIP) stainless steel, AISI 301LN, have been investigated by compression of multicrystalline micropillars of different ...
  • Dependence of nanoindentation hardness with crystallographic orientation of austenite grains in metastable stainless steels 

    Roa Rovira, Joan Josep; Fargas Ribas, Gemma; Mateo García, Antonio Manuel; Jiménez Piqué, Emilio (2015-10-01)
    Article
    Restricted access - publisher's policy
    The mechanical behaviour of a metastable austenitic stainless steel has been studied by means of nanoindentation of individual grains. Hardness, elastic modulus and estimation of wear resistance were determined as a function ...
  • Desarrollo de aplicaciones immersivas de realidad virtual y aumentada para ensayos de estructuras de acero inoxidable 

    Claure Soliz, Ruth Fabiola (Universitat Politècnica de Catalunya, 2019-02)
    Master thesis
    Open Access
    The work consists of developing Virtual Reality (VR) and Augmented Reality applications for their usage in structural engineering laboratories. The development includes real data obtained from sensors together with the ...
  • Desarrollo de interfaces gráficas en tiempo real para ensayos de vigas de acero inoxidable 

    Fornés Christensen, Karen Cecilie (Universitat Politècnica de Catalunya, 2018-06)
    Bachelor thesis
    Open Access
    El trabajo consiste en el desarrollo computacional de interfaces visuales en tiempo real con aplicaciones a su uso en laboratorios de tecnología estructural. Se utilizan datos en abierto a partir de mediciones con sensores ...
  • Design manual for structural stainless steel 

    Afshan, Sheida; Arrayago Luquin, Itsaso; Gardner, Leroy; Gedge, Graham; Jandera, Michal; Real Saladrigas, Esther; Rossi, Barbara; Stranghoner, Natalie; Zhao, Ou (Steel Construction Institute publications, 2017)
    Book
    Restricted access - publisher's policy
    Stainless steel is used for a wide range of structural applications in aggressive environments where reliable performance over long periods with little maintenance is required. In addition, stainless steel has an attractive ...
  • Design of stainless steel continuous beams with tubular cross-sections 

    Arrayago Luquin, Itsaso; Real Saladrigas, Esther; Mirambell Arrizabalaga, Enrique (2017-11)
    Article
    Restricted access - publisher's policy
    This paper presents a comprehensive study on the application of global plastic design methods, not currently allowed in European specification provisions, to stainless steel rectangular and square hollow section continuous ...
  • Dynamic deformation of metastable austenitic stainless steels at the nanometric length scale 

    Roa Rovira, Joan Josep; Sapezanskaia, Ina; Fargas Ribas, Gemma; Kouiat, R.; Redjaïmia, Abdelkrim; Mateo García, Antonio Manuel (2018-09-17)
    Article
    Open Access
    Cyclic indentation was used to evaluate the dynamic deformation on metastable steels, particularly in an austenitic stainless steel, AISI 301LN. In this work, cyclic nanoindentation experiments were carried out and the ...