Now showing items 1-7 of 7

    • A fracture mechanics approach to develop high crash resistant microstructures by press hardening 

      Casellas Padró, Daniel; Frómeta Gutiérrez, David; Lara, Antoni; Molas Busquets, Sílvia; Jonsén, Par (2017)
      Conference report
      Open Access
      Crashworthiness is a relevant engineering property for car parts. However it is not easy to measure at laboratory scale and complex impact tests have to be carried out to determine it. Crash re-sistance for high strength ...
    • Design and development of complex phase steels with improved combination of strength and stretch-flangeability 

      Graux, Alexis; Cazottes, Sophie; de Castro Mazariegos, David; San Martín Fernández, David; Capdevila Montes, Carlos; Cabrera Marrero, José M.; Molas Busquets, Sílvia; Mirkovic, Bojana; Fabregue, Damien (Multidisciplinary Digital Publishing Institute (MDPI), 2020-06)
      Open Access
      This study presents the design and development of a hot-rolled bainitic steel, presenting a good combination of strength and stretch-flangeability, for automotive applications. Ti, Nb, and Mo were added in the steel ...
    • Fracture toughness to understand stretch-flangeability and edge cracking resistance in AHSS 

      Casellas Padró, Daniel; Lara, Antoni; Frómeta Gutiérrez, David; Gutierrez Castillo, David; Molas Busquets, Sílvia; Pérez Caro, Lluís; Rehrl, Johannes; Suppan, Clemens (2016-10-20)
      Open Access
      The edge fracture is considered as a high risk for automotive parts, especially for parts made of advanced high strength steels (AHSS). The limited ductility of AHSS makes them more sensitive to the edge damage. The ...
    • Identification of fracture toughness parameters to understand the fracture resistance of advanced high strength sheet steels 

      Frómeta Gutiérrez, David; Parareda, Sergi; Lara, Antoni; Molas Busquets, Sílvia; Casellas Padró, Daniel; Jonsén, P.; Calvo Muñoz, Jessica (2020-04-15)
      Open Access
      The fracture toughness of four advanced high strength steel (AHSS) thin sheets is evaluated through different characterization methodologies, with the aim of identifying the most relevant toughness parameters to describe ...
    • Increment de la resistència al desgast en acers Maraging mitjançant tècniques de modificació superficial 

      Molas Busquets, Sílvia (Universitat Politècnica de Catalunya, 2013-07)
      Master thesis (pre-Bologna period)
      Restricted access - author's decision
      Durant els darreres anys s’ha potenciat la investigació d’acers d’alta resistència per tal de millorar la seguretat dels vehicles i reduir-ne el pes ja que al presentar majors resistències mecàniques permet disminuir ...
    • Journal of Physics: Conference Series 

      Calvo Muñoz, Jessica; Frómeta Gutiérrez, David; Molas Busquets, Sílvia; Casellas Padró, Daniel (Institute of Physics (IOP), 2017)
      Open Access
      Lightweight designs and demanding safety requirements in automotive industry are increasingly promoting the use of Advanced High Strength Steel (AHSS) sheets. Such steels present higher strength (above 800 MPa) but lower ...
    • On the correlation between fracture toughness and crash resistance of advanced high strength steels 

      Frómeta Gutiérrez, David; Lara, Antoni; Molas Busquets, Sílvia; Casellas Padró, Daniel; Rehrl, Johannes; Suppan, Clemens; Larour, Patrick; Calvo Muñoz, Jessica (2019-01-01)
      Restricted access - publisher's policy
      Automotive industry players have devoted large efforts to identify the material parameters governing the crash resistance of Advanced High Strength Steels (AHSS). Such knowledge is essential to improve impact performance ...