Ara es mostren els items 1-17 de 17

    • Analytical procedure for the design of PFRP-RC hybrid beams including shear interaction effects 

      Neagoe, Catalin Andrei; Gil Espert, Lluís (2015-11-15)
      Article
      Accés obert
      Hybrid beams made of pultruded fiber-reinforced polymer (PFRP) shapes connected to reinforced concrete (RC) slabs are regarded as novel cost-effective and structurally-efficient elements. The current study addresses the ...
    • Crystallization, phase evolution and corrosion of Fe-based metallic glasses: An atomic-scale structural and chemical characterization study 

      Duarte, Maria Jazmin; Kostka, Aleksander; Jiménez Rodríguez, José Antonio; Choi, Pyuck-Pa; Klemm, Julia; Crespo Artiaga, Daniel; Raabe, Dierk; Renner, Frank U. (2014-06-01)
      Article
      Accés restringit per política de l'editorial
      Understanding phase changes, including their formation and evolution, is critical for the performance of functional as well as structural materials. We analyze in detail microstructural and chemical transformations of the ...
    • Effect of processing and wearing on viscoelastic modeling of polylactide/wool and polyester/wool woven fabrics subjected to bursting 

      Manich Bou, Albert M.; Miguel Lopes, Rui Alberto; Dos Santos Silva, Manuel Jose; Lucas Mendes, Jose; Martí Gelabert, Meritxell; Cayuela Marín, Diana (2014-11-01)
      Article
      Accés restringit per política de l'editorial
      Polyester fibers (PET) are greatly used in textiles but depend on fossil fuel resources. Poly-(lactic acid) (PLA) is an aliphatic polyester that can be derived from 100% renewable resources. The load-extension plot of a ...
    • Effect of texturing on porosity and critical dissolution time of polyamide 6.6 multifilaments 

      Cayuela Marín, Diana; Maillo Garrido, Josefina; Morales, C; Manich Bou, Albert M. (2014-02-01)
      Article
      Accés restringit per política de l'editorial
      The anomalous behaviour of polyamide 6.6 fibres textured by false twist to different physico-chemical techniques (as the critical dissolution time, CDT), compared with those obtained in polyester fibres, was attributed to ...
    • Improving the functional properties of (K0.5Na0.5)NbO3 piezoceramics by acceptor doping 

      Vendrell Villafruela, Xavier; García García, José Eduardo; Bril, X; Ochoa Guerrero, Diego A.; Mestres, Lourdes; Dezanneau, Guillem (Elsevier, 2015-01-01)
      Article
      Accés obert
      ZrO2 and TiO2 modified lead-free (K0.5Na0.5)NbO3 (KNN) piezoelectric ceramics are prepared by a conventional solid-state reaction. The effect of acceptor doping on structural and functional properties is investigated. A ...
    • Intrinsic scatter of FRC: an alternative philosophy to estimate characteristic values 

      Pialarissi Cavalaro, Sergio Henrique; Aguado de Cea, Antonio (2015-11)
      Article
      Accés obert
      The results from small-scale laboratory tests of fibre reinforced concrete (FRC) usually show a high scatter. However, several studies indicate that the real scatter on the post-cracking response of the material reduces ...
    • Material and local buckling response of ferritic stainless steel sections 

      Bock Montero, Marina; Gardner, Leroy; Real Saladrigas, Esther (2015-04)
      Article
      Accés obert
      An investigation into the material response and local buckling behaviour of ferritic stainless steel structural cross-sections is presented in this paper. Particular attention is given to the strain hardening characteristics ...
    • Modeling the response of shoreface-connected sand ridges to sand extraction on an inner shelf 

      Nnafie, abdel; Swart, Huib E. de; Calvete Manrique, Daniel; Garnier, Roland (2014-05-01)
      Article
      Accés restringit per política de l'editorial
      Shoreface-connected sand ridges are rhythmic bedforms that occur on many storm-dominated inner shelves. The ridges span several kilometers, are a few meters high, and they evolve on a timescale of centuries. A process-based ...
    • New approach to assessing fabric drape based on the fractal dimension 

      Carrera Gallissà, Enric; Capdevila Juan, Francisco Javier; Valldeperas Morell, José; Abril, Héctor C (2015-09-01)
      Article
      Accés obert
      The usefulness of the fractal dimension of drape (D) to explain the shape of fabrics acquired when allowed to fall freely under the effect of gravity was assessed by using the box-counting method to calculate it for ...
    • New short T6 heat treatments for aluminium silicon alloys obtained by semisolid forming 

      Menargues Muñoz, Sergi; Martín Fuentes, Enrique; Baile Puig, Maria Teresa; Picas Barrachina, Josep Anton (2014-11-07)
      Article
      Accés restringit per política de l'editorial
      In this work the heat treatment response of SSM processed A356 and A357 casting alloys was analysed. The development of a new T6 heat treatment, with solution times less than 30 mm has been allowed. In this new short heat ...
    • Pull-out of textile reinforcement in concrete 

      Williams Portal, Natalie; Fernández Pérez, Ignasi; Nyholm Thrane, Lars; Lundgren, Karin (2014-11-30)
      Article
      Accés restringit per política de l'editorial
      Textile Reinforced Concrete (TRC) has emerged as a promising novel alternative offering corrosion resistance and both thinner and light-weight structures. Although TRC has been extensively researched, the formalization of ...
    • Revealing additional preference heterogeneity with an extended random parameter logit model: the case of extra virgin olive oil 

      Yangui, Ahmed; Costa Font, Montserrat; Gil Roig, José María (2014-09-01)
      Article
      Accés obert
      Methods that account for preference heterogeneity have received a significant amount of attention in recent literature. Most of them have focused on preference heterogeneity around the mean of the random parameters, which ...
    • Reversible changes induced by temperature in the spherulitic birefringence of nylon 6 9 

      Murase Fernández, Sara Keiko; Casas, Maria Teresa; Martinez, Juan Carlos; Estrany Coda, Francesc; Franco García, María Lourdes; Puiggalí Bellalta, Jordi (Elsevier, 2015-10-12)
      Article
      Accés obert
      Spherulitic morphologies of nylon 6 9 as an example of an even-odd nylon were studied by optical microscopy. A well-defined dependence on crystallization temperature was found. In particular, positively birefringent ...
    • Rheology of fresh concretes with recycled aggregates 

      Faleschini, Flora; Jiménez Fernández, Cristian Gonzalo; Barra Bizinotto, Marilda; Aponte Hernández, Diego Fernando; Vázquez Ramonich, Enric; Pellegrino, Carlo (2014-12-30)
      Article
      Accés restringit per política de l'editorial
      The most frequently used measure of rheology is the slump test, which evaluates workability. Since this value is often operator-sensitive, a more quantitative estimate can be derived in terms of fundamental physical ...
    • Role of porosity and pore architecture in the in vivo bone regeneration capacity of biodegradable glass scaffolds 

      Sanzana, Edgardo; Navarro Toro, Melba Eugenia; Ginebra Molins, Maria Pau; Planell Estany, Josep Anton; Ojeda, Alvaro; Montecinos, Hernan (2014-06-01)
      Article
      Accés restringit per política de l'editorial
      The aim of this work is to shed light on the role of porosity and pore architecture in the in vivo bone regeneration capacity of biodegradable glass scaffolds. A calcium phosphate glass in the system P2O5-CaO-Na2O-TiO2 was ...
    • The Cartridge theory: A description of the functioning of horizontal subsurface flow constructed wetlands for wastewater treatment, based on modelling results 

      Samsó Campà, Roger; García Serrano, Joan (2014-03-01)
      Article
      Accés restringit per política de l'editorial
      Despite the fact that horizontal subsurface flow constructed wetlands have been in operation for several decades now, there is still no clear understanding of some of their most basic internal functioning patterns. To fill ...
    • ZK60 alloy processed by ECAP: Microstructural, physical and mechanical characterization 

      Dimitru, F.D; Higuera Cobos, Oscar Fabián; Cabrera Marrero, José M. (2014-01-31)
      Article
      Accés restringit per política de l'editorial
      Lately, magnesium alloys have been extensively investigated through severe plastic deformation (SPD) methods in order to extend their application to structural components. In the present work, as-extruded ZK60 magnesium ...