Now showing items 1-20 of 67

    • 3D printed microstructured Au/TiO2 catalyst for hydrogen photoproduction 

      Elkoro Ugarteburu, Ander; Soler Turu, Lluís; Llorca Piqué, Jordi; Casanova Hormaechea, Ignasi (Elsevier, 2019-06-25)
      Article
      Open Access
      We successfully 3D printed Au/TiO2 monoliths for photogenerating hydrogen from water/ethanol gaseous mixtures under dynamic conditions. Monolith designs were printed by additive superposition of microfilaments of titania-based ...
    • 3D printed prototype of a complex neuroblastoma for preoperative surgical planning 

      Tejo Otero, Aitor; Fenollosa i Artés, Felip; Uceda Molera, Roger; Castellví, Anna; Lustig, Pamela; Valls Esteve, Arnau; Ayats, Marta; Munuera, Josep; Buj Corral, Irene; Krauel, Lucas (Elsevier BV, 2021-06)
      Article
      Open Access
      Neuroblastoma is the most common abdominal solid tumour in childhood. Its removal implies a complex surgery that requires surgical experience due to the usual encassement of major abdominal blood vessels. Standard surgical ...
    • 3D printed soft surgical planning prototype for a biliary tract rhabdomyosarcoma 

      Tejo Otero, Aitor; Lustig, Pamela; Fenollosa i Artés, Felip; Valls, Arnau; Krauel, Lucas; Buj Corral, Irene (Elsevier, 2020-05-11)
      Article
      Restricted access - publisher's policy
      Biliary tract rhabdomyosarcoma is a soft tissue malignant musculoskeletal tumor which is located in the biliary tract. Although this tumor represents less than 1% of the total amount of childhood cancers, when localized, ...
    • 3D printing in medicine for preoperative surgical planning: a review 

      Tejo Otero, Aitor; Buj Corral, Irene; Fenollosa i Artés, Felip (2020-02-01)
      Article
      Open Access
      The aim of this paper is to review the recent evolution of additive manufacturing (AM) within the medical field of preoperative surgical planning. The discussion begins with an overview of the different techniques, pointing ...
    • 3D Printing of Inconel 718 by MEAM 

      Huyenh, Valérie (Universitat Politècnica de Catalunya, 2021-02-08)
      Master thesis
      Open Access
      La fabricación aditiva es una técnica de fabricación en plena expansión. Sin embargo, la técnica de modelado de deposición fundida no está muy desarrollada para los metales. El objetivo de este proyecto es encontrar el ...
    • 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
      Open Access
      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 ...
    • A submillimeter wave parabolic reflector by additive manufacturing 

      Romeu Robert, Jordi; Aguasca Solé, Alberto; Blanch Boris, Sebastián; O'Callaghan Castellà, Juan Manuel; Jofre Roca, Lluís; Buitrago Ventura, Santiago (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Conference report
      Restricted access - publisher's policy
      The manufacturing of prototype of an offset parabolic reflector to operate at 120 GHz is presented. The paper describes the different metallization options to achieve a good performance.
    • Additive manufacturing and supply chain configuration: Modelling and performance evaluation 

      Rinaldi, Marta; Caterino, Mario; Macchiaroli, Roberto (OmniaScience, 2022)
      Article
      Open Access
      Purpose: the aim of the study is to compare the performance of different supply chain configurations adopting Additive Manufacturing. Five input factors have been varied with the aim of testing the response of the supply ...
    • Ammonia decomposition over 3D-printed CeO2 structures loaded with Ni 

      Lucentini, Ilaria; Serrano Carreño, M. Isabel; Soler Turu, Lluís; Jiménez Divins, Nuria; Llorca Piqué, Jordi (2020-02-05)
      Article
      Open Access
      Binder-free ceria pastes have been formulated and used to prepare ceria structures with a woodpile arrangement of microchannels through 3D printing. After loading them with nickel, these catalytic structures have been ...
    • 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
      Restricted access - publisher's policy
      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 ...
    • Analysis of am parameters on surface roughness obtained in pla parts printed with fff technology 

      Buj Corral, Irene; Sánchez Casas, Xavier; Luis Pérez, Carmelo Javier (Multidisciplinary Digital Publishing Institute (MDPI), 2021-07-02)
      Article
      Open Access
      Fused filament fabrication (FFF) 3D printing technology allows very complex parts to be obtained at a relatively low cost and in reduced manufacturing times. In the present work, the effect of main 3D printing parameters ...
    • Analysis of the Compression Behaviour of Reinforced Photocurable Materials Used in Additive Manufacturing Processes Based on a Mask Image Projection System 

      Bonada Bo, Jordi; Barcelona Pons, Pol; Casafont Ribera, Miguel; Pons Poblet, Josep Maria; Padilla, Jose Antonio; Xuriguera Martin, Elena (Multidisciplinary Digital Publishing Institute (MDPI), 2021-08-16)
      Article
      Open Access
      Mask image projection based on stereolithography is an additive manufactured technology based on a Frontal Photopolymerization Process. Therefore, photocurable resins are used to build-up parts layer by layer. In this ...
    • Assessment of the potential economic impact of the use of AM technologies in the cost levels of manufacturing and stocking of spare part products 

      Minguella Canela, Joaquim; Morales Planas, Sergio; Gomà Ayats, Joan Ramon; Santos López, M. Antonia de los (Multidisciplinary Digital Publishing Institute (MDPI), 2018-08-14)
      Article
      Open Access
      Additive manufacturing (AM) technologies are appropriate manufacturing technologies to produce low rotation products of high added value. Products in the spare parts business usually have discontinuous demand levels of ...
    • Biological responses of ceramic bone spacers produced by green processing of additively manufactured thin meshes 

      Minguella Canela, Joaquim; Calero, José Antonio; Korkusuz, Feza; Korkusuz, Petek; Kankiliç, Berna; Bilgiç, Elif; Santos López, M. Antonia de los (Multidisciplinary Digital Publishing Institute (MDPI), 2020-05-30)
      Article
      Open Access
      Bone spacers are exclusively used for replacing the tissue after trauma and/or diseases. Ceramic materials bring positive opportunities to enhance greater osteointegration and performance of implants, yet processing of ...
    • Burnishing of AM materials to obtain high performance part surfaces 

      Sanguedolce, Michela; Rotella, Giovanna; Saffioti, Maria Rosaria; Filice, Luigino (OmniaScience, 2022)
      Article
      Open Access
      Purpose: This paper aims to provide a flexible solution to include additive manufacturing into a process chain complying with Industry 4.0 pillars, overcoming major drawbacks in terms of reliability and experimental effort. ...
    • Characterization of 3d printed yttria-stabilized zirconia parts for use in prostheses 

      Buj Corral, Irene; VIDAL, DANIEL; Tejo Otero, Aitor; Padilla, Jose Antonio; Xuriguera, Elena; Fenollosa i Artés, Felip (2021-11-03)
      Article
      Open Access
      The main aim of the present paper is to study and analyze surface roughness, shrinkage, porosity, and mechanical strength of dense yttria-stabilized zirconia (YSZ) samples obtained by means of the extrusion printing ...
    • Compositionally-tailored steel-based materials manufactured by electron beam melting using blended pre-alloyed powders 

      Koptyug, Andrey; Popov Jr., Vladimir V.; Botero Vega, Carlos Alberto; Jiménez Piqué, Emilio (2020-01-13)
      Article
      Open Access
      The paper presents the prospects of additive manufacturing (AM) in metal, using the powder bed fusion (PBF) method Electron Beam Melting (EBM) in fabrication specific steel-based alloys for different applications. The ...
    • Creació de material didàctic dirigit a l'educació infantil a partir de la fabricació additiva amb impressió 3D 

      Casellas Dalmases, Nil (Universitat Politècnica de Catalunya, 2021-07-06)
      Bachelor thesis
      Restricted access - author's decision
      Covenantee:   Timiprint / Fundació Escola Mowgli
      Tot i la revolució i l'evolució de la impressora 3D d'escriptori a partir del 2009, encara és considerada una eina d'uns pocs entre el públic general. Molts centres encara no l’utilitzen o només la fan servir a l’assignatura ...
    • DemoCell d’impressió 3D 

      Urpí López, Jordi (Universitat Politècnica de Catalunya, 2021-02-04)
      Bachelor thesis
      Restricted access - author's decision
      En aquest projecte s’ha desenvolupat una aplicació d’impressió 3D mitjançant un braç robòtic. Es tracta d’una aplicació totalment automatitzada i preparada per imprimir. A partir de la realització d’aquest projecte, es ...
    • Design and optimization of a rocket structure following the requirements for the European Rocketry Challenge (EUROC) to be fabricated using additive manufacturing 

      Grau Rifà, Jordi (Universitat Politècnica de Catalunya, 2021-07-14)
      Master thesis
      Restricted access - author's decision
      In this report a comprehensive explanation of the development of the final master’s thesis Design and optimization of a rocket structure following the requirements for the European Rocketry Challenge (EUROC) to be fabricated ...