Exploració per tema "Titani -- Aliatges"

Ara es mostren els items 21-40 de 76

    • Evaluation of the bulk and alpha-case layer properties in Ti-6Al-4V at micro- and nano-metric length scale 

      Sefer, Birhan; Roa Rovira, Joan Josep; Mateo García, Antonio Manuel; Pederson, Robert; Antti, Marta-Lena (WILEY, 2016)
      Capítol de llibre
      Accés restringit per política de l'editorial
      In the present study the hardness of individual alpha ( )-Ti grains in Ti-6Al-4V was measured by nanoindentation using Berkovich tip indenter. Additionally, alpha-case layer was induced by performing isothermal heat ...

    • Experimental correlation of mechanical properties of the Ti-6Al-4V alloy at different length scales 

      Tuninetti, Víctor; Jaramillo, Andrés F.; Riu Perdrix, Guiomar; Mateo García, Antonio Manuel; Roa Rovira, Joan Josep (Multidisciplinary Digital Publishing Institute (MDPI), 2021-01-07)
      Article
      Accés obert
      This article focuses on a systematic study of a Ti-6Al-4V alloy in order to extensively characterize the main mechanical properties at the macro-, micro- and submicrometric length scale under different stress fields. ...

    • Finite element analysis and experimental validation of the thermomechanical behavior in laser solid forming of Ti-6Al-4V 

      Lu, Xufei; Lin, Xin; Chiumenti, Michele; Cervera Ruiz, Miguel (Elsevier, 2018-05)
      Article
      Accés obert
      A three-dimensional (3D) thermomechanical coupled model for Laser Solid Forming (LSF) of Ti-6Al-4V alloy has been calibrated through experiments of 40-layers metal deposition using different scanning strategies. The ...

    • Fractura y fatiga por contacto de recubrimientos de vidrio sobre Ti6Al4V para aplicaciones biomédicas 

      Pavón Palacio, Juan José (Universitat Politècnica de Catalunya, 2006-11-08)
      Tesi
      Accés obert
      La aleación Ti6Al4V es el biomaterial más utilizado para el reemplazo de tejidos duros, debido a su alta biocompatibilidad y a sus propiedades mecánicas. Sin embargo, al ser bioinerte no se une directamente con el hueso. ...

    • Functionalization of 3D-printed titanium scaffolds with elastin-like recombinamers to improve cell colonization and osteoinduction 

      Guillem Martí, Jordi; Vidal Girona, Elia; Girotti, Alessandra; Heras Parets, Aina; Torres Garrido, Diego; Arias Vallejo, Francisco Javier; Ginebra Molins, Maria Pau; Rodriguez Cabello, Jose Carlos; Manero Planella, José María (2023-03-08)
      Article
      Accés obert
      Realitzat a/amb:   Universidad de Valladolid / Consejo Superior de Investigaciones Científicas / Institut de Bioenginyeria de Catalunya
      The 3D printing of titanium (Ti) offers countless possibilities for the development of personalized implants with suitable mechanical properties for different medical applications. However, the poor bioactivity of Ti is ...

    • Functionalization of a Ti-based alloy with synthesized recombinant fibronectin fragments to improve cellular response 

      Herranz Díez, Carolina (Universitat Politècnica de Catalunya, 2014-07-22)
      Tesi
      Accés obert
      According to a study of the European Commission, approximately one million hips are replaced by prostheses worldwide every year. The interaction of the human body with foreign materials that are subjected to alternating ...

    • Guide for recommended practices to perform crack tip opening displacement tests in high strength low alloy steels 

      Ávila Díaz, Julián Arnaldo; Lima, Vinicius; Ruchert, Cassius; Mei, Paulo; Ramirez Ordoñez, Antonio (2016-09)
      Article
      Accés obert
      Fracture mechanics approach is important for all mechanical and civil projects that might involve cracks in metallic materials, and especially for those using welding as a structural joining process. This methodology can ...

    • Heterogeneity of strain path, texture and microstructure evolution of AA6063-T6 processed by Equal Channel Angular Sheet Extrusion (ECASE) 

      Muñoz Bolaños, Jairo Alberto; Avalos, Martina Cecilia; Bolmaro, Raúl (2018-11)
      Article
      Accés obert
      An Aluminum alloy 6063T6 was processed at room temperature by Equal Channel Angular Sheet Extrusion (ECASE). Microstructure evolution was investigated by Electron Back Scattering Diffraction (EBSD), and X-ray diffraction ...

    • In situ high-energy synchrotron X-ray diffraction reveals the role of texture on the activation of slip and twinning during deformation of laser powder bed fusion Ti–6Al–4V 

      Vallejos, Juan Manuel; Barriobero Vila, Pere; Gussone, Joachim; Haubrich, Jan; Kelm, Klemens; Stark, A; Schell, N.; Requena, Guillermo (2021-11)
      Article
      Accés obert
      The deformation behavior of Ti–6Al–4V processed by laser powder bed fusion (LPBF) is investigated by in situ high-energy synchrotron X-ray diffraction (HEXRD) during uniaxial compression. The initial microstructure of the ...

    • In situ measurements and thermo-mechanical simulation of Ti–6Al–4V laser solid forming processes 

      Lu, Xufei; Lin, Xin; Chiumenti, Michele; Cervera Ruiz, Miguel; Hu, Yunlong; Ji, Xianglin; Ma, Liang; Huang, Weidong (2019-04)
      Article
      Accés obert
      Residual stresses and distortions are two technical obstacles for popularizing the additive manufacturing (AM) technology. The evolution of the stresses in AM components during the thermal cycles of the metal depositing ...

    • In-situ investigation of phase transformations in ultra-fine grained Ti15Mo alloy 

      Bartha, Kristína; Stráský, Josef; Barriobero Vila, Pere; Šmilauerová, Jana; Vesely, Jozef; Semenova, Irina; Polyakova, Veronika; Janecek, Miloš (2021-06)
      Article
      Accés obert
      A metastable ß solution treated Ti15Mo alloy was deformed by high pressure torsion (HPT) resulting in a severely deformed microstructure with high density of lattice defects. In order to gain insight into the kinetics of ...

    • In-situ laser directed energy deposition of biomedical ti-nb and ti-zr-nb alloys from elemental powders 

      Arias González, Felipe; Rodríguez Contreras, Alejandra María; Punset Fuste, Miquel; Manero Planella, José María; Barro Guizán, Óscar; Fernández Arias, M.; Lusquiños Rodriguez, Fernando; Gil Mur, Javier; Pou, Juan (Multidisciplinary Digital Publishing Institute (MDPI), 2021-08-01)
      Article
      Accés obert
      Realitzat a/amb:   Universitat Internacional de Catalunya / Institut de Recerca Sant Joan de Déu / Universidade de Vigo
      In order to achieve the required properties of titanium implants, more resources and research are needed to turn into reality the dream of developing the perfect implant material. The objective of this study was to evaluate ...

    • In-situ monitoring of phase transformation in Ti-6Al-6V-2Sn using laser ultrasonics 

      Hinterlechner, Irina; Barriobero Vila, Pere; Reitinger, Bernhard; Fromherz, Thomas; Requena, Guillermo; Burgholzer, Peter (2018-04-03)
      Article
      Accés obert
      Titanium is of great interest for metal processing industries due to its superior material properties, but it is also quite expensive. Therefore, a detailed knowledge of phase transformation and consequential the distribution ...

    • In-vitro response of pre-osteoblastic MG63 cells on Ni-free Ti shape memory substrates 

      Arciniegas Angarita, Milena Patricia; Peña Andrés, Francisco Javier; Gil Mur, Francisco Javier; Manero Planella, José María (2013)
      Article
      Accés restringit per política de l'editorial
      Ni-free Ti alloys are a potential strategy to overcome the risk of Ni-adverse reactions and rigidity mismatch for implant materials. Here, we report the biological behavior induced for two promising candidate alloys—Ti19.1Nb8.8Zr ...

    • Inducing stable a + ß microstructures during selective laser melting of Ti-6Al-4V using intensified intrinsic heat treatments 

      Barriobero Vila, Pere; Gussone, Joachim; Gussone, Joachim; Haubrich, Jan; Sandlöbes, Stefanie; Da Silva, Julio Cesar; Cloetens, Peter; Schell, Norbert; Requena, Guillermo (Multidisciplinary Digital Publishing Institute (MDPI), 2017-03-07)
      Article
      Accés obert
      Selective laser melting is a promising powder-bed-based additive manufacturing technique for titanium alloys: near net-shaped metallic components can be produced with high resource-efficiency and cost savings. For the most ...

    • Influence of aluminum and copper on mechanical properties of biocompatible Ti-Mo alloys: a simulation-based investigation 

      Ashkani, Omid; Tavighi, Mohammad Reza; Karamimoghadam, Mojtaba; Moradi, Mahmoud; Bodaghi, Mahdi; Rezayat, Mohammad (Multidisciplinary Digital Publishing Institute (MDPI), 2023-05-20)
      Article
      Accés obert
      The use of titanium and titanium-based alloys in the human body due to their resistance to corrosion, implant ology and dentistry has led to significant progress in promoting new technologies. Regarding their excellent ...

    • Influence of cold work in the elastic modulus of the Ti-16.2Hf-24.8Nb-1Zr alloy characterized by instrumented nanoindentation 

      González Colominas, Marta; Peña Andrés, Francisco Javier; Manero Planella, José María; Gil Mur, Francisco Javier (2010)
      Article
      Accés restringit per política de l'editorial
      Nowadays, β type Ti-based alloys have been developed for load transfer clinical applications due to their superelasticity, shape memory effect, low elastic modulus and high damping capacity [1]. These properties promote ...

    • Influence of the elastic modulus on the osseointegration of dental implants 

      Brizuela Velasco, Aritza; Herrero Climent, Mariano; Ríos Carrasco, Elisa; Rios Santos, Jose Vicente; Pérez Antoñanzas, Román; Manero Planella, José María; Gil Mur, Francisco Javier (Multidisciplinary Digital Publishing Institute (MDPI), 2019-01-01)
      Article
      Accés obert
      Realitzat a/amb:   Universidad de Oviedo / Universidad de Sevilla / Universitat Internacional de Catalunya
      The load transfer from metallic prosthesis to tissue plays an important role in the success of a designed device. From a mechanical behavior point of view, the load transfer will be favored when the elastic modulus between ...

    • Laser-deposited beta type Ti-42Nb alloy with anisotropic mechanical properties for pioneering biomedical implants with a very low elastic modulus 

      Arias González, Felipe; Rodríguez Contreras, Alejandra María; Punset Fuste, Miquel; Manero Planella, José María; Barro Guizán, Óscar; Fernández Arias, M.; Lusquiños Rodriguez, Fernando; Gil, Javier; Pou, Juan (Multidisciplinary Digital Publishing Institute (MDPI), 2022-10-01)
      Article
      Accés obert
      Realitzat a/amb:   Universidade de Vigo / Institut de Recerca Sant Joan de Déu / Instituto de Investigación Sanitaria Galicia Sur / Universitat Internacional de Catalunya. Facultat d'Odontologia
      Present commercial titanium alloy implants have an elastic modulus higher than 100 GPa, whereas that of the cortical bone is much smaller (17–28 GPa). This elastic modulus mismatch produces a stress shielding effect and ...

    • Low modulus Ti-Nb-Hf alloy for biomedical applications 

      González Colominas, Marta; Peña Andrés, Javier; Gil Mur, Francisco Javier; Manero Planella, José María (2014-09-01)
      Article
      Accés restringit per política de l'editorial
      beta-Type titanium alloys with a low elastic modulus are a potential strategy to reduce stress shielding effect and to enhance bone remodeling in implants used to substitute failed hard tissue. For biomaterial application, ...