Exploració per autor "Crespo Artiaga, Daniel"Més informacióMés informació

Ara es mostren els items 21-40 de 99

    • Corrosion resistance of crystalline and amorphous CuZr alloys in NaCl aqueous environment and effect of corrosion inhibitors 

      Xie, Chenyang; Milosev, Ingrid; Renner, Frank U.; Kokalj, Anton; Bruna Escuer, Pere; Crespo Artiaga, Daniel (2021-10-25)
      Article
      Accés obert
      CuZr alloys are the basis of a family of metallic glasses with large glass forming ability and remarkable mechanical properties. The corrosion response of prepared crystalline and amorphous CuxZr100-x alloys (x = 40, 50, ...

    • Creep deformation in metallic glasses: a global approach with strain as an indicator within transition state theory 

      Zhang, LangTing; Wang, Yun-Jiang; Nabahat, Mehran; Pineda Soler, Eloi; Yang, Yong; Pelletier, Jean Marc; Crespo Artiaga, Daniel; Qiao, Jichao (Elsevier, 2024-03-01)
      Article
      Accés restringit per política de l'editorial
      Within the framework of transition state theory, the isothermal creep behavior of metallic glasses is elucidated through a unique global approach, where the topological state is exclusively linked to measured strain. Our ...

    • 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 ...

    • Cultura, tecnologia i universitat: interaccions a la frontera del tecnohumanisme 

      Bouso, Raquel; Lafuente, Javier; Guàrdia, Joan; Crespo Artiaga, Daniel (2023-04-26)
      Audiovisual
      Accés obert
      La nova edició de Diàlegs UPCArts propicia una conversa entre les màximes autoritats de la UPF, UAB, UB i UPC per parlar de com des de la universitat s’incentiva el diàleg entre els àmbits de coneixement científic, tecnològic ...

    • Curs 0: preparació per als estudis a l’EEBE 

      Tornil Sin, Sebastián; Botey Cumella, Muriel; Alarcón Jordán, Marta; Alcaraz Sendra, Olga; Ametller Congost, Lluís; Bruna Escuer, Pere; Camps Anaya, Germinal; Carmona Mejías, Ángeles; Claverol Aguas, Mercè; Crespo Artiaga, Daniel; Pablo Ribas, Joan de; Barrio Casado, María del; Valle Mendoza, Luis Javier del; Encinas Bachiller, Andrés Marcos; Farran Marsà, Adriana; Florido Pérez, Antonio; Gámez López, Antonio; García Senz, Domingo; Gibert Agulló, Oriol; Ikhouane, Fayçal; Jiménez Jiménez, María José; José Pont, Jordi; Linares Alegret, Manuel; Lloveras Muntané, Pol Marcel; López López, José; Macovez, Roberto; Mas Blesa, Albert; Mitjana Riera, Margarida; Muñoz Romero, José; Pardo Soto, Luis Carlos; Periago Oliver, M. Cristina; Pineda Soler, Eloi; Pradell Cara, Trinitat; Ruiz Ordóñez, Magda; Sala Cladellas, Glòria; Soler Turu, Lluís; Tamarit Mur, José Luis; Vendrell Villafruela, Xavier; Zanuy Gomara, David (Universitat Politècnica de Catalunya. Institut de Ciències de l'Educació, 2022-05)
      Article
      Accés obert
      Aquest article presenta el desenvolupament i primers resultats d'ús d'un conjunt de cursos virtuals que pretenen proporcionar uns coneixements inicials bàsics de Matemàtiques, Física i !ímica als estudiants que accedeixen ...

    • Delayed elasticity of metallic glasses: Loading time and temperature dependences of the anelastic relaxation 

      Nabahat, Mehran; Amini, Narges; Pineda Soler, Eloi; Yang, Fan; Qiao, Jichao; Ruta, Beatrice; Crespo Artiaga, Daniel (American Physical Society (APS), 2022-12-09)
      Article
      Accés obert
      One of the hallmarks of disordered matter is the large amplitude of the anelastic deformation, i.e., the fraction of reversible deformation that is not instantaneously recovered after the release of load but is delayed in ...

    • Deposition of stable silver nanoparticles encapsulated in solid nanospheres from poly (vinyl)-pyrrolidone/Ag stable colloids 

      Sánchez, Marina; Popa, Mónica Mihaela; Torres Heredia, Víctor Elías; Crespo Artiaga, Daniel; Calderón Moreno, José María (2007-07)
      Text en actes de congrés
      Accés obert
      Es comunica un mètode de deposició de nanopartícules de Plata a partir de solucions coloïdals

    • Determination of wind speed and associated loads over the sports facility collapsed during the severe windstorm of 24 January 2009 in Sant Boi de Llobregat (Barcelona) 

      Mazón Bueso, Jordi; Crespo Artiaga, Daniel; Pino González, David (ACAM, 2011-06-23)
      Article
      Accés obert
      The severe windstorm of 24 January 2009, caused by an explosive cyclogenesis, affected coastal and precoastal areas of the northeast of the Iberian Peninsula, where damages were numerous and significant, both in urban areas ...

    • Domain size distribution in a Poisson-Voronoi nucleation and growth transformation. Physical Review E 

      Pineda Soler, Eloi; Garrido, Victor; Crespo Artiaga, Daniel (American Physical Society, 2007-04-30)
      Article
      Accés obert
      Random subdivisions of space originated in a nucleation and growth process are commonly observed in many scientific fields, such us metallurgy, geology, biology and ecology. One of the simplest of these processes is the ...

    • Dynamic mechanical relaxation and thermal creep of high-entropy La30Ce30Ni10Al20Co10 bulk metallic glass 

      Zhang, LangTing; Duan, Yajuan; Crespo Artiaga, Daniel; Pineda Soler, Eloi; Wang, Yun-Jiang; Pelletier, J. M.; Qiao, Jichao (2021-08-03)
      Article
      Accés obert
      Dynamic mechanical relaxation is a fundamental tool to understand the mechanical and physical properties of viscoelastic materials like glasses. Mechanical spectroscopy shows that the high-entropy bulk metallic glass ...

    • Dynamic mechanical relaxation behavior of binary metallic glasses 

      Liu, M. N.; Hao, Q.; Dong, J.; Sun, B. A.; Feng, S. D.; Crespo Artiaga, Daniel; Qiao, J. C. (2021-03-01)
      Article
      Accés obert
      Secondary ß relaxation is a fundamental issue to understand the diffusion, plasticity and glass transition behavior of metallic glasses. Binary metallic glasses provide a simple glassy system to probe the dynamic mechanical ...

    • Dynamic mechanical relaxation behavior of Zr35Hf17.5Ti5.5Al12.5Co7.5Ni12Cu10 high entropy bulk metallic glass 

      Zhang, L.T.; Duan, Y.J.; Wada, T.; Kato, Hidemi; Pelletier, J. M.; Crespo Artiaga, Daniel; Pineda Soler, Eloi; Qiao, J. C. (2021-08-30)
      Article
      Accés obert
      Non-equiatomic high entropy bulk metallic glasses were reported recently and show unique mechanical and physical properties. Dynamic mechanical relaxation behavior of Zr35Hf17.5Ti5.5Al12.5Co7.5Ni12Cu10 high entropy bulk ...

    • Dynamic mechanical relaxation in LaCe-based metallic glasses: influence of the chemical composition 

      Liu, Minna; Qiao, Jichao; Hao, Qi; Chen, Yinghong; Yao, Yao; Crespo Artiaga, Daniel; Pelletier, J. M. (Multidisciplinary Digital Publishing Institute (MDPI), 2019-09-17)
      Article
      Accés obert
      The mechanical relaxation behavior of the (La0.5Ce0.5)65Al10(CoxCu1-x)25 at% (x = 0, 0.2, 0.4, 0.6, and 0.8) metallic glasses was probed by dynamic mechanical analysis. The intensity of the secondary ß relaxation increases ...

    • Dynamic microstructural evolution of an Al–Zn–Mg–Cu alloy (7075) during continuous heating and the influence on the viscoelastic response 

      Rojas Gregorio, José Ignacio; Crespo Artiaga, Daniel (2017-11-06)
      Article
      Accés obert
      The microstructural evolution of an Al–Zn–Mg–Cu alloy under continuous heating over the temperature range of 298 to 648 K (25 to 375 °C) is characterized by focused ion beam-scanning electron microscopy, transmission ...

    • Early defect detection in aerospace parts by means of magnetic nanoparticles 

      Rojas Gregorio, José Ignacio; Crespo Artiaga, Daniel (2006-09)
      Projecte de tesi
      Accés obert
      The goal of the proposed PhD thesis is to develop an innovative NDT technique which fulfils the requirements of end-users in the form of a significant reduction of inspection costs, for a certain range of aerospace NDT ...

    • Effect of minor addition on dynamic mechanical relaxation in ZrCu-based metallic glasses 

      Cheng, Yu; Hao, Qi; Qiao, Jichao; Crespo Artiaga, Daniel; Pineda Soler, Eloi; Pelletier, J. M. (2021-02-01)
      Article
      Accés obert
      The dynamic mechanical behavior of Zr50-xCu34Ag8Al8Pdx (x = 0 and 2) bulk metallic glasses was probed by mechanical spectroscopy. The results suggest that microalloying retards the relaxation dynamics. The physical aging ...

    • Effect of temperature and frequency of dynamic loading in the viscoelastic properties of aluminium alloy 7075-T6 

      Rojas Gregorio, José Ignacio; Aguiar, Albert; Crespo Artiaga, Daniel (2011-06-24)
      Article
      Accés obert
      The viscoelastic response of a material offers an alternative method for analyzing its microstructure, phase transformations and fatigue behaviour. In this work, the viscoelastic properties of commercial aluminium alloy ...

    • Effect of temperature, loading frequency and the microstructure on the viscoelastic behavior of a novel aluminum metal matrix composite 

      Rojas Gregorio, José Ignacio; Venkata Siva, Subbarao Bathula; Sahoo, Kanai Lal; Crespo Artiaga, Daniel (2017)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      The use of metal matrix composites (MMC) has increased steadily in the last two decades. Conventional MMC are usually produced by addition of either Al2O3 or SiC particles, or their combinations, into molten pure metals ...

    • Element-Resolved Corrosion Analysis of Stainless-Type Glass-Forming Steels 

      Duarte, Maria Jazmin; Klemm, J.; Klemm, S.O.; Mayrhofer, K. J. J.; Stratmann, M.; Borodin, S.; Romero, A.H.; Madinehei, Seyed Milad; Crespo Artiaga, Daniel; Serrano, J.; Gerstl, S. S. A.; Choi, Pyuck-Pa; Raabe, D.; Renner, Frank U. (2013-07-26)
      Article
      Accés restringit per política de l'editorial
      Ultrathin passive films effectively prevent the chemical attack of stainless steel grades in corrosive environments; their stability depends on the interplay between structure and chemistry of the constituents iron, chromium, ...

    • Enhanced photoproduction of hydrogen on Pd/TiO2 prepared by mechanochemistry 

      Chen, Yufen; Soler Turu, Lluís; Armengol Profitós, Marina; Xie, Chenyang; Crespo Artiaga, Daniel; Llorca Piqué, Jordi (Elsevier, 2022-07-15)
      Article
      Accés obert
      Supported metal clusters are considered as promising cocatalysts in heterogeneous photocatalysis due to their singular geometric structures and unique reactivity. Nevertheless, to explore efficient synthetic routes that ...