Ara es mostren els items 1-20 de 40

  • Aging and structural relaxation of hyper-quenched Mg65Cu25Y10 metallic glass 

    Zhai, Fuqiang; Pineda Soler, Eloi; Ruta, Beatrice; Gonzalez Silveira, Marta; Crespo Artiaga, Daniel (2014-12-05)
    Article
    Accés obert
    The structural relaxation, glass transition and crystallization processes of Mg65Cu25Y10 metallic glass are studied by Differential Scanning Calorimetry (DSC) and Mechanical spectroscopy. The relaxation model derived from ...
  • Anti-aging in ultrastable metallic glasses 

    Lüttich, Martin; Giordano, Valentina; LeFloch, Sylvie; Pineda Soler, Eloi; Zontone, Federico; Luo, Yuansu; Samwer, Konrad; Ruta, Beatrice (2018-03-30)
    Article
    Accés obert
    As ultrastable metallic glasses (UMGs) are promising candidates to solve the stability issues of conventional metallic glasses, their study is of exceptional interest. By means of x -ray photon correlation spectroscopy, ...
  • Anti-Aging in ultrastable metallic glasses 

    Luettich, Martin; Giordano, Valentina; LeFloch, Sylvie; Pineda Soler, Eloi; Zontone, Federico; Luo, Yuansu; Samwer, Konrad; Ruta, Beatrice (2018)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    Metallic glasses (MGs) show outstanding mechanical, physical and chemical properties and so provide a whole class of materials at the cutting-edge research in metallic and glassy systems1. However, MGs suffer from aging, ...
  • Application of mechanically alloyed MnAl particles to de-colorization of azo dyes 

    AboliGhasemabadi, Mitra; Mbarek Wael, Ben; Casabella, Oriol; Roca Bisbe, Helena; Pineda Soler, Eloi; Escoda, Lluïsa; Suñol, Joan J. (2018-04-15)
    Article
    Accés restringit per política de l'editorial
    The use of metallic particles has been shown to be an effective, low-cost method for degradation of many contaminating compounds. In this work, we analyze the efficiency of MnAl metallic powders for degrading azo dyes, ...
  • Characterization of mechanical relaxation in a Cu-Zr-Al metallic glass 

    Liu, Chaoren; Pineda Soler, Eloi; Crespo Artiaga, Daniel (2015-09-15)
    Article
    Accés obert
    The temperature dependence of the relaxation times of Cu46Zr46Al8 glass was measured by means of mechanical spectroscopy and static stress-relaxation measurements. The weak intensity of secondary relaxation in this alloy ...
  • Cinètica poblacional de processos de cristal·lització i recristal·lització 

    Pineda Soler, Eloi (Universitat Politècnica de Catalunya, 2002-05-21)
    Tesi
    Accés obert
    Els materials nanocristal·lins han esdevingut darrerament un dels camps de recerca més actius en l'àrea de la Ciència de Materials. Aquest tipus de materials, caracteritzats per la presència d'estructures organitzades de ...
  • Comparing the atomic and macroscopic aging dynamics in an amorphous and partially crystalline Zr44Ti11Ni10Cu10Be25 bulk metallic glass 

    Evenson, Zach; Payes Playa, Alba; Chushkin, Y.; di Michiel, Marco; Pineda Soler, Eloi; Ruta, Beatrice (Cambridge University Press, 2017-06-14)
    Article
    Accés obert
    Several recent X-ray photon correlation spectroscopy works have reported an anomalous atomic dynamics in hyperquenched metallic glasses. Here, we compare and contrast these microscopic dynamics with that found in a ...
  • Degradation of azo dyes by rapidly solidified metallic particles 

    Mbarek Wael, Ben; Pineda Soler, Eloi; Khitouni, Mohamed; Fiol Santalo, Núria; Escoda, Lluïsa; Suñol Martinez, Juan Jose (2015)
    Comunicació de congrés
    Accés obert
    Azo compounds are one of the most common families of dyes used in textile and leather treatments. An important step during the treatment of water polluted by these compounds, is the degradation of the compounds by ...
  • 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 ...
  • Fragility and glass-forming ability of the Ca-Mg-Cu system 

    Pineda Soler, Eloi; Zhang, Yi; Greer, A. L. (Elsevier, 2007-05-31)
    Article
    Accés obert
    Elastic moduli of the glass and fragility of the corresponding supercooled liquid were found to be correlated in recently published results. In the present work, compositions within the Ca–Mg–Cu system are used to study ...
  • Fragility measurement of Pd-based metallic glass by dynamic mechanical analysis 

    Pineda Soler, Eloi; Serrano Gutiérrez, Jorge; Bruna Escuer, Pere; Crespo Artiaga, Daniel (2010-08)
    Article
    Accés restringit per política de l'editorial
    The measurement of fragility of glass-forming liquids involves either the determination of viscosity at different temperatures above the glass transition or the measurement of the dynamic glass–liquid transition by ...
  • Glass-formation and corrosion properties of Fe-Cr-Mo-C-B glassy ribbons with low Cr content 

    Madinehei, Seyed Milad; Bruna Escuer, Pere; Duarte Correa, María Jazmín; Pineda Soler, Eloi; Klemm, Julia; Renner, Frank U. (2014-12-05)
    Article
    Accés obert
    The effect of low amounts of Cr on glass forming ability and corrosion behavior of Fe(65-x)CrxMo14C15B6 (x = 0, 2, 4, 6, 8,10 at.%) ribbons have been studied. It was found that the reduced glass transition temperature ...
  • High efficiency decolorization of azo dye Reactive Black 5 by Ca-Al particles 

    Mbarek Wael, Ben; Pineda Soler, Eloi; Escoda, Lluïsa; Suñol Martinez, Juan Jose; Khitouni, Mohamed (2017-12-01)
    Article
    Accés restringit per política de l'editorial
    This work studies the degradation of azo dye Reactive Black 5 by Ca-Al metallic particles prepared by melt-spinning and ball-milling. The morphology and the phase structure of the metallic powders were characterized and ...
  • Mechanical relaxation of metallic glasses: an overview of experimental data and theoretical models 

    Liu, Chaoren; Pineda Soler, Eloi; Crespo Artiaga, Daniel (2015-06)
    Article
    Accés obert
    Relaxation phenomena in glasses are a subject of utmost interest, as they are deeply connected with their structure and dynamics. From a theoretical point of view, mechanical relaxation allows one to get insight into the ...
  • Modeling of the Sub-Tg Relaxation Spectrum of Pd42.5Ni7.5Cu30P20 Metallic Glass 

    Liu, Chaoren; Pineda Soler, Eloi; Crespo Artiaga, Daniel; Qiao, Jichao (2016-03-17)
    Article
    Accés obert
    In this work we study the mechanical relaxation spectrum of Pd42.5Ni7.5Cu30P20 metallic glass. The effect of aging on the relaxation behavior is analyzed by measuring the internal friction during consecutive heating runs. ...
  • Mòduls per l’aprenentatge experimental de sistemes electrònics de mesura i control enfocats a sistemes biològics utilitzant Programmable Systems-on-Chip 

    Serrano Finetti, Roberto Ernesto; Hornero Ocaña, Gemma; Aliau Bonet, Carles; Hernández Yáñez, Eduard; González Flor, Cristina; Llorens Calveras, Jordi; Pineda Soler, Eloi (Universitat Politècnica de Catalunya. Institut de Ciències de l'Educació, 2013-02-08)
    Text en actes de congrés / Comunicació de congrés
    Accés obert
    L’objectiu principal és l’elaboració de material de pràctiques de laboratori que permetin que els estudiants d’Enginyeria dels Sistemes Biològics utilitzin sistemes electrònics de mesura i control, amb aplicacions ...
  • On the validity of Avrami formalism in primary crystallization 

    Bruna Escuer, Pere; Crespo Artiaga, Daniel; González Cinca, Ricardo; Pineda Soler, Eloi (American Institute of Physics, 2006-09-30)
    Article
    Accés obert
    Calorimetric data of primary crystallization is usually interpreted in the framework of the Kolmogorov Dokl. Akad. Nauk SSSR 1, 355 1937 , Johnson and Mehl Trans. AIME 135, 416 1939 , and Avrami J. Chem. Phys. 7, ...
  • ORCID vist per 4 investigadors del Campus del Baix Llobregat 

    Pineda Soler, Eloi; Zola, Enrica Valeria; Pradell Cara, Trinitat; Casals, Joan; Garcia, Consol (2014-05-09)
    Audiovisual
    Accés obert
  • Phase-field modeling of microstructural evolution in primary crystallization 

    Bruna Escuer, Pere; Pineda Soler, Eloi; Rojas Gregorio, José Ignacio; Crespo Artiaga, Daniel (2014)
    Comunicació de congrés
    Accés obert
  • Phase-field modelling of microstructural evolution in primary crystallization 

    Bruna Escuer, Pere; Pineda Soler, Eloi; Crespo Artiaga, Daniel (2007)
    Article
    Accés obert
    One of the main routes to obtain nanostructured materials is through the primary crystallization of metallic glasses. In such transformations, crystallites with a different composition than the amorphous precursor grow with ...