Materials Literature
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Prédiction de l'endommagement ductile en formage de tôles minces L'objectif de ce travail est de proposer un modèle de comportement avec endommagement ductile pour la simulation des procédés de mise en forme de tôles minces qui peut bien représenter le comportement des matériaux sous des trajets de chargement complexe…
Modelisation multi-échelle des nanocomposites multiferroiques Au cours des dernières décennies, la recherche de nouveaux matériaux multiferroïques nanostructurés avec des propriétés optimisées a conduit à l'élaboration d'une grande variété de modèles théoriques et des approches de simulation. Allant des modèles ab ini…
Préparation et études des propriétés des films magnétiques nanostructures pour des applications en dispositifs magnéto-acoustiques et spintroniques Aujourd'hui, les structures basées sur les matériaux ferromagnétiques sont largement utilisées pour différentes applications: mémoires magnéto-résistives à accès non séque…
Croissance des whiskers de zinc Les whiskers, filaments métalliques qui poussent sur des surfaces métalliques, sont unproblème très important pour la fiabilité des composants électroniques. Depuis ces dernièresannées, il y a eu un regain d’intérêts industriels dans le domaine de la croissance des whiskers,principaleme…
Electroless nickel coatings are well known for their mechanical and tribological properties as well as their corrosion resistance. The 2 main kinds of electroless nickel coatings are reputed for different properties, Nickel-Phosphorous (ENP) is privileged when corrosion resistance is needed while Nickel-Boron (ENB) is…
Neste trabalho foram soldadas 4 amostras de rodas para veículos comerciais pelo processo de soldagem Tandem-MIG. Para cada amostra foram utilizados parâmetros de soldagem diferentes de modo a se obter formatos de cordão de solda distintos. O objetivo do trabalho foi avaliar a influência desses formatos de cordão de so…
Treball final de màster oficial fet en col·laboració amb Universitat Autònoma de Barcelona (UAB), Universitat de Barcelona (UB) i Institut de Ciències Fotòniques (ICFO)
Treball final de màster oficial fet en col·laboració amb Universitat Autònoma de Barcelona (UAB), Universitat de Barcelona (UB) i Institut de Ciències Fotòniques (ICFO)
This work concerns recent progress in the development of a multifunctional smart coating based on microencapsulation for the autonomous control of corrosion. Microencapsulation allows the incorporation of desired corrosion control functionalities, such as early corrosion detection and inhibition through corrosion cont…
Damage tolerance performance is critical to composite structures because surface impacts at relatively low energies may result in a significant strength loss. For certification, damage tolerance criteria require aerospace vehicles to meet design loads while containing damage at critical locations. Data from standard s…
International audience
Transition-state rate theory has generally been used to explain the temperature dependence of the flow stress of a crystal. However, the existence of a change in the flow stress during the superconducting transition indicates the presence of inertial effects in which dislocations overcome obstacles mechanically rather…
The phthalocyanines represent the most important chromophoric system developed during the 20th century. In 1928, in the manufacture of phthalimide by Scottish Dyes (later part of ICI) the formation of a blue impurity was observed in certain production batches from the reaction of phthalic anhydride with ammonia in a g…
In this chapter, the chemistry of some further chemical classes (polymethines, arylcarbonium ion colorants, dioxazines, sulfur dyes and nitro dyes) important for specific applications is discussed. The chapter includes a description of the principal structural features which characterise the particular colorant type,…
The traditional colour manufacturing industry has been consolidating its product range, with its research effort concentrated more on process and product improvement and addressing a range of environmental issues. However, there have also been exciting developments in organic colour chemistry as a result of the opport…
Measurements were made of ultrasonic attenuation and velocity in Nb specimens containing O and H. Results are explained with a three parameter delocalized bound H model. (FS)
National Security Technologies, LLC, and Sandia National Laboratories are collaborating in the development of pulsed power–driven flash x-ray radiographic sources that utilize high-intensity electron beam diodes. The RITS 6 (Radiographic Integrated Test Stand) accelerator at Sandia is used to drive a self magnetic pin…
An experimental activity was performed to observe and study the effects of graphite dispersion and deposition on thermal-hydraulic phenomena in a reactor cavity cooling system (RCCS). The small-scale RCCS experimental facility (16.5 x 16.5 x 30.4 cm) used for this activity represents half of the reactor cavity with an…
[pt] Esta dissertação teve como objetivo estudar as propriedades estruturais, mecânicas dos filmes de silício carbono nitrogenado amorfo (a-SiC:N) e a viabilidade do seu uso como camada adesiva entre filmes finos de carbono amorfo hidrogenado e aço inoxidável 316L. Os filmes de a-SiC:N foram crescidos pela técnica de…
It is my great pleasure and honor to participate in the launching of the Volume 3, issue 01 of our journal “Current Tissue Engineering”. I would like to thank and pay tribute to the hard work and dedication of the editorial board members and staff. Without them this would not be possible. Tissue engineering is a rapid…