Materials Literature
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En este trabajo se ha evaluado la resistencia a la corrosion por cloruros de un nuevo acero inoxidable duplex de bajo contenido en niquel, el AISI 2001. Se han utilizado tecnicas electroquimicas, monitorizando el potencial de corrosion y la resistencia de polarizacion (LPR) mediante tecnicas de corriente continua y me…
Son pocas las ocasiones en que se cuenta con fuentes documentales que permitan analizar las relaciones entre planificación urbana y evolución industrial de una ciudad. Sin embargo, los informes y planes publicados por la Detroit City Plan Commission tras la Segunda Guerra Mundial proporcionan la oportunidad de estudia…
The conversion of cerium oxide (CeO₂) into sodium cerium sulfate (NaCe(SO₄)₂·H₂O) in Na₂SO₄–H₂SO₄–H₂O solutions was studied at elevated temperatures using a batch-type glass reactor under atmospheric pressure. Sodium sulfate (Na₂SO₄) concentration, sulfuric acid (H₂SO₄) concentration and reaction temperature were chos…
Introduction: Astaxanthin (3,3’-dihydroxy-β-β´-carotene-4-4´-dione), a potent antioxidant, is one of the major carotenoids in crustaceans. In the frame of the project ‘Preparation of active packaging with antioxidant and antimicrobial activity based on astaxanthin and chitosan’, a methodology for the incorporation of…
At low operating temperatures, commercially available electrode materials for lithium-ion batteries do not fully meet the energy and power requirements for NASA fs exploration activities. The composite cathode under development is projected to provide the required energy and power densities at low temperatures and its…
Ziel dieses Forschungsprojektes war die Entwicklung standardisierter Korrosionspruefverfahren, mit denen die Einsatzgrenzen unterschiedlicher Stahlqualitaeten geprueft und festgelegt werden koennen. Da die Abwicklung dieses Projektes und die Erstellung des SIA Merkblattes zeitlich parallel verliefen, konnten die neuen…
Elastic and structural properties of triangular lattice antiferromagnets CuCr0₂ , CuFe0₂ , and CuCrS₂ were investigated to elucidate the role played by spin-phonon coupling in the magnetic and multiferroic properties of a large class of triangular latt ice antiferromagnets. Using Brillouin scattering, five of six elas…
The utilization of vegetable oils as a feedstock for synthesis of polyol become more desirable. In particular, polyol synthesized from epoxidized oil derived from palm oil methyl ester (EPOME). Polyol can be utilized as a raw material to produce polyurethane that has many applications especially foam. Response surface…
A novel polymeric corrosion inhibitor based lacquer was developed at CSIR-NML that can be used as a coating to prevent tarnishing of copper and its alloys for long durations. The tarnishing inhibition efficiency of the lacquer was evaluated using electrochemical, salt spray and outdoor exposure techniques. Results obt…
DÉDICACEÀ ma famille REMERCIEMENTS J'aimerais tout d'abord exprimer mes sincères remerciements à mon directeur de recherche Pr.Mario Jolicoeur pour l'opportunité qu'il m'a offerte, son aide et le temps qu'il a bien voulu me consacrer.Merci aussi à mon co-directeur de recherche Pr.Abdellah Ajji pour avoir accepté de va…
In zero energy ontology (ZEO) lattices in the 3-D hyperbolic manifold defined by H3 (t2-x2-y2-z2=a2) (and known as hyperbolic space to distinguish it from other hyperbolic manifolds emerge naturally. The interpretation of H3 as a cosmic time=constant slice of space-time of sub-critical Robertson-Walker cosmology (givi…
Introduction: Chitosan has multiple applications and as inhibitor of microbial growth, there is interest in developing new methodologies to its incorporation into plastics, which would avoid microbial growth in foods. In the frame of the project “Preparation of active packaging with antioxidant and antimicrobial activ…
Ermuedungsrisswachstum und aktive Korrosion sind die hauptsaechlichen Ursachen fuer strukturelles Versagen von Transportmitteln, wie Tankfahrzeugen auf Strasse und Schiene sowie Schiffen. Innerhalb des 7. EU-Forschungsrahmenprogramms hat das Projekt CORFAT zum Ziel, eine neue Technologie auf Grundlage der Schallemissi…
University of Minnesota Ph.D. dissertation. Ph.D. November 2012. Major:Biomedical Engineering. Advisor: Robert T. Tranquillo. 1 computer file (PDF); iv, 301 pages, appendices A-C.
The aim of this research was to investigate the photo-Friedel-Crafts acylation of napthoquinone with a variety of aldehydes using a Rayonet reactor. The long-term aim of this project was to apply this research to the synthesis of biologically active natural products such as alkannin and shikonin.\nAs a 100% atom effic…
The heavy haul bridge over the Main Southern Railway is a 22 m single span bridge designed to comply with the bridge design code AS 5100 and the operation of a fully laden 163 t CAT 777F truck. Cast in-situ special performance traffic barriers are designed for the containment of a fully laden CAT 777F truck travelling…
ABSTRACT Incentives of form factor, performance, and cost reduction are urging the integration of three-dimensional packaging of integrated circuits (3DIC) and promoting thinner substrates. To maintain this trend, new ways of rapid metrology measurement with solutions to achieve substrate bow reduction are needed. FRT…
ABSTRACT Metal-based wafer-level bonding seems well suited for hermetic wafer-level packaging at low cost. We have compared the performance of Au-Au thermocompression bonding, Al-Al thermocompression bonding, and Ti-Si bonding, applying the same test wafer design for all three processes. Device yield, bond strength, a…
ABSTRACT Silicone materials exhibit unique characteristics including chemical stability and a broad operating temperature range, allowing for preservation of mechanical properties when exposed to extreme conditions. These and other dynamic attributes of silicone help to provide multiple solutions to the complex challe…
ABSTRACT Materials of Dow Corning® brand WL-55XX Photopatternable Silicones can easily be coated onto different substrates at thicknesses ranging from 6 to 45 μm for a single coating, and patterned using standard photolithographic processes. Unique to these materials is that the required exposure dose is film thicknes…