Now showing items 25-32 of 32

    • The Mechanism of Phase Transformation to Obtain Zinc-Iron Coatings 

      Radu, Tamara; Balint, Simion; Mitoșeriu, Olga (Universitatea "Dunărea de Jos" din Galați, 2009)
      Important changes in the ratio of constitutive phases take place during heating of galvanized parts due to Zn coating layer changed into Zn-Fe alloy. The work deals with a mathematical correlation between diffusion ...
    • The Steam-Secondary Source of Energy in Metallurgy 

      Ivănescu, Lilica (Universitatea "Dunărea de Jos" din Galați, 2009)
      The paper is focused on a study of how to use the steam from recovery boilers of LD converters to produce electricity in turbine generators and heat in a heat network.
    • The temperature Effect on Severely Deformed Aluminium by High Pressure Torsion 

      Gurău, Carmela; Gurău, Gheorghe; Cănănău, Nicolae; Potecașu, Florentina; Dogaru, Victor; Fernandes, FM Braz (Universitatea "Dunărea de Jos" din Galați, 2009)
      The process of deforming materials started to attract the interest of the researchers after the development of the severe plastic deformation techniques. A number of aluminium samples were severe deformed by HPT method ...
    • Time Scales of Phisico-Chemicaly Driven Processes in Desulphurization CaO-Al2O3 Slag 

      Niță, Petre Stelian (Universitatea "Dunărea de Jos" din Galați, 2009)
      The paper is dealing with the expression of times scales associated to different physically and physico-chemically driven processes taking place on the slag side of the interface CaO-Al2O3 slags-steel, specific to the ...
    • Transparent and Conducting TIN Oxide Thin Films Deposited by Spray Pyrolysis 

      Fortunato, Elvira; Elangovan, Elamurugu; Danciu, Anca-Ionela; Tecaru, Alexandru; Mușat, Viorica (Universitatea "Dunărea de Jos" din Galați, 2009)
      The chemical spray pyrolysis technique has been one of the major techniques to deposit a wide variety of materials in thin film form, for different applications. The most important control parameters for obtaining good ...
    • Variation of Mechanical Characteristics for Thin Wall Tubes Processed in Ultrasonic Field 

      Susan, Mihai; Achiței, Cristian; Ștefanică, Roxana Gabriela; Gavrilă, Bogdan Lucian (Universitatea "Dunărea de Jos" din Galați, 2009)
      The paper presents the variation of mechanical characteristics of resistance and plasticity for thin wall tubes made of stainless steel 10TiNiCr180, processed in ultrasonic field. Decrease of mechanical characteristics ...
    • Waste Minimization by Reuse and Recycling 

      Negoiță, Daniela L.; Ion, Ion V. (Universitatea "Dunărea de Jos" din Galați, 2009)
      Recently, pollution prevention directs attention towards the elimination or reduction of undesired by- products within the production process itself before treatment. On the long term, pollution prevention through waste ...
    • X-Ray Diffraction Analysis at Ultrasonic Welding 

      Dumitrache, Constantin; Bărhălescu, Mihaela; Sabău, Adrian; Comandar, Corneliu (Universitatea "Dunărea de Jos" din Galați, 2009)
      In the article [2] the author present experimental investigations regarding of residual stress distribution in weld bead vicinity of submerged arc welded naval plates. In this way, residual stresses from vicinity of weld ...