2015 fascicula9 nr3

 

Înregistrări recente

  • Deposition Technologies for Obtaining thin Films with Special Properties 

    Țugui, Cătălin-Andrei; Vizireanu, Petrică; Nejneru, Carmen; Perju, Manuela-Cristina; Axinte, Mihai; Bălțatu, Simona-Mădălina (Universitatea "Dunărea de Jos" din Galați, 2015)
    The properties of metallic materials can be improved by deposition of materials. The coating has a tear strength and better hydro-abrasive corrosion. The thin layer deposition has a thickness of less than 10 micrometers. When ...

  • Optimization of Thermal Processing Parameters of a High Strength Aluminum Alloy 

    Neacșu, Marian-Iulian; Hanganu, Doru (Universitatea "Dunărea de Jos" din Galați, 2015)
    The work shows a calculation meant to optimize the thermal processing parameters (time and temperature) of a high strength aluminum alloy. The optimization calculation has been done by gradient method which involves ...

  • Laser Deposition of Bronze Aluminum on Steel Support 

    Boiciuc, Simona (Universitatea "Dunărea de Jos" din Galați, 2015)
    In order to rise the wear and corrosion resistance of 0.45% C superficial steel layers, a multilayer coating was tested by injection of powder with 88.3% Cu; 9.5% Al; 2.2% Fe in melted bath by CO2 continuous wave laser. ...

  • Corrosion Behavior of Ni-P Coated Steel Strips 

    Istrate, Gina Genoveva; Radu, Tamara (Universitatea "Dunărea de Jos" din Galați, 2015)
    In addition to high hardness, Ni-P coatings obtained by the electroless method are widely used due to their high corrosion resistance. The corrosion resistance depends on the content of phosphorus in the coating. Various ...

  • The Protective Behaviour Titanium Nitride Coatings 

    Constantinescu, Stela (Universitatea "Dunărea de Jos" din Galați, 2015)
    The experiments conducted to obtain a thin layer of nitride through the vapour chemical deposition method have followed an original path to obtain TiN directly in the working room thus avoiding the import of these ...

  • Research on the Behaviour of the Tooth-Crown Assemblies Made of Different Metal Materials in Solutiond Simulating the Oral Environment 

    Vasilescu, Elisabeta (Universitatea "Dunărea de Jos" din Galați, 2015)
    One of the basic principles of restorative dentistry is the conservation of the hard dental structure, while satisfying both aesthetic and functional requirements. Complying with this principle will minimize the harmful ...

  • Influence of Secondary Refining Treatments on the Quality of High-Grade Steel Used in Oil and Gas Industry 

    Ciocan, Anișoara (Universitatea "Dunărea de Jos" din Galați, 2015)
    Steel is the most important alloy used in oil and gas industry from production and processing to the distribution of refined products. In this research is analyzed the production technology of steel intended for long ...

  • Influence of the Anodic Oxidation Treatment on the Corrosion Behaviour of Aluminium and Aluminium Alloyss 

    Dumitrașcu, Valentin; Benea, Lidia (Universitatea "Dunărea de Jos" din Galați, 2015)
    This paper deals with the effect of anodic oxidation treatment on the corrosion behaviour of 6061 aluminium alloy in natural sea water. Anodic oxidation treatment leads to the formation of an amorphous oxide layer on the ...

  • Alumina Influence on the Corrosion Resistance of Ni-PAl2O3 Composite Layers 

    Radu, Tamara (Universitate "Dunărea de Jos" din Galați, 2015)
    This paper aims to analyze the corrosion resistance of composite layers based on Ni-P matrix and disperse phase alumina of 10 μm size, present in amounts of 5, 10 and 20 g / L in the nickel plating bath. The influence ...

  • Corrosion Resistance of Zinc Coated Steel in sea Water Environment 

    Diaconu, Adrian; Solomon, Cătălin; Benea, Lidia; Dumitrașcu, Valentin; Mardare, Laurențiu (Universitatea "Dunărea de Jos din Galați, 2015)
    The life time of metallic materials used in naval transport industry is influenced by their corrosion resistance. For utilization in shipbuilding and offshore construction, metallic materials need to be covered with ...