2012 fascicula9 nr1

 

Înregistrări recente

  • Aluminum Foams with Closed Pores Obtained by Casting Techniques 

    Geamăn, Virgil; Pop, Mihai Alin; Jiman, Vasile (Universitatea 'Dunărea de Jos" din Galați, 2012)
    Techniques for the preparation of metallic foams, including casting, powder metallurgy and metallic deposition, have been reviewed. There is a present interest in the development of materials capable of plastic deforming ...

  • Selective Growth of 1D Nanostructured Oxide Materials Using PDMS Stamp 

    Danciu, Anca-Ionela; Mușat, Viorica; Busani, Tito; Gonçalves, Alexandra; Pinto, Joana V.; Costa, Mafalda; Bernacka-Wojcik, Iwona; Martines, Rodrigo; Fortunato, Elvira (Universitatea "Dunărea de Jos" din Galați, 2012)
    The approach for selective growth of 1D nanostructured oxide materials using poly (dimethylsiloxane) (PDMS) stamp consists of using microcontact printing, as such the soft lithography technique, for transferring the ...

  • Aspects Regarding the Tradition of Bell Manufacture and USE 

    Carcea, Ioan; Bălțătescu, Oana; Floarea, Raluca-Maria (Universitatea "Dunărea de Jos" din Galați, 2012)
    The paper presents the casting art of bells, their spiritual significance, as well as their evolution over time. The bells may be made of both metallic or/and nonmetallic materials, of various shapes and sizes. While ...

  • Influence of Normale Loads on Corrosion Behaviour of Ti-6Al-4V Alloy During Fretting in Artificial Saliva 

    Mardare, Eliza; Benea, Lidia; Celis, Jean-Pierre (Universal "Dunărea de Jos" din Galați, 2012)
    The fretting corrosion behaviour of untreated Ti-6Al-4V alloy in artificial saliva solution was evaluated based on the change in open circuit potential (OCP) measured as a function of time. Fretting corrosion experiments ...

  • Vibrations and Torque Monitoring Processes for a Cold Rolling Mill 

    Dragomir, Ştefan; Diaconu, Nicolae; Bordei, Marian (Universitatea "Dunărea de Jos" din Galaţi, 2012)
    This paper presents researches made on a system of monitoring and other parallel systems for diagnose used in a cold rolling mill. The first system (with specific measurement sensors) is an online vibration monitoring ...

  • Characterisation of CVD Niobium Carbine Coatings on Hard Carbide Substrate 

    Constantinescu, Stela; Vlad, Maria; Radu, Tamara (Universitatea "Dunărea de Jos" din Galaţi, 2012)
    Hard coatings are often used for mechanical properties such as wear and friction resistance. The corrosion behaviour may also be an important criterion for industrial applications of these coatings. In this paper, the ...

  • Obtaining and Characterizing TIN-LEAD Coatings on Steel Band 

    Radu, Tamara; Ciocan, Anişoara; Vlad, Maria (Universitatea "Dunărea de Jos" din Galaţi, 2012)
    The experimental research was at the basis of the hot immersion coating technology with Sn-Pb alloy of the steel bands presented in the study. The characterization of these layers was achieved through microscopic analyses ...

  • Composition of Syngas Produced by Gasification of Agricultural Residue Briquettes 

    Tasma, Daniela; Panait, Tănase; Uzuneanu, Krisztina; Mocanu, Cătălin; Buţurcă, Raluca-Cristina (Univesitatea "Dunărea de Jos" din Galaţi, 2012)
    This paper summarizes the results of an experimental study on the gasification of briquettes made from different agricultural residues. There were investigated the effects of operating parameters such as temperature and ...

  • Integrated Analytical Study for the Somes Metalic Artefact Discoveri in IBIDA SITE, Romania 

    Vasilache, Viorica; Aparaschivei, Dan; Sandu, Ion; Vasilache, Violeta; Sandu, Ioan Gabriel (Universitatea "Dunărea de Jos" din Galați, 2012)
    The paper presents the results of the analyses conducted using the SEM-EDX and micro-FTIR co-assisted techniques, on several metallic artefacts unearthed during the excavations at the (L)Ibida archaeological site in Slava ...

  • Modern approaches in Design Optimization of Parts and the Development Trend of Surface Treatments 

    Vasilescu, Elisabeta; Doniga, Ana (Universitatea 'Dunărea de Jos"din Galați, 2012)
    This paper summarizes the surface engineering technologies having a substantial contribution to increasing operational performance of the parts as well as current trends in the implementation of surface processing ...

  • A test for Rapid Tribological Characterization of Bearing Steels 

    Gheorghieș, Constantin; Buciumeanu, Mihaela; Scarpete, Dan; Gheorghieș, Livia; Bold, Dorian (Universitatea "Dunărea de Jos" din Galați, 2012)
    In this paper is a study the influence of the material and heat treatment on the changes of the fine structure parameters of the superficial layer of triboelements during the first cycles of rolling contact process. The ...

  • Copper Plating Corrosion Study in Certain Environments 

    Cantaragiu, A.M.; Gavril (Donose), M.D.; Vladu (Radu), D.C.; Gheorghieș, C.; Tigău, N.; Cantaragiu, C.M. (Universitatea "Dunărea de Jos" din Galați, 2013)
    Copper plating was performed on nickel substrate by means of the potentiostatic electrodeposition method from a sulphate electrolyte solution. The copper coatings morphology was studied by means of the optical and ...

  • Reducing the Zinc Emissions by Upgrading of Steel Scraps Quality 

    Ciocan, Anișoara; Balint, Lucica (Universitatea 'Dunărea de jos" din Galați, 2013)
    The steel production is one of the major sources of heavy metals emissions to the environment. There are several possibilities for prevention and minimization of these pollutants. Emission reduction measures focus on ...

  • Setting the Optimum Angle of Solar Collectors Settlement 

    Teodoru, Alexandrina; Panait, Tănase; Uzuneanu, Krisztina; Tasma, Daniela; Mocanu, Cătălin (Universitatea "Dunărea de Jos" din Galați, 2013)
    The performance of any solar energy system depends very much on the availability of solar radiation and the orientation of solar collectors. Solar collectors need to be inclined at the optimum angle to maximize the ...