2014 fascicula9 nr1

 

Înregistrări recente

  • Studies and Research on Treatment of Titanium Alloys 

    Dima, Ovidiu; Alexandru, Petrică; Gurău, Gheorghe; Vasilescu, Vlad Gabriel; Vasilescu, Elisabeta (Universitatea "Dunărea de Jos" din Galați, 2014)
    Titanium and its alloys have an extended use due to special properties. The paper highlights the TiZr alloy intended to manufacture prostheses, the influence of plastic deformation on the properties and structure. Applied ...

  • Structuras of the Eutectoid Zn-Al Alloy Obtained by Directed Solidification 

    Agapie, Mirela; Varga, Béla (Universitatea "Dunărea de Jos" din Galați, 2014)
    This work analyses the structure of the eutectoid Zn-Al based alloy directionally solidified, with cooling rates ranging between 8.5-0.4 oC/sec. During cooling, the temperature gradient in the liquidus zone, respectively ...

  • Resesrches on the Production of Copper-Based Composites by Powder Metallurgy Methods 

    Boiciuc, Simona; Alexandru, Petrică (Universitatea "Dunărea de Jos" din Galați, 2014)
    The article presents how to obtain copper matrix composite with alloy particles of NiCrBFeAl as complementary phase. The samples were obtained by powder metallurgy methods using different percentages of the additional ...

  • Effects Exerted by Slag Carried over from Converter in the Ladle on the Aluminum Assimilation 

    Niță, Petre Stelian (Universitatea "Dunărea de Jos" din Galați, 2014)
    In the present paper are shown aspects of the influence exerted by the some less controlled parameters of BOF steelmaking, mainly of slag characteristics at tapping. Following the necessities to control the steel ...

  • Behavior of Cold Rolling Emulsions in the Obtaining Process of Steel Strips 

    Radu, Tamara; Ciocan, Anișoara (Universitatea "Dunărea de Jos" din Galați, 2014)
    The research was focused on determining an optimum rolling emulsion to be used on a cold rolling mill from Galfinband Galati Romania. In this plant are obtained steel strips with the thickness of 0.7-0.8 mm. The main ...

  • Particularities of the Management System for Phone Mobile Waste in Romania 

    Ciocan, Anișoara (Universitatea "dunărea de Jos" din Galați, 2014)
    The main objective of this paper is to characterize the management system for mobile phones in Romania. The dimension of cell phone waste flow and the problems related to the collecting and recycling of this waste were ...

  • Elastic Modulus of Coatings by Pendulum Impact Test 

    Constantinescu, Stela (Universitatea "Dunărea de Jos" din Galați, 2014)
    The pendulum impact scratch device with high precision system in measuring normal and tangential forces during scratching has been used to study elastic modulus of coatings. The criterion for evaluation of elastic modulus ...

  • Characterization on the Red Mud Resulted from the Alumina Bayer Process Production for the Future Use in Geopolymers Synthesis 

    Spătaru (Severin), Ilenuța; Vlad, Maria; Gheorghieș, Constantin; Movileanu, Gelu (Universitatea "Dunărea de Jos" din Galați, 2014)
    This paper presents the results of analyses on the chemical, structural and morphological processing of bauxite red mud resulting from alkaline wet Bayer technology. The characterization of the material considered as ...

  • Tribocorrosion-insight Into Material Degradation in Specific Environments 

    Bașa, Sorin-Bogdan; Benea, Lidia (Universitatea "Dunărea de Jos" din Galați, 2014)
    Tribocorrosion is an irreversible surface degradation mechanism of a metallic and/or non-metallic material as a result of its physicochemical and mechanical interactions during relative motion (friction, sliding, impact, ...

  • Emphasizing the Toxicity of Heavy Metal ions on Plants: Monitoring with an Amino Acids Assay 

    Pintilie, Olga; Zaharia, Marius; Tudorachi, Lucia; Băncilă, Sabina; Drochioiu, Gabi; Sandu, Ion (Universitatea "Dunărea de Jos" din Galați, 2014)
    In order to emphasize modifications on living organisms resulted from interaction with heavy metals, we applied a simple, sensitive, quick, inexpensive and reproducible method. It evaluates modifications through determining ...

  • Siderurgy Slags Recovery in Building Industry 

    Bordei, Marian; Enăcache, Liviu; Dragomir, Ștefan (Universitatea "Dunărea de Jos" din Galați, 2014)
    During the metallurgical processes of iron and steel elaboration, besides the basic products, it results a serious of secondary products (wastes) in high quantities but with a high recycle – recovery potential, and their ...

  • Recycling of Cellulosic Waste in the Energy Sector 

    Drăgan, Mircea Viorel (Universitatea "Dunărea de Jos" Galați, 2014)
    Biomass is one of the Earth’s most abundant and precious resources. It offers not only food but also energy, materials used for construction, chemicals and much more. Biomass has always been used for generating energy ...

  • Experimental Research on Heating Behavior of Some Steels During Hot Metallurgical 1453 – 083X 

    Vasilescu, Elisabeta (Universitatea "Dunărea de Jos" din Galați, 2014)
    The heating of steel semi-products in view of hot rolling process or heat treatments is achieved at the large scale in propulsion ovens for the increase of their deformability and to improving mechanical characteristics ...