Afișează articolele 365-384 of 552

    • Research on the Work Place Security and Environmental Factors Affected by Lathe Work 

      Dragomir, Georgeta; Bordei, Marian; Dragomir, Ştefan (Universitatea "Dunărea de Jos" din Galaţi, 2014)
      Most work place risks are spatially and temporally determined, so a critical early need is to establish the risk of what (is happening) to whom (which part of the environment is affected), where (location) and when (in ...
    • Research Regarding on Work Safety in Making Steel at LD Converted 

      Tudor, Beatrice (Universitatea "Dunărea de Jos" din Galați, 2013)
      This paper presents the tasks and work environment of workers working at the LD converter. Risk factors identified and assessed and suitable measures for reducing or eliminating them, resulting a safer environment for ...
    • Research Regarding the Possibility of Obtaining Nitinol by Powder Metallurgy 

      Potecaşu, Octavian; Potecaşu, Florentina; Alexandru, Petrică; Braz Fernandes, Francesco Manuel; Cordeiro Silva, Rui Jorge; Figueiredo Pereira Das Neves, Filipe Carlos (Universitatea "Dunărea de Jos" din Galaţi, 2012)
      In the paper the obtaining of nitinol by pressing and sintering of a mixture of nickel and titanium powders is presented. The fabrication of NiTi alloys by powder metallurgy allows avoiding the usual problems related to ...
    • Research Regarding the Wear Level for a new Constructive Solution of a Cutting Tool 

      Popescu, Liliana Georgeta (Universitatea "Dunărea de Jos" din Galați, 2014)
      The paper presents a study of wear made to implement a constructive solution for a new cutting tool. The design of the cutting tool can be checked from a functional perspective, as well as reliability during the cutting ...
    • Research Regarding Work safety in the Loading Zone Furnace 

      Dragomir, Ștefan; Bordei, Marian; Drăgan, Viorel (Universitatea "Dunărea de Jos" din Galați, 2013)
      The loading zone furnace is the place where we find work belt conveyors, vibrating screens and feeders, 5-ton hoist, cyclone, scale hoppers, troughs for routing and carriage of waste materials. The work consists in ...
    • Researches Concerning Phase Transition of Zirconium Titanate Prepared by Electrolytic Method 

      Gheorghieș, Livia (Universitatea "Dunărea de Jos" din Galați, 2006)
      Powder zirconium titanate ceramics obtained by an electrolytic method has been investigated. Continuous phase transition were found to occur in powder zirconium titanate above and below a major discontinuity at 1120oC±10oC. ...
    • Researches Concerning the Correlation of the Semiplanetary Rolling Process Factors 

      Cănănău, Nicolae; Alexandru, Petrică; Gurău, Gheorghe; Preda, Adriana (Universitatea "Dunărea de Jos" din Galați, 2005)
      An available solution of the elimination of the superficial cracks network at the continuous cast slabs is the semiplanetary rolling. The application of a semiplanetary rolling mill at the exit of slab from the curve zone ...
    • Researches Concerning the Deformation Behaviour of a Low Carbon Steel 

      Cănănău, Nicolae; Alexandru, Petrică; Gurău, Gheorghe; Ionel, Petrea (Universitatea "Dunărea de Jos" din Galaţi, 2008)
      The paper shows the results of the researches meant to establish the equation of deformation behavior of low carbon steel. The behavior law is established by the experimental way, using the torsion test method. The ...
    • A Researches for the Determination of the ATC Si10Mg Alloy Fatigue Life, function of Different Applied Thermal Treatment Cycles 

      Dima, Adrian; Minea, Alina Adriana; Dima, Iulia-Margareta (Universitatea "Dunărea de Jos" din Galați, 2005)
      The experimental researches which were made, emphasized the opportunity of applying heat treatment cycles, in order to increase fatigue life of ATC Si 10 Mg alloy. The increase of minimum fatigue resistance is approximately ...
    • Researches on the Corrosion Behavior for a Drawing Steel That Went Through Natural Ageing 

      Potecașu, Florentina; Potecașu, octavian; Ioniță, Elena; Ciubotariu, Alina (Universitatea "Dunărea de Jos" din Galați, 2009)
      The paper presents the results of a study on the corrosion behaviour of the sheets of drawing steel with 0,04% C gone through natural ageing and run for a period of 112 days from the moment of drawing. The researches ...
    • Researches on the Pollution of Underground Waters in a Certain Part of Galati District 

      Vlad, Maria (Universitatea "Dunărea de Jos" din Galați, 2007)
      The paper underlines the importance of monitoring the quality of the underground waters and presents the experimental results as regards the pollution of underground waters in a certain part of Galati district. The final ...
    • Researches on the Viscoplastic Behavior of a CrMo Alloyed Steel 

      Cănănău, N.; Alexandru, P.; Gurău, L.; Gurău, G. (Universitatea "Dunărea de Jos" din Galați, 2009)
      The paper shows the results of the researches concerning the deformation behavior of alloyed steel with chromium and molybdenum. The plastic deformation behavior is researched in the experimental way, using the torsion ...
    • Researches Regarding Improvement of the Fatigue Limit by Heat Treatments of the Al-Alloys for Aeronautics Industry 

      Doniga, Ana; Vasilescu, Elisabeta; Istrate, Miltiade; Vasilescu, Ioan; Măcuță, Silviu (Universitatea "Dunărea de Jos" din Galați, 2005)
      The laboratory experiments were made on the two aluminium alloyed qualities used for aeronautical industry. The structure and mechanical characteristics were analyzed and the gotten results were compared using those two ...
    • Researches Regarding Temperature Influence on Classic and Synthetic Quenching Medium 

      Grecu, Adrian; Nejneru, Carmen; Axinte, Mihai; Hopulele, Ion; Gălușcă, Dan-Gelu (Universitatea "Dunărea de Jos" din Galați, 2009)
      In this paper were analyzed experimental graphics for quenching cooling curves of oil at 20°C,40°C,60°C, 80°C and carboxymethyl cellulose (CMC) 1,5% solution in water at the same temperatures. Velocity cooling was studied ...
    • Researches Regarding the Rolling of the Sinterized Metallic Powders Strips 

      Istrate, Sorin Miltiade; Petrea, Ionel (Universitatea "Dunarea de Jos" din Galați, 2005)
      This paper work is distinguishing the size modification of those two material layers gotten by the bimetallic strip rolling, joined by the sintering. The iron powders sediment was achieved on the steel strip backing. ...
    • Researches Regardingbthe Thermomechanical Treatments Influence on the Structure and Characteristics of the Aluminium Alloys for Aeronautics 

      Vasilescu, Elisabeta; Doniga, Ana (Universitatea "Dunărea de Jos" din Galați, 2005)
      The laboratory experiments were made on the two aluminium alloyed qualities used for aeronautical industry. More working conditions of the intermediary (PTMI) and finally (PTMF) thermomechanical treatments were used on ...
    • 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 ...
    • Residual Stress and Tribology Behaviour of TiCx Coating Deposited by NPCVD Method 

      Constantinescu, Stela (Universitatea "Dunărea de Jos" din Galați, 2014)
      In this paper, thin TiCx films were coated by chemical vapour deposition method, and various duty cycles were carried out in order to observe the influence of this parameter on residual stress and tribology behaviours. ...
    • A Review on the Thermophysical Properties of Water-Based Nanofluids and their Hybrids 

      Minea, Alina Adriana (Universitatea "Dunărea de Jos" din Galați, 2016)
      A nanofluid is a solid–liquid mixture which consists of nanoparticles and a base liquid. Nanoparticles are basically metal (Cu, Ni, Al, etc.), oxides (Al2O3, TiO2, CuO, SiO2, Fe2O3, Fe3O4, BaTiO3, etc.) and some other ...
    • Sculpture, Extended Nature 

      Paraschiv, Elena; Păunescu, Victor; Răducan, Cristina (Universitatea "Dunărea de Jos" din Galați, 2010)
      The paper portrays some aspects that show how nature is implemented into the graphic values domain by confronting the physical image of the artistic subject. The article presents some rules that have marked over time the ...