Afișează articolele 1288-1307 of 1845

    • Research Issues on Punch - Circular Plate Elastic Contacts 

      Trandafir, Marius; Diaconescu, Emanuel (UDJG, 2010)
      Circular plates enter into the category of finite dimension bodies. Solutions regarding the displacements and stresses, which appear at the contact involving finite dimension bodies and also numerical and analytical results ...
    • Research on Abrasive Wear Behaviour of laser Cladding Lyers with Aluminum Bronze Powders 

      Boiciuc, Simona (Universitatea "Dunărea de Jos" din Galați, 2014)
      The paper presents the wear behaviour on rotating disk with abrasive paper of laser cladding layers with aluminum bronze powders compared with steel samples and aluminum bronze classically quenched. The hardness and wear ...
    • Research on arisk Assessment of the Workplace in an Emergency County Hospital 

      Dragomir, Ștefan; Bordei, Marian (Universitatea "Dunărea de Jos" din Galați, 2015)
      In hospitals crisis conditions, in Romania, it is necessary along with the implementation of a correctly medical act, applied to patients and security measures relating to the employment for staff involved. The work shall ...
    • Research on Chemical Deposition of Silver with Antibacterial Role in Implantology 

      Vasilescu, Elisabeta; Vasilescu, Vlad Gabriel (Universitatea "Dunărea de Jos" din Galați, 2015)
      The paper presents a synthesis of the laboratory research on the conditions of achieving chemical deposition of silver on oral implants made of Ti base alloy (bioalloy Ti10Zr). There were used several chemical deposition ...
    • Research on Obtaining and Characterization of Polymeric Membranes for Wastewater Treatment 

      Tiron, Laurenția Geanina; Vlad, Maria; Pintilie, Ștefan Cătălina; Baltă, Ștefan (Universitatea "Dunărea de Jos" din Galați, 2016)
      Some of the most common polymeric membranes are used in wastewater treatment. Over the years, these membranes have been studied from different points of view: their aim to improve the retention of impurities, membrane ...
    • Research on Surface Roughness by Laser Cut 

      Radovanovic, Miroslav; Dašić, Predrag (Universitatea ”Dunărea de Jos” din Galați, 2006)
      Laser cutting is one of the most industrial applications. Laser cutting with oxygen is used primarily for cutting of mild and low-alloyed steels. Cut surface quality is a very important characteristic of laser cutting that ...
    • 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 ...
    • Research on the Corrosion Resistance, in Saline Solution, of Steel Sheets for Industrial Construction, by Gravimetric Method 

      Tudor, Beatrice (Universitatea "Dunărea de Jos' din Galați, 2015)
      In this paper, it was presented a study on corrosion in saline medium, by gravimetric method, of the steel sheets for industrial construction. The corrosion rate was estimated by gravimetric method and evaluate based on ...
    • Research on the Influence of the Complementary Phase Percentange on the Properties of Copper-Based Composites 

      Boiciuc, Simona; Alexandru, Petrică (Universitatea "Dunărea de Jos" din Galaţi, 2014)
      The article presents the method to obtain copper matrix composite with Cu- Al-Fe alloy particles as complementary phase. The samples were obtained by powder metallurgy methods using different percentages of complementary ...
    • Research on the Operation of Commercial Vessels with Compressed Air 

      Dragomir, Ștefan; Bordei, Marian (Universitatea "Dunărea de Jos" din Galați, 2016)
      Regarding the reduction of the carbon dioxide emissions in the atmosphere, this paper is going to present a system of propulsion with compressed air used for medium-sized commercial vessels. In the transport domain, ...
    • Research on the Production of Sintered Powder 316 

      Boiciuc, Simona; Potecașu, Florentina (Universitatea "Dunărea de Jos" din Galați, 2012)
      The 316 austenitic stainless steel powders are typically used in applications requiring good corrosion resistance, mechanical strength at high and very low temperatures, good ductility, wear resistance, associated in ...
    • 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 Rearding of Composite Materials under the Influence of Abrasive Wear 

      Florea, Carmen; Florea, Alexandru; Chivu, Mioara (Universitatea ”Dunărea de Jos” din Galați, 2008)
      The method described in the paper will allow estimating the composite materials performances with different structures and various working conditions, with a view to estimate useful life of technological equipments parts ...
    • 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 Investigation of Steel Hardness 

      Picu, Mihaela (Universitatea "Dunărea de Jos" din Galați, 2004)
      Mobile hardness testing is on the advance: in these times of cost pressures and higher quality requirements there is a quick and economical supplement to stationary hardness testing in the modern production process. The ...
    • 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 ...