Căutare Fascicula IX după Titlu

Afișează articolele 393-412 of 552

    • Silica thin Films Obtaining by Sol-Gel Dip Coating with Controlled Optical Properties 

      Mihoreanu, C.; Eneșca, A.; Duță, A. (Universitatea "Dunărea de Jos" din Galați, 2014)
      Transparent oxide films are widely employed as antireflection or high reflection coatings, band-pass filters and narrow-band-filters in various optical and electronic devices. The performances of these devices are based ...

    • Software used at Castings Production 

      Marginean, Ioan; Bratu, Constantin; Cocolas, Sorin-Adrian (Universitatea "Dunărea de Jos" din Galați, 2009)
      The foundry industry has been developed worldwide, a number of software that can assist the design work and various processes in the production of castings. Current usage of such software by metallurgical engineers is ...

    • Soil Pollution with Heavy Metals 

      Vlad, Maria; Movileanu, Gelu (Universitatea "Dunărea de Jos" din Galați, 2010)
      In this paper was studied soil pollution with heavy metals (copper, chrome, manganese, lead, zinc, cadmium, nickel) caused by the municipal waste from landfill. The level of soil pollution depends on rain regime which ...

    • Solutions for Diagnosing Faults in an Asynchronous Motor Stator Through a Ferrofluid Installation 

      Țanța, Ovidiu-Magdin; Romanescu, Adrian-Neculai; Cenușă, Mihai; Nițan, Ilie; Poienar, Mihaela (Universitatea "Dunărea de Jos" din Galați, 2015)

    • Some Aspects About the Refractory Lining Wear in Furnaces 

      Bedő, Tibor (Universitatea "Dunărea de Jos' din Galați, 2007)
      For melting cast iron, carbon steel, copper and copper alloys the quartzite is still one of the most used lining material and the most cost effective as well. The silica lining has to be replaced frequently due to the ...

    • Some Aspects Regarding the Elaboration of Multiple precessional Gear Theory and Modern Manufacturing Technology 

      Bostan, Ion; Dulgheru, Valeriu (Universitatea "Dunărea de Jos" din Galați, 2006)
      The engineering complex study of the triad “gear-technology-transmission” has permitted to elaborate a new type of precessional transmissions with multicouple gear. In this paper, the authors present the mathematic model ...

    • Some Aspects Regarding the Influence of Tribologycal Factors on the Superficial Layers of Steels Treated with Plasma Nitriding 

      Papadatu, Carmen Penelopi; Vasile, Elisabeta (Universitatea "Dunărea de Jos" din Galați, 2012)
      Some 38MoCrAl09 (SAE 4038) steel grade samples were subjected to plasma nitriding treatment regimes. The structural and diffractometric aspects of the superficial layers of the steel are studied after the wear tests by ...

    • Some Issues Concerning Gear Wheels Fabrication by Sintering 

      Olevschi, Alexandru (Universitatea "Dunărea de Jos" din Galați, 2006)
      Powder metallurgy appeared in the XVIII century as result of industrial market demand for electric bulbs filaments made of wolfram. Nowadays powder metallurgy is applied in such fields as: automotive industry (cylindrical ...

    • Some Issues Concerning Gear Wheels Fabrication by Sintering 

      Olevschi, Alexandru (Universitatea "Dunărea de Jos" din Galați, 2006)
      Powder metallurgy appeared in the XVIII century as result of industrial market demand for electric bulbs filaments made of wolfram. Nowadays powder metallurgy is applied in such fields as: automotive industry (cylindrical ...

    • Some Results of Researches to Develop the Proper Recycling Methods of Technological Residues from Secondary Aluminum Industry 

      Roman, Maria; Teodorescu, Romanița; Firescu, Lucia; Crișan, Aurel; Mărginean, Ioan; Cocolaș, Adrian (Universitatea "Dunărea de Jos" din Galați, 2007)
      The objective of the research is to identify new suitable process to use residual waste (like aluminium secondary dross, salt slag or fly ashes) in concrete products according with sustainable industry concepts. The paper ...

    • Sources of Emissions in the Sintering and Blast Furnace Plant 

      Chiriac, Alexandru; Florea, Gheorghe; Saracin, Ioan; Panda, Olimpia (Universitatea "Dunărea de Jos" din Galați, 2010)
      The main technological operations for producing the sinter used for preparing the hot metal in the furnace are: preparation and transport of raw materials used for producing the sinter (transport, storage, crushing, ...

    • Static Ananysis of the Structure Type Tank Thermally 

      Petrea, Ionel (Universitatea "Dunărea de Jos" din Galați, 2013)
      This paper consider finite element analysis for structural analysis of a tank under thermal loadings. Geometric modeling is done in CATIA and for finite element analysis the author used FEA module in Catia. The aim is ...

    • Static and Dynamic Analysis of Stress and Deformations of Răstolița Dam 

      Toderaș, Mihaela; Danciu, Ciprian (Universitatea "Dunărea de Jos" din Galați, 2016)
      Large Dams are a particularly important case of seismic risk assessment. On the one hand, the dams themselves have a high value, having implications for the whole economy, through the production of electricity, water ...

    • Statistical Correlations Between Chemical Composition and Mechanical Properties of A516 Grade 65 Steel 

      Ciocan, Anișoara; Tudor, Beatrice (Universitatea "Dunărea de Jos" din Galați, 2016)
      In order to respond to required demands associated to certain operation conditions, the steels used in petroleum, petrochemical and chemical processing industries must have significant improved mechanical properties. ...

    • Steel and Refractory Chemical Interactions and Mechanical Behavior of Plates for Sliding Gate During Steel Continuous Casting 

      Munteanu, Viorel (Universitatea "Dunărea de Jos" din Galaţi, 2008)
      The main objective to increase CC productivity as well as steel quality by using optimized refractory from ladle-tundish-to-mold lead to techniques that allow the prediction of steel and refractory chemical interactions ...

    • Steel Flow Control of Continuous Casted Slabs Using Submerged Entry Nozzle Exchange System for Tundish 

      Viorel, Munteanu (Universitatea "Dunărea de Jos" din Galați, 2007)
      In the steel making process, the continuous casting of molten steel is a very important step which involves hi-tech facilities. The flow control is a very important issue that influences the quality of the final products. ...

    • Strength Analysis of a Composite Joint Used in Ship Structure 

      Rotaru, Florentina; Chirică, Ionel; Beznea, Elena Felicia (Universitatea "Dunărea de Jos" din Galați, 2015)
      Low weight and high strength panels are always taken into account when designing materials for sandwich panel technology, which offers an efficient solution for different problems. Different types of sandwich panels are ...

    • Structural and Tribological Aspects on Ti(C,O,N) Magnetron Reactive Sputtered Thin-Films 

      Munteanu, Daniel; Olteanu, Camelia; Ionescu, Cristian; Munteanu, Alexandru; Vaz, Filipe; Cunha, Luis (Universitatea "Dunărea de Jos" din Galați, 2007)
      Magnetron sputtering is a flexible technique and allows producing a significant amount of types of coatings. Within the frame of present work, Ti-C-O-N thin films were deposited onto high-speed steel (AISI M2), substrates ...

    • Structural Changes Associated with the Pseudoelastic Response of Fe-based Shape Memory Alloys 

      Pricop, Bogdan; Lohan, Monica Nicoleta; Borza, Firuța; Lupu, Nicoleta; Suru, Marius-Gabriel; Mihalache, Elena; Comăneci, Radu Ioachim; Bujoreanu, Leandru-Gheorghe (Universitatea "Dunărea de Jos" din Galați, 2014)
      The pseudoelastic responses of two types of iron base shape memory alloys (SMAs) were introduced and discussed. The former was based on Fe-Mn-Si system, obtained by classical (CM) and by powder metallurgy (PM) manufacturing. ...

    • Structural Characteristics in Cobalt Based Alloys 

      Ghiban, Brânduşa; Borţun, Cristina; Ciucă, Sorin (Universitatea "Dunărea de Jos" din Galaţi, 2008)
      In the present paper there are presented results of investigations on samples of partially removable denture made of cobalt base alloys (Co-Cr-Mo) regarding specific structural analysis: determination of structural phases ...