Căutare 2008 fascicula9 nr2 după Titlu

Afișează articolele 13-22 of 22

    • Research for Realize the Configuration of Wind Energy Turbine 

      Drăgan, Viorel; Drăgan, Mădălina Cristina; Baltă, Ștefan (Universitatea "Dunărea de Jos" din Galați, 2008)
      For already quite some time, the word energy has received a somewhat negative connotation. Some circles want to make us believe that energy is something that one should have disgust for; a necessary evil that should be ...

    • 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 ...

    • 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 ...

    • Structure Effects Over Behavior of Graphite Gray Iron in Running 

      Preda, Adriana; Rîpă, Minodora; Miculescu, Florin; Dulea, Gabriela (Universitatea "Dunărea de Jos" din Galați, 2008)
      The work aims at emphasizing the structure changes of graphite gray iron, as a result of make-casting conditions and their effects over behavior in running of several cast items. Researches consisted of complex ...

    • Surface Hardening Over 38MoCrA109 Steel by Yag:Nd Pulse Laser 

      Dobrovici, Sorin; Cazacu, Nelu; Sava, Liliana; Baclea, Adolf (Universitatea "Dunărea de Jos" din Galați, 2008)
      Laser offers unique capabilities for high energy concentrations at small surfaces. Factors that have influences over interactions between laser beam and steel surfaces have very high control. Pulse laser YAG:Nd is usually ...

    • The Modern State of Works in Field of Electron-Beam Technology of Melting and Evaporation of Metals and Non-Metals in a Vacuum 

      Grechanyuk, I.N.; Grechanyuk, N.I.; Croitoru, G. (Universitatea "Dunărea de Jos' din Galați, 2008)
      In developing of new processes for growing metal (composite) films, the main attention is given to controlling the metal vapour flows: through energy state of the condensing particles, their molecular composition, ...

    • The Study of Metal-old Wood Interactions Under the Influence of Pedological Factors 

      Sandu, Ion; Hayashi, Mikiko; Quaranta, Marta (Universitatea "Dunărea de Jos" din Galați, 2008)
      In the manufacture of wood objects, for binding and strengthening were used nails, cramps and other metallic elements, which in the archaeological site suffered degradation and deterioration processes, specific to ...

    • Thermal Analysis of Inoculated Grey Cast Irons 

      Chisamera, Mihai; Stan, Stelian; Riposan, Iulian; Ştefan, Eduard; Costache, George (Universitatea "Dunărea de Jos" din Galaţi, 2008)
      A research was done to investigate the effect of 0.05…0.25wt.% addition rate of Ca, Zr ,Al – FeSi alloy, in ladle and in-mould inoculation of grey cast irons. In the present paper, the conclusions drawn are based on ...

    • Vaporisation of the Metallic Bath Component During Refining in Oxygen Converter 

      Ivănescu, Lilica; Ivănescu, Alexandru; Vasilescu, Elisabeta (Universitatea "Dunărea de Jos" din Galați, 2008)
      The paper presents a series of researches regarding the vaporization of the component elements of the metallic bath and slag during refining in LD converter. Also, the main factors which influence the vaporization process ...

    • X-Ray Diffraction Study of the Rewverse Martensitic Transformation in Cu-Al-Ni Shape Memory Alloy 

      Gurău, Carmela; Gurău, Gheorghe; Fernandes, F. M. Braz (Universitatea "Dunărea de Jos" din Galaţi, 2008)
      The paper presents an X ray diffraction study for a cooper based shape memory alloy. The behavior of CuAl13Ni4 alloy, which exhibits a peculiar property, is evaluated by structural changes. On cooling, the martensitic ...