• 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 ...
    • Protective and Decorative Vacuum's Coatings on Wares of Artistic Castings 

      Grechanyuk, V.; Grechanyuk, I.; Grechanyuk, N. (Universitatea "Dunărea de Jos" din Galați, 2006)
      The problem of environmental protection is extraordinarily important, and its actuality will increase with every year. In this aspect, processes of depositing of coatings in vacuum have got serious advantages before ...
    • Research About the Vibration Parameters for a Cold Rolling Mill Machine 

      Dragomir, Ștefan; Dragomir, Georgeta; Bordei, Marian (Universitatea "Dunărea de Jos" din Galați, 2006)
      By using the equipments of vibration measurement we can fight against the damages (strip undulation and thickness variation on the length) who is show in while of mill work. The amplitude of vibration parameters determine ...
    • Surface Hardening of 40Cr10 steel After Short Time Nitriding in Fluidized Bed 

      Bâclea, Adolf; Dobrovici, Sorin; Drugescu, Elena; Cazacu, Nelu; Preda, Nelu (Universitatea "Dunărea de Jos" din Galați, 2006)
      The paper is based by nitriding in fluidized bed experiments over laboratory plant. Fluidization applications are characterized by high values of mass and heat transfer coefficients. For experiments were used 40Cr10 ...
    • Oxidizing Influence Over Surface Structures and Properties for A3k Steel Nitrocarburized in Fluidized Bed 

      Cazacu, Nelu; Dobrovici, Sorin; Bâclea, Adolf; Tănăsescu, Victor; Preda, Nelu (Universitatea 'Dunărea de Jos" din Galați, 2006)
      Surface duplex thermochemical treatment (oxinitrocarburizing) has principal scope to obtaining superficial mechanical higher properties with increasing corrosion capacity. The paper is based by oxinitrocarburizing ...
    • Experimental Equation of Deformation Behaviour of a Concrete Steel 

      Cănănău, Nicolae; Gurău, Gheorghe; Alexandru, Petrică; Corobete, Gheorghe (Universitatea "Dunărea de Jos" din Galați, 2006)
      The plastic deformation behavior is defined by the function of the deformation strength according to the strain, strain rate and temperature as the factor of the deformation process. The behavior law establishes by the ...