Căutare după Autor "Potecașu, Florentina"

Afișează articolele 1-16 of 16

    • Behavior of Refractories in Interaction with Metallurgical Slag 

      Potecașu, Florentina; Muntean, Marcela; Ivan, Mariana (Universitatea "Dunărea de Jos" din Galați, 2012)
      The aim of this paper is to present the studies concerning behavior of the refractory to metallurgical slag corrosion. The corrosion resistance at high temperatures using the static method on samples containing chamotte ...

    • Composite-Decorative Tiles with Granite 

      Potecașu, Octavian; Potecașu, Florentina; Drugescu, Elena (Universitatea "Dunărea de Jos" din Galați, 2006)
      The paper presents the results of the authors’ scientific research on a composite material with polymeric matrix, hardened with rock particles. It was studied the influence of the quantity of the hardening phase on the ...

    • Corrosion Behavior of Some Materials in 0.5 M Ammonium hydroxide Solution 

      Istrate, Gina; Potecașu, Florentina; Bașliu, Vasile (Universitatea "Dunărea de Jos" din Galați, 2013)
      The present work has the purpose of studying metallographic aspects and corrosion resistance of three materials used in ammonia stripping plants. The corrosion process was evaluated by gravimetric tests and potentiodynamic ...

    • Decorative composite Layers 

      Mitoșeriu, Olga; Potecașu, Florentina; Drugescu, Elena; Vlad, Maria (Universitatea "Dunărea de Jos" din Galați, 2008)
      Part of the materials used in the chemical industry, metallurgical, machine construction, can be coated, as with time it occurs either a decrease of its properties, or even a process of advanced faulting, because of the ...

    • Dimensional Changes in Some Iron-Based Powder Metallurgy Alloys 

      Marin, Mihaela; Potecașu, Florentina; Potecașu, Octavian (Universitatea "Dunărea de Jos" din Galați, 2015)
      The purpose of this paper is to present the dimensional changes in some ironbased (P/M) alloys. The specimens produced from atomized iron powder and alloyed powder with different sizes (< 45, 45-63, 63-100, 100-150, >150 ...

    • Generation, Morphology and Mineralogy of the Dust Particles from Off-Gas Blast Furnace 

      Ciocan, Anișoara; Potecașu, Florentina; Ivancea, Liliana (Universitatea "Dunărea de Jos" din Galați, 2009)
      In order to elucidate the morphology and mineralogy of the dust from blast furnace, the fundamental aspects of its generation process were studied. A dust generated by the dry dedusting step of the cleaning process for ...

    • Hardened Aluminium with Discontinuous Copper Threads 

      Potecașu, octavian; Potecașu, Florentina; Alexandru, Petrică (Universitatea "Dunărea de Jos" din Galați, 2006)
      The paper presents the influence of the quantity of discontinuous reinforced threads on the mechanical characteristics of some samples obtained through deformation from composite material with metallic matrix. As a raw ...

    • Hardened Aluminum with Oxide Particles 

      Potecașu, Florentina; Potecașu, Octavian; Drugescu, Elena (Universitatea "Dunărea de Jos" din Galați, 2006)
      The paper presents the effect of size and dispersion degree of the particles of aluminum oxide, on structure, mechanical characteristics and phenomena that take place when heating at different temperatures for ...

    • Influence of Alloying Elements on Corrosion Resistance of Some Iron - based Sintered P/M Alloys 

      Potecașu, Florentina; Marin, Mihaela; Potecașu, Octavian; Radu, Tamara; Istrate, Gina (Universitatea "Dunărea de Jos" din Galați, 2015)
      In this paper is described the influence of alloying elements on corrosion behavior of sintered iron parts. The compacts were sintered at 1,150 °C and the sintering time was 60 minutes. After microstructural studies, the ...

    • Mechanical properties and Abrasive Wear Behavior of Fluidized-bed Carburized Sintered Iron Alloys 

      Marin, Mihaela; Potecașu, Florentina; Drugescu, Elena; Potecașu, Octavian; Alexandru, Petrică (Universitatea "Dunărea de Jos" din Galați, 2012)
      This paper is a study of the influence of fluidized bed carburizing of sintered steels on the mechanical properties and the abrasive wear behavior for two different types of powder. Carburizing was carried out at a ...

    • 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 ...

    • The Assessing of Mechanical Characteristics of the Steel Sheets Designed for Drawing for a Five-Month-Period as an Effect of Natural Ageing 

      Potecașu, octavian; Potecașu, Florentina; Drugescu, Elena (Universitatea "Dunărea de Jos" din Galați, 2009)
      In the paper it is presented a study run on a five-month-period regarding the changes in the mechanical characteristics due to natural ageing for a drawing steel, cold rolled, unalloyed with 0.04% C. The ageing tendency ...

    • The Influence of Cold Rolling on the Microstructure for Drawing Steels 

      Potecașu, Florentina; Potecașu, octavian; Drugescu, Elena; Alexandru, Petrică; Istrate, Miltiade; Hanganu, Doru (Universitatea "Dunărea de Jos" din Galați, 2007)
      The paper presents the structural changes that appeared in steel for deep drawing, as a result of cold rolling and of recrystallization thermal treatment. The research was conducted on samples taken from the rolled strap, ...

    • The Properties of Hardened Lead 

      Potecașu, Florentina; Potecașu, Octavian; Drugescu, Elena (Universitatea "Dunărea de Jos" din Galați, 2005)
      Lead hardened through oxide scattering is investigated as raw materials for the fabrication of the support gratings of lead accumulators in order to increase their life service. For the preparation of lead powder hardened ...

    • The temperature Effect on Severely Deformed Aluminium by High Pressure Torsion 

      Gurău, Carmela; Gurău, Gheorghe; Cănănău, Nicolae; Potecașu, Florentina; Dogaru, Victor; Fernandes, FM Braz (Universitatea "Dunărea de Jos" din Galați, 2009)
      The process of deforming materials started to attract the interest of the researchers after the development of the severe plastic deformation techniques. A number of aluminium samples were severe deformed by HPT method ...

    • Wear Behavior of Carburizing on Powder Metallurgy Alloys 

      Marin, Mihaela; Potecașu, Florentina; Alexandru, Petrică; Potecașu, Octavian; Drugescu, Elena (Universitatea "Dunărea de Jos" din Galați, 2014)
      In this paper is studied the influence of wear behavior of carburizing in fluidized-bed on sintered alloys produced by powder metallurgy route. In powder metallurgy, carburization is a thermochemically treatment that ...