Căutare după Subiect "powder"

Afișează articolele 1-4 of 4

    • Influence of Thermal Treatment on Zirconia Powder 

      Gheorghieș, Livia (Universitatea "Dunărea de Jos" din Galați, 2013)
      Zirconia powder in amorphous state was prepared by electrolytic deposition method (ELD) and then it was subjected to a thermal treatment according to a typical diagram. The structural changes in zirconia powder induced ...

    • Laser Cladding of High-Speed Steel on a Steel Support 

      Levcovici, Dan Teodor; Boiciuc, Radu; Levcovici, Sanda Maria; Gheorghieș, Constantin (Universitatea "Dunărea de Jos" din Galați, 2005)
      Multilayer cladding by injection of high-speed steel powder with 0.82%C, 4.7%Mo, 6.4%W, 4.1%Cr, 2.02%V, 0.3%Mn, as chemical composition, in melted bath by CO2 continuous wave laser connected to x-y-z coordinate table was ...

    • Rapid Synthesisof ZnO Micro and Nanostructures 

      Plăiașu, Adriana Gabriela; Abrudeanu, Mărioara (Universitatea "Dunărea de Jos" din Galați, 2009)
      This paper focuses on the newer chemical synthesis of zinc oxide powders and the effects of reaction temperature and possible mechanism of ZnO formation. The study of the reaction mechanism at different temperatures has ...

    • 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 ...