Căutare după Autor "Levcovici, Dan Teodor"

Afișează articolele 1-3 of 3

    • 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 ...

    • Laser Cladding of Ni-Cr-B-Fe_Al Alloy on a Steel Support 

      Levcovici, Sanda Maria; Levcovici, Dan Teodor; Gheorghieș, Constantin; Boiciuc, Simona (Universitatea "Dunărea de Jos" din Galați, 2005)
      Multilayer coating by injection of powder with 8.9% Cr, 4.5% Fe, 5.1% B, 2.4% Al, 0.6% Cu; all reminded of Ni, as chemical composition, in melted bath by CO2 continuous wave laser connected to x-y-z coordinate table was ...

    • Laser Surface Hardening of 51Crv4 Steel 

      Levcovici, Sanda Maria; Levcovici, Dan Teodor (Universitatea "Dunărea de Jos" din Galați, 2005)
      The work presents the surface changes in microstructure and properties by quenching the 51CrV4 steel from liquid and solid phase, using a CO2 continue laser wave with 900W power. In order to determine the hardening ...