Căutare 2009 fascicula8 nr2 după Titlu

Afișează articolele 12-19 of 19

    • Rapeseed Oil Flammability on Hot Surface 

      Deleanu, Lorena; Ciocan, Sorin; Șolea, Liviu (Universitatea ”Dunărea de Jos” din Galați, 2009)
      The paper presents the tests and results upon rapeseed oil flammability on hot surface. The oil samples were obtained from a rapeseed oil after a dewaxing process. There were established temperature ranges for which the ...

    • Sliding Indentation Behaviour of x 65 Hydrogenated Steel Grade 

      Spânu, Constantin; Teletin, Claudiu; Crudu, Ion; Mereuță, Valentin (Universitatea ”Dunărea de Jos” din Galați, 2009)
      The paper presents an experimental research on non-hydrogenated and hydrogenated X 65 steel samples. The steel was obtained from a continuous casting slab, this grade being used in petroleum industry. The hydrogen has an ...

    • Steel on Silicon Nitride Hybrid Tribological Systems Lubricated by Kerosene. Tests on a fFour-Ball Machine 

      Paleu, Viorel (Universitatea ”Dunărea de Jos” din Galați, 2009)
      The kerosene can be used not only as a fuel for jet engines, but also as lubricant of the various mechanisms of modern jet aircrafts and turbine helicopters [1]. In order to determine the wear resistance of hybrid ...

    • Structure Assessment by X-Ray Difractometry for Ceramic Materials used in Oral Prosthetic Systems 

      Ursache, Maria; Armencia, Oana (Universitatea ”Dunărea de Jos” din Galați, 2009)
      The paper presents a difractometric analysis on two types of ceramics nowadays available on the market and frequently used in restorative dentistry: InLine (IVOCLAR) and Hera-Ceram (HAEREUS KULZER). The diffractograms ...

    • The Behaviour of Two Non-Conventionally Treated Steels During Corrosion Process 

      Papadatu, Carmen-Penelopi (Universitatea ”Dunărea de Jos” din Galați, 2009)
      This paper presents an analysis on two steel grades, subjected to nitriding thermo-chemical treatment after classic / thermo-magnetic treatments (in direct current/alternative current). It was estimated the durability of ...

    • Torsional Analysis of Ship Hull Model 

      Chirică, Raluca; Mușat, Sorin Dumitru; Boazu, Doina; Beznea, Elena-Felicia (Universitatea ”Dunărea de Jos” din Galați, 2009)
      In this paper a new methodology (numerical and experimental) proposed to analyze the ship hull torsion is treated. The torsion analysis is performed on a scale model (1:50) of a container ship, made of composite material. ...

    • Tribological Characteristics and Formation of Subsurface Structures of Cast FE-CR-C Alloys with Different Content of Copper, under Sliding Friction 

      Novytskyy, Viktor; Lakhnenko, Volodymyr (Universitatea ”Dunărea de Jos” din Galați, 2009)
      Effect of copper contents (0%, 0.4%, and 14%) and modes of heat treatment on initial structure of Fe-Cr-C alloys (C~1.2%, Cr = 17…19%) and subsurface structure of friction layers and tribological characteristics of these ...

    • Tribological Testing Programs for Uhmwpe Matrix Composites 

      Chiculiță, Simona; Rîpă, Minodora; Andrei, Gabriel (Universitatea ”Dunărea de Jos” din Galați, 2009)
      This paper aims to review the knowledge on materials and tribology of the ultra high molecular weight polyethylene (UHMWPE) composites. The various mechanisms proposed for the wear behaviour of UHMWPE are closely associated ...