Căutare după Subiect "crack"

Afișează articolele 1-4 of 4

    • Electrochemical and Mechanical Changes on Fatigue Corrosion Damaged Surfaces 

      Băicean, Svetlana; Palaghian, Liviu; Ciortan, Sorin; Thompson, Mioara (Universitatea ”Dunărea de Jos” din Galați, 2008)
      The paper presents some surfaces changes aspects in fatigue corrosion damage based on electrochemical, mechanical profilometry and microscopically analyze of cylindrical and plate steel specimens. The researches have ...

    • Modelling and Prediction in Failure Processes by Mechanical Stresses in Corrosive Environment 

      Palaghian, Liviu; Thompson, Mioara; Băicean, Svetlana; Bucșă, Sorin (Universitatea "Dunărea de Jos" din Galați, 2007)
      The complex interaction effect of mechanical stress- mechanical systems and aggressive environment, leads, at dramatic decreasing of their durability and reliability. The analyze of physical-chemical processes such as: ...

    • The Presence of Hydrogen as Wear Environment for the Mechanical System of the Continuous Casting Equipment 

      Teletin, Claudiu; Spânu, Constantin; Crudu, Ion (UDJG, 2010)
      In the last years the continuous casting of the steel has a tremendous development. In the same time, the casting steel quality requirements become higher. The hydrogen as environment of the casting diminishes the steel ...

    • XRD Analysis in Front of a Corrosion Crack Tip 

      Gheorghieș, C.; Levcovici, S.; Păunoiu, V.; Gheorgieș, L.; Oancea, C.; Ostache, I.; Alexandru, P. (Universitatea "Dunărea de Jos" din Galați, 2008)
      During exploitation of the heat exchangers some damages can appear in the contact region between the gaskets and the stainless steel walls. The studies upon the material were performed using SEM microscopy, X-ray ...