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Πλοήγηση ανά Θέμα "welding"

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    • Analysis of heat affected zone in welded aluminum alloys using inverse and direct modeling 

      Zervaki, A. D.; Haidemenopoulos, G. N.; Lambrakos, S. G. (2008)
      The concept of constructing parameter spaces for process control and the prediction of properties within the heat affected zone (HAZ) of welds using inverse modeling is examined. These parameter spaces can be, in principle, ...

    • Artificial Optical Radiation photobiological hazards in arc welding 

      Gourzoulidis G.A., Achtipis A., Topalis F.V., Kazasidis M.E., Pantelis D., Markoulis A., Kappas C., Bourousis C.A. (2016)
      Occupational Health and Safety (OHS) is associated with crucial social, economic, cultural and technical issues. A highly specialized OHS sector deals with the photobiological hazards from artificial optical radiation ...

    • Case-Study Inverse Thermal Analyses of Al2139 and Al2198 Electron Beam Welds 

      Zervaki, A. D.; Stergiou, V.; Lambrakos, S. G. (2013)
      Case study inverse thermal analyses of A12139 and Al2198 electron beam welds are presented. These analyses represent a continuation of previous studies using laser beam welds, but provide accessibility to different regions ...

    • Case-Study Inverse Thermal Analyses of Al2139 Laser Welds 

      Zervaki, A. D.; Haidemenopoulos, G. N.; Vriami, D. P.; Lambrakos, S. G. (2012)
      Case study inverse thermal analyses of A12139 laser welds are presented. These analyses employ a numerical methodology that is in terms of analytic and numerical basis functions for inverse thermal analysis of steady state ...

    • Case-Study Inverse Thermal Analyses of Al2198 Laser Welds 

      Zervaki, A. D.; Haidemenopoulos, G. N.; Vriami, D. P.; Lambrakos, S. G. (2012)
      In this article, case-study inverse thermal analyses of Al2198 laser welds are presented. These analyses employ a numerical methodology, that is, in terms of analytic and numerical basis functions for inverse thermal ...

    • Computational kinetics simulation of the dissolution and coarsening in the HAZ during laser welding of 6061-T6 Al-alloy 

      Zervaki, A. D.; Haidemenopoulos, G. N. (2007)
      Laser beam welding (LBW) has become common practice in the production lines of several industrial sectors including the electronics, domestic appliances, and automotive industries. The advantages of LBW over conventional ...

    • Evaluation of the genetic damage to workers in a Greek shipyard 

      Koutsoumplias D., Damati A., Thanasias E., Vlastos D., Halkos G., Matthopoulos D., Makropoulos V. (2022)
      Shipyards are industrial areas where workers are likely exposed to environmental pollutants such as welding fumes, fine organic solvent and dye dust, that render the occupational environment a high risk one. Assessing the ...

    • Fatigue resistance of welded steel tubular X-joints 

      Papatheocharis T., Sarvanis G.C., Perdikaris P.C., Karamanos S.A., Zervaki A.D. (2020)
      High-cycle fatigue experiments are performed on welded tubular steel X-joints, with braces and chord of equal diameter. They are scaled-down joints, used extensively in offshore wind platforms. Three different welding ...

    • Inverse Thermal Analysis of Heat-Affected Zone in Al2129 and Al2198 Laser Welds 

      Zervaki, A. D.; Haidemenopoulos, G. N.; Lambrakos, S. G. (2013)
      Case study analyses of A12139 and Al2198 laser welds are presented. These analyses demonstrate the concept of constructing parameter spaces for prediction of properties within the heat-affected zone (HAZ) of welds using ...

    • A Numerical Method for Inverse Thermal Analysis of Steady-State Energy Deposition in Plate Structures 

      Lambrakos, S. G.; Zervaki, A. D.; Haidemenopoulos, G. N. (2012)
      A numerical method for inverse thermal analysis of steady-state energy deposition in plate structures is constructed according to the general physical characteristics of energy deposition within a volume of material from ...