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Life Extension of GT HGP Components by Recycling

[+] Author Affiliations
Jung-Ho Lee

P. C. Engineering Company, Seoul, Korea

Paper No. 2000-GT-0184, pp. V003T02A007; 8 pages
  • ASME Turbo Expo 2000: Power for Land, Sea, and Air
  • Volume 3: Heat Transfer; Electric Power; Industrial and Cogeneration
  • Munich, Germany, May 8–11, 2000
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7856-9
  • Copyright © 2000 by ASME


The life of hot gas path (HGP) components in gas turbine units can be extended through regular recycling. It is important to control the degradation of components under a limiting level by repairing on a regular basis and reusing them by recycling successively. Recycling mechanism of the first stage turbine blades is developed by investigating the characteristics of their typical degradations, repairability criteria, repair techniques, optimum timings of repair and economic evaluation model.

Copyright © 2000 by ASME



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