Airfoil repair: enabling technologies extend life and reduce costs

GTD111 alloy after 24 000 hours of service – aged gamma prime microstructure



  • LIBU_Figure_3b
  • Airfoil repair
  • GTD111 alloy after Liburdi rejuvenation heat treatments - restored micrstructure and properties
  • GTD111 alloy after 24 000 hours of service - aged gamma prime microstructure
  • Alloy strength for service-run GTD111 alloy, compared with new material specs and post-rejuvenation
  • Nozzle segment with structural cracks after 24 000 hours service
  • Nozzle segment after LPM repair, with 24 000 hours of service. It is crack free