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Advanced Welding Materials and Technologies for Repair of Turbine Engine Components Manufactured of High Gamma Prime Nickel Based Superalloys

[+] Author Affiliations
Alexandre Gontcharov, Yuan Tian, Paul Lowden, Robert Tollett

Liburdi Turbine Services, Inc., Dundas, ON, Canada

Mathieu Brochu

McGill University, Montreal, QC, Canada

Paper No. GT2018-75862, pp. V006T24A013; 9 pages
doi:10.1115/GT2018-75862
From:
  • ASME Turbo Expo 2018: Turbomachinery Technical Conference and Exposition
  • Volume 6: Ceramics; Controls, Diagnostics, and Instrumentation; Education; Manufacturing Materials and Metallurgy
  • Oslo, Norway, June 11–15, 2018
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-5112-8
  • Copyright © 2018 by ASME

abstract

The current study reports on modification of conventional welding materials with titanium, boron and silicon to enhance weldability by reducing the solidus temperature and promoting the formation of low temperature eutectics. Melting behavior, weld microstructure, tensile and stress rupture strength are reported for several alloy compositions. Some examples of repairs of IGT and aero HPT blades using the materials and technologies are provided.

Copyright © 2018 by ASME

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