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

Author:

Gontcharov Alexandre1,Tian Yuan1,Lowden Paul1,Tollett Robert1,Brochu Mathieu2

Affiliation:

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

2. McGill University, Montreal, QC, Canada

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.

Publisher

American Society of Mechanical Engineers

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