A laser cladding process has been successfully developed, qualified and implemented into production for hardfacing shrouded turbine engine blades. These nickel base superalloy hot section blades were hardfaced with a cobalt base filler metal. The process, employing dynamic powder feeding as a means of introducing filler metal to the substrate, offers significant advantages over conventional welding processes including: low heat input, limited dilution, improved metallurgical quality and uniform, near-net-shape build-ups.
Development of a Laser Cladding Process for Shrouded Turbine Blades
Sae Technical Papers
Aerospace Technology Conference and Exposition ; 1989
01.09.1989
Aufsatz (Konferenz)
Englisch
Metals , Welding , Production , Metallurgy , Nickel , Lasers
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