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1 Journal of Achievements in Materials and Manufacturing Engineering

1 2011

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Laser repair hardfacing of titanium alloy turbine

Klimpel A., Janicki D., Lisiecki A., Rzeźnikiewicz A.

Journal of Achievements in Materials and Manufacturing Engineering

2011

Vol. 49, nr 2

400--411

Purpose: of this paper: work out repair technology of worn abutments of aircraft jet engine blades forged of titanium alloy WT3-1. Design/methodology/approach: The study were based on the analysis of laser HPDL powder surfacing of titanium alloy plates using wide range chemical composition consumables of titanium alloys and mixtures of pure titanium and spherical powder of WC indicated that very hard and highest quality deposits are provided by powder mixture of 40-50%Ti+60-50%WC. Findings: It was found that it is possible to achieve high quality deposits, free of any defects. HPDL technology can be used to repair worn turbine blade. Research limitations/implications: It was found that it is possible to repair the worn areas abutments of blades of zero compression stage of aircraft engine turbine by HPDL laser surfacing with using composite powder mixture of 50%Ti+50%WC as an additional material. Practical implications: The technology can be applied for repair worn abutments of aircraft jet engine blades. Originality/value: Repairing worn abutments of aircraft jet engine blades.