Investigation into CO2 laser cleaning of titanium alloys for gas-turbine component manufacture

M. W. Turner, P. L. Crouse, L. Li, A. J E Smith

Research output: Contribution to journalArticlepeer-review

Abstract

This paper reports results of the investigation into the feasibility of using a CO2 laser technology to perform critical cleaning of gas-turbine aero-engine components for manufacture. It reports the results of recent trials and relates these to a thermal model of the cleaning mechanisms, and describes resultant component integrity. The paper defines the experimental conditions for the laser cleaning of various aerospace-grade contaminated titanium alloys, using a continuous wave CO2 laser. Laser cleaning of Ti64 proved successful for electron beam welding, but not for the more sensitive Ti6246. For diffusion bonding the trials produced a defective standard of joint. Effects of oxide formation is modelled and examined experimentally. © 2005 Elsevier B.V. All rights reserved.
Original languageEnglish
Pages (from-to)4798-4802
Number of pages4
JournalApplied Surface Science
Volume252
Issue number13
DOIs
Publication statusPublished - 30 Apr 2006

Keywords

  • Cleaning
  • Joining
  • Laser
  • Titanium

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