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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