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Preliminary study into the effects of YAG laser processing of titanium 6Al-4V alloy for potential aerospace component cleaning application
Turner, MW; Schmidt, Marc; Li, Lin
Applied Surface Science. 2005;247:623-630.
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Abstract
This paper outlines some essential gas turbine aeroengine component manufacture cleaning requirements. It describes the preliminary results of work conducted into the effects of laser processing Ti-6A-4V alloy for cleaning of aerospace components, including determination of the melt and surface coupling thresholds for the Nd:YAG (lambda = 1.064 mu m) system in use. The results of laser processing as a preparation for electron beam welding and diffusion bonding are presented. Finally, the direction of future work towards the development of an effective process for laser cleaning titanium aero-engine components is discussed. The results demonstrated the sensitivity of the system in use to gaseous contamination, producing acceptable electron beam welded joints, but unacceptable diffusion bonded joints.
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