Abstract

The pulsed electron beam treatment method was applied to the surface of LPPS-MCrAlY coatings to improve the oxide scale behavior. Such protective coatings are used in advanced stationary and aero gas turbines to increase the corrosion resistance of air foils at high temperature. The electron beam generated by the GESA facility has a diameter of about 10 cm and sufficient power density to melt a surface layer of about 20 /spl mu/m of this area by just one electron beam pulse.

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