Title :
Oxide scale growth on MCrAlY coatings after pulsed electron beam treatment
Author :
Müller, G. ; Schumacher, G. ; Strauss, Dirk ; Zimmermann, F. ; Engelko, V.I.
Author_Institution :
INR, Forschungszentrum Karlsruhe, Germany
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 μm of this area by just one electron beam pulse
Keywords :
aluminium alloys; chromium alloys; cobalt alloys; corrosion protective coatings; corrosion resistance; electron-surface impact; nickel alloys; oxidation; spray coatings; surface treatment; yttrium alloys; 10 cm; CoNiCrAlY; GESA facility; corrosion resistance; low pressure plasma sprayed coatings; oxide scale growth; protective coatings; pulsed electron beam treatment; surface; Coatings; Corrosion; Electron beams; Power generation; Protection; Pulse generation; Surface resistance; Surface treatment; Temperature; Turbines;
Conference_Titel :
High-Power Particle Beams, 1998. BEAMS '98. Proceedings of the 12th International Conference on
Conference_Location :
Haifa
Print_ISBN :
0-7803-4287-9
DOI :
10.1109/BEAMS.1998.817024
