DAWN FOR TURBOMACHINE INCLUDING AN ANTI-CORROSION COATING, TURBOMACHINE INCLUDING THE DAWN AND PROCESS FOR DEPOSING THE COATING ON THE DAWN

摘要

Turbomachine blade comprising a blade (12) comprising a superalloy substrate (30) having a profile surface and a blade head surface, the profile surface and the blade head surface having an anti-corrosion coating (36) based of zirconia, an alumina layer (34) being interposed between the substrate (30) and the anti-corrosion coating (36), the anti-corrosion coating (36) having, on the profile surface a maximum thickness less than or equal to 20 µm and a total porosity greater than or equal to 5 vol% and less than or equal to 15 vol%. Turbomachine comprising the blade and method of depositing an anti-corrosion coating (36) on the blade. Figure for the abstract: Fig. 4