PROTECTIVE LAYER AGAINST ENVIRONMENTAL INFLUENCES (ENVIRONMENTAL BARRIER) FOR TI-AL MATERIAL

摘要

The present invention relates to a surface coating for protecting substrates with Ti-Al material, preferably comprising one or more of the materials from Table 1, the coating comprising a layer sequence with at least one layer that forms a diffusion barrier for Ti, preferably corresponding to one or more the layer sequences specified in lines in Table 1 and wherein the coating comprises an oxidation barrier tailored to the diffusion barrier, which is preferably coordinated in accordance with Table 2, the surface coating comprising a thermal barrier which is preferably adapted to the oxidation barrier in accordance with Table 3.