| 摘要 |
<p>A coating system for a superalloy substrate (25) is provided. The coating system comprises an inner coating layer (27), an intermediate coating layer (29) and an outer coating layer (31). The inner coating layer (27) is an aluminide layer, the intermediate coating layer (29) is a diffusion layer comprising Cr, Al, Ni and Co, where the Cr-content is between 15% by weight and 30% by weight, and the outer coating layer (31) is a Cr-free diffusion layer comprising Al and Ni, where the Al-content is between 15% by weight and 30% by weight.</p> |
