Superalloy component, which comprises an aluminide coating, which comprises three layers

摘要

A slurry composition for aluminising a superalloy component is provided, wherein the slurry comprises an organic binder and a solid content including aluminium and optionally silicon. The slurry further comprises hafnium and/or yttrium. In addition, a superalloy component (1) is provided which comprises one, two or three aluminide coatings. The coating material comprises at least one layer (3) which comprises hafnium and/or yttrium in addition to aluminium.