various effects on their usability. The overheating of the blade material, especially of
uncooled blades constitutes damage that is very difficult to identify and a failure hazard that
is very difficult to classify. The article presents the results of testing of selected factors on the
condition and degradation of heat-resistant coatings (insulation and protective layers) of gas
turbine blades from jet motors for manoeuvring aircraft drive units. The deliberations were …