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why compressor stage in Ge nuovo pignone gas turbines has different color in rotor/ blade?
for instance for MS5002D i saw blue & brown rotor or blade
just wanted know what is material of this blue or brown coating & if other manufacturer use this material or no??
for instance for MS5002D i saw blue & brown rotor or blade
just wanted know what is material of this blue or brown coating & if other manufacturer use this material or no??