applications-of-diffusion-coatings-in-engines-iVarious diffusion coatings are used in engine construction,not only for oxidation protection.Corrosion protection on a housing ring madefrom 13% Cr steel Case-hardenedraces of rollerbearings for- Fatigue resistance- Wear resistanceNitrided multiple splining on a power takeoff shaft.Advantages:- Resistant to fretting- High dynamic fatigue strength Oxidation protectionon hot partsABCDCase-hardenedteethCase-hardenedbearing raceand seal ring sliding surface Case-hardenedspliningCase-hardening to improve- Dynamic fatigue strength- Sliding properties- Wear behavior E