failure-mechanisms-by-operation-loadsConsideration of failure mechanisms under broadoperating loads995°C905°C812°C767°C707°C667°Cparabolischlinear590°C512°Ckubisch405°C1 10 100 1000 [min]1 10 [h]TimeWeight increase [mg/cm2] (coating thickness TiO2 [µm]) 10 (25) 1.0 (2.5) 0.1(0.25) 0.010.001Temperature [°C]450 500Increasing sensitivity tostress corrosion cracking through hot saltAbove 500 °C, titanium alloys are at especially highrisk of corrosion through sea salt The rapid formation of oxide coatings at temperatures above 500 °C must be considered when dealing with titanium alloys.Danger of dynamicfatigue cracks dueto decreases infatigue strengthBrittle oxide coating with cracks, e.g.through local plastic deromations under LCF loads