The isothermal and thermocyclic oxidation behavior of various advanced single-crystal and directionally solidified superalloys in flowing air at a temperature of 2000 F (1093 C) has been studied. The experimental methods included thermogravimetric measurements of oxidation rates and examination of the reacted specimens by x-ray diffraction (XRD), optical metallography, and scanning electron microscopy (SEM). The oxidation mechanisms of the alloys are discussed.

Subject
Nickel based alloys, Aluminum, Weight change, Constants, Oxide scales, Superalloys, Scale formation, Scale, Elements, Aluminum alloys, Titanium alloys, Alloys, Oxidation
National Association of Corrosion Engineers
1986
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