Abstract
A high-throughput, non-destructive photostimulated luminescence spectroscopy (PSLS) technique was used to analyze fifty oxidized Co-based γ/γ′ alloy samples for the presence of α-Al2O3. Alloys were produced by combinatorial ion-plasma deposition, and oxidation was performed at 1100 °C for 1 h in air. PSLS measurements are compared with microscopy of oxides in cross-section to relate the presence of the luminescence signal of α-Al2O3 with the thickness of the oxide scale. Analysis of the current dataset validates the use of PSLS as a rapid screening technique of oxidation behavior for the present materials system.
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