fig11

Figure 11. Surface morphologies at EPMA of the alloy Pt₈₂Al₁₂Hf₆ after 100 h oxidation in air at 1,300 °C. (A) Surface morphology; (B1)-(B4) Pt, Al, O, and Hf map distribution, respectively; (C) Linear distribution of Pt, Al, O, and Hf. EPMA: Electron probe micro-analyzer.