fig12

Figure 12. Cross-sectional morphologies and distribution of elements from EPMA EPMA mapping images Pt₈₂Al₁₂Hf₆ after 100 h oxidation in air at 1,300 °C. (A) Cross-sectional 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.