fig6

Figure 6. Microstructures around a crack tip of PEO-MH for in situ TEM tensile experiment: (A) low-magnification TEM image around a crack tip; (B) high-magnification TEM image at the crack tip; (C) EDS spectrum. PEO: Plasma electrolytic oxidation; MH: microwave hydrothermal; TEM: transmission electron microscopy; EDS: energy dispersive X-ray spectrometry.