Figure 1. Scanning and XRD patterns of Cr2AlC.
Figure a) is a scanning image of powder particles, Figure b) is an XRD image of Cr2AlC powder.

Figure 2. Polished cross-sections of sintered composites at different magnifications.
In the above figure, a) is a composite material containing 10wt%; b) is carbon fiber; Figures c) and d) are silicon carbide fibers; Figures e) and f) are overviews and detailed views of alumina fibers.

Figure 4.) Diffraction pattern of Cr2AlC, Al2O3-10, alumina fiber, SiC-10 and silicon carbide fiber.

Figure 5. Application of SNMG-40 film in flexible asymmetric supercapacitors.

As shown in the figure above, you can see the capacitance retention under different bending angles. Insert the above-mentioned device, and the display device can supply power to the LED in the bent state.

Figure 6. Surface and cross section of a) Cr2AlC, b) SiC-10 and c) Al2O3-10 at 1000°C after 50h.

3. Full text summary

The most important result of this research is the oxidation reaction of Al2O3-10 in a realistic oxidizing environment. The protective, well-adhered alumina layer and C fiber formed at 1200°C for 500 cycles survived this test without any damage or visible particle growth. A Cr7C3 layer is formed under the aluminum oxide layer. In general, the results of this experiment are very promising for the further development of ceramic fiber max phase materials.