fig10

Figure 10. Tensile properties of straight grain boundary (STG)-MNiHEA and SEG-MNiHEA samples at (A) room temperature and (B) 1000 °C. Microstructures of fracture surfaces in STG-MNiHEA and SEG-MNiHEA tensioned at 1000 °C: (C and G) scanning electron microscopy images; (D and H) EBSD band contrast maps; (E and I) inverse pole figure map; (F and J) Kernal-angle misorientation maps (Reproduced with permission^[75]. Copyright 2021, Elsevier).