fig7

Figure 7. Characterization of heterogeneous deformation induced strengthening through various experimental techniques. (A) Phase map and kernel average misorientation map of electron back scattered diffraction (EBSD) results in the Al₁₉Co₂₀Fe₂₀Ni₄₁ EHEA. Reproduced from Ref.^[173]. CC BY 4.0; (B) bright-field images of transmission electron microscopy (TEM) in the AlCoCrFeNi_2.1 EHEA. Reproduced with permission from Huang et al.^[175]. Copyright 2021, Elsevier; (C) SEM image and (D) strain map of digital image correlation (DIC). A: deformed region; B: large grain; C: small grain; (E and F) loading-unloading-reloading (LUR) curves in the Al_0.2CoCrFeNi₂Ti_0.24 HEA. Reproduced with permission from He et al.^[177]. Copyright 2021, Elsevier.