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![A critical review of the mechanical properties of CoCrNi-based medium-entropy alloys](https://image.oaes.cc/1e95a9fb-9da5-4418-9999-d6f7f3e5e261/4528.fig.16.jpg)
Figure 16. TEM micrographs showing the different characteristics of (A-C) CoCrNi, (D-F) CoCrNiSi0.2 and (G-I) CoCrNiSi0.3 MEAs at the fracture strain. (A), (B), (D) and (G) Bright-field images representing the main micromorphological characteristics and dislocation cells. (E) Bright-field images of multiple twinning in the alloys. (H) Corresponding higher magnification image representing multiple twinning in the yellow rectangular area of (G). (C), (F) and (I) Bright-field images of twin bundles with their corresponding selected area electron diffraction patterns inserted[60].