Fig. 4: Mechanical response of the Statistically Equivalent Virtual Microstructure (SEVMs) of the bimodal AA7050 microstructures.
a A statistically equivalent bimodal microstructure containing coarse grains (CGs) embedded in the ultra-fine grain (UFG) domain in translucent red, used for calibration, b comparison of the post-calibration stress-strain curve with experiments (the experiment range corresponds to the maximum and minimum stress values that were observed), c different statistical volume elements (SVEs) taken from the SEVM created using the integrated SliceGAN-DREAM.3D platform of the cold spray-formed AA7050 alloy, d comparison of the range of stress-strain response curves generated by different SVEs with the experimental data, as well as the average response; Contour plots of e the stress component σxx in Pa and f effective plastic strain εp for the SVEs v-1 and v-2 at a strain of  ~ 2.1 × 10−2. The simulations are performed with an applied strain rate of \(\dot{\varepsilon }=\)0.001s−1. In b and d, Range refers to the variation of different curves, and Mean refers to the average of the different curves.
