Fig. 4: SEM microstructure images for different locations in Case B.

High magnification images a, b, and c are side views (normal to the scan direction) of the three locations noted in Supplementary Fig. 3. Images d, e, and f show top views (normal to the build direction) of the same locations. g Comparison of computed cooling rate, microstructure, and mechanical properties of different locations in the wall for Case B. Values are tabulated in Supplementary Table 6, normalized by the mean across the three locations. The error bars for primary dendrite arm spacing, UTS, yield stress, failure stress, and modulus give standard deviations of repeated experiments. Cooling rate and volume fractions of Laves phases are calculated based on a single simulation and measurement and therefore have no standard deviation reported. The scale bars in (a–f) are 50 μm.