Fig. 9: SEM images of the cross-section of the oxidation samples at low and high magnifications.

a SEM images of the cross-section of the wrought sample at low magnifications. b SEM images of the cross-section of the wrought sample at high magnifications. c SEM images of the cross-section of the LPBF sample at low magnifications. d SEM images of the cross-section of the LPBF sample at high magnifications.