Fig. 7: Microstructures of the three novel alloys (S1-POI, S2-POI, and S3-POI).

Optical microstructure images of alloys: (a) S1-POI, (c) S2-POI and (e) S3-POI; Backscattered electron (BSE) images of alloys: (b) S1-POI, (d) S2-POI and (f) S3-POI.
Optical microstructure images of alloys: (a) S1-POI, (c) S2-POI and (e) S3-POI; Backscattered electron (BSE) images of alloys: (b) S1-POI, (d) S2-POI and (f) S3-POI.