Fig. 11: Microstructures of welded joints.

a–c Show the metallographic photos of the welded joints. d–f Show the secondary electron images of the welded joints. g–i Show the backscattered electron images of the welded joints.
a–c Show the metallographic photos of the welded joints. d–f Show the secondary electron images of the welded joints. g–i Show the backscattered electron images of the welded joints.