Fig. 2

Secondary electron (SE) images and EPMA elemental mapping of the welding joint: (a) SE images of BM, HAZ, and FZ, (b) EPMA elemental mapping of HAZ, and (c) EPMA elemental mapping of FZ.

Secondary electron (SE) images and EPMA elemental mapping of the welding joint: (a) SE images of BM, HAZ, and FZ, (b) EPMA elemental mapping of HAZ, and (c) EPMA elemental mapping of FZ.