Figure 2

(a,b) optical micrograph of spot welding of Ni-coated MSSs at different magnifications, (c,d) SEM images of weld nugget of Ni-coated MSS spot welds, showing the interface of band zones with the rest of weld nugget.

(a,b) optical micrograph of spot welding of Ni-coated MSSs at different magnifications, (c,d) SEM images of weld nugget of Ni-coated MSS spot welds, showing the interface of band zones with the rest of weld nugget.