Fig. 5: SEM-EDX analysis of cross-section.

Scanning area of a blank and k treated sample; cross-section mass fraction of elements of b blank and l treated sample; EDX results of c–f blank and g–j treated sample.

Scanning area of a blank and k treated sample; cross-section mass fraction of elements of b blank and l treated sample; EDX results of c–f blank and g–j treated sample.