Laser Treatment for Strengthening of Thin Sheet Steel

Table 9

Chemical compositions (by energy-dispersive X-ray spectroscopy analysis) of regions 1 and 2, Figure 9(a).

Region	Chemical elements (wt.%)
	C	Fe	Si	Mn	Other
Area treated by laser	3.52	95.20	0.33	0.39	0.56
Basic metal	2.31	96.50	0.33	0.40	0.46