Table 4.

Depth of the hybrid coating and zinc layer and thicknesses obtained for each sample.

Samples	Number of Layers	Depth/μm (Zn Layer)	Depth a/μm (Hybrid + Zn Layer)	Hybrid Thickness/μm (Hybrid + Zn Layer − Zn Layer)
Control	-	19	-	-
U(600):3.45TEOS	1	-	21	2
	3		25	4
U(900):3.45TEOS	1	-	23	4
	3		27	8
U(2000):3.45TEOS	1	-	28	9
	3		30	11

^a Hybrid thickness obtained according to ISO 16962:2005(E).