Table 3.

PEO coating crystalline phase content (wt%) evaluated through the X-ray diffractometry.

Sample Code	Crystalline Phase Content in the PEO Coating (wt%)
	t-ZrO2	m-ZrO2
D1	87 ± 2	13 ± 2
D2	87 ± 2	13 ± 2
D3	90 ± 2	10 ± 2
D4	91 ± 2	9 ± 2