Plasma Spraying and Characterization of Tungsten Carbide-Cobalt Coatings by the Water-Stabilized System WSP

Table 2

Surface roughness of WC-based coatings.

Sample	Ra [𝜇m]	St. Dev. [𝜇m]	Rymax [𝜇m]	Std. Dev. [𝜇m]
WC-17Co 70–350	18.3	0.8	137.2	11.8
WC-17Co 70–450	14.5	0.5	120.7	10.6
WC-17Co 85–350	16.9	0.9	132.7	16.2
WC-17Co 85–450	13.5	2.1	116.4	18.9
WC-17Co 100–350	15.5	1.1	115.5	15.5
WC-17Co 100–450	15.3	0.7	116.6	12.9
WC-8Co	9.4	0.6	70.0	3.8
WC-Ni	15.2	0.5	108.7	9.5
WC-17Co 115–350	29.2	3.9	183.9	25.9
WC-17Co 115–300	26.1	1.0	167.0	16.4