Table 5.

Results of the measurement of the 3D roughness parameters for each sample after removing multi-plane form.

Description	Name	Unit	After Removing Multi-Plane Form—Sample No.
			#1	#2	#3	#4	#5	#6
Root-mean-square height	Sq	mm	1.2	1.3	1.0	0.8	0.9	0.9
Skewness	Ssk	-	−0.4	−0.2	−0.4	−0.1	−0.2	−0.1
Kurtosis	Sku	-	3.9	4.9	4.1	3.7	3.8	3.6
Maximum peak height	Sp	mm	4.5	10.3	6.4	4.8	5.3	5.0
Maximum pit height	Sv	mm	6.9	13.1	8.4	5.2	5.9	7.3
Maximum height	Sz	mm	11.4	23.3	14.8	9.9	11.2	12.3
Arithmetic mean height	Sa	mm	1.0	1.0	0.8	0.6	0.7	0.7
Peak material volume	Vmp	ml/m2	53.7	71.6	48.2	40.5	42.0	45.8
Core material volume	Vmc	ml/m2	1064	1046	888	704	752	788
Core void volume	Vvc	ml/m2	1388	1429	1165	949	1003	1061
Dale void volume	Vvv	ml/m2	166	176	143	101	110	112