Table 4.
Results of the measurement of the three-dimensional (3D) roughness parameters for each sample before removing the multi-plane form.
| Description | Name | Unit | Before Removing Multi-Plane Form—Sample No. | |||||
|---|---|---|---|---|---|---|---|---|
| #1 | #2 | #3 | #4 | #5 | #6 | |||
| Root-mean-square height | Sq | mm | 3.3 | 2.8 | 2.4 | 1.7 | 1.6 | 2.7 |
| Skewness | Ssk | - | 0.1 | −0.4 | −0.1 | 0.1 | 0.1 | 0.1 |
| Kurtosis | Sku | - | 2.7 | 3.0 | 2.6 | 3.0 | 3.0 | 3.0 |
| Maximum peak height | Sp | mm | 10.4 | 11.6 | 11.1 | 7.1 | 6.9 | 10.1 |
| Maximum pit height | Sv | mm | 9.6 | 15.1 | 11.1 | 7.0 | 6.3 | 11.2 |
| Maximum height | Sz | mm | 20.0 | 26.7 | 22.2 | 14.0 | 13.2 | 21.3 |
| Arithmetic mean height | Sa | mm | 2.7 | 2.3 | 1.9 | 1.3 | 1.3 | 2.1 |