Research Article
Comparative Experimental Study of Tribo-Mechanical Performance of Low-Temperature PVD Based TiN Coated PRCL Systems for Diesel Engine
Table 6
Surface roughness of cylinder liner samples before and after coating.
| Coating Thickness (μm) | Fine Samples Surface Roughness Before Coating Ra(μm) | Fine Samples Surface Roughness After Coating Ra(μm) | Rough Samples Surface Roughness Before Coating Ra(μm) | Rough Samples Surface Roughness After Coating Ra(μm) |
| 1.920 | 0.21 | 0.19 | 0.41 | 0.40 | 3.523 | 0.22 | 0.18 | 0.39 | 0.36 | 5.120 | 0.23 | 0.18 | 0.42 | 0.37 |
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