Research Article
Dry Sliding Wear Behaviour of Titanium (Grade 5) Alloy by Using Response Surface Methodology
Table 2
Design layout of independent variables and their levels.
| Variables | Units | Low level (−1) | Medium level (0) | High level (+1) |
| Sliding speed () | Rev/min | 200 | 400 | 600 | Applied normal load () | N | 50 | 70 | 90 | Sliding distance () | m | 1000 | 1500 | 2000 |
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