Dry Sliding Wear Behaviour of Titanium (Grade 5) Alloy by Using Response Surface Methodology

Table 3

Design layout matrix and experimental results.

Run	Sliding speed (rev/min)	Applied normal load (N)	Sliding distance (m)	Response
				Specific wear rate × 10^−1 (mm^3/Nm)
1	400	50	1500	2.34
2	200	50	2000	2.12
3	400	70	1500	2.84
4	400	70	1500	2.85
5	400	90	1500	2.99
6	600	50	1000	2.32
7	400	70	2000	2.55
8	600	70	1500	2.88
9	600	90	1000	2.87
10	200	90	2000	2.88
11	400	70	1500	2.81
12	200	70	1500	2.86
13	200	90	1000	2.97
14	400	70	1500	2.82
15	400	70	1500	2.82
16	400	70	1500	2.83
17	600	50	2000	2.08
18	400	70	1000	2.68
19	600	90	2000	2.78
20	200	50	1000	2.25