Ex No

Wt%. Reinforcements

(M)

Load (L)

N

Speed (S)

rpm

Specific wear rate (SWR)

(mm³ × 10⁻⁵/Nm)

S/N Ratio

SWR

1

2

10

600

8.10000

−18.1697

2

2

20

1200

4.32676

−12.7232

3

2

30

1500

4.17243

−12.4078

4

4

10

1200

4.60780

−13.2699

5

4

20

1500

4.10000

−12.2557

6

4

30

600

3.91992

−11.8655

7

6

10

1500

3.71858

−11.4075

8

6

20

600

4.30000

−12.6694

9

6

30

1200

2.00000

−6.02060