Table 3: Measured values and S/N ratios for wear rate of composites.

Exp. no.FactorsWear rate
Fly ash content (wt.%) (A)Applied load (N) (B)Sliding speed (m/s) (C)Measured value (μm)Signal/noise ratio

11050.585−38.5884
21050.7579−37.9525
3105172−37.1466
410100.594−39.4626
510100.7588−38.8897
61010182−38.2763
710150.5105−40.4238
810150.75108−40.6685
910151112−40.9844
101550.567−36.5215
111550.7564−36.1236
12155156−34.9638
1315100.580−38.0618
1415100.7574−37.3846
151510167−36.5215
1615150.586−38.6900
1715150.7589−38.9878
181515192−39.2758
192050.555−34.8073
202050.7551−34.1514
21205149−33.8039
2220100.567−36.5215
2320100.7561−35.7066
242010156−34.9638
2520150.577−37.7298
2620150.7573−37.2665
272015170−36.9020