Studies on Erosion Behavior of Plasma Sprayed Coatings of Glass Microspheres Premixed with Al₂O₃ Particles

Table 9

Comparison between experimental and predicted values for erosion rat.

Erosion rate (mg kg^−1)		Percentage error
Obtained from experimentation	Obtained from predictive equation
8.56667	9.487	10.743
11.65643	12.139	4.140
14.23695	14.444	1.454
17. 04751	18.114	6.256
13.34126	13.31	0.234
15.56129	13.735	11.736
20.98768	19.56	6.802
18.81183	19.15	1.798
16.23178	16.086	0.898
16.53376	18.111	9.540
17.43003	17.496	0.379
20.46321	20.886	2.066
19.00984	19.282	1.432
19.14336	19.987	4.407
20.44331	20.132	1.523
22.27585	22.202	0.332