Table 6 Values of delta.

From: Study of optimization of process parameters on the wear behaviour of Al7075–aluminium oxide composites using Taguchi approach

Level

Load

Speed

Sliding distance

1

 − 4.137

 − 5.062

 − 9.671

2

 − 4.084

 − 4.397

 − 3.081

3

 − 3.469

 − 2.232

1.063

Delta

0.668

2.830

10.734

Rank

3

2

1

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