Research Article

Optimization of Cryogenic Process Parameters for the Minimization of Surface Residual Stress in Pure Iron Using Taguchi Design

Table 2

L9 experimental program.

Exp. no.Tt

1193821.5
21931641.0
31932460.5
4135840.5
51351661.5
61352421.0
777861.0
8771620.5
9772441.5