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

Table 8

Measuring conditions of X-ray equipment.

Item	Value
Characteristics X-ray	CrK
Diffraction line	211
Crystal structure	B.C.C
Tube voltage (kV)	30
Tube current (mA)	0.1
X-ray incident angle, (deg)	35
Young’s modulus E (GPa)	224
Poisson’s ratio	0.28
Diffraction angle (deg)	156.396