Study on Coercivity-Stress Relationship of X80 Steel under Biaxial Stress

Table 2

fitting formula under different σ_x of test piece 2.

(MPa)
= 0	= 0.36 + 1072.4	= 0.45 + 1082.7
= 120	= 0.50 + 997.1	= 0.52 + 1120.5
= 240	= 0.39 + 979.4	= 0.49 + 1147.7