Research on M-Paul Dynamic Constitutive Relation of Q235B Steel

Table 1

Constitutive model and material parameters at yield point at different temperatures.

Constitutive model	Expression	Coefficient and value
J-C model		m = 0.757	σ0 = 244.8 MPa
Paul model		k = 2.071
MJ-C model		F = 1.977
		m = 1.515
M-Paul model		k = 11.066
		m = 2.925