A Constitutive Model for Superelastic Shape Memory Alloys Considering the Influence of Strain Rate

Table 2

Comparisons of the model predictions and experiments for varying loading rates: fixed peak strain.

Strain rate (m/m/s)	Energy dissipation per cycle (MJ/m^3/cycle)			Tensile stress at peak strain (GPa)			Equivalent viscous damping (%)
	Experimental data	Numerical results	Difference	Experimental data	Numerical results	Difference	Experimental data	Numerical results	Difference
5.0×10^−4	6.99	6.64	4.93%	400.5	409.07	−2.14%	6.94	6.46	6.93%
1.0×10^−3	7.45	6.94	6.89%	414.5	431.14	−4.01%	7.16	6.41	9.36%
2.5×10^−3	7.70	7.33	4.88%	453.8	460.32	−1.44%	6.84	6.34	7.39%
5.0×10^−3	7.75	7.62	1.60%	464.2	482.39	−3.92%	6.75	6.29	6.74%