Research on Numerical Simulation of Tantalum Explosively Formed Projectile Forming Driven by Detonation

Figure 8

Stress-strain relationship of tantalum under different JC parameters. (a) Strain rate is 0.001/s at room temperature. (b) Strain rate is 7000/s at room temperature. (c) Strain rate is 7000/s at high temperature. (d) Strain rate is 0.001/s at high temperature.

(a)

(b)

(c)

(d)