First-Principles Calculations to Investigate the Third-Order Elastic Constants and Mechanical Properties of Mg, Be, Ti, Zn, Zr, and Cd

Figure 3

Elastic anisotropy factors varied with the applied pressures. (a–d) describe , , , and respectively. The five-pointed star, triangle-right, circle, triangle-up, diamond and square represent Mg, Be, Ti, Zn, Zr and Cd respectively.

(a)

(b)

(c)

(d)