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

Figure 2

The strain-energy relations for Mg. The hollow circle denotes the results of DFT results; solid lines represent the curves obtained from nonlinear elasticity theory; dashed lines indicate the curves obtained from linear elasticity. (a–j) Lagrangian strains , and respectively.

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