《Table 4 Calculated and experimental elastic constants for point defect structures in B2-Ni Al cryst

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《第一性原理研究点缺陷对B2结构NiAl合金性能的影响（英文）》

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The elastic constants C11，C12，C44，bulk modulus B0，shear modulus G，Poisson’ratioνand Young’s modulus E are shown in Table 4.The data of Ni8Al8，Ni7Al8（Vac Ni），and Ni9Al7（anti Ni），reveals that our calculated results are coincide with other experimental and theoretical analysis[15，17，18，33，34]，with a gap within 10%.Many reasons can account for this point:firstly，the materials of defects were ignored in their theoretical calculations；secondly，the effects of anisotropy on the elastic properties were neglected in experimental investigation.