... 力常数模型(force constant model) 壳模型(shell model) 键模型(bond model) ...
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For laves phase Nb-Cr-Ti system, the linear model is the best when the composition of Cr is fixed to 67at%,and if the composition of Cr fluctuates from 67at%,there is the best result when use the force constant model.
对Nb-Cr-Ti,当Cr取值67at%,采用线性模型所得计算结果与实验数据最吻合,当Cr取值在67at%上下波动时,采用忽略结构差异的力常数模型计算结果更接近实验数据。
参考来源 - 金属材料体弹性模量的半经验模型研究·2,447,543篇论文数据,部分数据来源于NoteExpress
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