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无序β-Ti1-xNbx合金自由能及弹性性质的第一性原理计算:特殊准无序结构和相干势近似的比较
张海军1,2, 邱实3, 孙志梅3, 胡青苗1(), 杨锐1
First-Principles Study on Free Energy and Elastic Properties of Disordered β-Ti1-xNbx Alloy: Comparison Between SQS and CPA
ZHANG Haijun1,2, QIU Shi3, SUN Zhimei3, HU Qingmiao1(), YANG Rui1

图3. 不同温度下β-Ti1-xNbx合金的Gibbs自由能(ΔG)随Nb含量的变化及相图

Fig.3. Gibbs free energy (ΔG) (a) and phase diagram (b) of β-Ti1-xNbx alloys as functions of compos-ition and temperature