金属玻璃结构及其失稳的原子层次研究

管鹏飞, 孙胜君

Atomic-Level Study in the Structure and Its Instability of Metallic Glasses

GUAN Pengfei, SUN Shengjun

图6 不同制备条件下获得的Cu₅₀Zr₅₀金属玻璃样品能量损耗特征与微观动力学属性之间的普适关系，即未约化与约化后损耗模量与非Gaussian参量之间的关系^[64]
(a) the data of

α_{2}

E_{}^{″}

(b) the normalized

α_{2}

vs normalized

E_{}^{″}

Fig.6 The universal link between $E_{}^{″}$ and the non-Gaussian parameter $α_{2}$ of Cu₅₀Zr₅₀ metallic glasses under different quenched conditions (t_p—the time interval of the dynamic mechanical spectroscopy simulations, subscript “peak” indicates the value of α₂ or $E_{}^{″}$ at the peak positions in Fig.6a)^[64]