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Local Dynamics And Atomic-Level Structures In Metallic Liquids And Glasses, Zengquan Wang
Local Dynamics And Atomic-Level Structures In Metallic Liquids And Glasses, Zengquan Wang
Doctoral Dissertations
Structure and dynamics at the atomic level in metallic glasses and liquids are poorly understood when compared to the crystalline solids. For instance, even though viscosity is the basic property of liquids, its atomistic origin is not well elucidated. Also, the physics of the fragility of liquids and the crossover phenomenon is far from full understanding. Earlier, through molecular dynamics (MD) simulations a direct connection was found between the timescale describing the macroscopic viscous behavior, the Maxwell relaxation time (tM = h/G∞, h is the shear viscosity and G∞ is the high-frequency shear modulus) and …