The effects of cooling rate on particle rearrangement statistics: Rapidly cooled glasses are more ductile and less reversible

Abstract

Amorphous solids, such as metallic, polymeric, and colloidal glasses, display complex spatiotemporal response to applied deformations. In contrast to crystalline solids, during loading, amorphous solids exhibit a smooth crossover from elastic response to plastic flow. In this study, we investigate the mechanical response of binary Lennard-Jones glasses to athermal, quasistatic pure shear as a function of the cooling rate used to prepare them. We find several key results concerning the connection between strain-induced particle rearrangements and mechanical response. We show that more rapidly cooled glasses undergo more frequent and larger particle rearrangements than slowly cooled glasses. We find that the ratio of the shear to bulk moduli decreases with increasing cooling rate, which suggests that more rapidly cooled glasses are more ductile than slowly cooled samples. In addition, we characterized the degree of reversibility of particle motion during cyclic shear. We find that irreversible particle motion occurs even in the putative linear regime of stress versus strain. However, slowly cooled glasses, which undergo smaller rearrangements, are more reversible under cyclic shear than rapidly cooled glasses. Thus, we show that more ductile glasses are also less reversible.

arXiv comment6 pages, 5 figures

References in corpus (18)

• Dynamics of Viscoplastic Deformation in Amorphous Solids
• Testing Mode-Coupling Theory for a Supercooled Binary Lennard-Jones Mixture I: The van Hove Correlation Function
• Amorphous Systems in Athermal, Quasistatic Shear
• Deformation and Failure of Amorphous Solidlike Materials
• Subextensive Scaling in the Athermal, Quasistatic Limit of Amorphous Matter in Plastic Shear Flow
• Shear-transformation-zone theory of plastic deformation near the glass transition
• The potential energy landscape of a model glass former: thermodynamics, anharmonicities, and finite size effects
• Statistical Physics of the Yielding Transition in Amorphous Solids
• Onset of Irreversibility and Chaos in Amorphous Solids Under Periodic Shear
• Persistent memory in athermal systems in deformable energy landscapes
• Macroscopic yielding in jammed solids is accompanied by a non-equilibrium first-order transition in particle trajectories
• Locality and Non-locality in Elasto-plastic Responses of Amorphous Solids
• Athermal Shear-Transformation-Zone Theory of Amorphous Plastic Deformation I: Basic Principles
• Reversible plastic events during oscillatory deformation of amorphous solids
• Particle-scale reversibility in athermal particulate media below jamming
• Stochastic Approach to Plasticity and Yield in Amorphous Solids
• The cooling rate dependence of the shear modulus of amorphous solids
• Shear Transformation Zones: State Determined or Protocol Dependent?

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