title: Atomistic Origin of Rate-Dependent Serrated Plastic Flow in Metallic Glasses.
abstract: Nanoindentation simulations on a binary metallic glass were performed under various strain rates by using molecular dynamics. The rate-dependent serrated plastic flow was clearly observed, and the spatiotemporal behavior of its underlying irreversible atomic rearrangement was probed. Our findings clearly validate that the serration is a temporally inhomogeneous characteristic of such rearrangements and not directly dependent on the resultant shear-banding spatiality. The unique spatiotemporal distribution of shear banding during nanoindentation is highlighted in terms of the potential energy landscape (PEL) theory.
authors.forename: S Y
authors.initials: SY
authors.lastname: Jiang
authors.forename: M Q
authors.initials: MQ
authors.lastname: Jiang
authors.forename: L H
authors.initials: LH
authors.lastname: Dai
authors.forename: Y G
authors.initials: YG
authors.lastname: Yao