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On the Origin of Plasticity-induced Microstructure Change Under Sliding Contacts by Yilun Xu; Daniel S. Balint; Christian Greiner; Daniele Dini is a Engineering article available to read on EtoBox.

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## Abstract Discrete dislocation plasticity (DDP) calculations are carried out to investigate the response of a single crystal contacted by a rigid sinusoidal asperity under sliding loading conditions to look for causes of microstructure change in the dislocation structure. The mechanistic driver is identified as the development of lattice rotations and stored energy in the subsurface, which can be quantitatively correlated to recent tribological experimental observations. Maps of surface slip initiation and substrate permanent deformation obtained from DDP calculations for varying contact size and normal load suggest ways of optimally tailoring the interface and microstructural material properties for various frictional loads.

Who reads On the Origin of Plasticity-induced Microstructure Change Under Sliding Contacts?

Author

Yilun Xu; Daniel S. Balint; Christian Greiner; Daniele Dini

Publisher

Springer Science and Business Media LLC

Published

2022

Language

EN

Field

Engineering (Physical Sciences)