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On the origin of plasticity-induced microstructure change under sliding contacts

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Title: On the origin of plasticity-induced microstructure change under sliding contacts
Authors: Xu, Y
Balint, D
Greiner, C
Dini, D
Item Type: Journal Article
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.
Editors: Luo, J
Issue Date: 1-Mar-2023
Date of Acceptance: 14-Mar-2022
URI: http://hdl.handle.net/10044/1/96275
DOI: 10.1007/s40544-022-0624-7
ISSN: 2223-7704
Publisher: SpringerOpen
Start Page: 473
End Page: 488
Journal / Book Title: Friction
Volume: 11
Copyright Statement: © The Author(s) 2022. This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.
Online Publication Date: 2022-07-18
Appears in Collections:Mechanical Engineering
Faculty of Natural Sciences
Faculty of Engineering

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