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. 2021 May 11;13(10):1540. doi: 10.3390/polym13101540

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© 2021 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

PMC Copyright notice

(a) Remaining plastic deformation after load adapted with permission from [46]. 2021 Vu-Quoc; (b) Contact model of Walton and Braun adapted with permission from [24]. 2021 Trippe.