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. 2021 Oct 8;14(19):5887. doi: 10.3390/ma14195887

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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/).

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The effect of the drawbead height on the value of COF for specimens cut transverse to the RD (orientation 90°): (a) dry friction, (b) LAN-46 oil lubrication, (c) HD 1150 compound lubrication.