Molecular Coverage Determines Sliding Wear Behavior of n-Octadecylphosphonic Acid Functionalized Cu–O Coated Steel Disks against Aluminum

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Molecular Coverage Determines Sliding Wear Behavior of n-Octadecylphosphonic Acid Functionalized Cu–O Coated Steel Disks against Aluminum. / Prünte, Stephan; Music, Denis; Terziyska, Velislava; Mitterer, Christian; Schneider, Jochen M.

In: Materials, Vol. 13.2020, No. 2, 280, 01.01.2020.

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@article{f45574f5748943a4b596f94908120efb,
title = "Molecular Coverage Determines Sliding Wear Behavior of n-Octadecylphosphonic Acid Functionalized Cu–O Coated Steel Disks against Aluminum",
abstract = "The sliding wear behavior of Cu-O coated steel disks functionalized with n-octadecylphosphonic acids was evaluated against aluminum in ball-on-disk tribometer experiments. After 5 m of sliding the friction coefficient of the functionalized sample with maximum molecular coverage is ≤0.3 ± 0.1. Surfaces with lower coverage mitigate friction and wear as well exhibiting initially similar low friction coefficients but reveal the breakdown of lubrication for sliding distances <5 m. The length of the low friction sliding distance before breakdown scales with the coverage of n-octadecylphosphonic acids on the Cu-O surface. Coverage hence determines the tribological behavior of the functionalized surface against sliding aluminum. As the coverage is increased, detrimental asperity contacts between the rubbing surfaces are reduced.",
author = "Stephan Pr{\"u}nte and Denis Music and Velislava Terziyska and Christian Mitterer and Schneider, {Jochen M.}",
note = "Publisher Copyright: {\textcopyright} 2020 by the authors.",
year = "2020",
month = jan,
day = "1",
doi = "10.3390/ma13020280",
language = "English",
volume = "13.2020",
journal = "Materials",
issn = "1996-1944",
publisher = "Multidisciplinary Digital Publishing Institute (MDPI)",
number = "2",

}

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TY - JOUR

T1 - Molecular Coverage Determines Sliding Wear Behavior of n-Octadecylphosphonic Acid Functionalized Cu–O Coated Steel Disks against Aluminum

AU - Prünte, Stephan

AU - Music, Denis

AU - Terziyska, Velislava

AU - Mitterer, Christian

AU - Schneider, Jochen M.

N1 - Publisher Copyright: © 2020 by the authors.

PY - 2020/1/1

Y1 - 2020/1/1

N2 - The sliding wear behavior of Cu-O coated steel disks functionalized with n-octadecylphosphonic acids was evaluated against aluminum in ball-on-disk tribometer experiments. After 5 m of sliding the friction coefficient of the functionalized sample with maximum molecular coverage is ≤0.3 ± 0.1. Surfaces with lower coverage mitigate friction and wear as well exhibiting initially similar low friction coefficients but reveal the breakdown of lubrication for sliding distances <5 m. The length of the low friction sliding distance before breakdown scales with the coverage of n-octadecylphosphonic acids on the Cu-O surface. Coverage hence determines the tribological behavior of the functionalized surface against sliding aluminum. As the coverage is increased, detrimental asperity contacts between the rubbing surfaces are reduced.

AB - The sliding wear behavior of Cu-O coated steel disks functionalized with n-octadecylphosphonic acids was evaluated against aluminum in ball-on-disk tribometer experiments. After 5 m of sliding the friction coefficient of the functionalized sample with maximum molecular coverage is ≤0.3 ± 0.1. Surfaces with lower coverage mitigate friction and wear as well exhibiting initially similar low friction coefficients but reveal the breakdown of lubrication for sliding distances <5 m. The length of the low friction sliding distance before breakdown scales with the coverage of n-octadecylphosphonic acids on the Cu-O surface. Coverage hence determines the tribological behavior of the functionalized surface against sliding aluminum. As the coverage is increased, detrimental asperity contacts between the rubbing surfaces are reduced.

UR - http://www.scopus.com/inward/record.url?scp=85079793789&partnerID=8YFLogxK

U2 - 10.3390/ma13020280

DO - 10.3390/ma13020280

M3 - Article

VL - 13.2020

JO - Materials

JF - Materials

SN - 1996-1944

IS - 2

M1 - 280

ER -