Frictional properties of self-adaptive chromium doped tungsten-sulfur-carbon coatings at nanoscale

J. Zekonyte; A. Cavaleiro; T. Polcar

doi:10.1016/j.apsusc.2014.03.010

Frictional properties of self-adaptive chromium doped tungsten-sulfur-carbon coatings at nanoscale

J. Zekonyte, A. Cavaleiro, T. Polcar

Research output: Contribution to journal › Article › peer-review

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Abstract

Transition metal dichalcogenides (TMD) are excellent dry lubricants forming thin (∼10 nm) tribolayer that simultaneously protects the coating from environmental attack and provides low friction. In this paper, we focus on nanoscale frictional properties of chromium doped tungsten–sulfur–carbon (WSC–Cr) coatings with various Cr content. Friction force microscopy was used to investigate friction force as a function of load. A non-linear contact area dependence on the normal force was observed. The calculated interfacial shear strength was relatively low in the region of 70–99 MPa. Friction coefficient decreased with increased applied load independently of chromium content in the coatings.

Original language	English
Pages (from-to)	381-387
Journal	Applied Surface Science
Volume	303
Early online date	12 Mar 2014
DOIs	https://doi.org/10.1016/j.apsusc.2014.03.010
Publication status	Published - 1 Jun 2014

Keywords

Atomic force microscopy
Friction force microscopy
Nanoscale friction
Magnetron sputtering
WSC/Cr

Access to Document

10.1016/j.apsusc.2014.03.010

APSUSC-D-13-06890R1_AAM_zekonyte
“NOTICE: this is the author’s version of a work that was accepted for publication in Applied Surface Science. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Applied Surface Science, [303, (June 2014)] 10.1016/j.apsusc.2014.03.010¨
Accepted author manuscript (Post-print), 1.48 MBLicence: CC BY

http://www.sciencedirect.com/science/article/pii/S0169433214005248

12 Citations
1 Article

Friction force microscopy analysis of self-adaptive W-S-C coatings: nanoscale friction and wear
Zekonyte, J. & Polcar, T., 4 Sept 2015, In: ACS Applied Materials & Interfaces. 7, 38, p. 21056-21064
Research output: Contribution to journal › Article › peer-review

Open Access
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1 Invited talk

Invited talk at Nanobruken 2022 Conference
Jurgita Zekonyte (Speaker)
9 Jun 2022
Activity: Talk or presentation types › Invited talk

Cite this

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title = "Frictional properties of self-adaptive chromium doped tungsten-sulfur-carbon coatings at nanoscale",

abstract = "Transition metal dichalcogenides (TMD) are excellent dry lubricants forming thin (∼10 nm) tribolayer that simultaneously protects the coating from environmental attack and provides low friction. In this paper, we focus on nanoscale frictional properties of chromium doped tungsten–sulfur–carbon (WSC–Cr) coatings with various Cr content. Friction force microscopy was used to investigate friction force as a function of load. A non-linear contact area dependence on the normal force was observed. The calculated interfacial shear strength was relatively low in the region of 70–99 MPa. Friction coefficient decreased with increased applied load independently of chromium content in the coatings.",

keywords = "Atomic force microscopy, Friction force microscopy, Nanoscale friction, Magnetron sputtering, WSC/Cr",

author = "J. Zekonyte and A. Cavaleiro and T. Polcar",

note = "“NOTICE: this is the author{\textquoteright}s version of a work that was accepted for publication in Applied Surface Science. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Applied Surface Science, [303, (June 2014)] 10.1016/j.apsusc.2014.03.010¨",

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AU - Zekonyte, J.

AU - Cavaleiro, A.

AU - Polcar, T.

N1 - “NOTICE: this is the author’s version of a work that was accepted for publication in Applied Surface Science. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Applied Surface Science, [303, (June 2014)] 10.1016/j.apsusc.2014.03.010¨

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N2 - Transition metal dichalcogenides (TMD) are excellent dry lubricants forming thin (∼10 nm) tribolayer that simultaneously protects the coating from environmental attack and provides low friction. In this paper, we focus on nanoscale frictional properties of chromium doped tungsten–sulfur–carbon (WSC–Cr) coatings with various Cr content. Friction force microscopy was used to investigate friction force as a function of load. A non-linear contact area dependence on the normal force was observed. The calculated interfacial shear strength was relatively low in the region of 70–99 MPa. Friction coefficient decreased with increased applied load independently of chromium content in the coatings.

AB - Transition metal dichalcogenides (TMD) are excellent dry lubricants forming thin (∼10 nm) tribolayer that simultaneously protects the coating from environmental attack and provides low friction. In this paper, we focus on nanoscale frictional properties of chromium doped tungsten–sulfur–carbon (WSC–Cr) coatings with various Cr content. Friction force microscopy was used to investigate friction force as a function of load. A non-linear contact area dependence on the normal force was observed. The calculated interfacial shear strength was relatively low in the region of 70–99 MPa. Friction coefficient decreased with increased applied load independently of chromium content in the coatings.

KW - Atomic force microscopy

KW - Friction force microscopy

KW - Nanoscale friction

KW - Magnetron sputtering

KW - WSC/Cr

U2 - 10.1016/j.apsusc.2014.03.010

DO - 10.1016/j.apsusc.2014.03.010

M3 - Article

SN - 0169-4332

VL - 303

SP - 381

EP - 387

JO - Applied Surface Science

JF - Applied Surface Science

ER -

Frictional properties of self-adaptive chromium doped tungsten-sulfur-carbon coatings at nanoscale

Abstract

Keywords

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Research output

Friction force microscopy analysis of self-adaptive W-S-C coatings: nanoscale friction and wear

Activities

Invited talk at Nanobruken 2022 Conference

Cite this