Shear-induced structural changes and origin of ultralow friction of hydrogenated diamond-like carbon (DLC) in dry environment

P Manimunda, A Al-Azizi, SH Kim… - ACS applied materials …, 2017 - ACS Publications
The origins of run-in and ultralow friction states of a sliding contact of hydrogenated diamond-
like carbon (H-DLC) and sapphire were studied with an in situ Raman tribometer as well as …

Atomic-scale insights into the interfacial instability of superlubricity in hydrogenated amorphous carbon films

X Chen, X Yin, W Qi, C Zhang, J Choi, S Wu… - Science …, 2020 - science.org
The origin of instability or even disappearance of the superlubricity state in hydrogenated
amorphous carbon (aC: H) film in the presence of oxygen or water molecules is still …

Synthesis and comprehensive synchrotron-based structural analysis of Si-doped nanodiamond composite films deposited on cemented carbide

M Egiza, AM Ali, MR Diab, N Hemaya… - Surface and Coatings …, 2023 - Elsevier
Si-doped nanodiamond composite (NDC) films were deposited on unheated WC− Co
substrates by coaxial arc plasma deposition for advanced cutting tools applications. The …

Durable superlubricity of hydrogenated diamond-like carbon film against different friction pairs depending on their interfacial interaction

Y Liu, Y Jiang, J Sun, L Wang, Y Liu, L Chen… - Applied Surface …, 2021 - Elsevier
Superlubricity of hydrogenated diamond-like carbon (H-DLC) film in vacuum was achieved
against four different friction pairs (ZrO 2, Al 2 O 3, Si 3 N 4 and SiC) due to the formation of …

Possible origin of D-and G-band features in Raman spectra of tribofilms

YS Li, S Jang, AM Khan, TV Martin, AL Ogrinc… - Tribology Letters, 2023 - Springer
In the Raman analysis of tribofilms produced from organic precursors, the D-and G-band
features are often observed, which resemble the characteristic bands of diamond-like …

Friction coefficient dependence on electrostatic tribocharging

TAL Burgo, CA Silva, LBS Balestrin, F Galembeck - Scientific reports, 2013 - nature.com
Friction between dielectric surfaces produces patterns of fixed, stable electric charges that in
turn contribute electrostatic components to surface interactions between the contacting …

Vapors in the ambient—A complication in tribological studies or an engineering solution of tribological problems?

A Alazizi, AJ Barthel, ND Surdyka, J Luo, SH Kim - Friction, 2015 - Springer
Tribology involves not only two-body contacts of two solid materials—a substrate and a
counter-surface; it often involves three-body contacts whether the third body is intentionally …

Atomic-scale friction in graphene oxide: An interfacial interaction perspective from first-principles calculations

LF Wang, TB Ma, YZ Hu, H Wang - Physical Review B—Condensed Matter and …, 2012 - APS
Atomic-scale friction in graphene oxide is investigated using density functional theory
calculation including a long-range dispersion correction (DFT-D). The sliding behaviors …

Origin of superlubricity in aC: H: Si films: a relation to film bonding structure and environmental molecular characteristic

X Chen, T Kato, M Nosaka - ACS Applied Materials & Interfaces, 2014 - ACS Publications
Superlubricity of Si-containing hydrogenated amorphous carbon (aC: H: Si) films has been
systematically investigated in relation to the film bonding structure and the environmental …

Mechanochemical wear of soda lime silica glass in humid environments

H He, L Qian, CG Pantano… - Journal of the American …, 2014 - Wiley Online Library
The mechanochemical wear of multicomponent glasses was studied under controlled
humidity conditions using a reciprocating ball‐on‐flat tribometer. For dry conditions, the …