Mechanism on heterogeneous transfer film formed by diamond-like carbon film under molybdenum disulfide hybrid polyethylene glycol lubrication

Y Yang, X Fan, Z Yue, M Zhu - Carbon, 2023 - Elsevier
Heterogeneous materials are an ideal platform for low friction, but most of the
heterogeneous materials used in tribology field are artificially synthesized. Here, by …

Superlubricity with graphitization in Ti-doped DLC/steel tribopair: response on humidity and temperature

JI Kim, WY Lee, T Tokoroyama… - ACS Applied Materials & …, 2023 - ACS Publications
The anti-friction of diamond-like carbon (DLC) is achieved by a well-developed
carbonaceous transfer layer, and Ti-doped DLC is developed into a robustly built-up …

Wear acceleration of aC: H coatings by molybdenum-derived particles: Mixing and temperature effects

KAM Kassim, T Tokoroyama, M Murashima, WY Lee… - Tribology …, 2021 - Elsevier
MoDTC has also been reported to degrade into other Mo-derived compounds. It is essential
to analyze the effects of each type of MoDTC-degraded material on DLC. Therefore, we …

Tribochemical investigation of Cr-doped diamond-like carbon with a MoDTC-containing engine oil under boundary lubricated condition

SM Bae, S Horibata, Y Miyauchi, J Choi - Tribology International, 2023 - Elsevier
Cr-doped diamond-like carbon (Cr-DLC) coatings were deposited and investigated for their
tribological properties. A hybridized deposition technique consisted of a bipolar plasma …

New in situ superlow-friction method for nitrogen-containing diamond-like carbon coatings using dielectric barrier discharge treatment in ambient air

W Wu, M Murashima, T Saso, T Tokoroyama… - Tribology …, 2022 - Elsevier
In the present paper, we develop a new in situ surface treatment technology for diamond-like
carbon (DLC) coatings using dielectric barrier discharge (DBD) in ambient air. The friction …

Friction characteristics of amorphous carbon coating against various 3d-transition metals

JI Kim, WY Lee, T Tokoroyama, M Murashima… - Tribology …, 2022 - Elsevier
DLC has anti-friction characteristics due to the tribofilm formed by the carbon transfer to its
mating material. However, its coefficient of friction depends on each mating material. This …

Nanomolybdenum disulfide additive improves the tribological behavior of cobalt removal polycrystalline diamond compact

R Gou, J Chen, X Luo - Tribology International, 2022 - Elsevier
To better understand the properties of cobalt removal polycrystalline diamond compact
(PDC), we studied the tribological behavior and wear mechanism of cobalt removal PDC …

Synergistic tribological effect between polyisobutylene succinimide-modified molybdenum oxide nanoparticle and zinc dialkyldithiophosphate for reducing friction and …

S Chen, N Song, S Zhang, Y Zhang, L Yu, P Zhang - Friction, 2023 - Springer
Organic molybdenum lubricant additive like molybdenum dialkyl dithiocarbamate (MoDTC)
can cause wear acceleration of diamond-like carbon (DLC) coating coupled with steel under …

Long-term low-friction of Ti-overcoated and-doped DLCs: Robustly developed carbonous transfer layer with titanium

JI Kim, WY Lee, T Tokoroyama, N Umehara - Carbon, 2023 - Elsevier
Diamond-like carbon (DLC) has been under the research spotlight as an exceptional solid
lubricant. Its friction performance is depending on a well-developed transfer layer upon its …

New in situ low-friction technology for diamond-like carbon coatings using surface discharge treatment in ambient air

M Murashima, S Oyama, H Kousaka, T Tokoroyama… - Tribology …, 2022 - Elsevier
In the present paper, we develop a new in situ low-friction technology for diamond-like
carbon coatings using surface discharge in ambient air. As a result, the friction coefficient …