Superlow friction and diffusion behaviors of a steel-related system in the presence of nano lubricant additive in PFPE oil
Source abstract
Abstract
The lubrication performances of diamond like carbon (DLC) films were investigated by a ball-on-disc tribometer under perfluoropolyether (PFPE) oil lubrications. The influence of nano lubricant additives in PFPE oil on the tribological properties of DLC films was evaluated. The experimental results show that the solid-liquid synergy lubrication is beneficial to improve the tribological properties of the steel-related friction system and the tribological properties of the friction pair are significantly influenced by lubrication modes and the types and contents of nano lubricant additives under PFPE oil lubrication. The friction system exhibits super low friction behaviors under PFPE oil with nano MoS2 lubricant additive lubrication due to the excellent compatibility of nano MoS2 additives with PFPE oil. Coefficient of friction (CoF) of the friction system is as super low as 0.02 under PFPE oil with 0.2 wt.% nano MoS2 additive lubrication. Superlow friction mechanism is attributed to the pointlike contact of nano MoS2 additive as soft phase and the excellent diffusion behaviors of nano MoS2 additives in PFPE oil. The potential usefulness of nano MoS2 particles as the lubricant additives in PFPE oil for the steel/DLC films has been demonstrated.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Lubricants and Their Additives · Diamond and Carbon-based Materials Research · Tribology and Wear Analysis
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Key Laboratory of Education Ministry for Modern Design and Rotor-Bearing System, Xi'an Jiaotong University, Xi'an, China
Funding
National Natural Science Foundation of China · Fundamental Research Funds for the Central Universities · Shaanxi province Science and Technology Department · Natural Science Foundation of Jiangxi
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