@article{Li2026, 
author = {Kunpeng Li and Liqiang Zhang and Changhe Du and Runhao Zheng and Liucheng Wang and Shoukui Gao and Jian Zhang and Youqiang Wang and Daoai Wang},
title = {Efficient wear resistance at the steel/steel friction interface achieved through Span65 confined PAO10 gel lubricant},
year = {2026},
journal = {Friction},
volume = {14},
number = {1},
pages = {9441070},
keywords = {ultra-low wear, sorbitan tristearate, steel-steel friction, semisolid lubricant},
url = {https://www.sciopen.com/article/10.26599/FRICT.2025.9441070},
doi = {10.26599/FRICT.2025.9441070},
abstract = {Ultra-low wear technology provides an effective solution to prolong the service life of mechanical equipment. However, there are still significant challenges in achieving ultra-low wear at the steel/steel interface over long periods. In this work, a PAO10-SPAN65 composite semisolid lubricant (PAO10/SP65) was designed with sorbitan tristearate (SPAN65) and base oil poly α-olefin 10 (PAO10). The wear rate of the steel lubricated with PAO10/SP65 (1.31×10−8 mm3·N−1·m−1) was 96% lower than that of PAO10 (3.52×10−7 mm3·N−1·m−1). In addition, after 10 h of friction testing at a contact pressure of 0.82 GPa, the wear of the steel surface is still close to zero, with a wear rate of 4.13×10−9 mm3·N−1·m−1. This study provides a new design idea for realizing ultra-low wear of engineering steel.}
}