Comparative analysis of the solid lubrication performance - Ti3AlC2 versus Ti3C2Tx coatings
收藏中国科学院兰州化学物理研究所科学数据中心2025-12-11 更新2026-01-10 收录
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Due to the long-standing use of MAX phase materials since the 1960s and the emergence of MXenes in 2011, both are celebrated for their extraordinary mechano-tribological properties, including layered structures, high mechanical strength, and thermal conductivity. Nevertheless, there remains a crucial research gap in comprehensively comparing their tribological performance under solid lubrication, underscoring the need for an in-depth investigation. To close this research gap, we deposited MAX phase and MXene coatings by spray-coating on stainless-steel substrates. Subsequently, we evaluated their tribological properties, deciphered the underlying
mechanisms using linear-reciprocating tribometry and high-resolution material characterizations. Our results demonstrated that the MXene coatings surpass the MAX phase coating in friction reduction by 81.82 %. In terms
of wear depth, MXene coating has shown a notably reduced depth compared to both the reference steel sample and the MAX phase coating. Advanced tribochemical analysis indicates that MXenes’ superior tribological performance is endorsed by their ability to form a thick, patchy-like transferlayer on the counterbody, which results
from their ability to shear and delaminate under acting contact stress. Our study offers a framework for future
investigations into utilizing MXene-based materials in tribological applications.
提供机构：
中国科学院兰州化学物理研究所科学数据中心
创建时间：
2025-12-11
