The maiden effort to explore the potential of nanoparticles (NPs) of Talc to improve the tribo-performance of Li-based grease is reported. A series of greases, including NPs of Talc in various amounts (1, 2, 3, and 4 wt%), was developed. It was evaluated for the rheological, thermal and tribological viz. antiwear (AW), anti-friction (AF) and extreme-pressure (EP) characteristics. The highest tribological performance improvement was obtained at an optimum dosage of 2 wt% with an enhancement in AW and EP performance by 47% and 79%, respectively. The wear mechanisms are discussed based on various surface characterization techniques. Talc nano-grease proved more efficient than its micro-counterpart at 2 wt% on comparison of AW and EP by 43% and 17% respectively.

报道了探索滑石纳米颗粒 (NPs) 改善锂基润滑脂摩擦性能潜力的首次努力。开发了一系列润滑脂，包括不同量（1、2、3 和 4 重量％）的滑石粉。对其流变学、热学和摩擦学即进行了评估。抗磨 (AW)、抗摩擦 (AF) 和极压 (EP) 特性。在 2 wt% 的最佳用量下获得了最高的摩擦学性能改进，AW 和 EP 性能分别提高了 47% 和 79%。基于各种表面表征技术讨论磨损机制。与 AW 和 EP 相比，滑石纳米润滑脂在 2 wt% 时比其微型润滑脂更有效，分别提高了 43% 和 17%。