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<p>Nanofluid minimum quantity lubrication (NMQL), a green lubrication technology, combined with self-lubricating ceramic tools, has demonstrated remarkable potential for improving lubrication performance. Recent research has focused on the blending ratio and nanoparticle concentration, whereas the influence of particle size has received considerably less attention. Furthermore, no systematic studies investigating the influences of the blending ratio, concentration, and particle size on the machining performance of self-lubricating ceramic tools have been conducted. The effects of the blending ratio, concentration, and particle size of SiC/MoS<sub>2</sub> hybrid nanofluids on the cutting performance of TiB<sub>2</sub>/WC/Graphene self-lubricating ceramic tools during 30CrMnSiNi2A steel machining were investigated. The optimal parameters were a blending ratio of 1:1, a concentration of 1.5&#xa0;wt.%, and particle sizes of 40&#xa0;nm:80&#xa0;nm. Compared with dry cutting, the optimized nanofluid reduced the friction coefficient, cutting temperature, flank wear, and workpiece surface roughness by 17.2, 53.3, 22.6, and 59.7%, respectively. Moreover, SiC/MoS<sub>2</sub> hybrid nanoparticles created a deposition region within the tool matrix, providing filling effects. Furthermore, lubrication mechanisms associated with different particle sizes were examined through combined thermal property analysis and machining tests. This research offers a viable solution and theoretical foundation for effectively increasing the self-lubricating ceramic tool machining efficiency under NMQL conditions.</p>

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Effects of SiC/MoS2 Hybrid Nanofluid Minimum Quantity Lubrication on the Cutting Performance of TiB2/WC/Graphene Self-Lubricating Ceramic Tools

  • 期刊论文

  • 发表日期：

    2026年7月6日

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  • Binhang Yu,
  • Hui Chen,
  • Xianglong Meng,
  • Guangchun Xiao,
  • Mingdong Yi,
  • Zhaoqiang Chen,
  • Jingjie Zhang,
  • Dianyuan Pan,
  • Chonghai Xu

摘要

Nanofluid minimum quantity lubrication (NMQL), a green lubrication technology, combined with self-lubricating ceramic tools, has demonstrated remarkable potential for improving lubrication performance. Recent research has focused on the blending ratio and nanoparticle concentration, whereas the influence of particle size has received considerably less attention. Furthermore, no systematic studies investigating the influences of the blending ratio, concentration, and particle size on the machining performance of self-lubricating ceramic tools have been conducted. The effects of the blending ratio, concentration, and particle size of SiC/MoS2 hybrid nanofluids on the cutting performance of TiB2/WC/Graphene self-lubricating ceramic tools during 30CrMnSiNi2A steel machining were investigated. The optimal parameters were a blending ratio of 1:1, a concentration of 1.5 wt.%, and particle sizes of 40 nm:80 nm. Compared with dry cutting, the optimized nanofluid reduced the friction coefficient, cutting temperature, flank wear, and workpiece surface roughness by 17.2, 53.3, 22.6, and 59.7%, respectively. Moreover, SiC/MoS2 hybrid nanoparticles created a deposition region within the tool matrix, providing filling effects. Furthermore, lubrication mechanisms associated with different particle sizes were examined through combined thermal property analysis and machining tests. This research offers a viable solution and theoretical foundation for effectively increasing the self-lubricating ceramic tool machining efficiency under NMQL conditions.