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<p>With the rapid advancement of modern manufacturing technology, the nanofluid minimal quantity lubrication (NMQL) has garnered widespread attention in the field of ceramic cutting tool processing. However, current research on the application of NMQL in ceramic cutting tools is primarily focused on conventional ceramic tools, with relatively limited exploration into self-lubricating ceramic tools. Therefore, investigating the impact of NMQL on self-lubricating ceramic cutting tools and comparing its differences with conventional ceramic tools is essential for advancing the application of NMQL. This study focuses on graphene nanoplatelets-reinforced alumina (Al<sub>2</sub>O<sub>3</sub>/GNPs) self-lubricating ceramic cutting tool, with alumina ceramic tool as the control group. Through experiments conducted in different cutting environments, the cutting characteristics under NMQL conditions are analyzed, emphasizing performance indicators such as cutting forces, cutting temperatures, tool life, and tool wear morphology for both types of tools. The experimental results demonstrate that nanofluid lubrication has positive effects on both conventional ceramic tools and self-lubricating ceramic tools. Notably, the enhancement brought about by NMQL is more pronounced in self-lubricating ceramic tools compared to conventional ceramic tools, including lower cutting forces, temperatures, extended tool life, and improved surface quality. Simultaneously, effective control of tool wear is achieved, enhancing the sustainability and stability of tool processing.</p>

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Investigation of Machining Characteristics of Al2O3/GNPs Self-Lubricating Ceramic Cutting Tool Under Nanofluid Minimal Quantity Lubrication

  • 期刊论文

  • 发表日期：

    2025年1月2日

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  • Yifei Li,
  • Hui Chen,
  • Jingjie Zhang,
  • Guangchun Xiao,
  • Mingdong Yi,
  • Zhaoqiang Chen,
  • Gangqiang Zhang,
  • Chonghai Xu

摘要

With the rapid advancement of modern manufacturing technology, the nanofluid minimal quantity lubrication (NMQL) has garnered widespread attention in the field of ceramic cutting tool processing. However, current research on the application of NMQL in ceramic cutting tools is primarily focused on conventional ceramic tools, with relatively limited exploration into self-lubricating ceramic tools. Therefore, investigating the impact of NMQL on self-lubricating ceramic cutting tools and comparing its differences with conventional ceramic tools is essential for advancing the application of NMQL. This study focuses on graphene nanoplatelets-reinforced alumina (Al2O3/GNPs) self-lubricating ceramic cutting tool, with alumina ceramic tool as the control group. Through experiments conducted in different cutting environments, the cutting characteristics under NMQL conditions are analyzed, emphasizing performance indicators such as cutting forces, cutting temperatures, tool life, and tool wear morphology for both types of tools. The experimental results demonstrate that nanofluid lubrication has positive effects on both conventional ceramic tools and self-lubricating ceramic tools. Notably, the enhancement brought about by NMQL is more pronounced in self-lubricating ceramic tools compared to conventional ceramic tools, including lower cutting forces, temperatures, extended tool life, and improved surface quality. Simultaneously, effective control of tool wear is achieved, enhancing the sustainability and stability of tool processing.