Experimental investigation of tool wear in cryogenically treated insert during end milling of hard Ti alloy

  • Vinothkumar SivalingamEmail author
  • Jie SunEmail author
  • Baskaran Selvam
  • Pradeep Kumar Murugasen
  • Bin Yang
  • Saad Waqar
Technical Paper


The present study aims to investigate the tool wear mechanism of TiAlN-/NbN-coated tungsten carbide insert during end milling of hard Ti alloy under cryogenic treatment at 24 h and 48 h. The output responses are examined by looking at the flank wear, tool wear mechanism, elemental composition analysis, cutting force and vibration acceleration signal. A 12–23% and 4–11% reduction in the flank wear was noted at 48-h and 24-h cryogenically treated inserts (CTI) when compared with untreated insert. The reduction in the cutting force and vibration was also observed in the CTI when compared with untreated insert. The results showed better machinability and enhanced tool life for CTI, which is better than untreated insert under the same set of working conditions.


Cryogenic treatment Ti–6Al–4V alloy Tool wear End milling 



The Postdoctoral Innovation Special Fund (2017), Shandong Province, China (No. 201702012), supports this work.


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Copyright information

© The Brazilian Society of Mechanical Sciences and Engineering 2019

Authors and Affiliations

  • Vinothkumar Sivalingam
    • 1
    • 2
    Email author
  • Jie Sun
    • 1
    • 2
    Email author
  • Baskaran Selvam
    • 3
  • Pradeep Kumar Murugasen
    • 4
  • Bin Yang
    • 1
    • 2
  • Saad Waqar
    • 1
    • 2
  1. 1.School of Mechanical EngineeringShandong UniversityJinanChina
  2. 2.Research Centre for Aeronautical Component Manufacturing Technology and EquipmentJinanChina
  3. 3.Department of Mechanical EngineeringMadanapalle Institute of Technology and ScienceAngalluIndia
  4. 4.Department of Mechanical EngineeringAnna UniversityChennaiIndia

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