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Research on the Cutting Performances and Wear Mechanisms of TiAlCrN Coated Tools During Dry Turning

  • Hui-Bo HeEmail author
  • Hua-Ying Li
  • Xian-Ying Zhang
  • Qi-Bin Yue
  • Jun Zhang
  • Lu Ma
  • Yuan-Ming Li
Regular Paper
  • 28 Downloads

Abstract

Physical vapour deposition technique was used to deposit TiAlCrN coatings on the YT15 tungsten carbide inserts. The dry turning tests of 20CrMo steel were carried out to evaluate performances of TiAlCrN coated and uncoated tools on the CA6140A lathe. The effect of the two kinds of tools on cutting forces, cutting temperature, surface roughness and tool wear had been investigated to assess the performance of TiAlCrN coated tools. The results showed that the cutting force and cutting temperature obtained by TiAlCrN coated tools were decreased and the TiACrN coated tools produced a better surface finish in comparison with the uncoated tools. The TiAlCrN coated tools yield working life about 45 min, which was two times of that for uncoated tools. The wear mechanisms of the TiAlCrN coated tools were mainly oxidation and boundary wear, accompanied with diffusion wear.

Keywords

TiAlCrN Cutting performances Wear mechanisms Coated tools 

Notes

Acknowledgements

This work was supported by the Fundamental Research Funds for the Central Universities of Ministry of Education of P. R. China (XDJK2017C081) and the Cooperative research and development of scientific research prototype (180029).

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Copyright information

© Korean Society for Precision Engineering 2019

Authors and Affiliations

  1. 1.College of Engineering and TechnologySouthwest UniversityChongqingPeople’s Republic of China
  2. 2.Chongqing Key Laboratory of Agriculture Equipment for Hilly and Mountainous RegionsChongqingPeople’s Republic of China
  3. 3.School of Mechanical and Aerospace Engineering, ReCAPT (K-MEM R&D Cluster)Gyeongsang National UniversityJinjuSouth Korea

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