Effect of friction coefficient on chip thickness models in ductile-regime grinding of zirconia ceramics

  • Min Yang
  • Changhe LiEmail author
  • Yanbin ZhangEmail author
  • Dongzhou Jia
  • Runze Li
  • Yali Hou
  • Huajun Cao


The removal of material in the ductile regime while improving machining efficiency is currently the technical bottleneck in grinding zirconia ceramics. Prediction models of minimum chip thickness (hmin) and ductile–brittle transition chip thickness (hd–b) were developed according to grinding mechanism. Results showed that both hmin and hd–b decreased with increasing friction coefficient. Grinding experiments were carried out using the maximum undeformed chip thickness as the input parameter. Experimental results showed that the hmin value in dry grinding is 0.24 μm. Meanwhile, the hmin values under minimum quantity lubrication (MQL) and nanoparticle jet MQL (0.4, 0.8, 1.2, 1.6, and 2 vol.%) are 0.27, 0.34, 0.49, 0.65, 0.76, and 0.91 μm, respectively. Furthermore, the hd–b value in dry grinding is 0.8 μm, and the hd–b values under lubrication condition that corresponds to hmin are 1.79, 1.98, 2.15, 2.27, 2.39, and 2.59 μm, respectively. The experimental results show the same trend as that of the prediction model. The theoretical calculation is basically consistent with the measured values, with model errors of 7.9% and 6.3%, thereby verifying the accuracy of the chip thickness models.


Ductile-regime grinding Nanoparticle jet minimum quantity lubrication Zirconia ceramics Friction coefficient Minimum chip thickness Ductile–brittle transition chip thickness 


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Funding information

This research was financially supported by the following foundations: the National Natural Science Foundation of China (51575290), the Major Research Project of Shandong Province (2017GGX30135 and 2018GGX103044), and the Shandong Provincial Natural Science Foundation, China (ZR2017PEE011 and ZR2017PEE002).


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Copyright information

© Springer-Verlag London Ltd., part of Springer Nature 2019

Authors and Affiliations

  1. 1.School of Mechanical and Automotive EngineeringQingdao University of TechnologyQingdaoChina
  2. 2.School of Mechanical EngineeringInner Mongolia University for NationalitiesTongliaoChina
  3. 3.Department of Biomedical EngineeringUniversity of Southern CaliforniaLos AngelesUSA
  4. 4.School of Mechanical EngineeringChongqing UniversityChongqingChina

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