Finite Element Simulation and Experimental Investigations to Predict Tool Flank Wear Rate During Microturning of Ti–6Al–4V Alloy

  • Jiju V. EliasEmail author
  • S. Asams
  • Jose Mathew
Conference paper
Part of the Lecture Notes on Multidisciplinary Industrial Engineering book series (LNMUINEN)


Mechanical micromachining has gained wide acceptance in the manufacture of miniaturized components for a wide range of applications including aerospace, biomedical, electronics, etc. in recent decades. Microturning is one of the important machining techniques used for manufacturing these components. In micromachining, as the undeformed chip thickness becomes comparable with the cutting edge radius, size effect highly influences the material deformation mechanism. Therefore, the tool experiences a nonlinear variation in cutting forces and specific cutting energy, which accelerates the tool wear. The tool wear mechanism becomes even more complex in the case of micromachining of difficult to machine materials like Ti–6Al–4V alloy. Tool wear is influenced by the combined effect of mechanisms like material adhesion, abrasion, erosion, diffusive wear, fracture, etc. In the present work, the adhesive tool wear model, proposed by Usui et al. is used for the tool wear estimation in micro regime. The tool wear model is calibrated using a hybrid approach based on both finite element simulations and cutting experiments. Validation experiments are done to compare experimental and predicted flank wear rates. Results show that the predicted flank wear rates using Usui model, using calibrated constants, showed better agreement with experimental results.


Micro turning Flank wear Usui tool wear model Ti–6Al–4V 



Authors would like to sincerely thank the Department of Science and Technology (DST), Govt. of India and Centre for Precision Measurements and Nanomechanical Testing, Department of Mechanical Engineering, National Institute of Technology Calicut, for providing support to carry out this project under the scheme “Fund for Improvement of Science and Technology” (No. SR/FST/ETI-388/2015).


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© Springer Nature Singapore Pte Ltd. 2020

Authors and Affiliations

  1. 1.Department of Mechanical EngineeringNational Institute of Technology CalicutKeralaIndia

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