Experimental investigation and analysis of drilling parameters of metal matrix (Ti/TiB) composites

  • T. RamkumarEmail author
  • M. Selvakumar
  • M. Mohanraj
  • P. Chandrasekar
Technical Paper


The present study focuses on the drilling processes and its parameters of titanium–titanium boride composites which are optimized using Taguchi technique. The titanium–titanium boride composites aiming 20% and 40% of titanium boride (by volume) is processed through three different powder metallurgical techniques such as, spark plasma sintering, hot isostatic pressing and vacuum sintering, respectively. It is processed through the drilled holes in the composites of 1 mm thickness using a solid carbide drill of 2 mm diameter. The effects of process parameters such as, feed rate, spindle speed and processing techniques on the drilling thrust force and surface roughness are analyzed. The results reveal that the feed rate and processing techniques are the most significant parameters influencing the thrust force and surface roughness. High thrust force and surface roughness are observed for the composites with 40% of titanium boride (by volume) processed through the spark plasma sintering technique. Further, the wear mode of drill edges, workpiece damage and chip morphology are also examined.


Titanium–titanium boride composites Drilling Thrust force Taguchi technique Chip morphology 



The researchers would like to thank Mr. M. Thirumoorthy, ASL, Hyderabad, India for his support in executing this research.


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Copyright information

© The Brazilian Society of Mechanical Sciences and Engineering 2018

Authors and Affiliations

  1. 1.Department of Mechanical EngineeringDr. Mahalingam College of Engineering and TechnologyPollachiIndia
  2. 2.Department of Automobile EngineeringDr. Mahalingam College of Engineering and TechnologyPollachiIndia
  3. 3.Department of Mechanical EngineeringHindusthan College of Engineering and TechnologyCoimbatoreIndia
  4. 4.Department of Mechanical EngineeringAmbal Professional Group of InstitutionsPalladamIndia

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