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Estimation of distinctive mechanical properties of spark plasma sintered titanium–titanium boride composites through nano-indentation technique

Paper presented at “International Conference on Advances in Design & Manufacturing” (ICAD&M14), 5 – 7 December 2014, National Institute of Technology, Tiruchirappalli, Tamil Nadu, India
  • Selvakumar Mani , Chandrasekar Palanisamy , Mohanraj Murugesan and Ravisankar Balasubramanian
Published/Copyright: November 10, 2015
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International Journal of Materials Research
From the journal International Journal of Materials Research Volume 106 Issue 11

Abstract

In this paper, two titanium–titanium boride composites aiming at 20 % and 40 % (by volume) of titanium boride reinforcement were processed through spark plasma sintering. The mechanical properties such as fracture toughness, indentation creep, contact stiffness, indentation hardness and Young's modulus of the processed composites were evaluated by means of nano-indentation. The Young's modulus, indentation hardness and contact stiffness increase with the increase in volume fraction of titanium boride, while the fracture toughness and indentation creep decrease. The titanium composite with 38.5 % (by volume) titanium boride showed improved mechanical properties compared to the composite with 24 % (by volume) titanium boride reinforcement. The morphological influence of TiB reinforcement on the mechanical properties was also discussed.

Keywords: Titanium boride; Spark plasma sintering; Nano-indentation; Contact stiffness; Indentation creep
*Correspondence address, Dr. Selvakumar Mani, Department of Mechanical Engineering, Dr. Mahalingam College of Engineering and Technology, Pollachi-642003, India. Tel.: +91-9865930803, Fax: +91-4259-236060, E-mail:

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Received: 2015-01-20
Accepted: 2015-04-20
Published Online: 2015-11-10
Published in Print: 2015-11-10

© 2015, Carl Hanser Verlag, München

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https://doi.org/10.3139/146.111292
Keywords for this article
Titanium boride; Spark plasma sintering; Nano-indentation; Contact stiffness; Indentation creep

Articles in the same Issue

  1. Contents
  2. Contents
  3. Original Contributions
  4. Orientation-dependent plasma etch rates of single crystal silicon for dry etcher parts
  5. How to produce a desired bimodal microstructure for optimized mechanical properties: Investigation of the mechanisms of abnormal grain growth in pulsed electro-deposited nickel
  6. Microstructural evolution during solidification of Al–Cu-based alloys
  7. Effects of Sn and Ca on the microstructure and mechanical properties of Mg–Zn–Y–Nd–Zr alloys
  8. Wear properties of hybrid AlSi12 matrix syntactic foams
  9. Mechanical and tribological properties of functionally graded aluminium/zirconia metal matrix composite synthesized by centrifugal casting
  10. Estimation of distinctive mechanical properties of spark plasma sintered titanium–titanium boride composites through nano-indentation technique
  11. A comparative study of nanostructured calcium copper titanate thin film and powder and their properties
  12. Preparation of potato starch-based carbon particles by low-temperature carbonization in oil
  13. Short Communications
  14. Preparation of (100) oriented Sc-doped AlN film on flexible substrate under different pressures using RF reactive sputtering
  15. Novel borothermal synthesis of VB2 powders
  16. People
  17. Prof. Dr. Peter J. Uggowitzer on the occasion of his 65th birthday
  18. DGM News
  19. DGM News
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