In-situ synthesis of TiN and TiB2 compounds during reactive spark plasma sintering of BN–Ti composites

  • Maryam Abdolahpour Salari 1
  • Günay Merhan Muğlu 2
  • Mohsen Rezaei 3
  • M. Saravana Kumar 4
  • Harikrishnan Pulikkalparambil 5
  • Suchart Siengchin 5
  • 1 Department of Physics, Faculty of Sciences, Ataturk University, Erzurum, Turkey
  • 2 Hınıs Vocational College, Department of Medical Services and Techniques, Ataturk University, Erzurum, Turkey
  • 3 Department of Chemistry, Faculty of Sciences, Ataturk University, Erzurum, Turkey
  • 4 Department of Mechanical Engineering, Mount Zion College of Engineering and Technology, Pudukkottai, Tamil Nadu, India
  • 5 Department of Materials and Production Engineering, The Sirindhorn International Thai-German Graduate School of Engineering (TGGS), King Mongkut’s University of Technology North Bangkok, Bangkok, 10800, Thailand


A BN-TiB2-TiN composite was produced via reactive sintering of the hexagonal BN (hBN) with 20 wt% Ti. Spark plasma sintering (SPS) was used as the fabrication method and the sample was characterized by X-ray diffractometry, energy-dispersive X-ray spectroscopy, and scanning electron microscopy. According to the results, the Ti was utterly consumed during the SPS, led to the in-situ TiB2 and TiN0.9 formations. Additionally, the microstructural study revealed the nucleation and growth of new hBN platelets from the initial fine hBN particles. Anyway, the final composite reached a relative density of 95%, because of the remaining free spaces between the hBN platelets. It was found that some nitrogen and boron atoms could leave the TiN and TiB2 microstructures, respectively, and diffuse into the opposing phase.


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Keywords: Boron nitride, Titanium, Reactive spark plasma sintering, In-situ phases, Synthesis


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In-situ synthesis of TiN and TiB2 compounds during reactive spark plasma sintering of BN–Ti composites
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Abdolahpour Salari, M., Merhan Muğlu, G., Rezaei, M., Saravana Kumar, M., Pulikkalparambil, H., & Siengchin, S. (2021). In-situ synthesis of TiN and TiB2 compounds during reactive spark plasma sintering of BN–Ti composites. Synthesis and Sintering, 1(1), 48-53.

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