Pulsed electric current sintering of TiB2-based ceramics using nitride additives

  • Naeimeh Sadat Peighambardoust Koç University Boron and Advanced Materials Applications and Research Center (KUBAM), Sariyer, Istanbul, 34450, Turkey
  • Çağın Çevik Department of Biophysics, Istanbul University-Cerrahpasa, Istanbul, Turkey
  • Tannaz Assar Department of Geophysical Engineering, Istanbul Technical University, Istanbul, Turkey
  • Sunghoon Jung Advanced Nano Surface Department, Korea Institute of Materials Science, Changwon, 51508, Republic of Korea
  • Seon Yong Lee Department of Materials Science and Engineering, Research Institute of Advanced Materials, Seoul National University, Seoul 08826, Republic of Korea
  • Joo Hwan Cha Innovative Enterprise Cooperation Center, Korea Institute of Science & Technology, Hwarangro 14-gil, Seongbuk-gu, Seoul 02792, Republic of Korea


In this research, various types of nitride additives were incorporated into titanium diboride attaining dense TiB2-based ceramics by field-assisted sintering technique. The addition of different types of nitride additives, namely Si3N4, BN, AlN, and TiN, significantly improved the sinterability of TiB2, achieving near fully dense ceramics. The X-ray diffraction analysis and microstructural evaluation confirmed the presence of the h-BN compound in all specimens. In the TiB2-Si3N4 ceramic, Si3N4 additive reacted with B2O3 oxide, in-situ generating h-BN, and SiO2 phases. Although the h-BN phase was produced in the TiB2-AlN specimen, the main proportion of AlN remained in the sample as an unreacted ex-situ phase. In terms of the TiB2-TiN ceramic, some of the nitrogen and boron atoms could leave the TiN and TiB2 crystalline structures, contributing to the in-situ formation of h-BN.


Download data is not yet available.
Keywords: Titanium diboride, Silicon nitride, Hexagonal boron nitride, Aluminum nitride, Titanium nitride, Field assisted sintering technique
Pulsed electric current sintering of TiB2-based ceramics using nitride additives
How to Cite
Peighambardoust, N. S., Çevik, Çağın, Assar, T., Jung, S., Lee, S. Y., & Cha, J. H. (2021). Pulsed electric current sintering of TiB2-based ceramics using nitride additives. Synthesis and Sintering, 1(1), 28-33. https://doi.org/10.53063/synsint.2021.1112