Synthesis of composite materials based on tib2–tic–al2o3 and crb2-al2o3 in the combustion conditions

A. J. Seidualiyeva*, K. Kamunur, R. G. Abdulkarimova, O. Yücel, A. N. Batkal

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

Borides and carbides attract the attention of developers of heat-resistant and super hard structural materials due to a unique combination of their resistance to high-temperature oxidation, high hardness, wear resistance, electrical and thermal conductivity and etc. The article presents experimental results on obtaining composites based on TiB2-TiC-Al2O3, CrB2-Al2O3 by a method combining self-propagating high-temperature synthesis (SHS) and mechanical activation (MA). The influence of the composition of the initial components, the conditions of SHS and preliminary MA on the formation of the microstructure and phase composition of the SHS-composite based on titanium carbide and titanium, chromium borides has been studied. The SHS products were examined by X-ray diffraction analysis and a scanning electron microscope. High-temperature phases of borides of chromium, titanium, aluminum oxide and their spinel are found in SHS products.

Original languageEnglish
Pages (from-to)111-118
Number of pages8
JournalEurasian Chemico-Technological Journal
Volume23
Issue number2
DOIs
Publication statusPublished - 2021

Bibliographical note

Publisher Copyright:
© 2021 Eurasian Chemico-Technological Journal.

Keywords

  • Composite materials
  • Mechanical activation (MA)
  • Microstructure
  • Self-propagating high-temperature synthesis (SHS)

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