Inherent anisotropy in transition metal diborides and microstructure/property tailoring in ultra-high temperature ceramics—A review

Guo Jun Zhang, De Wei Ni, Ji Zou, Hai Tao Liu, Wen Wen Wu, Ji Xuan Liu, Tohru Suzuki, Yoshio Sakka

Research output: Contribution to journalReview article

44 Citations (Scopus)

Abstract

This is the first comprehensive review on inherent anisotropic features of transition metal diboride (MB 2 ) and their implementation for tailoring the microstructure and properties of MB 2 -based Ultra-high temperature Ceramics (UHTCs). The emphasis is on the processing approaches, microstructures, and properties of self-reinforced and/or textured MB 2 -based composites with elongated MB 2 grains. The crystal structure characteristics and grain growth behaviour of MB 2 are also critically reviewed. Benefiting from the tailored microstructure, the MB 2 -based ceramics exhibit some improved properties. Considering the success of Si 3 N 4 ceramics in the field of structural ceramics, it is expected that the potential MB 2 -based ceramic composites with abundant elongated MB 2 grains, textured structures, and controlled grain boundaries would possess improved fracture toughness, thermal shock resistance, and reliable high-temperature properties, which are desired for their practical applications. Accordingly, microstructure designing and tailoring provide an important perspective for the future development of UHTCs.

Original languageEnglish
Pages (from-to)371-389
Number of pages19
JournalJournal of the European Ceramic Society
Volume38
Issue number2
DOIs
Publication statusPublished - 2018 Feb 1
Externally publishedYes

Keywords

  • Microstructure tailoring
  • Self-reinforced
  • Texture
  • Transition metal diborides
  • UHTCs

ASJC Scopus subject areas

  • Ceramics and Composites
  • Materials Chemistry

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