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Microstructure and anti-penetration performance of continuous gradient Ti/TiB–TiB2 composite fabricated by spark plasma sintering combined with tape casting

  • Biao Zhang*
  • , Zhaoxin Zhong
  • , Jian Ye
  • , Qiang Liu
  • , Zhaoping Hou
  • , Yicheng Jin
  • , Haoqian Zhang
  • , Yang Wang
  • , Zhiguo Zhang
  • , Feng Ye
  • *Corresponding author for this work
  • Harbin Institute of Technology
  • Taiyuan University of Technology
  • Harbin Institute of Technology

Research output: Contribution to journalArticlepeer-review

Abstract

Abrupt change of acoustic impedance at the interfaces of step gradient composites is the main reason which hinder their further improving of bulletproof performance. Eliminating these interfaces is an effective method to fundamentally solve this problem. In this study, continuous gradient Ti/TiB–TiB2 composite was fabricated by spark plasma sintering (SPS) combined with tape casting. Interfaces between the different thin tape layers were successfully eliminated through the growth of rod-like TiB crystals during SPS sintering. High speed impact test indicates the continuous gradient Ti/TiB–TiB2 composite not only possesses excellent anti-penetration performance, but also has the ability to resist a second strike.

Original languageEnglish
Pages (from-to)9957-9961
Number of pages5
JournalCeramics International
Volume46
Issue number7
DOIs
StatePublished - May 2020

Keywords

  • Armor material
  • Continuous gradient
  • Tape casting
  • Ti/TiB–TiB composite

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