A high strength Ti–SiC metal matrix composite

Khandaker Mezanur Rahman, Vassili A. Vorontsov, Stephen M. Flitcroft, David Dye

Research output: Contribution to journalArticle

7 Citations (Scopus)
179 Downloads (Pure)

Abstract

A SiC reinforced Ti-5Al-5Mo-5V-3Cr matrix metal matrix composite is developed. Monolithic blocks of alloy are hot rolled via pack rolling to produce foils for MMC panel fabrication. These are consolidated using hot isostatic pressing and solution treated and aged for optimum strength. The panels exhibited a strength of 2 GPa in tension and 3.5 GPa in compression, compared to the aerospace steel 300M, which has a tensile strength of 1.69 GPa. The fatigue performance of the material exceeded that of MMCs developed using Ti-21S or Ti-6Al-4V matrices. Finally, the reaction zone between the SiC and matrix is examined, revealing the presence of TiC.

Original languageEnglish
Article number1700027
Number of pages5
JournalAdvanced Engineering Materials
Volume19
Issue number7
Early online date22 Mar 2017
DOIs
Publication statusPublished - 31 Jul 2017

Keywords

  • fatigue behaviour
  • titanium alloys
  • plastic flow

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