In situ TiC particle reinforced TiCuZrNi brazing alloy for joining C/C composites to Ti6Al4V

Xinrui Song, Hejun Li, Valentina Casalegno, Milena Salvo, Monica Ferraris, Xierong Zeng

Research output: Contribution to journalArticlepeer-review

20 Scopus citations

Abstract

Chromium carbide modified C/C and Ti6Al4V were successfully joined using a TiCuZrNi brazing alloy in powder form. The braze/composite interface and the mechanical strength of C/C-Ti6Al4V joints were evaluated. The apparent shear strength of chromium carbide modified C/C joined to Ti6Al4V, measured by single lap test in compression, was 52 ± 6 MPa, which was highest among that without chromium carbide modification (15 ± 2 MPa) and the intrinsic C/C shear strength. The fractography of joints without chromium carbide modification indicated that failure mainly occurred at the TiC layer formed at the composite/braze interface while the joints with chromium carbide modification failed within the C/C.

Original languageEnglish
Pages (from-to)611-618
Number of pages8
JournalInternational Journal of Applied Ceramic Technology
Volume15
Issue number3
DOIs
StatePublished - 1 May 2018

Keywords

  • carbon
  • joints/joining
  • titanium carbide

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