Effect of carbon addition on microstructure of Ti-V alloys

Tadashi Furuhara, Satoshi Annaka, Tadashi Maki

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

Effects of carbon addition on microstructure of Ti-V alloys formed at high temperatures were investigated. By adding carbon to pure Ti and Ti-V binary alloys, precipitation of TiC occurs. With increase of vanadium content, β/ (β+ TiC) phase boundary shifts to the lower carbon side slightly. On the other hand (α+ β) I (α + β + TiC) boundaries shifts largely with decreases in α fraction and peritectoid reaction temperature by addition of vanadium. Addition of carbon to a Ti-15V-3Cr-3Sn-3Al alloy results in extensive suppression of recovery during hot deformation of β phase by carbon in solution. Also age hardening kinetics of Ti-15V-3Cr-3Sn-3Al after β solutionizing was accelerated by carbon addition.

Original languageEnglish
Pages (from-to)942-948
Number of pages7
JournalNippon Kinzoku Gakkaishi/Journal of the Japan Institute of Metals
Volume72
Issue number12
DOIs
Publication statusPublished - 2008 Dec

Keywords

  • Hot deformation
  • Interstitial element
  • Phase equilibrium
  • Precipitation
  • Titanium alloy

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Mechanics of Materials
  • Metals and Alloys
  • Materials Chemistry

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