Hardening response and tempering behaviour of electron beam surface melted Ti-8.5Si alloy

H. Dong, X. Y. Li, T. Bell

Research output: Contribution to journalArticlepeer-review

19 Citations (Scopus)

Abstract

Electron beam (EB) surface melting and subsequent tempering have been carried out on a novel Ti-8.5Si alloy. The hardening response, hardening mechanisms and the tempering behaviour of the electron beam surface melted Ti-8.5Si alloy have been investigated using optical microscopy, scanning and transmission electron microscopy, and X-ray diffraction analysis. It was found that the novel Ti-8.5Si alloy can be successfully surface hardened by electron beam surface melting. This surface hardening effect can be attributed to both micro structural refinement and solid solution hardening following EB surface melting. The EB surface melted Ti-8.5Si alloy exhibits high resistance to tempering.

Original languageEnglish
Pages (from-to)231-240
Number of pages10
JournalJournal of Alloys and Compounds
Volume283
Issue number1-2
DOIs
Publication statusPublished - 1 Jan 1999

Keywords

  • Electron beam
  • Hardening
  • Surface melting
  • Temperability
  • Ti-Si alloy

ASJC Scopus subject areas

  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry

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