Microstructure of α' martensites in Ti-V-Al alloys studied by high-resolution transmission electron microscopy

K. Sato, Hiroaki Matsumoto, A. Chiba, T. J. Konno

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Atomic structures of hexagonal α' martensites in Ti-6mass%Al-4mass%V alloys have been studied by means of aberration corrected high-resolution transmission electron microscopy and electron diffraction. There observed differences in atomic structures of the {1011} -type twin boundaries of the α' martensites: stacking faults, a few atomic layers in width, was observed at the twin boundary for the as-quenched alloy after solution treatment at 1100°C (above the β transus), while the alloy solution treated at 950°C (below the β transus) showed a clear-cut twin boundary. The excellent ductility is observed in the latter alloy.

Original languageEnglish
Title of host publicationMaterials Processing and Interfaces
PublisherMinerals, Metals and Materials Society
Pages1007-1011
Number of pages5
ISBN (Print)9781118296073
Publication statusPublished - 2012 Jan 1
Event141st Annual Meeting and Exhibition, TMS 2012 - Orlando, FL, United States
Duration: 2012 Mar 112012 Mar 15

Publication series

NameTMS Annual Meeting
Volume1

Other

Other141st Annual Meeting and Exhibition, TMS 2012
CountryUnited States
CityOrlando, FL
Period12/3/1112/3/15

Keywords

  • Aberration correction
  • Stacking faults
  • TEM
  • Ti-6Al-4V
  • α'-martensite

ASJC Scopus subject areas

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

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