The effect of Aluminium on Deformation by twinning in Alpha Titanium

Arnas Fitzner, Akhtar S Khan (Editor)

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The deformation behaviour of binary Ti-Al model alloys (0-6wt% Al) with a ring texture has been observed in respect to nucleation and growth of twins, specifically 10-12-tensile twins. The fraction of these 85 ̊ tensile twins after 9% compression decreases slightly from commercially pure Ti (CP-Ti) to Ti-4Al but it reduces significantly in Ti-6Al. An increase in the activity of 11-21-tensile twins can be observed as soon as 2wt% Al are added to CP-Ti. The tensile lattice strain along c-axis to nucleate 85 ̊ twins shows a non linear trend with the Al content and suggest superimposed effects of stacking fault energy (SFE) and short range ordering (SRO).
Original languageEnglish
Title of host publicationAnalytical, Computational, and Experimental Inelasticity in Deformable Solids
EditorsAkhtar S Khan
PublisherA. Khan
Publication statusPublished - 7 Jan 2013
EventPlasticity '13 - Nassau, Bahamas
Duration: 3 Apr 20158 Apr 2015

Conference

ConferencePlasticity '13
CityNassau, Bahamas
Period3/04/158/04/15

Keywords

  • Twinning
  • Binary Ti-Al alloys

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