β Recrystallisation characteristics of α + β titanium alloys for aerospace applications

Michael Allan, Matthew Thomas, Jeffery Brooks, Paul Blackwell

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

Abstract

To investigate the recrystallisation characteristics of Ti-6Al-4V and the novel alloy Timetal 575 (Ti575), twelve 100mm diameter double cone samples were forged, sectioned then heat treated in the beta phase field. The double cone geometry chosen provided a gradient of strain in each sample with a strain profile provided by output from a finite element modelling package. The matrix of tests covered three forging temperatures and two deformation rates and was followed by heat treatments to two temperatures for two different times at temperature generating a recrystallised microstructure as a function of these parameters. The extent of microstructural refinement for both alloys was analysed using optical microscopy of the as-received and recrystallised micro-structure.
Original languageEnglish
Title of host publicationProceedings of the 13th World Conference on Titanium
EditorsVasisht Venkatesh, Adam L. Pilchak, John E. Allison, Sreeramaurthy Ankem, Rodney Boyer, Julie Christodoulou, Hamish L. Fraser, M. Ashraf Imam, Yoji Kosaka, Henry J. Rack, Amit Chaterjee, Andy Woodfield
Place of PublicationNew York
PublisherJohn Wiley & Sons Inc.
Pages203-208
Number of pages6
ISBN (Print)9781119293668
DOIs
Publication statusPublished - 6 May 2016
EventTi-2015: The 13th World Conference on Titanium - California, San Diego, United States
Duration: 16 Aug 201520 Aug 2015

Conference

ConferenceTi-2015: The 13th World Conference on Titanium
CountryUnited States
CitySan Diego
Period16/08/1520/08/15

Keywords

  • recrystallisation
  • Ti-6Al-4V
  • Timetal 575

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