The Effect of Heat Treatment on the Fatigue Strength of Ti-6A1-4V

  • A. W. Bowen
  • C. A. Stubbington

Summary

An investigation has been carried out to determine the type of heat treatment likely to be most successful in increasing the fatigue strength of Ti-6A1-4V. One heat treatment only was successful, namely a solutionising and ageing treatment, which gave a microstructure of small primary α grains in a matrix of stable transformed β. It is concluded that only limited improvements in the fatigue strength of Ti-6A1-4V can be achieved by heat treatment alone, and that such treatments should be carefully controlled because of the possibility of introducing deleterious effects such as a large prior β grain size. The maximum increase in low cycle fatigue strength was obtained when the microstructure contained a high proportion of transformed β, but, unfortunately, such a microstructure did not similarly improve the high cycle fatigue properties.

Keywords

Heat Treatment Fatigue Strength Test Piece High Cycle Fatigue Electron Beam Weld 
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Bibliography

  1. 1.
    Stubbington C A, Bowen A W Titanium Science and Technology (ed R I Jaffee & H M Burte) Plenum NY (1973) 2 1283.Google Scholar
  2. Stubbington C A, Bowen A W Titanium Science and Technology (ed R I Jaffee & H M Burte) RAE TR 72091 (1972).Google Scholar
  3. 2.
    Bowen A Wt Stubbington C A Ref 1 3 2097. RAE TR 73019 (1973).Google Scholar
  4. 3.
    Stubbington C A ,Bowen A W RAE TR 73036 (1973).Google Scholar
  5. Stubbington C A, J Mater Sci (1974) 2 941.Google Scholar
  6. 4.
    Stubbington C A, Ballett J T Ref 1 1 601 RAE TR 72021 (1972)Google Scholar
  7. 5.
    Williams J Cs Blackburn M J Trans ASM (1967) 60 373.Google Scholar
  8. 6.
    Blackburn M Jt Feeney J A, Beck T R Advances in Corr Sci & Tech (ed M G Fontana & R W Staehle) Plenum NY (1973) 3 67.Google Scholar
  9. 7.
    Williams J C Ref 1 3 1433.Google Scholar
  10. 8.
    Williams J CI Hickman B S Met Trans (1970) 1 2648.Google Scholar
  11. 9.
    Williams J C, Rhodes C G Met Trans (1975) 6A 1670.Google Scholar
  12. 10.
    Fopiano P J, Bever M B, Averbach B L Trans ASM (1969) 62 324.Google Scholar
  13. 11.
    Bowen A W Ref 1 2 1271.Google Scholar

Copyright information

© Springer Science+Business Media New York 1982

Authors and Affiliations

  • A. W. Bowen
    • 1
  • C. A. Stubbington
    • 1
  1. 1.Materials DepartmentRoyal Aircraft Establishment FarnboroughHantsUK

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