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Metal Science and Heat Treatment

, Volume 27, Issue 1, pp 48–50 | Cite as

Structure and properties of VT20L alloy containing 0.1–0.3% C

  • L. V. Shpakovskaya
  • Yu. F. Klimov
  • V. V. Luk'yanov
Titanium and Its Alloys
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Conclusions

  1. 1.

    Cast VT20L titanium alloy contaminated during remelting by carbon (up to 0.1–0.3%) possesses significant segregation microinhomogeneity as the result of formation in solidification of TiC-based inclusions of carbide δ-phase, which is the reason for the reduced impact strength.

     
  2. 2.

    Diffusion annealing of the forgings in the 900–1000°C range for 3–5h leads to dissolution of the δ-phase and provides a high combination of mechanical properties of 0t ≥ 1000 MPa, δ≥10%, anda ≥ 0.3 MJ/m2, the stability of which is preserved after heating to 400°C.

     

Keywords

Titanium Mechanical Property Carbide Titanium Alloy Impact Strength 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Plenum Publishing Corporation 1985

Authors and Affiliations

  • L. V. Shpakovskaya
  • Yu. F. Klimov
  • V. V. Luk'yanov

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