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Superplastic deformation of strongly textured Ti-6 Al-4 V

Part 1 Stress and strain anisotropy

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Abstract

Stress and strain anisotropy of a strongly textured Ti-6 Al-4 V alloy bar during superplastic deformation at 880 and 928° C has been investigated. After ∼ 0.9 superplastic strain at 928° C the deformation tended to become isotropic. The anisotropic superplastic deformation was found to be dependent upon the aligned microstructure and not influenced by the original α-phase crystallographic texture. The room-temperature anisotropy before and after superplastic plastic deformation was controlled by the original α-phase texture, which was still present even after 1.48 strain (344% elongation) at 928° C.

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McDarmaid, D.S., Bowen, A.W. & Partridge, P.G. Superplastic deformation of strongly textured Ti-6 Al-4 V. J Mater Sci 19, 2378–2386 (1984). https://doi.org/10.1007/BF01058115

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Keywords

  • Polymer
  • Microstructure
  • Anisotropy
  • Plastic Deformation
  • Crystallographic Texture