Anisotropy of mechanical properties in high-strength ultra-fine-grained pure Ti processed via a complex severe plastic deformation route

Commercially pure (CP) Ti was subjected to a complex severe plastic deformation (SPD) processing route consisting of equal channel angular pressing, swaging and drawing, resulting in the formation of a homogeneous ultra-fine-grained (UFG) microstructure showing a very high strength. The significant...

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Bibliographic Details
Published in:Scripta materialia 2011, Vol.64 (1), p.69-72
Main Authors: Sabirov, I., Perez-Prado, M.T., Molina-Aldareguia, J.M., Semenova, I.P., Salimgareeva, G.Kh, Valiev, R.Z.
Format: Article
Language:English
Subjects:
Anisotropy
Crystallography
Mechanical properties
Plastic deformation
Severe plastic deformation
Surface layer
Swaging
Texture
Titanium
Ultra-fine-grained microstructure
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Summary:Commercially pure (CP) Ti was subjected to a complex severe plastic deformation (SPD) processing route consisting of equal channel angular pressing, swaging and drawing, resulting in the formation of a homogeneous ultra-fine-grained (UFG) microstructure showing a very high strength. The significant anisotropy of mechanical properties found in the processed rod is related to a very strong crystallographic texture developed during SPD processing. The features of plastic deformation of the UFG CP Ti are discussed with respect to its crystallographic texture.
ISSN:1359-6462
1872-8456
DOI:10.1016/j.scriptamat.2010.09.006