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Nanostructured Materials by High-Pressure Severe Plastic Deformation pp 235–240Cite as

Microstructure and Mechanical Properties of Long, Ultrafine-Grained Ti Rods

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Part of the book series: NATO Science Series ((NAII,volume 212))

Abstract

In this paper, we report our recent studies on the effect of processing routes on the microstructure and mechanical properties of long ultrafine-grained Ti rods. CP Ti (Grade 2) rods were processed into long, ultrafine-grained (UFG) rods with a dimension of 6.5 mm in diameter and more than 1000 mm long), via equal-channel angular pressing followed by thermo-mechanical treatment. This paper presents the UFG microstructures in the processed rods and evolution of mechanical properties at various stages of the processing. It was established that the formation of homogeneous UFG structure with a grain size about 70 nm enhanced the ultimate strength by 2.5 times in comparison with the initial annealed state, while maintaining a good ductility of 12%.

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Author information

Authors and Affiliations

  1. Institute of Physics of Advanced Materials, Ufa State Aviation Technical University, Ufa, Russia

    I.P. Semenova, R.Z. Valiev & G.H. Sadikova

  2. Scientific Design Technical Office, Iskra, Ufa, Russia

    V.V. Latysh

  3. Los Alamos National Laboratory, Los Alamos, NM, 87545, USA

    Y.T. Zhu & T.C. Lowe

Authors
  1. I.P. Semenova
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  2. V.V. Latysh
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  3. Y.T. Zhu
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  4. T.C. Lowe
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  5. R.Z. Valiev
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  6. G.H. Sadikova
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Editor information

Editors and Affiliations

  1. Los Alamos National Laboratory, NM, USA

    Yuntian T. Zhu

  2. Donetsk Physics & Technology Institute, Ukrainian Academy of Sciences, Donetsk, Ukraine

    Viktor Varyukhin

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© 2006 Springer

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Semenova, I., Latysh, V., Zhu, Y., Lowe, T., Valiev, R., Sadikova, G. (2006). Microstructure and Mechanical Properties of Long, Ultrafine-Grained Ti Rods. In: Zhu, Y.T., Varyukhin, V. (eds) Nanostructured Materials by High-Pressure Severe Plastic Deformation. NATO Science Series, vol 212. Springer, Dordrecht. https://doi.org/10.1007/1-4020-3923-9_32

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