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Strength and Fracture Mechanisms of Nanostructured Metallic Materials Under Single Kinds of Loading

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Metal Science and Heat Treatment Aims and scope

The effect of nanostructuring on the strength and fracture mechanism of materials possessing different crystal lattices is analyzed on the basis of available reports and experimental data of the authors. The structure, the hardness, the crack resistance, and the strength and ductility characteristics of steel 10 (bcc lattice), aluminum alloy AK4-1 (fcc lattice), austenitic steel AISI 321 (fcc lattice) are studied after equal channel angular pressing (ECAP) and those of Grade 4 titanium (hcp lattice) are studied after a ECAP-conform process (ECAP-C). It is shown that the ultrafine-grained (UFG) structure produced by the ECAP affects ambiguously the static crack resistance of the materials studied. The type of the crystal lattice influences substantially the temperature behavior of the impact toughness of the studied materials with UFG structure.

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The work has been performed with financial support of Grant 14-08-00301 of the Russian Foundation for Basic Research and partial financial support of the Ministry of Education and Science of the Russian Federation (Resolution 220, Grant of the RF Government, Agreement No. 14.V25.31.0017).

The authors are obliged to R. K. Islamgaliev, I. P. Semenova, G. I. Raab, E. D. Merson, and I. N. Pigaleva for the materials supplied and for the help with the tests.

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Authors and Affiliations

  1. Tolyatti State University, Tolyatti, Russia

    G. V. Klevtsov & N. A. Klevtsova

  2. Institute of Physics of Advanced Materials, Ufa State Aviation Technical University (UGATU), Ufa, Russia

    R. Z. Valiev, N. G. Zaripov & M. V. Karavaeva

  3. Laboratory for Mechanics of Bulk Materials, St. Petersburg State University, St. Petersburg, Russia

    R. Z. Valiev

Authors
  1. G. V. Klevtsov
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  2. R. Z. Valiev
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  3. N. A. Klevtsova
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  4. N. G. Zaripov
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  5. M. V. Karavaeva
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Corresponding author

Correspondence to G. V. Klevtsov.

Additional information

Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 9, pp. 54 – 62, September, 2017.

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Klevtsov, G.V., Valiev, R.Z., Klevtsova, N.A. et al. Strength and Fracture Mechanisms of Nanostructured Metallic Materials Under Single Kinds of Loading. Met Sci Heat Treat 59, 597–605 (2018). https://doi.org/10.1007/s11041-018-0197-2

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  • DOI: https://doi.org/10.1007/s11041-018-0197-2

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