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  • Progress Article
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Nanostructuring of metals by severe plastic deformation for advanced properties

Nature Materials volume 3, pages 511–516 (2004)Cite this article

Abstract

Despite rosy prospects, the use of nanostructured metals and alloys as advanced structural and functional materials has remained controversial until recently. Only in recent years has a breakthrough been outlined in this area, associated both with development of new routes for the fabrication of bulk nanostructured materials and with investigation of the fundamental mechanisms that lead to the new properties of these materials. Although a deep understanding of these mechanisms is still a topic of basic research, pilot commercial products for medicine and microdevices are coming within reach of the market. This progress article discusses new concepts and principles of using severe plastic deformation (SPD) to fabricate bulk nanostructured metals with advanced properties. Special emphasis is laid on the relationship between microstructural features and properties, as well as the first applications of SPD-produced nanomaterials.

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Figure 1: Principles of severe plastic deformation techniques.
Figure 2: TEM images of ultrafine-grained copper.
Figure 3: Typical images of microstructure of HPT-processed titanium.
Figure 4: Arrangement of grain boundaries in nanostructured titanium.
Figure 5: Strength and ductility of the nanostructured metals compared with coarse-grained metals.
Figure 6: Medical implants made of nanostructured titanium.

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Acknowledgements

This work was supported partly by the Department of Energy NIS-IPP program at Los-Alamos National Laboratory, the Alexander von Humboldt Foundation research award and the Russian Foundation for Basic Research.

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  1. Institute of Physics of Advanced Materials, Ufa State Aviation Technical University, 12 K. Marx str., Ufa, 450000, Russia

    Ruslan Valiev

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Valiev, R. Nanostructuring of metals by severe plastic deformation for advanced properties. Nature Mater 3, 511–516 (2004). https://doi.org/10.1038/nmat1180

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