Structure and properties of nanomaterials produced by severe plastic deformation

• Autorzy: Pakieła Z. , Garbacz H. , Lewandowska M. , Drużycka-Wiencek A. , Suś-Ryszkowska M. , Zieliński W. , Kurzydłowski K.
• Konferencja: Proceedings of the 2nd Polish-Japanese Workshop on Materials Science "Materials for Sustainable Development in the 21st Century" 12-15 October 2005, Warsaw, Poland
• Języki publikacji: EN

Abstrakty

EN

In recent years, a number of methods for refining the structure of metals by severe plastic deformation (SPD) have been developed. Some of those methods permit grain refinement to a nanometric level. These methods include, among others, high pressure torsion (HPT), equal channel angular pressing (ECAP) and hydrostatic extrusion (HE). The aim of this paper was a more detailed description of these methods and presentation of exemplary applications of these methods for structure refinement and improvement of mechanical properties of chosen materials. The results obtained in the present study show that the microstructures of the materials subjected to SPD studied in this work displayed considerable refinement, characterised by the formation of nanosized grains. Such a refinement resulted in increased tensile strength and hardness of the SPD materials studied in this work. In view of the results obtained on a large number of metals and alloys, a conclusion can be drawn that SPD could become an attractive way of processing materials for variety of applications.

Słowa kluczowe

EN

nanocrystalline metals; severe plastic deformation; mechanical properties

• Wydawca: Institute of Nuclear Chemistry and Technology
• Czasopismo: Nukleonika
• Rocznik: 2006
• Tom: Vol. 51,suppl.1
• Strony: 19--25
• Opis fizyczny: Bibliogr. 38 poz., rys.

Twórcy

autor

Pakieła Z.

autor

Garbacz H.

autor

Lewandowska M.

autor

Drużycka-Wiencek A.

autor

Suś-Ryszkowska M.

autor

Zieliński W.

autor

Kurzydłowski K.

• Faculty of Materials Science and Engineering, Warsaw University of Technology, 141 Wołoska Str., 02-507 Warsaw, Poland, Tel.: [phone], Fax: [phone],

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