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A. V. Stolbovsky, V. V. Popov, E. N. Popova, R. M. Falahutdinov

EFFECT OF SEVERE PLASTIC DEFORMATION BY HIGH-PRESSURE TORSION ON THE STRUCTURE AND PROPERTIES OF COPPER AND TIN BRONZE

DOI: 10.17804/2410-9908.2017.5.013-022

The evolution of the structure of Cu-1Sn tin bronze under severe plastic deformation by high-pressure torsion has been studied and compared with that of commercially pure copper. It is demonstrated that high-pressure torsion of bronze results in much higher strengthening and structure refinement than that of commercially pure copper, as the presence of the doping element in the former promotes the retardation of dynamic recrystallization and relaxation processes. Besides, contrary to copper, which undergoes not only dynamic, but also post-dynamic recrystallization, all the bronze samples studied are stable after the HPT at room temperature, and they do not suffer any changes after unloading and prolonged ageing.

Keywords: nanostructuring, nanostructures, severe plastic deformation, high-pressure torsion, grain boundaries, thermal stability, tin bronze, copper

References:

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Article reference

Effect of Severe Plastic Deformation by High-Pressure Torsion on the Structure and Properties of Copper and Tin Bronze / A. V. Stolbovsky, V. V. Popov, E. N. Popova, R. M. Falahutdinov // Diagnostics, Resource and Mechanics of materials and structures. - 2017. - Iss. 5. - P. 13-22. -
DOI: 10.17804/2410-9908.2017.5.013-022. -
URL: http://eng.dream-journal.org/issues/content/article_144.html
(accessed: 12/02/2024).

 

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