High-strain-rate superplasticity of nanocrystalline aluminum alloy 1570 |
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| Authors: | V. N. Perevezentsev M. Yu. Shcherban’ M. Yu. Murashkin R. Z. Valiev |
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| Affiliation: | (1) Blagonravov Mechanical Engineering Research Institute (Nizhni Novgorod Branch), Russian Academy of Sciences, Nizhni Novgorod, 603024, Russia;(2) Institute for the Physics of Advanced Materials, Ufa State Aviation Technical University, Ufa, Bashkortostan, 450000, Russia |
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| Abstract: | The structure and mechanical properties of nanocrystalline aluminum alloy 1570 obtained by means of severe plastic deformation have been studied. Being tested in a temperature range from 300 to 400°C, the alloy exhibits high-strain-rate superplasticity. At 400°C, the superplasticity is manifested in a very broad range of strain rates, extending from 5 × 10?3 to 1 s?1. |
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