Effect of the Temperature of Megaplastic Deformation in a Bridgman Chamber on the Formation of Structures and the Physicochemical Properties of Titanium (BT1-0) |
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| Authors: | N A Shurygina A O Cheretaeva A M Glezer D L D’yakonov I V Chshetinin R V Sundeev A A Tomchuk L F Muradimova |
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| Institution: | 1.Bardin Central Research Institute of Ferrous Metallurgy,Moscow,Russia;2.National University of Science and Technology MISiS,Moscow,Russia;3.Russian Technological University MIREA,Moscow,Russia;4.Bauman Moscow State Technical University,Moscow,Russia |
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| Abstract: | The formation of regions corresponding to deformational fragments and dynamically recrystallized grains in the structure of the α-phase after torsion under high hydrostatical pressure at room and cryogenic temperatures is determined by means of transmission electron microscopy. Its applicability to describing defective structures of a two-phase mixture model is shown. In optimizing the results from mechanical and corrosion tests, it is found that two rounds of torsion treatment under hydrostatic pressure is sufficient to obtain the best possible properties. |
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