Microstructure and texture of Ti-6Al-4V alloy deformed by rotary forging at elevated temperatures
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Shan Jiang
Abstract
Ti-6Al-4V alloy cylinder samples were subjected to rotary forging at temperatures ranging from room temperature to 1 473 K. The microstructure and texture were examined by means of electron back-scatter diffraction and X-ray diffraction. The results indicated that the rotary forging could remarkably promote formability at elevated temperatures but not room temperature. For the 1 073 K and 1173 K samples, dynamic recrystallization led to a notable grain refinement effect and produced a typical basal texture. With the further increase of deforming temperature to 1 473 K, dislocation slip contributed the main deformation and the effect of grain refinement was weakened. The martensitic transformation took place during the cooling process of the 1 473 K sample, forming a strip type microstructure and a special texture different from basal texture.
© 2020 by Walter de Gruyter Berlin/Boston
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- CONTENTS
- Original Contributions
- Preparation of silicon boride SiBx (x = 3, 4, 5, 6) powders by chemical oven self-propagating combustion synthesis
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- Mechanical bonding in cold roll-cladding of tri-layered brass/steel/brass composite
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- Notifications
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