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arXiv · 1110.3122

Formation of Microcrystalline Structure in Large-Scale Ingots of Ti Alloy Ti-6Al-4V during the Complex Loading

V. K. Berdin·M. V. Karavaeva·S. K. Kiseleva
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Abstract

A new method of combined loading was developed for manufacturing large - scale ingot of alpha-beta titanium alloy Ti-6Al-4V with the diameter of the gauge 120 mm and the length 300 mm. The process includes torsion with simultaneous tensile deformation, followed by a single compression and drawing of the ingot in alpha-beta temperature phase fields. Ingot structure and mechanical property evaluation was performed after deformation and post-deformation heating. The ingots had completely homogeneous macrostructure. The ingot microstructures were alpha plus beta with a mean grain size of d=10 m. There has not been any significant difference in microstructure of central and periphery areas in the cross section of the ingot.

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V. K. Berdin, M. V. Karavaeva, S. K. Kiseleva. 2011-10-14. Formation of Microcrystalline Structure in Large-Scale Ingots of Ti Alloy Ti-6Al-4V during the Complex Loading. https://arxiv.org/abs/1110.3122

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