Hot Workability Map for Near-α Titanium Alloy Ti-5.6Al-4.8Sn-2Zr-1Mo-0.35Si-0.7Nd

Ming Man Li; Qui Jian Xun; Shang Zhou Zhang

doi:10.4028/www.scientific.net/AMR.482-484.1453

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 482-484Hot Workability Map for Near-α Titanium Alloy...

Hot Workability Map for Near-α Titanium Alloy Ti-5.6Al-4.8Sn-2Zr-1Mo-0.35Si-0.7Nd

Abstract:

The characterizations of hot working behavior of a near-α titanium alloy using the approach of processing maps are described. Processing map in the α+β region exhibit a domain of the globularization process of lamellar structure and α dynamic recrystallization with a power dissipation efficiency of 0.6-0.9. In the β region the map exhibited a domain centered around 1060°C and 0.1 s^-1 with a power dissipation efficiency of 0.76 where the β phase undergoes dynamic recrystallization. At higher strain rate flow instability occurs in the α+β region due to adiabatic shear bands formation as well as in the β region due to flow inhomogeneity of β phase.

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Advanced Materials Research (Volumes 482-484)

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1453-1456

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https://doi.org/10.4028/www.scientific.net/AMR.482-484.1453

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February 2012

Authors:

Ming Man Li, Qui Jian Xun, Shang Zhou Zhang

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Microstructure, Near-α Titanium Alloy, Processing Map, Recrystallization

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