Microstructure Evolution and Properties of Ti-6Al-4V Alloy Doped with Fe and Mo during Deformation at 800°C

Denis Klimenko; Maxim Ozerov; Santharam Suresh; Nikita Stepanov; Mikhail A. Tikhonovsky; Gennady Salishchev; Sergey Zherebtsov

doi:10.4028/www.scientific.net/DDF.385.144

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Superplastic Behavior of B- and Gd-Containing β-Solidifying TiAl Based Alloy
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Microstructure Evolution and Properties of Ti-6Al-4V Alloy Doped with Fe and Mo during Deformation at 800°C
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Microstructure Evolution and Properties of Ti-6Al-4V Alloy Doped with Fe and Mo during Deformation at 800°C

Abstract:

Microstructure evolution and mechanical behavior of alpha/beta Ti-6Al-4V and Ti-6Al-4V-0.75Mo-0.5Fe titanium alloys during uniaxial compression to a height strain of 70% was studied. The plastic-flow response for both alloys is characterized by successive stages of strain hardening, flow softening, and steady-state flow. During compression the lamellae spheroidized to produce a globular microstructure with higher rate of globularization in Ti-6Al-4V-0.75Mo-0.5Fe. The globularization kinetics in Ti-6Al-4V-0.75Mo-0.5Fe was also found to be much faster than that in Ti-6Al-4V. This difference can be partially associated with different interphase energy due to doping of β-stabilizing elements.

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Defect and Diffusion Forum (Volume 385)

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144-149

DOI:

https://doi.org/10.4028/www.scientific.net/DDF.385.144

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Online since:

July 2018

Authors:

Denis Klimenko, Maxim Ozerov, Santharam Suresh*, Nikita Stepanov, Mikhail A. Tikhonovsky, Gennady Salishchev, Sergey Zherebtsov

Keywords:

Alloying, Compression, Globularization, Mechanical Behavior, Microstructure Evolution, Titanium Alloy

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