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Journal of Materials Science

, Volume 43, Issue 5, pp 1576–1582 | Cite as

Adiabatic shear band in a Ti-3Al-5Mo-4.5V Titanium alloy

  • B. F. WangEmail author
Article

Abstract

An investigation has been carried out on the adiabatic shear band (ASB) in a Ti-3Al-5Mo-4.5V (TC16) alloy deformed at high strain rate by a split Hopkinson pressure bar (SHPB). ASB in TC16 alloy is a “white” band with a width of about 13 μm. Microhardness of the ASB is larger than that of the matrix. The elongated cell structures of width about 0.2–0.5 μm with thick dislocation exist in the boundary of the shear band. Results suggest that the fine equiaxed grains with α-phase and α″-phase coexist in the shear band. The “white” band is a transformation band. Calculation of the adiabatic temperature rise indicates that the maximum temperature within ASB is about 1,069 K that is above the phase transformation temperature. Finally, formation of an ASB in the TC16 alloy and its microstructure evolution are described.

Keywords

Shear Band True Strain Adiabatic Shear Adiabatic Shear Band TC16 Alloy 

Notes

Acknowledgements

This work was financially supported by the National Nature Science Foundation of China, No. 50471059 and No. 50671121.

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Copyright information

© Springer Science+Business Media, LLC 2007

Authors and Affiliations

  1. 1.School of Materials Science and EngineeringCentral South UniversityChangshaPeople’s Republic of China

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